/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/systemc/kundu.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:57:05,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:57:05,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:57:06,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:57:06,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:57:06,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:57:06,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:57:06,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:57:06,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:57:06,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:57:06,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:57:06,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:57:06,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:57:06,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:57:06,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:57:06,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:57:06,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:57:06,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:57:06,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:57:06,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:57:06,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:57:06,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:57:06,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:57:06,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:57:06,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:57:06,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:57:06,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:57:06,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:57:06,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:57:06,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:57:06,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:57:06,133 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:57:06,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:57:06,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:57:06,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:57:06,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:57:06,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:57:06,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:57:06,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:57:06,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:57:06,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:57:06,146 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 16:57:06,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:57:06,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:57:06,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:57:06,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:57:06,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:57:06,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:57:06,203 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:57:06,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:57:06,204 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:57:06,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:57:06,205 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:57:06,205 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:57:06,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:57:06,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:57:06,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:57:06,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:57:06,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:57:06,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:57:06,207 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:57:06,207 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:57:06,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:57:06,207 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:57:06,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:57:06,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:57:06,208 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:57:06,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:57:06,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:57:06,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:57:06,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:57:06,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:57:06,209 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:57:06,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:57:06,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:57:06,210 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:57:06,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:57:06,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:57:06,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:57:06,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:57:06,608 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:57:06,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/kundu.cil.c [2022-10-16 16:57:06,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b427f3c/bbcfa74f617547f2923135ee24043d3c/FLAG2c48895fe [2022-10-16 16:57:07,323 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:57:07,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/kundu.cil.c [2022-10-16 16:57:07,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b427f3c/bbcfa74f617547f2923135ee24043d3c/FLAG2c48895fe [2022-10-16 16:57:07,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4b427f3c/bbcfa74f617547f2923135ee24043d3c [2022-10-16 16:57:07,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:57:07,658 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:57:07,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:57:07,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:57:07,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:57:07,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:57:07" (1/1) ... [2022-10-16 16:57:07,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f5f511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:07, skipping insertion in model container [2022-10-16 16:57:07,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:57:07" (1/1) ... [2022-10-16 16:57:07,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:57:07,710 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:57:07,871 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/kundu.cil.c[635,648] [2022-10-16 16:57:07,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:57:07,958 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:57:07,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/kundu.cil.c[635,648] [2022-10-16 16:57:08,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:57:08,050 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:57:08,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08 WrapperNode [2022-10-16 16:57:08,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:57:08,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:57:08,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:57:08,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:57:08,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,091 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,152 INFO L138 Inliner]: procedures = 34, calls = 40, calls flagged for inlining = 17, calls inlined = 17, statements flattened = 327 [2022-10-16 16:57:08,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:57:08,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:57:08,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:57:08,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:57:08,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:57:08,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:57:08,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:57:08,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:57:08,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (1/1) ... [2022-10-16 16:57:08,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:57:08,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:57:08,261 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 16:57:08,271 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 16:57:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:57:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure write_data [2022-10-16 16:57:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure write_data [2022-10-16 16:57:08,336 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 16:57:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 16:57:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 16:57:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 16:57:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 16:57:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 16:57:08,337 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 16:57:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 16:57:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 16:57:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 16:57:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:57:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 16:57:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 16:57:08,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:57:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:57:08,494 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:57:08,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:57:09,059 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:57:09,070 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:57:09,071 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-16 16:57:09,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:57:09 BoogieIcfgContainer [2022-10-16 16:57:09,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:57:09,076 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:57:09,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:57:09,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:57:09,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:57:07" (1/3) ... [2022-10-16 16:57:09,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595793dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:57:09, skipping insertion in model container [2022-10-16 16:57:09,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:57:08" (2/3) ... [2022-10-16 16:57:09,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595793dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:57:09, skipping insertion in model container [2022-10-16 16:57:09,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:57:09" (3/3) ... [2022-10-16 16:57:09,084 INFO L112 eAbstractionObserver]: Analyzing ICFG kundu.cil.c [2022-10-16 16:57:09,109 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:57:09,109 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-10-16 16:57:09,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:57:09,194 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;@6298c19e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:57:09,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-10-16 16:57:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 132 states have internal predecessors, (184), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:57:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:57:09,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:09,216 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] [2022-10-16 16:57:09,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:09,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash -131312478, now seen corresponding path program 1 times [2022-10-16 16:57:09,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:09,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998314752] [2022-10-16 16:57:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:09,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:09,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:09,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 16:57:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:09,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 16:57:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:09,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:57:09,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:09,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998314752] [2022-10-16 16:57:09,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998314752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:09,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:09,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:57:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167379948] [2022-10-16 16:57:09,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:09,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:57:09,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:09,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:57:09,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:57:09,627 INFO L87 Difference]: Start difference. First operand has 155 states, 117 states have (on average 1.5726495726495726) internal successors, (184), 132 states have internal predecessors, (184), 18 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:09,863 INFO L93 Difference]: Finished difference Result 319 states and 461 transitions. [2022-10-16 16:57:09,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:57:09,869 