./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 16:53:35,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 16:53:35,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 16:53:35,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 16:53:35,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 16:53:35,297 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 16:53:35,298 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 16:53:35,306 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 16:53:35,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 16:53:35,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 16:53:35,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 16:53:35,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 16:53:35,310 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 16:53:35,311 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 16:53:35,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 16:53:35,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 16:53:35,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 16:53:35,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 16:53:35,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 16:53:35,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 16:53:35,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 16:53:35,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 16:53:35,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 16:53:35,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 16:53:35,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 16:53:35,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 16:53:35,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 16:53:35,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 16:53:35,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 16:53:35,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 16:53:35,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 16:53:35,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 16:53:35,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 16:53:35,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 16:53:35,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 16:53:35,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 16:53:35,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 16:53:35,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 16:53:35,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 16:53:35,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 16:53:35,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 16:53:35,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-15 16:53:35,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 16:53:35,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 16:53:35,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 16:53:35,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 16:53:35,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 16:53:35,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 16:53:35,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 16:53:35,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 16:53:35,386 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 16:53:35,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 16:53:35,387 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 16:53:35,387 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 16:53:35,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 16:53:35,388 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 16:53:35,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 16:53:35,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 16:53:35,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 16:53:35,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 16:53:35,389 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-15 16:53:35,389 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 16:53:35,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 16:53:35,390 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 16:53:35,390 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 16:53:35,390 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 16:53:35,390 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 16:53:35,390 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 16:53:35,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:53:35,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 16:53:35,391 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 16:53:35,391 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 16:53:35,391 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 16:53:35,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 16:53:35,392 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 16:53:35,392 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 16:53:35,392 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2021-12-15 16:53:35,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 16:53:35,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 16:53:35,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 16:53:35,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 16:53:35,640 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 16:53:35,641 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-12-15 16:53:35,703 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba9f5900/63b1d083baef4b67b626714c9d726084/FLAG4b674d1e7 [2021-12-15 16:53:36,150 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 16:53:36,150 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-12-15 16:53:36,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba9f5900/63b1d083baef4b67b626714c9d726084/FLAG4b674d1e7 [2021-12-15 16:53:36,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba9f5900/63b1d083baef4b67b626714c9d726084 [2021-12-15 16:53:36,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 16:53:36,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 16:53:36,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 16:53:36,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 16:53:36,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 16:53:36,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:36,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@229255fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36, skipping insertion in model container [2021-12-15 16:53:36,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:36,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 16:53:36,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 16:53:36,802 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2021-12-15 16:53:36,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:53:36,817 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 16:53:36,884 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2021-12-15 16:53:36,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:53:36,897 INFO L208 MainTranslator]: Completed translation [2021-12-15 16:53:36,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36 WrapperNode [2021-12-15 16:53:36,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 16:53:36,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 16:53:36,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 16:53:36,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 16:53:36,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:36,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:36,976 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 530 [2021-12-15 16:53:36,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 16:53:36,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 16:53:36,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 16:53:36,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 16:53:36,985 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:36,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 16:53:37,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 16:53:37,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 16:53:37,023 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 16:53:37,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (1/1) ... [2021-12-15 16:53:37,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:53:37,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:37,068 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) [2021-12-15 16:53:37,078 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 [2021-12-15 16:53:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 16:53:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 16:53:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 16:53:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 16:53:37,198 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 16:53:37,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 16:53:37,212 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 16:53:37,652 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-15 16:53:37,653 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-15 16:53:37,653 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 16:53:37,659 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 16:53:37,660 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 16:53:37,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:53:37 BoogieIcfgContainer [2021-12-15 16:53:37,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 16:53:37,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 16:53:37,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 16:53:37,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 16:53:37,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 04:53:36" (1/3) ... [2021-12-15 16:53:37,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f5efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 04:53:37, skipping insertion in model container [2021-12-15 16:53:37,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:53:36" (2/3) ... [2021-12-15 16:53:37,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16f5efaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 04:53:37, skipping insertion in model container [2021-12-15 16:53:37,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:53:37" (3/3) ... [2021-12-15 16:53:37,668 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-12-15 16:53:37,672 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 16:53:37,672 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-12-15 16:53:37,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 16:53:37,717 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 16:53:37,717 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-12-15 16:53:37,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-15 16:53:37,737 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:37,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 16:53:37,738 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:37,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -157109622, now seen corresponding path program 1 times [2021-12-15 16:53:37,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:37,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969324428] [2021-12-15 16:53:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:37,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 16:53:37,982 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:37,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969324428] [2021-12-15 16:53:37,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969324428] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:37,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:37,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:37,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314416454] [2021-12-15 16:53:37,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:37,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:37,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:38,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:38,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,024 INFO L87 Difference]: Start difference. First operand has 153 states, 144 states have (on average 1.75) internal successors, (252), 152 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:38,228 INFO L93 Difference]: Finished difference Result 327 states and 539 transitions. [2021-12-15 16:53:38,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:38,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-15 16:53:38,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:38,238 INFO L225 Difference]: With dead ends: 327 [2021-12-15 16:53:38,238 INFO L226 Difference]: Without dead ends: 159 [2021-12-15 16:53:38,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,245 INFO L933 BasicCegarLoop]: 250 mSDtfsCounter, 44 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:38,246 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 377 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:38,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-12-15 16:53:38,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 156. [2021-12-15 16:53:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 148 states have (on average 1.5472972972972974) internal successors, (229), 155 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 229 transitions. [2021-12-15 16:53:38,294 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 229 transitions. Word has length 17 [2021-12-15 16:53:38,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:38,294 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 229 transitions. [2021-12-15 16:53:38,294 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 229 transitions. [2021-12-15 16:53:38,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-15 16:53:38,297 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:38,297 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 16:53:38,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 16:53:38,298 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:38,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:38,301 INFO L85 PathProgramCache]: Analyzing trace with hash 549963333, now seen corresponding path program 1 times [2021-12-15 