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-16 16:57:09,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:09,895 INFO L225 Difference]: With dead ends: 319 [2022-10-16 16:57:09,895 INFO L226 Difference]: Without dead ends: 162 [2022-10-16 16:57:09,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 16:57:09,919 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 240 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:09,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 353 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:57:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-10-16 16:57:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 144. [2022-10-16 16:57:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 111 states have (on average 1.4954954954954955) internal successors, (166), 123 states have internal predecessors, (166), 15 states have call successors, (15), 6 states have call predecessors, (15), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-16 16:57:10,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 196 transitions. [2022-10-16 16:57:10,076 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 196 transitions. Word has length 56 [2022-10-16 16:57:10,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:10,076 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 196 transitions. [2022-10-16 16:57:10,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:10,079 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 196 transitions. [2022-10-16 16:57:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:57:10,088 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:10,089 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:57:10,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:57:10,090 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:10,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:10,092 INFO L85 PathProgramCache]: Analyzing trace with hash -115793760, now seen corresponding path program 1 times [2022-10-16 16:57:10,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:10,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082992526] [2022-10-16 16:57:10,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:10,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:10,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:10,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 16:57:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:10,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 16:57:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:10,420 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 16:57:10,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:10,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082992526] [2022-10-16 16:57:10,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082992526] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:10,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:10,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:10,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070720048] [2022-10-16 16:57:10,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:10,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:57:10,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:10,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:57:10,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:57:10,428 INFO L87 Difference]: Start difference. First operand 144 states and 196 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:10,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:10,912 INFO L93 Difference]: Finished difference Result 443 states and 611 transitions. [2022-10-16 16:57:10,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:57:10,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-16 16:57:10,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:10,920 INFO L225 Difference]: With dead ends: 443 [2022-10-16 16:57:10,921 INFO L226 Difference]: Without dead ends: 310 [2022-10-16 16:57:10,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:57:10,925 INFO L413 NwaCegarLoop]: 405 mSDtfsCounter, 415 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:10,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 950 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:57:10,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2022-10-16 16:57:10,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 260. [2022-10-16 16:57:10,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 210 states have (on average 1.480952380952381) internal successors, (311), 223 states have internal predecessors, (311), 26 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-16 16:57:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 363 transitions. [2022-10-16 16:57:10,974 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 363 transitions. Word has length 56 [2022-10-16 16:57:10,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:10,975 INFO L495 AbstractCegarLoop]: Abstraction has 260 states and 363 transitions. [2022-10-16 16:57:10,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 363 transitions. [2022-10-16 16:57:10,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:57:10,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:10,978 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] [2022-10-16 16:57:10,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:57:10,979 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:10,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:10,979 INFO L85 PathProgramCache]: Analyzing trace with hash 284197439, now seen corresponding path program 1 times [2022-10-16 16:57:10,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:10,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820170527] [2022-10-16 16:57:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:10,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 16:57:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 16:57:11,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,282 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 16:57:11,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:11,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820170527] [2022-10-16 16:57:11,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820170527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:11,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:11,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:57:11,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661058239] [2022-10-16 16:57:11,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:11,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:11,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:11,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:11,286 INFO L87 Difference]: Start difference. First operand 260 states and 363 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:11,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:11,594 INFO L93 Difference]: Finished difference Result 581 states and 832 transitions. [2022-10-16 16:57:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:57:11,595 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-16 16:57:11,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:11,602 INFO L225 Difference]: With dead ends: 581 [2022-10-16 16:57:11,602 INFO L226 Difference]: Without dead ends: 332 [2022-10-16 16:57:11,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:57:11,613 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 181 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:11,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 951 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:57:11,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2022-10-16 16:57:11,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 263. [2022-10-16 16:57:11,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 213 states have (on average 1.4694835680751173) internal successors, (313), 226 states have internal predecessors, (313), 26 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-16 16:57:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 365 transitions. [2022-10-16 16:57:11,673 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 365 transitions. Word has length 56 [2022-10-16 16:57:11,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:11,674 INFO L495 AbstractCegarLoop]: Abstraction has 263 states and 365 transitions. [2022-10-16 16:57:11,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 365 transitions. [2022-10-16 16:57:11,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:57:11,676 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:11,676 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] [2022-10-16 16:57:11,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:57:11,677 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash -110169347, now seen corresponding path program 1 times [2022-10-16 16:57:11,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:11,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903343091] [2022-10-16 16:57:11,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:11,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 16:57:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 16:57:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:11,828 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 16:57:11,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:11,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903343091] [2022-10-16 16:57:11,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903343091] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:11,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:11,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:57:11,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986740138] [2022-10-16 16:57:11,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:11,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:11,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:11,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:11,837 INFO L87 Difference]: Start difference. First operand 263 states and 365 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:12,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:12,139 INFO L93 Difference]: Finished difference Result 601 states and 863 transitions. [2022-10-16 16:57:12,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:57:12,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-16 16:57:12,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:12,143 INFO L225 Difference]: With dead ends: 601 [2022-10-16 16:57:12,143 INFO L226 Difference]: Without dead ends: 349 [2022-10-16 16:57:12,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:57:12,174 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 194 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:12,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 857 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:57:12,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2022-10-16 16:57:12,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 269. [2022-10-16 16:57:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 219 states have (on average 1.45662100456621) internal successors, (319), 232 states have internal predecessors, (319), 26 states have call successors, (26), 12 states have call predecessors, (26), 12 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2022-10-16 16:57:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 371 transitions. [2022-10-16 16:57:12,241 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 371 transitions. Word has length 56 [2022-10-16 16:57:12,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:12,247 INFO L495 AbstractCegarLoop]: Abstraction has 269 states and 371 transitions. [2022-10-16 16:57:12,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 371 transitions. [2022-10-16 16:57:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:57:12,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:12,256 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] [2022-10-16 16:57:12,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:57:12,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:12,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:12,257 INFO L85 PathProgramCache]: Analyzing trace with hash -87537093, now seen corresponding path program 1 times [2022-10-16 16:57:12,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:12,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202865955] [2022-10-16 16:57:12,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:12,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:12,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:12,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:12,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 16:57:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:12,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-10-16 16:57:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:12,521 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 16:57:12,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:12,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202865955] [2022-10-16 16:57:12,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202865955] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:12,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:12,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:57:12,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395281434] [2022-10-16 