16:53:38,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:38,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913598903] [2021-12-15 16:53:38,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:38,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 16:53:38,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:38,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913598903] [2021-12-15 16:53:38,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913598903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:38,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:38,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:38,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635970179] [2021-12-15 16:53:38,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:38,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:38,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:38,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:38,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,366 INFO L87 Difference]: Start difference. First operand 156 states and 229 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:38,400 INFO L93 Difference]: Finished difference Result 317 states and 460 transitions. [2021-12-15 16:53:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:38,401 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-12-15 16:53:38,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:38,403 INFO L225 Difference]: With dead ends: 317 [2021-12-15 16:53:38,404 INFO L226 Difference]: Without dead ends: 169 [2021-12-15 16:53:38,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,406 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 6 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:38,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 387 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 16:53:38,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-12-15 16:53:38,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2021-12-15 16:53:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 161 states have (on average 1.5031055900621118) internal successors, (242), 168 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 242 transitions. [2021-12-15 16:53:38,417 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 242 transitions. Word has length 33 [2021-12-15 16:53:38,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:38,417 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 242 transitions. [2021-12-15 16:53:38,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2021-12-15 16:53:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-15 16:53:38,418 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:38,419 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 16:53:38,419 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 16:53:38,419 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:38,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:38,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1829827011, now seen corresponding path program 1 times [2021-12-15 16:53:38,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:38,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961203916] [2021-12-15 16:53:38,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:38,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 16:53:38,482 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:38,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961203916] [2021-12-15 16:53:38,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961203916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:38,483 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:38,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:38,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657473885] [2021-12-15 16:53:38,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:38,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:38,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:38,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:38,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,486 INFO L87 Difference]: Start difference. First operand 169 states and 242 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:38,651 INFO L93 Difference]: Finished difference Result 374 states and 559 transitions. [2021-12-15 16:53:38,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:38,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2021-12-15 16:53:38,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:38,653 INFO L225 Difference]: With dead ends: 374 [2021-12-15 16:53:38,653 INFO L226 Difference]: Without dead ends: 214 [2021-12-15 16:53:38,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,655 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 91 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:38,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 237 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 16:53:38,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2021-12-15 16:53:38,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 209. [2021-12-15 16:53:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 201 states have (on average 1.4825870646766168) internal successors, (298), 208 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 298 transitions. [2021-12-15 16:53:38,666 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 298 transitions. Word has length 33 [2021-12-15 16:53:38,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:38,667 INFO L470 AbstractCegarLoop]: Abstraction has 209 states and 298 transitions. [2021-12-15 16:53:38,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 298 transitions. [2021-12-15 16:53:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-12-15 16:53:38,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:38,668 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 16:53:38,668 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 16:53:38,669 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:38,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:38,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1799011315, now seen corresponding path program 1 times [2021-12-15 16:53:38,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:38,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498474426] [2021-12-15 16:53:38,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:38,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:38,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 16:53:38,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:38,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498474426] [2021-12-15 16:53:38,718 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498474426] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:38,718 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:38,718 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:38,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177367048] [2021-12-15 16:53:38,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:38,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:38,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:38,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:38,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,720 INFO L87 Difference]: Start difference. First operand 209 states and 298 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:38,907 INFO L93 Difference]: Finished difference Result 472 states and 698 transitions. [2021-12-15 16:53:38,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:38,908 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-12-15 16:53:38,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:38,911 INFO L225 Difference]: With dead ends: 472 [2021-12-15 16:53:38,911 INFO L226 Difference]: Without dead ends: 274 [2021-12-15 16:53:38,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,922 INFO L933 BasicCegarLoop]: 146 mSDtfsCounter, 141 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:38,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 192 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 16:53:38,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2021-12-15 16:53:38,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 261. [2021-12-15 16:53:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 253 states have (on average 1.4743083003952568) internal successors, (373), 260 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 373 transitions. [2021-12-15 16:53:38,947 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 373 transitions. Word has length 35 [2021-12-15 16:53:38,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:38,948 INFO L470 AbstractCegarLoop]: Abstraction has 261 states and 373 transitions. [2021-12-15 16:53:38,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 373 transitions. [2021-12-15 16:53:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-15 16:53:38,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:38,949 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-12-15 16:53:38,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 16:53:38,950 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:38,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:38,950 INFO L85 PathProgramCache]: Analyzing trace with hash 403974396, now seen corresponding path program 1 times [2021-12-15 16:53:38,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:38,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25618903] [2021-12-15 16:53:38,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:38,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:38,996 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 16:53:38,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:38,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25618903] [2021-12-15 16:53:38,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25618903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:38,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:38,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:38,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267471637] [2021-12-15 16:53:38,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:38,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:38,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:38,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:38,999 INFO L87 Difference]: Start difference. First operand 261 states and 373 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:39,153 INFO L93 Difference]: Finished difference Result 549 states and 799 transitions. [2021-12-15 16:53:39,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:39,154 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-12-15 16:53:39,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:39,155 INFO L225 Difference]: With dead ends: 549 [2021-12-15 16:53:39,155 INFO L226 Difference]: Without dead ends: 306 [2021-12-15 16:53:39,156 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:39,157 INFO L933 BasicCegarLoop]: 133 mSDtfsCounter, 161 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:39,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 165 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:39,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2021-12-15 16:53:39,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 301. [2021-12-15 16:53:39,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 293 states have (on average 1.4880546075085324) internal successors, (436), 300 states have internal predecessors, (436), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 436 transitions. [2021-12-15 16:53:39,167 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 436 transitions. Word has length 54 [2021-12-15 16:53:39,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:39,167 INFO L470 AbstractCegarLoop]: Abstraction has 301 states and 436 transitions. [2021-12-15 16:53:39,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,168 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 436 transitions. [2021-12-15 16:53:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-15 16:53:39,170 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:39,170 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:39,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 16:53:39,170 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:39,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:39,171 INFO L85 PathProgramCache]: Analyzing trace with hash 306197706, now seen corresponding path program 1 times [2021-12-15 16:53:39,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:39,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998788168] [2021-12-15 16:53:39,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:39,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:39,188 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 16:53:39,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [835763171] [2021-12-15 16:53:39,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:39,188 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:39,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:39,190 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) [2021-12-15 16:53:39,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 16:53:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:39,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 16:53:39,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:39,462 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 16:53:39,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 16:53:39,462 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:39,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998788168] [2021-12-15 16:53:39,462 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 16:53:39,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835763171] [2021-12-15 16:53:39,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835763171] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:39,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:39,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:39,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398206638] [2021-12-15 