16:57:12,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:12,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:12,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:12,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:12,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:12,525 INFO L87 Difference]: Start difference. First operand 269 states and 371 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:13,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:13,247 INFO L93 Difference]: Finished difference Result 1117 states and 1568 transitions. [2022-10-16 16:57:13,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:57:13,248 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 56 [2022-10-16 16:57:13,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:13,255 INFO L225 Difference]: With dead ends: 1117 [2022-10-16 16:57:13,256 INFO L226 Difference]: Without dead ends: 859 [2022-10-16 16:57:13,258 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:57:13,259 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 724 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:13,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 1196 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:57:13,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2022-10-16 16:57:13,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 494. [2022-10-16 16:57:13,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 410 states have (on average 1.4414634146341463) internal successors, (591), 425 states have internal predecessors, (591), 48 states have call successors, (48), 24 states have call predecessors, (48), 24 states have return successors, (51), 45 states have call predecessors, (51), 48 states have call successors, (51) [2022-10-16 16:57:13,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 690 transitions. [2022-10-16 16:57:13,369 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 690 transitions. Word has length 56 [2022-10-16 16:57:13,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:13,369 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 690 transitions. [2022-10-16 16:57:13,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2022-10-16 16:57:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:57:13,371 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:13,371 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] [2022-10-16 16:57:13,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:57:13,372 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2089849799, now seen corresponding path program 1 times [2022-10-16 16:57:13,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:13,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499964313] [2022-10-16 16:57:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,512 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 16:57:13,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:13,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499964313] [2022-10-16 16:57:13,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499964313] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:13,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:13,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:57:13,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601891650] [2022-10-16 16:57:13,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:13,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:13,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:13,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:13,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:13,516 INFO L87 Difference]: Start difference. First operand 494 states and 690 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:13,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:13,826 INFO L93 Difference]: Finished difference Result 1078 states and 1558 transitions. [2022-10-16 16:57:13,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:57:13,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-10-16 16:57:13,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:13,832 INFO L225 Difference]: With dead ends: 1078 [2022-10-16 16:57:13,833 INFO L226 Difference]: Without dead ends: 595 [2022-10-16 16:57:13,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:57:13,836 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 73 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:13,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 841 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:57:13,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2022-10-16 16:57:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 506. [2022-10-16 16:57:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 422 states have (on average 1.4289099526066351) internal successors, (603), 437 states have internal predecessors, (603), 48 states have call successors, (48), 24 states have call predecessors, (48), 24 states have return successors, (51), 45 states have call predecessors, (51), 48 states have call successors, (51) [2022-10-16 16:57:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 702 transitions. [2022-10-16 16:57:13,921 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 702 transitions. Word has length 58 [2022-10-16 16:57:13,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:13,922 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 702 transitions. [2022-10-16 16:57:13,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 702 transitions. [2022-10-16 16:57:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:57:13,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:13,924 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] [2022-10-16 16:57:13,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:57:13,924 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:13,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:13,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2064568887, now seen corresponding path program 1 times [2022-10-16 16:57:13,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:13,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295785627] [2022-10-16 16:57:13,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:13,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,062 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 16:57:14,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:14,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295785627] [2022-10-16 16:57:14,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295785627] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:14,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:14,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:14,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207018106] [2022-10-16 16:57:14,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:14,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:57:14,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:14,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:57:14,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:57:14,065 INFO L87 Difference]: Start difference. First operand 506 states and 702 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:14,442 INFO L93 Difference]: Finished difference Result 1590 states and 2238 transitions. [2022-10-16 16:57:14,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:57:14,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-10-16 16:57:14,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:14,453 INFO L225 Difference]: With dead ends: 1590 [2022-10-16 16:57:14,453 INFO L226 Difference]: Without dead ends: 1096 [2022-10-16 16:57:14,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:57:14,457 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 281 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:14,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 613 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:57:14,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2022-10-16 16:57:14,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 976. [2022-10-16 16:57:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 827 states have (on average 1.4123337363966142) internal successors, (1168), 843 states have internal predecessors, (1168), 88 states have call successors, (88), 48 states have call predecessors, (88), 49 states have return successors, (109), 85 states have call predecessors, (109), 88 states have call successors, (109) [2022-10-16 16:57:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1365 transitions. [2022-10-16 16:57:14,660 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1365 transitions. Word has length 58 [2022-10-16 16:57:14,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:14,661 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1365 transitions. [2022-10-16 16:57:14,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1365 transitions. [2022-10-16 16:57:14,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:57:14,664 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:14,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:57:14,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:57:14,665 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:14,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:14,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1197065398, now seen corresponding path program 1 times [2022-10-16 16:57:14,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:14,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991587718] [2022-10-16 16:57:14,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:14,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:57:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:14,824 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 16:57:14,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:14,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991587718] [2022-10-16 16:57:14,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991587718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:14,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:14,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:57:14,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385076765] [2022-10-16 16:57:14,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:14,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:57:14,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:14,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:57:14,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:57:14,828 INFO L87 Difference]: Start difference. First operand 976 states and 1365 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:15,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:15,524 INFO L93 Difference]: Finished difference Result 2834 states and 3987 transitions. [2022-10-16 16:57:15,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:57:15,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 60 [2022-10-16 16:57:15,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:15,540 INFO L225 Difference]: With dead ends: 2834 [2022-10-16 16:57:15,540 INFO L226 Difference]: Without dead ends: 2078 [2022-10-16 16:57:15,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 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 16:57:15,547 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 380 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:15,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 509 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:57:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2022-10-16 16:57:15,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1836. [2022-10-16 16:57:15,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1562 states have (on average 1.387964148527529) internal successors, (2168), 1582 states have internal predecessors, (2168), 164 states have call successors, (164), 96 states have call predecessors, (164), 98 states have return successors, (203), 158 states have call predecessors, (203), 164 states have call successors, (203) [2022-10-16 16:57:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2535 transitions. [2022-10-16 16:57:15,788 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2535 transitions. Word has length 60 [2022-10-16 16:57:15,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:15,789 INFO L495 AbstractCegarLoop]: Abstraction has 1836 states and 2535 transitions. [2022-10-16 16:57:15,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2535 transitions. [2022-10-16 16:57:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:57:15,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:15,791 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 16:57:15,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:57:15,791 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:15,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:15,792 INFO L85 PathProgramCache]: Analyzing trace with hash -129023348, now seen corresponding path program 1 times [2022-10-16 16:57:15,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:15,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665069885] [2022-10-16 16:57:15,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:15,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:15,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:15,906 