16:53:39,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:39,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:39,464 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:39,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:39,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:39,464 INFO L87 Difference]: Start difference. First operand 301 states and 436 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:39,511 INFO L93 Difference]: Finished difference Result 853 states and 1250 transitions. [2021-12-15 16:53:39,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:39,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2021-12-15 16:53:39,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:39,525 INFO L225 Difference]: With dead ends: 853 [2021-12-15 16:53:39,525 INFO L226 Difference]: Without dead ends: 573 [2021-12-15 16:53:39,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:39,526 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 155 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:39,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 380 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 16:53:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2021-12-15 16:53:39,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 569. [2021-12-15 16:53:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 561 states have (on average 1.4937611408199643) internal successors, (838), 568 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 838 transitions. [2021-12-15 16:53:39,542 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 838 transitions. Word has length 77 [2021-12-15 16:53:39,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:39,543 INFO L470 AbstractCegarLoop]: Abstraction has 569 states and 838 transitions. [2021-12-15 16:53:39,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,543 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 838 transitions. [2021-12-15 16:53:39,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-15 16:53:39,545 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:39,545 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:39,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-15 16:53:39,755 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-15 16:53:39,756 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:39,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:39,757 INFO L85 PathProgramCache]: Analyzing trace with hash -2066455123, now seen corresponding path program 1 times [2021-12-15 16:53:39,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:39,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334755531] [2021-12-15 16:53:39,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:39,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:39,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 16:53:39,803 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:39,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334755531] [2021-12-15 16:53:39,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334755531] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:39,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:39,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:39,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570111036] [2021-12-15 16:53:39,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:39,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:39,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:39,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:39,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:39,806 INFO L87 Difference]: Start difference. First operand 569 states and 838 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:39,960 INFO L93 Difference]: Finished difference Result 1225 states and 1827 transitions. [2021-12-15 16:53:39,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:39,960 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-12-15 16:53:39,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:39,964 INFO L225 Difference]: With dead ends: 1225 [2021-12-15 16:53:39,964 INFO L226 Difference]: Without dead ends: 677 [2021-12-15 16:53:39,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:39,965 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 53 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:39,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 289 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:39,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2021-12-15 16:53:39,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 665. [2021-12-15 16:53:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 657 states have (on average 1.4063926940639269) internal successors, (924), 664 states have internal predecessors, (924), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 924 transitions. [2021-12-15 16:53:39,982 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 924 transitions. Word has length 82 [2021-12-15 16:53:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:39,982 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 924 transitions. [2021-12-15 16:53:39,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 924 transitions. [2021-12-15 16:53:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-15 16:53:39,984 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:39,984 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:39,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 16:53:39,985 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:39,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:39,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1331118895, now seen corresponding path program 1 times [2021-12-15 16:53:39,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:39,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310342466] [2021-12-15 16:53:39,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:39,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 16:53:40,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:40,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310342466] [2021-12-15 16:53:40,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310342466] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:40,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:40,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:40,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459913495] [2021-12-15 16:53:40,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:40,023 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:40,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:40,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:40,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,024 INFO L87 Difference]: Start difference. First operand 665 states and 924 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:40,135 INFO L93 Difference]: Finished difference Result 1361 states and 1893 transitions. [2021-12-15 16:53:40,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:40,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2021-12-15 16:53:40,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:40,138 INFO L225 Difference]: With dead ends: 1361 [2021-12-15 16:53:40,138 INFO L226 Difference]: Without dead ends: 717 [2021-12-15 16:53:40,139 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,140 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 13 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:40,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 319 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:40,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2021-12-15 16:53:40,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 711. [2021-12-15 16:53:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 703 states have (on average 1.3940256045519204) internal successors, (980), 710 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 980 transitions. [2021-12-15 16:53:40,155 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 980 transitions. Word has length 82 [2021-12-15 16:53:40,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:40,156 INFO L470 AbstractCegarLoop]: Abstraction has 711 states and 980 transitions. [2021-12-15 16:53:40,156 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 980 transitions. [2021-12-15 16:53:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-15 16:53:40,157 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:40,157 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:40,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 16:53:40,157 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:40,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash -970582448, now seen corresponding path program 1 times [2021-12-15 16:53:40,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:40,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526656555] [2021-12-15 16:53:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:40,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:40,201 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 16:53:40,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:40,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526656555] [2021-12-15 16:53:40,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526656555] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:40,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:40,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:40,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313617697] [2021-12-15 16:53:40,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:40,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:40,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:40,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:40,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,203 INFO L87 Difference]: Start difference. First operand 711 states and 980 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:40,235 INFO L93 Difference]: Finished difference Result 1703 states and 2359 transitions. [2021-12-15 16:53:40,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:40,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-12-15 16:53:40,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:40,240 INFO L225 Difference]: With dead ends: 1703 [2021-12-15 16:53:40,240 INFO L226 Difference]: Without dead ends: 1013 [2021-12-15 16:53:40,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,241 INFO L933 BasicCegarLoop]: 268 mSDtfsCounter, 139 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:40,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 460 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 16:53:40,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2021-12-15 16:53:40,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1009. [2021-12-15 16:53:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1009 states, 1001 states have (on average 1.3996003996003996) internal successors, (1401), 1008 states have internal predecessors, (1401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 1009 states and 1401 transitions. [2021-12-15 16:53:40,274 INFO L78 Accepts]: Start accepts. Automaton has 1009 states and 1401 transitions. Word has length 94 [2021-12-15 16:53:40,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:40,275 INFO L470 AbstractCegarLoop]: Abstraction has 1009 states and 1401 transitions. [2021-12-15 16:53:40,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1401 transitions. [2021-12-15 16:53:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-15 16:53:40,276 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:40,276 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:40,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 16:53:40,277 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:40,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:40,277 INFO L85 PathProgramCache]: Analyzing trace with hash 50485906, now seen corresponding path program 1 times [2021-12-15 16:53:40,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:40,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831483025] [2021-12-15 16:53:40,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:40,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-15 16:53:40,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:40,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831483025] [2021-12-15 16:53:40,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831483025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:40,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:40,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:40,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085608423] [2021-12-15 16:53:40,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:40,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:40,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:40,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:40,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,314 INFO L87 Difference]: Start difference. First operand 1009 states and 1401 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:40,474 INFO L93 Difference]: Finished difference Result 2017 states and 2803 transitions. [2021-12-15 16:53:40,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:40,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-12-15 16:53:40,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:40,478 INFO L225 Difference]: With dead ends: 2017 [2021-12-15 16:53:40,478 INFO L226 Difference]: Without dead ends: 1027 [2021-12-15 16:53:40,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,480 INFO L933 BasicCegarLoop]: 131 mSDtfsCounter, 166 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:40,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 158 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2021-12-15 16:53:40,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1015. [2021-12-15 16:53:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 1007 states have (on average 1.3952333664349552) internal successors, (1405), 1014 states have internal predecessors, (1405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1405 transitions. [2021-12-15 