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 16:57:15,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:15,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665069885] [2022-10-16 16:57:15,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665069885] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:15,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:15,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:15,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629727046] [2022-10-16 16:57:15,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:15,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:57:15,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:15,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:57:15,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:57:15,912 INFO L87 Difference]: Start difference. First operand 1836 states and 2535 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:16,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:16,614 INFO L93 Difference]: Finished difference Result 5679 states and 7907 transitions. [2022-10-16 16:57:16,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:57:16,615 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-10-16 16:57:16,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:16,650 INFO L225 Difference]: With dead ends: 5679 [2022-10-16 16:57:16,651 INFO L226 Difference]: Without dead ends: 3855 [2022-10-16 16:57:16,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:57:16,663 INFO L413 NwaCegarLoop]: 261 mSDtfsCounter, 315 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:16,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 629 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:57:16,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2022-10-16 16:57:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3641. [2022-10-16 16:57:17,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 3132 states have (on average 1.370051085568327) internal successors, (4291), 3173 states have internal predecessors, (4291), 297 states have call successors, (297), 178 states have call predecessors, (297), 200 states have return successors, (452), 291 states have call predecessors, (452), 297 states have call successors, (452) [2022-10-16 16:57:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5040 transitions. [2022-10-16 16:57:17,302 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5040 transitions. Word has length 59 [2022-10-16 16:57:17,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:17,303 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5040 transitions. [2022-10-16 16:57:17,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5040 transitions. [2022-10-16 16:57:17,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:57:17,307 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:17,308 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 16:57:17,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:57:17,308 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:17,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:17,309 INFO L85 PathProgramCache]: Analyzing trace with hash 2137357838, now seen corresponding path program 1 times [2022-10-16 16:57:17,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:17,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601890545] [2022-10-16 16:57:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:17,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:17,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:17,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:17,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:17,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:17,374 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 16:57:17,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:17,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601890545] [2022-10-16 16:57:17,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601890545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:17,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:17,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:57:17,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588363877] [2022-10-16 16:57:17,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:17,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:57:17,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:17,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:57:17,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:57:17,377 INFO L87 Difference]: Start difference. First operand 3641 states and 5040 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:18,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:18,028 INFO L93 Difference]: Finished difference Result 7582 states and 10523 transitions. [2022-10-16 16:57:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:57:18,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-10-16 16:57:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:18,060 INFO L225 Difference]: With dead ends: 7582 [2022-10-16 16:57:18,061 INFO L226 Difference]: Without dead ends: 3952 [2022-10-16 16:57:18,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 16:57:18,075 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 250 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:18,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 308 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:57:18,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2022-10-16 16:57:18,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3636. [2022-10-16 16:57:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3636 states, 3130 states have (on average 1.3696485623003194) internal successors, (4287), 3170 states have internal predecessors, (4287), 294 states have call successors, (294), 178 states have call predecessors, (294), 200 states have return successors, (448), 288 states have call predecessors, (448), 294 states have call successors, (448) [2022-10-16 16:57:18,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3636 states to 3636 states and 5029 transitions. [2022-10-16 16:57:18,707 INFO L78 Accepts]: Start accepts. Automaton has 3636 states and 5029 transitions. Word has length 59 [2022-10-16 16:57:18,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:18,708 INFO L495 AbstractCegarLoop]: Abstraction has 3636 states and 5029 transitions. [2022-10-16 16:57:18,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:57:18,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3636 states and 5029 transitions. [2022-10-16 16:57:18,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:57:18,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:18,710 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 16:57:18,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:57:18,710 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:18,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:18,711 INFO L85 PathProgramCache]: Analyzing trace with hash -400616024, now seen corresponding path program 1 times [2022-10-16 16:57:18,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:18,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884806720] [2022-10-16 16:57:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:18,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:18,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:18,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:18,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:18,787 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 16:57:18,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:18,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884806720] [2022-10-16 16:57:18,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884806720] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:18,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:18,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:57:18,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067826157] [2022-10-16 16:57:18,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:18,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:57:18,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:18,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:57:18,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:57:18,790 INFO L87 Difference]: Start difference. First operand 3636 states and 5029 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 16:57:19,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:19,642 INFO L93 Difference]: Finished difference Result 5142 states and 7203 transitions. [2022-10-16 16:57:19,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:57:19,643 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 60 [2022-10-16 16:57:19,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:19,678 INFO L225 Difference]: With dead ends: 5142 [2022-10-16 16:57:19,678 INFO L226 Difference]: Without dead ends: 5138 [2022-10-16 16:57:19,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 16:57:19,683 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 275 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:19,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 467 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:57:19,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5138 states. [2022-10-16 16:57:20,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5138 to 4718. [2022-10-16 16:57:20,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4718 states, 4083 states have (on average 1.3688464364437913) internal successors, (5589), 4130 states have internal predecessors, (5589), 370 states have call successors, (370), 224 states have call predecessors, (370), 253 states have return successors, (578), 364 states have call predecessors, (578), 370 states have call successors, (578) [2022-10-16 16:57:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4718 states to 4718 states and 6537 transitions. [2022-10-16 16:57:20,370 INFO L78 Accepts]: Start accepts. Automaton has 4718 states and 6537 transitions. Word has length 60 [2022-10-16 16:57:20,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:20,370 INFO L495 AbstractCegarLoop]: Abstraction has 4718 states and 6537 transitions. [2022-10-16 16:57:20,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 16:57:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 4718 states and 6537 transitions. [2022-10-16 16:57:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:57:20,372 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:20,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:57:20,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:57:20,373 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:20,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:20,374 INFO L85 PathProgramCache]: Analyzing trace with hash -536873847, now seen corresponding path program 1 times [2022-10-16 16:57:20,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:20,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742021267] [2022-10-16 16:57:20,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:20,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:57:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:20,446 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 16:57:20,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:20,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742021267] [2022-10-16 16:57:20,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742021267] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:20,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:20,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:20,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389308617] [2022-10-16 16:57:20,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:20,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:57:20,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:20,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:57:20,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:57:20,448 INFO L87 Difference]: Start difference. First operand 4718 states and 6537 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:22,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:22,016 INFO L93 Difference]: Finished difference Result 12335 states and 17255 transitions. [2022-10-16 16:57:22,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:57:22,017 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 69 [2022-10-16 16:57:22,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:22,077 INFO L225 Difference]: With dead ends: 12335 [2022-10-16 16:57:22,077 INFO L226 Difference]: Without dead ends: 7628 [2022-10-16 16:57:22,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 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 16:57:22,102 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 385 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:22,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 537 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:57:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7628 states. [2022-10-16 16:57:23,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7628 to 6925. [2022-10-16 16:57:23,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6925 states, 5920 states have (on average 1.322804054054054) internal successors, (7831), 5989 