16:53:40,502 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1405 transitions. Word has length 94 [2021-12-15 16:53:40,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:40,503 INFO L470 AbstractCegarLoop]: Abstraction has 1015 states and 1405 transitions. [2021-12-15 16:53:40,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1405 transitions. [2021-12-15 16:53:40,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-15 16:53:40,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:40,504 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-12-15 16:53:40,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 16:53:40,505 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:40,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:40,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1111608577, now seen corresponding path program 1 times [2021-12-15 16:53:40,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:40,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614296449] [2021-12-15 16:53:40,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:40,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:40,538 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-15 16:53:40,538 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:40,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614296449] [2021-12-15 16:53:40,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614296449] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:40,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:40,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:40,539 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896075307] [2021-12-15 16:53:40,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:40,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:40,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:40,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:40,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,540 INFO L87 Difference]: Start difference. First operand 1015 states and 1405 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:40,661 INFO L93 Difference]: Finished difference Result 2120 states and 2950 transitions. [2021-12-15 16:53:40,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:40,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-12-15 16:53:40,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:40,665 INFO L225 Difference]: With dead ends: 2120 [2021-12-15 16:53:40,666 INFO L226 Difference]: Without dead ends: 1126 [2021-12-15 16:53:40,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,667 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 29 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:40,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 318 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:40,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2021-12-15 16:53:40,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 1090. [2021-12-15 16:53:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1082 states have (on average 1.3817005545286507) internal successors, (1495), 1089 states have internal predecessors, (1495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1495 transitions. [2021-12-15 16:53:40,703 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1495 transitions. Word has length 102 [2021-12-15 16:53:40,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:40,704 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1495 transitions. [2021-12-15 16:53:40,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1495 transitions. [2021-12-15 16:53:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-15 16:53:40,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:40,708 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-12-15 16:53:40,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 16:53:40,709 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1438093229, now seen corresponding path program 1 times [2021-12-15 16:53:40,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:40,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695951733] [2021-12-15 16:53:40,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:40,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:40,758 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2021-12-15 16:53:40,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:40,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695951733] [2021-12-15 16:53:40,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695951733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:40,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:40,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:40,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847297691] [2021-12-15 16:53:40,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:40,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:40,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:40,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:40,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,761 INFO L87 Difference]: Start difference. First operand 1090 states and 1495 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:40,868 INFO L93 Difference]: Finished difference Result 2261 states and 3118 transitions. [2021-12-15 16:53:40,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:40,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-15 16:53:40,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:40,873 INFO L225 Difference]: With dead ends: 2261 [2021-12-15 16:53:40,873 INFO L226 Difference]: Without dead ends: 1192 [2021-12-15 16:53:40,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,875 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 18 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:40,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 318 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:40,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2021-12-15 16:53:40,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1171. [2021-12-15 16:53:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1171 states, 1163 states have (on average 1.3680137575236457) internal successors, (1591), 1170 states have internal predecessors, (1591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 1171 states and 1591 transitions. [2021-12-15 16:53:40,904 INFO L78 Accepts]: Start accepts. Automaton has 1171 states and 1591 transitions. Word has length 128 [2021-12-15 16:53:40,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:40,904 INFO L470 AbstractCegarLoop]: Abstraction has 1171 states and 1591 transitions. [2021-12-15 16:53:40,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1591 transitions. [2021-12-15 16:53:40,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-12-15 16:53:40,906 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:40,906 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-12-15 16:53:40,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 16:53:40,906 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:40,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:40,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1152388926, now seen corresponding path program 1 times [2021-12-15 16:53:40,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:40,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781049447] [2021-12-15 16:53:40,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:40,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:40,945 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:40,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:40,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781049447] [2021-12-15 16:53:40,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781049447] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:40,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:40,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:40,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402271688] [2021-12-15 16:53:40,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:40,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:40,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:40,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:40,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:40,948 INFO L87 Difference]: Start difference. First operand 1171 states and 1591 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:41,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:41,086 INFO L93 Difference]: Finished difference Result 2417 states and 3295 transitions. [2021-12-15 16:53:41,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:41,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 129 [2021-12-15 16:53:41,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:41,091 INFO L225 Difference]: With dead ends: 2417 [2021-12-15 16:53:41,091 INFO L226 Difference]: Without dead ends: 1267 [2021-12-15 16:53:41,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:41,093 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 167 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:41,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 167 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:41,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2021-12-15 16:53:41,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1213. [2021-12-15 16:53:41,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1213 states, 1205 states have (on average 1.3676348547717843) internal successors, (1648), 1212 states have internal predecessors, (1648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1648 transitions. [2021-12-15 16:53:41,131 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1648 transitions. Word has length 129 [2021-12-15 16:53:41,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:41,132 INFO L470 AbstractCegarLoop]: Abstraction has 1213 states and 1648 transitions. [2021-12-15 16:53:41,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:41,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1648 transitions. [2021-12-15 16:53:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-12-15 16:53:41,134 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:41,134 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 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] [2021-12-15 16:53:41,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 16:53:41,134 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:41,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:41,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1515805178, now seen corresponding path program 1 times [2021-12-15 16:53:41,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:41,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077248583] [2021-12-15 16:53:41,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:41,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:41,173 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:41,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:41,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077248583] [2021-12-15 16:53:41,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077248583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:41,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:41,175 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:41,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094166679] [2021-12-15 16:53:41,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:41,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:41,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:41,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:41,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:41,177 INFO L87 Difference]: Start difference. First operand 1213 states and 1648 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:41,293 INFO L93 Difference]: Finished difference Result 2501 states and 3403 transitions. [2021-12-15 16:53:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:41,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2021-12-15 16:53:41,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:41,298 INFO L225 Difference]: With dead ends: 2501 [2021-12-15 16:53:41,298 INFO L226 Difference]: Without dead ends: 1309 [2021-12-15 16:53:41,300 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:41,301 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 41 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:41,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 322 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:41,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2021-12-15 16:53:41,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1276. [2021-12-15 16:53:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1276 states, 1268 states have (on average 1.361198738170347) internal successors, (1726), 1275 states have internal predecessors, (1726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:41,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1276 states to 1276 states and 1726 transitions. [2021-12-15 16:53:41,326 INFO L78 Accepts]: Start accepts. Automaton has 1276 states and 1726 transitions. Word has length 142 [2021-12-15 16:53:41,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:41,326 INFO L470 AbstractCegarLoop]: Abstraction has 1276 states and 1726 transitions. [2021-12-15 16:53:41,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1726 transitions. [2021-12-15 16:53:41,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-12-15 16:53:41,328 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:41,329 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 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] [2021-12-15 16:53:41,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 16:53:41,329 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:41,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:41,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1730809671, now seen corresponding path program 1 times [2021-12-15 16:53:41,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:41,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889271129] [2021-12-15 16:53:41,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:41,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:41,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:41,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889271129] [2021-12-15 16:53:41,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889271129] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 16:53:41,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468967248] [2021-12-15 16:53:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:41,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:41,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:41,367 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) [2021-12-15 16:53:41,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 16:53:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:41,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 16:53:41,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:41,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 16:53:41,976 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:41,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468967248] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 16:53:41,977 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 16:53:41,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-15 16:53:41,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479284479] [2021-12-15 16:53:41,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 16:53:41,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 16:53:41,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:41,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 16:53:41,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 16:53:41,978 INFO L87 Difference]: Start difference. First operand 1276 states and 1726 transitions. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:42,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:42,553 INFO L93 Difference]: Finished difference Result 5319 states and 7283 transitions. [2021-12-15 16:53:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-15 16:53:42,554 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 155 [2021-12-15 16:53:42,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:42,569 INFO L225 Difference]: With dead ends: 5319 [2021-12-15 16:53:42,569 INFO L226 Difference]: Without dead ends: 3959 [2021-12-15 16:53:42,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-15 16:53:42,575 INFO L933 BasicCegarLoop]: 243 mSDtfsCounter, 723 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:42,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [723 Valid, 594 Invalid, 711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 16:53:42,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3959 states. [2021-12-15 16:53:42,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3959 to 3381. [2021-12-15 16:53:42,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3373 states have (on average 1.3937147939519716) internal successors, (4701), 3380 states have internal predecessors, (4701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4701 transitions. [2021-12-15 16:53:42,670 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4701 transitions. Word has length 155 [2021-12-15 16:53:42,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:42,670 INFO L470 AbstractCegarLoop]: Abstraction has 3381 states and 4701 transitions. [2021-12-15 16:53:42,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:42,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4701 transitions. [2021-12-15 16:53:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-15 16:53:42,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:42,673 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 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] [2021-12-15 16:53:42,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:42,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-15 16:53:42,888 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:42,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash -481927805, now seen corresponding path program 1 times [2021-12-15 16:53:42,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:42,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988597163] [2021-12-15 16:53:42,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:42,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:42,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:42,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988597163] [2021-12-15 16:53:42,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988597163] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 16:53:42,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033056470] [2021-12-15 16:53:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:42,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:42,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:42,942 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) [2021-12-15 16:53:42,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 16:53:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:43,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 16:53:43,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:43,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 16:53:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-12-15 16:53:43,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033056470] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 16:53:43,513 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 16:53:43,513 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-15 16:53:43,514 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507493380] [2021-12-15 16:53:43,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 16:53:43,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 16:53:43,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:43,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 16:53:43,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 16:53:43,516 INFO L87 Difference]: Start difference. First operand 3381 states and 4701 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:44,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:44,156 INFO L93 Difference]: Finished difference Result 9679 states and 13227 transitions. [2021-12-15 16:53:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-15 16:53:44,158 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 157 [2021-12-15 16:53:44,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:44,179 INFO L225 Difference]: With dead ends: 9679 [2021-12-15 16:53:44,180 INFO L226 Difference]: Without dead ends: 6319 [2021-12-15 16:53:44,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-15 16:53:44,187 INFO L933 BasicCegarLoop]: 343 mSDtfsCounter, 552 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 709 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:44,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [552 Valid, 1027 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 709 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-15 16:53:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6319 states. [2021-12-15 16:53:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6319 to 5402. [2021-12-15 16:53:44,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 5394 states have (on average 1.3474230626622172) internal successors, (7268), 5401 states have internal predecessors, (7268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:44,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 7268 transitions. [2021-12-15 16:53:44,355 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 7268 transitions. Word has length 157 [2021-12-15 16:53:44,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:44,355 INFO L470 AbstractCegarLoop]: Abstraction has 5402 states and 7268 transitions. [2021-12-15 16:53:44,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 7268 transitions. [2021-12-15 16:53:44,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-15 16:53:44,358 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:44,359 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:44,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-15 16:53:44,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:44,574 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:44,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:44,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1887802310, now seen corresponding path program 1 times [2021-12-15 16:53:44,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:44,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530132023] [2021-12-15 16:53:44,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:44,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:44,609 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-15 16:53:44,609 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:44,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530132023] [2021-12-15 16:53:44,609 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530132023] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:44,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:44,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:44,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667921321] [2021-12-15 16:53:44,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:44,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:44,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:44,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:44,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:44,611 INFO L87 Difference]: Start difference. First operand 5402 states and 7268 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:44,791 INFO L93 Difference]: Finished difference Result 14084 states and 19006 transitions. [2021-12-15 16:53:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:44,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 166 [2021-12-15 16:53:44,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:44,832 INFO L225 Difference]: With dead ends: 14084 [2021-12-15 16:53:44,832 INFO L226 Difference]: Without dead ends: 8703 [2021-12-15 16:53:44,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:44,840 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 142 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:44,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 545 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 16:53:44,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8703 states. [2021-12-15 16:53:45,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8703 to 8011. [2021-12-15 16:53:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8011 states, 8003 states have (on average 1.3572410346120205) internal successors, (10862), 8010 states have internal predecessors, (10862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:45,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8011 states to 8011 states and 10862 transitions. [2021-12-15 16:53:45,082 INFO L78 Accepts]: Start accepts. Automaton has 8011 states and 10862 transitions. Word has length 166 [2021-12-15 16:53:45,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:45,083 INFO L470 AbstractCegarLoop]: Abstraction has 8011 states and 10862 transitions. [2021-12-15 16:53:45,083 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:45,083 INFO L276 IsEmpty]: Start isEmpty. Operand 8011 states and 10862 transitions. [2021-12-15 16:53:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-15 16:53:45,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:45,086 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 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] [2021-12-15 16:53:45,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-15 16:53:45,088 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:45,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:45,089 INFO L85 PathProgramCache]: Analyzing trace with hash -2093058381, now seen corresponding path program 1 times [2021-12-15 16:53:45,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:45,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379460347] [2021-12-15 16:53:45,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:45,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-12-15 16:53:45,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:45,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379460347] [2021-12-15 16:53:45,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379460347] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:45,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:45,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:45,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792061317] [2021-12-15 16:53:45,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:45,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:45,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:45,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:45,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:45,122 INFO L87 Difference]: Start difference. First operand 8011 states and 10862 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:45,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:45,348 INFO L93 Difference]: Finished difference Result 15968 states and 21645 transitions. [2021-12-15 16:53:45,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:45,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2021-12-15 16:53:45,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:45,362 INFO L225 Difference]: With dead ends: 15968 [2021-12-15 16:53:45,362 INFO L226 Difference]: Without dead ends: 7978 [2021-12-15 16:53:45,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:45,371 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:45,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 318 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:45,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2021-12-15 16:53:45,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 5722. [2021-12-15 16:53:45,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5722 states, 5714 states have (on average 