states have internal predecessors, (7831), 588 states have call successors, (588), 358 states have call predecessors, (588), 405 states have return successors, (922), 578 states have call predecessors, (922), 588 states have call successors, (922) [2022-10-16 16:57:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6925 states to 6925 states and 9341 transitions. [2022-10-16 16:57:23,064 INFO L78 Accepts]: Start accepts. Automaton has 6925 states and 9341 transitions. Word has length 69 [2022-10-16 16:57:23,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:23,065 INFO L495 AbstractCegarLoop]: Abstraction has 6925 states and 9341 transitions. [2022-10-16 16:57:23,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:23,065 INFO L276 IsEmpty]: Start isEmpty. Operand 6925 states and 9341 transitions. [2022-10-16 16:57:23,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:57:23,067 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:23,067 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 16:57:23,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:57:23,068 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:23,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:23,068 INFO L85 PathProgramCache]: Analyzing trace with hash 536735977, now seen corresponding path program 1 times [2022-10-16 16:57:23,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:23,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234871629] [2022-10-16 16:57:23,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:23,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:57:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:23,162 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 16:57:23,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:23,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234871629] [2022-10-16 16:57:23,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234871629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:23,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:23,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:23,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999364838] [2022-10-16 16:57:23,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:23,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:23,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:23,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:23,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:23,165 INFO L87 Difference]: Start difference. First operand 6925 states and 9341 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:24,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:24,748 INFO L93 Difference]: Finished difference Result 11707 states and 15829 transitions. [2022-10-16 16:57:24,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:57:24,749 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 70 [2022-10-16 16:57:24,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:24,839 INFO L225 Difference]: With dead ends: 11707 [2022-10-16 16:57:24,839 INFO L226 Difference]: Without dead ends: 11704 [2022-10-16 16:57:24,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:57:24,847 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 783 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:24,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 576 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:57:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11704 states. [2022-10-16 16:57:26,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11704 to 10857. [2022-10-16 16:57:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10857 states, 9292 states have (on average 1.3188764528626775) internal successors, (12255), 9394 states have internal predecessors, (12255), 920 states have call successors, (920), 559 states have call predecessors, (920), 633 states have return successors, (1451), 904 states have call predecessors, (1451), 920 states have call successors, (1451) [2022-10-16 16:57:26,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10857 states to 10857 states and 14626 transitions. [2022-10-16 16:57:26,393 INFO L78 Accepts]: Start accepts. Automaton has 10857 states and 14626 transitions. Word has length 70 [2022-10-16 16:57:26,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:26,394 INFO L495 AbstractCegarLoop]: Abstraction has 10857 states and 14626 transitions. [2022-10-16 16:57:26,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:26,395 INFO L276 IsEmpty]: Start isEmpty. Operand 10857 states and 14626 transitions. [2022-10-16 16:57:26,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 16:57:26,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:26,397 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 16:57:26,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:57:26,397 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:26,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:26,398 INFO L85 PathProgramCache]: Analyzing trace with hash -541053546, now seen corresponding path program 1 times [2022-10-16 16:57:26,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:26,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038470349] [2022-10-16 16:57:26,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:26,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:57:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:26,486 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 16:57:26,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:26,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038470349] [2022-10-16 16:57:26,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038470349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:26,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:26,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:26,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286827587] [2022-10-16 16:57:26,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:26,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:26,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:26,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:26,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:26,488 INFO L87 Difference]: Start difference. First operand 10857 states and 14626 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:28,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:28,660 INFO L93 Difference]: Finished difference Result 24963 states and 33840 transitions. [2022-10-16 16:57:28,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:57:28,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 71 [2022-10-16 16:57:28,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:28,730 INFO L225 Difference]: With dead ends: 24963 [2022-10-16 16:57:28,731 INFO L226 Difference]: Without dead ends: 17122 [2022-10-16 16:57:28,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:57:28,762 INFO L413 NwaCegarLoop]: 332 mSDtfsCounter, 649 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:28,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 834 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:57:28,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17122 states. [2022-10-16 16:57:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17122 to 15855. [2022-10-16 16:57:30,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15855 states, 13550 states have (on average 1.3171217712177121) internal successors, (17847), 13696 states have internal predecessors, (17847), 1356 states have call successors, (1356), 827 states have call predecessors, (1356), 937 states have return successors, (2139), 1332 states have call predecessors, (2139), 1356 states have call successors, (2139) [2022-10-16 16:57:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15855 states to 15855 states and 21342 transitions. [2022-10-16 16:57:30,497 INFO L78 Accepts]: Start accepts. Automaton has 15855 states and 21342 transitions. Word has length 71 [2022-10-16 16:57:30,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:30,498 INFO L495 AbstractCegarLoop]: Abstraction has 15855 states and 21342 transitions. [2022-10-16 16:57:30,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 1 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-10-16 16:57:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 15855 states and 21342 transitions. [2022-10-16 16:57:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:57:30,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:30,503 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:57:30,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:57:30,504 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:30,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:30,504 INFO L85 PathProgramCache]: Analyzing trace with hash -337656240, now seen corresponding path program 1 times [2022-10-16 16:57:30,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:30,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280674487] [2022-10-16 16:57:30,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:30,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:57:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 16:57:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 16:57:30,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:30,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280674487] [2022-10-16 16:57:30,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280674487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:30,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:30,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:30,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924451779] [2022-10-16 16:57:30,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:30,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:57:30,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:30,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:57:30,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:57:30,602 INFO L87 Difference]: Start difference. First operand 15855 states and 21342 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 16:57:33,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:33,642 INFO L93 Difference]: Finished difference Result 19820 states and 26737 transitions. [2022-10-16 16:57:33,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:57:33,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 82 [2022-10-16 16:57:33,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:33,751 INFO L225 Difference]: With dead ends: 19820 [2022-10-16 16:57:33,751 INFO L226 Difference]: Without dead ends: 19817 [2022-10-16 16:57:33,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:57:33,768 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 581 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:33,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 445 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:57:33,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19817 states. [2022-10-16 16:57:35,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19817 to 15554. [2022-10-16 16:57:35,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15554 states, 13250 states have (on average 1.3161509433962264) internal successors, (17439), 13395 states have internal predecessors, (17439), 1356 states have call successors, (1356), 827 states have call predecessors, (1356), 937 states have return successors, (2139), 1332 states have call predecessors, (2139), 1356 states have call successors, (2139) [2022-10-16 16:57:35,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15554 states to 15554 states and 20934 transitions. [2022-10-16 16:57:35,590 INFO L78 Accepts]: Start accepts. Automaton has 15554 states and 20934 transitions. Word has length 82 [2022-10-16 16:57:35,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:35,590 INFO L495 AbstractCegarLoop]: Abstraction has 15554 states and 20934 transitions. [2022-10-16 16:57:35,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-10-16 16:57:35,591 INFO L276 IsEmpty]: Start isEmpty. Operand 15554 states and 20934 transitions. [2022-10-16 16:57:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:57:35,594 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:35,594 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:57:35,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:57:35,595 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:35,595 INFO L85 PathProgramCache]: Analyzing trace with hash -723107616, now seen corresponding path program 1 times [2022-10-16 16:57:35,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:35,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536024175] [2022-10-16 16:57:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:35,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 16:57:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:57:35,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:35,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536024175] [2022-10-16 16:57:35,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536024175] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:35,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:57:35,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:57:35,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834543735] [2022-10-16 