1.3538676933846692) internal successors, (7736), 5721 states have internal predecessors, (7736), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:45,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 7736 transitions. [2021-12-15 16:53:45,536 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 7736 transitions. Word has length 168 [2021-12-15 16:53:45,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:45,536 INFO L470 AbstractCegarLoop]: Abstraction has 5722 states and 7736 transitions. [2021-12-15 16:53:45,536 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:45,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 7736 transitions. [2021-12-15 16:53:45,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-15 16:53:45,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:45,539 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:45,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-15 16:53:45,540 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:45,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:45,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1582016052, now seen corresponding path program 1 times [2021-12-15 16:53:45,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:45,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745860451] [2021-12-15 16:53:45,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:45,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:45,552 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 16:53:45,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [237846749] [2021-12-15 16:53:45,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:45,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:45,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:45,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 16:53:45,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 16:53:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:45,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 16:53:45,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-15 16:53:45,967 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 16:53:45,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:45,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745860451] [2021-12-15 16:53:45,967 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 16:53:45,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237846749] [2021-12-15 16:53:45,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237846749] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:45,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:45,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:45,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335274332] [2021-12-15 16:53:45,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:45,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 16:53:45,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:45,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 16:53:45,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 16:53:45,970 INFO L87 Difference]: Start difference. First operand 5722 states and 7736 transitions. Second operand has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:46,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:46,213 INFO L93 Difference]: Finished difference Result 6173 states and 8269 transitions. [2021-12-15 16:53:46,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 16:53:46,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2021-12-15 16:53:46,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:46,227 INFO L225 Difference]: With dead ends: 6173 [2021-12-15 16:53:46,227 INFO L226 Difference]: Without dead ends: 6172 [2021-12-15 16:53:46,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 16:53:46,230 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 106 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:46,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 641 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 16:53:46,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6172 states. [2021-12-15 16:53:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6172 to 5725. [2021-12-15 16:53:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5725 states, 5717 states have (on average 1.353856917963967) internal successors, (7740), 5724 states have internal predecessors, (7740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:46,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5725 states to 5725 states and 7740 transitions. [2021-12-15 16:53:46,379 INFO L78 Accepts]: Start accepts. Automaton has 5725 states and 7740 transitions. Word has length 187 [2021-12-15 16:53:46,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:46,379 INFO L470 AbstractCegarLoop]: Abstraction has 5725 states and 7740 transitions. [2021-12-15 16:53:46,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.333333333333336) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 5725 states and 7740 transitions. [2021-12-15 16:53:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-15 16:53:46,382 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:46,383 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:46,409 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:46,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:46,608 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:46,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:46,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1804473394, now seen corresponding path program 1 times [2021-12-15 16:53:46,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:46,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513960405] [2021-12-15 16:53:46,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:46,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:46,620 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 16:53:46,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636205824] [2021-12-15 16:53:46,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:46,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:46,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:46,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 16:53:46,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-15 16:53:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:46,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 16:53:46,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-15 16:53:47,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 16:53:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 174 proven. 26 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-15 16:53:47,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:47,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513960405] [2021-12-15 16:53:47,269 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 16:53:47,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636205824] [2021-12-15 16:53:47,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636205824] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 16:53:47,270 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-15 16:53:47,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-12-15 16:53:47,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572548378] [2021-12-15 16:53:47,270 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-15 16:53:47,271 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 16:53:47,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:47,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 16:53:47,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-15 16:53:47,272 INFO L87 Difference]: Start difference. First operand 5725 states and 7740 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:47,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:47,631 INFO L93 Difference]: Finished difference Result 13021 states and 17406 transitions. [2021-12-15 16:53:47,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 16:53:47,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 188 [2021-12-15 16:53:47,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:47,651 INFO L225 Difference]: With dead ends: 13021 [2021-12-15 16:53:47,652 INFO L226 Difference]: Without dead ends: 7263 [2021-12-15 16:53:47,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 372 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-15 16:53:47,660 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 347 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:47,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [347 Valid, 440 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 16:53:47,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7263 states. [2021-12-15 16:53:47,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7263 to 5578. [2021-12-15 16:53:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5578 states, 5570 states have (on average 1.3461400359066427) internal successors, (7498), 5577 states have internal predecessors, (7498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:47,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5578 states and 7498 transitions. [2021-12-15 16:53:47,805 INFO L78 Accepts]: Start accepts. Automaton has 5578 states and 7498 transitions. Word has length 188 [2021-12-15 16:53:47,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:47,805 INFO L470 AbstractCegarLoop]: Abstraction has 5578 states and 7498 transitions. [2021-12-15 16:53:47,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:47,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5578 states and 7498 transitions. [2021-12-15 16:53:47,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-15 16:53:47,808 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:47,809 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:47,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:48,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:48,023 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:48,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:48,024 INFO L85 PathProgramCache]: Analyzing trace with hash 101013166, now seen corresponding path program 1 times [2021-12-15 16:53:48,024 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:48,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191781374] [2021-12-15 16:53:48,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:48,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:48,042 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 16:53:48,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1239334568] [2021-12-15 16:53:48,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:48,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:48,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:48,043 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 16:53:48,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-15 16:53:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:48,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-15 16:53:48,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-12-15 16:53:48,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 16:53:48,543 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:48,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191781374] [2021-12-15 16:53:48,544 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 16:53:48,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239334568] [2021-12-15 16:53:48,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239334568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:48,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:48,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 16:53:48,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507180069] [2021-12-15 16:53:48,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:48,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 16:53:48,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:48,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 16:53:48,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-15 16:53:48,546 INFO L87 Difference]: Start difference. First operand 5578 states and 7498 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:48,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:48,860 INFO L93 Difference]: Finished difference Result 10268 states and 13679 transitions. [2021-12-15 16:53:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-15 16:53:48,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 189 [2021-12-15 16:53:48,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:48,876 INFO L225 Difference]: With dead ends: 10268 [2021-12-15 16:53:48,876 INFO L226 Difference]: Without dead ends: 7771 [2021-12-15 16:53:48,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-15 16:53:48,883 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 275 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:48,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [275 Valid, 762 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 16:53:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7771 states. [2021-12-15 16:53:49,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7771 to 7364. [2021-12-15 16:53:49,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7364 states, 7356 states have (on average 1.3418977705274606) internal successors, (9871), 7363 states have internal predecessors, (9871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7364 states to 7364 states and 9871 transitions. [2021-12-15 16:53:49,063 INFO L78 Accepts]: Start accepts. Automaton has 7364 states and 9871 transitions. Word has length 189 [2021-12-15 16:53:49,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:49,063 INFO L470 AbstractCegarLoop]: Abstraction has 7364 states and 9871 transitions. [2021-12-15 16:53:49,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 7364 states and 9871 transitions. [2021-12-15 16:53:49,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-15 16:53:49,067 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:49,067 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:49,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:49,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:49,293 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:49,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:49,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1163558635, now seen corresponding path program 1 times [2021-12-15 16:53:49,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:49,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212883774] [2021-12-15 16:53:49,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:49,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:49,310 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 16:53:49,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535304072] [2021-12-15 16:53:49,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:49,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:49,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:49,312 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 16:53:49,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-15 16:53:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:49,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 16:53:49,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-12-15 16:53:49,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 16:53:49,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:49,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212883774] [2021-12-15 16:53:49,769 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 16:53:49,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535304072] [2021-12-15 16:53:49,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535304072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:49,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:49,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:49,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454086765] [2021-12-15 16:53:49,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:49,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 16:53:49,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:49,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 16:53:49,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 16:53:49,771 INFO L87 Difference]: Start difference. First operand 7364 states and 9871 transitions. Second operand has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:50,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:50,068 INFO L93 Difference]: Finished difference Result 14790 states and 19801 transitions. [2021-12-15 16:53:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 16:53:50,070 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 190 [2021-12-15 16:53:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:50,082 INFO L225 Difference]: With dead ends: 14790 [2021-12-15 16:53:50,083 INFO L226 Difference]: Without dead ends: 7447 [2021-12-15 16:53:50,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 16:53:50,090 INFO L933 BasicCegarLoop]: 374 mSDtfsCounter, 177 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:50,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 642 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 16:53:50,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7447 states. [2021-12-15 16:53:50,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7447 to 7363. [2021-12-15 16:53:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7363 states, 7356 states have (on average 1.3398586188145731) internal successors, (9856), 7362 states have internal predecessors, (9856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:50,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7363 states to 7363 states and 9856 transitions. [2021-12-15 16:53:50,282 INFO L78 Accepts]: Start accepts. Automaton has 7363 states and 9856 transitions. Word has length 190 [2021-12-15 16:53:50,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:50,282 INFO L470 AbstractCegarLoop]: Abstraction has 7363 states and 9856 transitions. [2021-12-15 16:53:50,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.0) internal successors, (108), 4 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7363 states and 9856 transitions. [2021-12-15 16:53:50,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-15 16:53:50,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:50,286 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 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] [2021-12-15 16:53:50,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:50,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:50,510 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:50,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:50,510 INFO L85 PathProgramCache]: Analyzing trace with hash 300203678, now seen corresponding path program 1 times [2021-12-15 16:53:50,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252680625] [2021-12-15 16:53:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:50,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2021-12-15 16:53:50,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:50,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252680625] [2021-12-15 16:53:50,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252680625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:50,556 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:50,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:50,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445882509] [2021-12-15 16:53:50,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:50,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:50,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:50,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:50,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:50,559 INFO L87 Difference]: Start difference. First operand 7363 states and 9856 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:50,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:50,762 INFO L93 Difference]: Finished difference Result 14896 states and 19946 transitions. [2021-12-15 16:53:50,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:50,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2021-12-15 16:53:50,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:50,777 INFO L225 Difference]: With dead ends: 14896 [2021-12-15 16:53:50,777 INFO L226 Difference]: Without dead ends: 7554 [2021-12-15 16:53:50,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:50,787 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 63 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:50,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 278 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:50,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2021-12-15 16:53:50,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 7433. [2021-12-15 16:53:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7433 states, 7426 states have (on average 1.3280366280635605) internal successors, (9862), 7432 states have internal predecessors, (9862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7433 states to 7433 states and 9862 transitions. [2021-12-15 16:53:50,975 INFO L78 Accepts]: Start accepts. Automaton has 7433 states and 9862 transitions. Word has length 200 [2021-12-15 16:53:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:50,976 INFO L470 AbstractCegarLoop]: Abstraction has 7433 states and 9862 transitions. [2021-12-15 16:53:50,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 7433 states and 9862 transitions. [2021-12-15 16:53:50,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-15 16:53:50,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:50,981 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:50,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-15 16:53:50,982 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:50,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:50,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1789334289, now seen corresponding path program 1 times [2021-12-15 16:53:50,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:50,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588829707] [2021-12-15 16:53:50,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:50,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:51,036 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-12-15 16:53:51,036 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:51,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588829707] [2021-12-15 16:53:51,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588829707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:51,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:51,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:51,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510679770] [2021-12-15 16:53:51,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:51,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:51,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:51,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:51,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:51,038 INFO L87 Difference]: Start difference. First operand 7433 states and 9862 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:51,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:51,139 INFO L93 Difference]: Finished difference Result 14003 states and 18561 transitions. [2021-12-15 16:53:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:51,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2021-12-15 16:53:51,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:51,152 INFO L225 Difference]: With dead ends: 14003 [2021-12-15 16:53:51,152 INFO L226 Difference]: Without dead ends: 6591 [2021-12-15 16:53:51,162 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:51,163 INFO L933 BasicCegarLoop]: 360 mSDtfsCounter, 135 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:51,163 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 548 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 16:53:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6591 states. [2021-12-15 16:53:51,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6591 to 6587. [2021-12-15 16:53:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 6580 states have (on average 1.3250759878419454) internal successors, (8719), 6586 states have internal predecessors, (8719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 8719 transitions. [2021-12-15 16:53:51,363 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 8719 transitions. Word has length 204 [2021-12-15 16:53:51,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:51,364 INFO L470 AbstractCegarLoop]: Abstraction has 6587 states and 8719 transitions. [2021-12-15 16:53:51,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 8719 transitions. [2021-12-15 16:53:51,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-15 16:53:51,368 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:51,368 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:51,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-15 16:53:51,368 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:51,369 INFO L85 PathProgramCache]: Analyzing trace with hash 668248751, now seen corresponding path program 1 times [2021-12-15 16:53:51,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:51,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987467208] [2021-12-15 16:53:51,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:51,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:51,401 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-15 16:53:51,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:51,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987467208] [2021-12-15 16:53:51,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987467208] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:51,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:51,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:51,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539510851] [2021-12-15 16:53:51,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:51,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:51,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:51,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:51,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:51,404 INFO L87 Difference]: Start difference. First operand 6587 states and 8719 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:51,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:51,491 INFO L93 Difference]: Finished difference Result 11344 states and 15015 transitions. [2021-12-15 16:53:51,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:51,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2021-12-15 16:53:51,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:51,501 INFO L225 Difference]: With dead ends: 11344 [2021-12-15 16:53:51,501 INFO L226 Difference]: Without dead ends: 4778 [2021-12-15 16:53:51,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:51,511 INFO L933 BasicCegarLoop]: 214 mSDtfsCounter, 10 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:51,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 406 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 16:53:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2021-12-15 16:53:51,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4778. [2021-12-15 16:53:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4778 states, 4771 states have (on average 1.3244602808635506) internal successors, (6319), 4777 states have internal predecessors, (6319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4778 states to 4778 states and 6319 transitions. [2021-12-15 16:53:51,624 INFO L78 Accepts]: Start accepts. Automaton has 4778 states and 6319 transitions. Word has length 204 [2021-12-15 16:53:51,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:51,624 INFO L470 AbstractCegarLoop]: Abstraction has 4778 states and 6319 transitions. [2021-12-15 16:53:51,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 6319 transitions. [2021-12-15 16:53:51,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-15 16:53:51,627 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:51,628 