16:57:35,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:35,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:57:35,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:35,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:57:35,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:57:35,681 INFO L87 Difference]: Start difference. First operand 15554 states and 20934 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 16:57:38,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:38,797 INFO L93 Difference]: Finished difference Result 41940 states and 57026 transitions. [2022-10-16 16:57:38,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:57:38,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 81 [2022-10-16 16:57:38,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:38,946 INFO L225 Difference]: With dead ends: 41940 [2022-10-16 16:57:38,946 INFO L226 Difference]: Without dead ends: 26398 [2022-10-16 16:57:39,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:57:39,018 INFO L413 NwaCegarLoop]: 344 mSDtfsCounter, 652 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 672 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:39,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [672 Valid, 883 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:57:39,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26398 states. [2022-10-16 16:57:42,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26398 to 24800. [2022-10-16 16:57:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24800 states, 21072 states have (on average 1.3088458618071375) internal successors, (27580), 21357 states have internal predecessors, (27580), 2163 states have call successors, (2163), 1319 states have call predecessors, (2163), 1554 states have return successors, (3982), 2125 states have call predecessors, (3982), 2163 states have call successors, (3982) [2022-10-16 16:57:42,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24800 states to 24800 states and 33725 transitions. [2022-10-16 16:57:42,264 INFO L78 Accepts]: Start accepts. Automaton has 24800 states and 33725 transitions. Word has length 81 [2022-10-16 16:57:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:42,265 INFO L495 AbstractCegarLoop]: Abstraction has 24800 states and 33725 transitions. [2022-10-16 16:57:42,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 3 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 16:57:42,265 INFO L276 IsEmpty]: Start isEmpty. Operand 24800 states and 33725 transitions. [2022-10-16 16:57:42,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:57:42,274 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:42,274 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:57:42,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:57:42,275 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:42,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:42,275 INFO L85 PathProgramCache]: Analyzing trace with hash 966006063, now seen corresponding path program 1 times [2022-10-16 16:57:42,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:42,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039965677] [2022-10-16 16:57:42,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:42,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 16:57:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 16:57:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 16:57:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 16:57:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 16:57:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 16:57:42,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:42,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039965677] [2022-10-16 16:57:42,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039965677] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:57:42,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884733606] [2022-10-16 16:57:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:42,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:57:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:57:42,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:57:42,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:57:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:42,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:57:42,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:57:42,695 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-16 16:57:42,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:57:42,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [884733606] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:42,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:57:42,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2022-10-16 16:57:42,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107483191] [2022-10-16 16:57:42,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:42,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:57:42,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:42,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:57:42,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:57:42,698 INFO L87 Difference]: Start difference. First operand 24800 states and 33725 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 16:57:47,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:57:47,746 INFO L93 Difference]: Finished difference Result 74366 states and 101127 transitions. [2022-10-16 16:57:47,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:57:47,747 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 93 [2022-10-16 16:57:47,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:57:48,116 INFO L225 Difference]: With dead ends: 74366 [2022-10-16 16:57:48,116 INFO L226 Difference]: Without dead ends: 49582 [2022-10-16 16:57:48,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:57:48,183 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 126 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:57:48,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 388 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:57:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49582 states. [2022-10-16 16:57:53,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49582 to 49337. [2022-10-16 16:57:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49337 states, 41899 states have (on average 1.2937301606243585) internal successors, (54206), 42457 states have internal predecessors, (54206), 4319 states have call successors, (4319), 2638 states have call predecessors, (4319), 3108 states have return successors, (7957), 4243 states have call predecessors, (7957), 4319 states have call successors, (7957) [2022-10-16 16:57:54,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49337 states to 49337 states and 66482 transitions. [2022-10-16 16:57:54,157 INFO L78 Accepts]: Start accepts. Automaton has 49337 states and 66482 transitions. Word has length 93 [2022-10-16 16:57:54,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:57:54,157 INFO L495 AbstractCegarLoop]: Abstraction has 49337 states and 66482 transitions. [2022-10-16 16:57:54,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 16:57:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 49337 states and 66482 transitions. [2022-10-16 16:57:54,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:57:54,166 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:57:54,167 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:57:54,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:57:54,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 16:57:54,381 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:57:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:57:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash -118582702, now seen corresponding path program 1 times [2022-10-16 16:57:54,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:57:54,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778988586] [2022-10-16 16:57:54,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:54,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:57:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:57:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:57:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:57:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:57:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:57:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 16:57:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 16:57:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-16 16:57:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 16:57:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 16:57:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-10-16 16:57:54,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:57:54,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778988586] [2022-10-16 16:57:54,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778988586] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:57:54,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953937033] [2022-10-16 16:57:54,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:57:54,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:57:54,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:57:54,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:57:54,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:57:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:57:54,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:57:54,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:57:54,798 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-10-16 16:57:54,798 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:57:54,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953937033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:57:54,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:57:54,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2022-10-16 16:57:54,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369932884] [2022-10-16 16:57:54,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:57:54,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:57:54,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:57:54,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:57:54,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:57:54,800 INFO L87 Difference]: Start difference. First operand 49337 states and 66482 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 16:58:00,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:00,036 INFO L93 Difference]: Finished difference Result 49337 states and 66482 transitions. [2022-10-16 16:58:00,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:00,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 94 [2022-10-16 16:58:00,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:00,267 INFO L225 Difference]: With dead ends: 49337 [2022-10-16 16:58:00,267 INFO L226 Difference]: Without dead ends: 49336 [2022-10-16 16:58:00,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:58:00,297 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 125 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:00,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 188 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49336 states. [2022-10-16 16:58:06,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49336 to 49336. [2022-10-16 16:58:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49336 states, 41899 states have (on average 1.2880975679610491) internal successors, (53970), 42456 states have internal predecessors, (53970), 4319 states have call successors, (4319), 2638 states have call predecessors, (4319), 3108 states have return successors, (7957), 4243 states have call predecessors, (7957), 4319 states have call successors, (7957) [2022-10-16 16:58:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49336 states to 49336 states and 66246 transitions. [2022-10-16 16:58:06,228 INFO L78 Accepts]: Start accepts. Automaton has 49336 states and 66246 transitions. Word has length 94 [2022-10-16 16:58:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:06,229 INFO L495 AbstractCegarLoop]: Abstraction has 49336 states and 66246 transitions. [2022-10-16 16:58:06,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-10-16 16:58:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 49336 states and 66246 transitions. [2022-10-16 16:58:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:58:06,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:06,240 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:06,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 16:58:06,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 16:58:06,456 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:58:06,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:06,457 INFO L85 PathProgramCache]: Analyzing trace with hash 727984858, now seen corresponding path program 1 times [2022-10-16 16:58:06,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:06,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538996179] [2022-10-16 16:58:06,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:06,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:58:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:58:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:58:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:58:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:58:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:58:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 16:58:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 16:58:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 16:58:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:06,589 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 16:58:06,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:06,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538996179] [2022-10-16 16:58:06,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538996179] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:06,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:06,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:58:06,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553648527] [2022-10-16 16:58:06,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:06,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:58:06,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:06,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:58:06,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:58:06,592 INFO L87 Difference]: Start difference. First operand 49336 states and 66246 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 16:58:12,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:12,940 INFO L93 Difference]: Finished difference Result 96235 states and 129140 transitions. [2022-10-16 16:58:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:58:12,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 97 [2022-10-16 16:58:12,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:13,292 INFO L225 Difference]: With dead ends: 96235 [2022-10-16 16:58:13,293 INFO L226 Difference]: Without dead ends: 52647 [2022-10-16 16:58:13,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:58:13,379 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 426 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:13,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 548 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:58:13,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52647 states. [2022-10-16 16:58:18,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52647 to 45366. [2022-10-16 16:58:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45366 states, 38365 states have (on average 1.2832529649420044) internal successors, (49232), 38984 states have internal predecessors, (49232), 4005 states have call successors, (4005), 2448 states have call predecessors, (4005), 2986 states have return successors, (6975), 3935 states have call predecessors, (6975), 4005 states have call successors, (6975) [2022-10-16 16:58:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45366 states to 45366 states and 60212 transitions. [2022-10-16 16:58:19,084 INFO L78 Accepts]: Start accepts. Automaton has 45366 states and 60212 transitions. Word has length 97 [2022-10-16 16:58:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:19,084 INFO L495 AbstractCegarLoop]: Abstraction has 45366 states and 60212 transitions. [2022-10-16 16:58:19,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 16:58:19,085 INFO L276 IsEmpty]: Start isEmpty. Operand 45366 states and 60212 transitions. [2022-10-16 16:58:19,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 16:58:19,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:19,096 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:19,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:58:19,096 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:58:19,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:19,096 INFO L85 PathProgramCache]: Analyzing trace with hash -266708840, now seen corresponding path program 1 times [2022-10-16 16:58:19,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:19,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961878125] [2022-10-16 16:58:19,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:19,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:58:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:58:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:58:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:58:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:58:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:58:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 16:58:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-16 16:58:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 16:58:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:19,166 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 16:58:19,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:19,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961878125] [2022-10-16 16:58:19,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961878125] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:19,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:19,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:58:19,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795463184] [2022-10-16 16:58:19,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:19,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:58:19,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:19,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:58:19,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:19,169 INFO L87 Difference]: Start difference. First operand 45366 states and 60212 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 16:58:25,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:25,042 INFO L93 Difference]: Finished difference Result 54357 states and 72081 transitions. [2022-10-16 16:58:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:58:25,043 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 97 [2022-10-16 16:58:25,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:25,193 INFO L225 Difference]: With dead ends: 54357 [2022-10-16 16:58:25,193 INFO L226 Difference]: Without dead ends: 49186 [2022-10-16 16:58:25,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 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 16:58:25,224 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 319 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:25,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 382 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:25,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49186 states. [2022-10-16 16:58:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49186 to 45362. [2022-10-16 16:58:30,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45362 states, 38364 states have (on average 1.2832342821395057) internal successors, (49230), 38982 states have internal predecessors, (49230), 4002 states have call successors, (4002), 2448 states have call predecessors, (4002), 2986 states have return successors, (6972), 3932 states have call predecessors, (6972), 4002 states have call successors, (6972) [2022-10-16 16:58:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45362 states to 45362 states and 60204 transitions. [2022-10-16 16:58:30,492 INFO L78 Accepts]: Start accepts. Automaton has 45362 states and 60204 transitions. Word has length 97 [2022-10-16 16:58:30,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:30,493 INFO L495 AbstractCegarLoop]: Abstraction has 45362 states and 60204 transitions. [2022-10-16 16:58:30,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 16:58:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 45362 states and 60204 transitions. [2022-10-16 16:58:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 16:58:30,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:30,503 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:30,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:58:30,503 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:58:30,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:30,504 INFO L85 PathProgramCache]: Analyzing trace with hash 79716397, now seen corresponding path program 1 times [2022-10-16 16:58:30,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:30,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961284671] [2022-10-16 16:58:30,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:30,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:58:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:58:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:58:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:58:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:58:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:58:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 16:58:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 16:58:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 16:58:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:58:30,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:30,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961284671] [2022-10-16 16:58:30,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961284671] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:30,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:30,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:58:30,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721523393] [2022-10-16 16:58:30,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:30,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:58:30,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:30,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:58:30,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:58:30,649 INFO L87 Difference]: Start difference. First operand 45362 states and 60204 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-10-16 16:58:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:36,925 INFO L93 Difference]: Finished difference Result 93846 states and 124781 transitions. [2022-10-16 16:58:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:58:36,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 98 [2022-10-16 16:58:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:37,081 INFO L225 Difference]: With dead ends: 93846 [2022-10-16 16:58:37,082 INFO L226 Difference]: Without dead ends: 48496 [2022-10-16 16:58:37,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2022-10-16 16:58:37,158 INFO L413 NwaCegarLoop]: 373 mSDtfsCounter, 1232 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 609 mSolverCounterSat, 220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 1266 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 220 IncrementalHoareTripleChecker+Valid, 609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:37,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1246 Valid, 1266 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [220 Valid, 609 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:58:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48496 states. [2022-10-16 16:58:42,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48496 to 45362. [2022-10-16 16:58:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45362 states, 38364 states have (on average 1.2717651965384213) internal successors, (48790), 38982 states have internal predecessors, (48790), 4002 states have call successors, (4002), 2448 states have call predecessors, (4002), 2986 states have return successors, (6312), 3932 states have call predecessors, (6312), 4002 states have call successors, (6312) [2022-10-16 16:58:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45362 states to 45362 states and 59104 transitions. [2022-10-16 16:58:42,451 INFO L78 Accepts]: Start accepts. Automaton has 45362 states and 59104 transitions. Word has length 98 [2022-10-16 16:58:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:42,451 INFO L495 AbstractCegarLoop]: Abstraction has 45362 states and 59104 transitions. [2022-10-16 16:58:42,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 5 states have internal predecessors, (73), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2022-10-16 16:58:42,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45362 states and 59104 transitions. [2022-10-16 16:58:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 16:58:42,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:42,459 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:42,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:58:42,459 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:58:42,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:42,460 INFO L85 PathProgramCache]: Analyzing trace with hash -621892889, now seen corresponding path program 1 times [2022-10-16 16:58:42,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:42,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233646259] [2022-10-16 16:58:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:42,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:58:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:58:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:58:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:58:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:58:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:58:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 16:58:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-10-16 16:58:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-16 16:58:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,569 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:58:42,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:42,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233646259] [2022-10-16 16:58:42,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233646259] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:42,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:42,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 16:58:42,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452692835] [2022-10-16 16:58:42,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:42,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:58:42,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:42,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:58:42,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:58:42,572 INFO L87 Difference]: Start difference. First operand 45362 states and 59104 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2022-10-16 16:58:48,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:48,750 INFO L93 Difference]: Finished difference Result 93162 states and 121514 transitions. [2022-10-16 16:58:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-10-16 16:58:48,752 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 99 [2022-10-16 16:58:48,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:48,884 INFO L225 Difference]: With dead ends: 93162 [2022-10-16 16:58:48,885 INFO L226 Difference]: Without dead ends: 47812 [2022-10-16 16:58:48,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2022-10-16 16:58:48,960 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1301 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1316 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:48,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1316 Valid, 1253 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:58:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47812 states. [2022-10-16 16:58:54,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47812 to 45362. [2022-10-16 16:58:54,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45362 states, 38364 states have (on average 1.2631633823376083) internal successors, (48460), 38982 states have internal predecessors, (48460), 4002 states have call successors, (4002), 2448 states have call predecessors, (4002), 2986 states have return successors, (5982), 3932 states have call predecessors, (5982), 4002 states have call successors, (5982) [2022-10-16 16:58:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45362 states to 45362 states and 58444 transitions. [2022-10-16 16:58:54,330 INFO L78 Accepts]: Start accepts. Automaton has 45362 states and 58444 transitions. Word has length 99 [2022-10-16 16:58:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:54,331 INFO L495 AbstractCegarLoop]: Abstraction has 45362 states and 58444 transitions. [2022-10-16 16:58:54,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 5 states have internal predecessors, (74), 4 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2022-10-16 16:58:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 45362 states and 58444 transitions. [2022-10-16 16:58:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 16:58:54,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:54,338 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:58:54,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:58:54,338 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:58:54,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:54,339 INFO L85 PathProgramCache]: Analyzing trace with hash -56159527, now seen corresponding path program 1 times [2022-10-16 16:58:54,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:54,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697253005] [2022-10-16 16:58:54,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:54,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:58:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:58:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:58:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:58:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:58:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:58:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 16:58:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 16:58:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:58:54,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:54,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697253005] [2022-10-16 16:58:54,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697253005] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:54,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:54,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:54,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293772228] [2022-10-16 16:58:54,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:54,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:58:54,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:54,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:58:54,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:54,421 INFO L87 Difference]: Start difference. First operand 45362 states and 58444 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 16:58:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:59,988 INFO L93 Difference]: Finished difference Result 49186 states and 63737 transitions. [2022-10-16 16:58:59,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:58:59,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 101 [2022-10-16 16:58:59,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:00,104 INFO L225 Difference]: With dead ends: 49186 [2022-10-16 16:59:00,104 INFO L226 Difference]: Without dead ends: 49183 [2022-10-16 16:59:00,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 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 16:59:00,121 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 300 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:00,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 343 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:00,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49183 states. [2022-10-16 16:59:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49183 to 41437. [2022-10-16 16:59:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41437 states, 35074 states have (on average 1.2670924331413582) internal successors, (44442), 35649 states have internal predecessors, (44442), 3630 states have call successors, (3630), 2220 states have call predecessors, (3630), 2726 states have return successors, (5474), 3568 states have call predecessors, (5474), 3630 states have call successors, (5474) [2022-10-16 16:59:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41437 states to 41437 states and 53546 transitions. [2022-10-16 16:59:04,965 INFO L78 Accepts]: Start accepts. Automaton has 41437 states and 53546 transitions. Word has length 101 [2022-10-16 16:59:04,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:04,965 INFO L495 AbstractCegarLoop]: Abstraction has 41437 states and 53546 transitions. [2022-10-16 16:59:04,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 16:59:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 41437 states and 53546 transitions. [2022-10-16 16:59:04,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:59:04,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:04,978 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:59:04,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:59:04,978 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:59:04,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:04,979 INFO L85 PathProgramCache]: Analyzing trace with hash -593717819, now seen corresponding path program 1 times [2022-10-16 16:59:04,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:04,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725961710] [2022-10-16 16:59:04,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:59:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:59:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:59:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:59:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:59:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-16 16:59:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-10-16 16:59:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-16 16:59:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-10-16 16:59:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:05,070 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-10-16 16:59:05,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:05,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725961710] [2022-10-16 16:59:05,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725961710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:05,070 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:05,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:05,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65903666] [2022-10-16 16:59:05,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:05,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:05,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:05,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:05,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:05,072 INFO L87 Difference]: Start difference. First operand 41437 states and 53546 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 16:59:13,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:13,334 INFO L93 Difference]: Finished difference Result 106657 states and 138783 transitions. [2022-10-16 16:59:13,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:59:13,335 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 121 [2022-10-16 16:59:13,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:13,507 INFO L225 Difference]: With dead ends: 106657 [2022-10-16 16:59:13,507 INFO L226 Difference]: Without dead ends: 68230 [2022-10-16 16:59:13,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 24 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 16:59:13,574 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 392 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:13,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 573 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:13,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68230 states. [2022-10-16 16:59:20,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68230 to 61197. [2022-10-16 16:59:20,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61197 states, 51908 states have (on average 1.2727517916313478) internal successors, (66066), 52791 states have internal predecessors, (66066), 5238 states have call successors, (5238), 3254 states have call predecessors, (5238), 4044 states have return successors, (7942), 5152 states have call predecessors, (7942), 5238 states have call successors, (7942) [2022-10-16 16:59:21,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61197 states to 61197 states and 79246 transitions. [2022-10-16 16:59:21,066 INFO L78 Accepts]: Start accepts. Automaton has 61197 states and 79246 transitions. Word has length 121 [2022-10-16 16:59:21,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:21,067 INFO L495 AbstractCegarLoop]: Abstraction has 61197 states and 79246 transitions. [2022-10-16 16:59:21,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-10-16 16:59:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 61197 states and 79246 transitions. [2022-10-16 16:59:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-16 16:59:21,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:21,290 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:59:21,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:59:21,291 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-10-16 16:59:21,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:21,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1672500670, now seen corresponding path program 1 times [2022-10-16 16:59:21,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:21,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3832606] [2022-10-16 16:59:21,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:21,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 16:59:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 16:59:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 16:59:21,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-16 16:59:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-16 16:59:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 16:59:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 16:59:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-10-16 16:59:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,434 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 16:59:21,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:21,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3832606] [2022-10-16 16:59:21,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3832606] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:21,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204503582] [2022-10-16 16:59:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:21,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:21,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:21,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:21,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process