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 16:53:51,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-15 16:53:51,628 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:51,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:51,629 INFO L85 PathProgramCache]: Analyzing trace with hash 2142765353, now seen corresponding path program 1 times [2021-12-15 16:53:51,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:51,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996482245] [2021-12-15 16:53:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:51,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:51,642 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 16:53:51,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375841458] [2021-12-15 16:53:51,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:51,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:51,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:51,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 16:53:51,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-15 16:53:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:51,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 16:53:51,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-12-15 16:53:52,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 16:53:52,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:52,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996482245] [2021-12-15 16:53:52,039 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 16:53:52,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375841458] [2021-12-15 16:53:52,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375841458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:52,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:52,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:52,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186096633] [2021-12-15 16:53:52,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:52,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:52,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:52,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:52,042 INFO L87 Difference]: Start difference. First operand 4778 states and 6319 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:52,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:52,219 INFO L93 Difference]: Finished difference Result 8987 states and 11772 transitions. [2021-12-15 16:53:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:52,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2021-12-15 16:53:52,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:52,226 INFO L225 Difference]: With dead ends: 8987 [2021-12-15 16:53:52,227 INFO L226 Difference]: Without dead ends: 3291 [2021-12-15 16:53:52,231 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:52,232 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 28 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:52,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 318 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:52,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3291 states. [2021-12-15 16:53:52,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3291 to 3223. [2021-12-15 16:53:52,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3223 states, 3216 states have (on average 1.3156094527363185) internal successors, (4231), 3222 states have internal predecessors, (4231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 4231 transitions. [2021-12-15 16:53:52,311 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 4231 transitions. Word has length 208 [2021-12-15 16:53:52,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:52,311 INFO L470 AbstractCegarLoop]: Abstraction has 3223 states and 4231 transitions. [2021-12-15 16:53:52,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:52,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 4231 transitions. [2021-12-15 16:53:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-12-15 16:53:52,315 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:52,315 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 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] [2021-12-15 16:53:52,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:52,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-12-15 16:53:52,531 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:52,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:52,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1325841756, now seen corresponding path program 1 times [2021-12-15 16:53:52,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:52,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307652602] [2021-12-15 16:53:52,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:52,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 515 proven. 0 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-15 16:53:52,579 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:52,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307652602] [2021-12-15 16:53:52,579 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307652602] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:52,579 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:52,579 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:52,580 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859489965] [2021-12-15 16:53:52,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:52,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:52,580 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:52,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:52,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:52,581 INFO L87 Difference]: Start difference. First operand 3223 states and 4231 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:52,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:52,725 INFO L93 Difference]: Finished difference Result 7001 states and 9141 transitions. [2021-12-15 16:53:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:52,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 277 [2021-12-15 16:53:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:52,732 INFO L225 Difference]: With dead ends: 7001 [2021-12-15 16:53:52,733 INFO L226 Difference]: Without dead ends: 3799 [2021-12-15 16:53:52,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:52,736 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:52,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 312 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:52,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3799 states. [2021-12-15 16:53:52,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3799 to 3767. [2021-12-15 16:53:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3760 states have (on average 1.2912234042553192) internal successors, (4855), 3766 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:52,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 4855 transitions. [2021-12-15 16:53:52,801 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 4855 transitions. Word has length 277 [2021-12-15 16:53:52,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:52,802 INFO L470 AbstractCegarLoop]: Abstraction has 3767 states and 4855 transitions. [2021-12-15 16:53:52,802 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:52,802 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4855 transitions. [2021-12-15 16:53:52,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-12-15 16:53:52,805 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:52,806 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 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] [2021-12-15 16:53:52,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-15 16:53:52,806 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:52,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1520896468, now seen corresponding path program 1 times [2021-12-15 16:53:52,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:52,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894920835] [2021-12-15 16:53:52,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:52,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:52,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1126 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2021-12-15 16:53:52,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:52,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894920835] [2021-12-15 16:53:52,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894920835] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:52,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:52,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:52,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459139906] [2021-12-15 16:53:52,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:52,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:52,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:52,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:52,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:52,858 INFO L87 Difference]: Start difference. First operand 3767 states and 4855 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:53,004 INFO L93 Difference]: Finished difference Result 6102 states and 7772 transitions. [2021-12-15 16:53:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:53,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 308 [2021-12-15 16:53:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:53,009 INFO L225 Difference]: With dead ends: 6102 [2021-12-15 16:53:53,010 INFO L226 Difference]: Without dead ends: 2356 [2021-12-15 16:53:53,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:53,013 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 42 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:53,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [42 Valid, 274 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:53,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2021-12-15 16:53:53,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2353. [2021-12-15 16:53:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2353 states, 2348 states have (on average 1.241482112436116) internal successors, (2915), 2352 states have internal predecessors, (2915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:53,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 2353 states and 2915 transitions. [2021-12-15 16:53:53,076 INFO L78 Accepts]: Start accepts. Automaton has 2353 states and 2915 transitions. Word has length 308 [2021-12-15 16:53:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:53,077 INFO L470 AbstractCegarLoop]: Abstraction has 2353 states and 2915 transitions. [2021-12-15 16:53:53,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:53,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2915 transitions. [2021-12-15 16:53:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-12-15 16:53:53,081 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:53,081 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 3, 3, 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] [2021-12-15 16:53:53,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-15 16:53:53,082 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:53,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:53,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1247487280, now seen corresponding path program 1 times [2021-12-15 16:53:53,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:53,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363351265] [2021-12-15 16:53:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:53,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:53,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 823 proven. 0 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2021-12-15 16:53:53,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:53,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363351265] [2021-12-15 16:53:53,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363351265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 16:53:53,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 16:53:53,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 16:53:53,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896601272] [2021-12-15 16:53:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 16:53:53,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 16:53:53,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:53,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 16:53:53,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:53,137 INFO L87 Difference]: Start difference. First operand 2353 states and 2915 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:53,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:53,265 INFO L93 Difference]: Finished difference Result 4710 states and 5833 transitions. [2021-12-15 16:53:53,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 16:53:53,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 367 [2021-12-15 16:53:53,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:53,270 INFO L225 Difference]: With dead ends: 4710 [2021-12-15 16:53:53,271 INFO L226 Difference]: Without dead ends: 2378 [2021-12-15 16:53:53,273 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 16:53:53,273 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:53,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 296 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:53,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2378 states. [2021-12-15 16:53:53,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2378 to 2086. [2021-12-15 16:53:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2086 states, 2081 states have (on average 1.2364247957712637) internal successors, (2573), 2085 states have internal predecessors, (2573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 2086 states and 2573 transitions. [2021-12-15 16:53:53,310 INFO L78 Accepts]: Start accepts. Automaton has 2086 states and 2573 transitions. Word has length 367 [2021-12-15 16:53:53,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:53,310 INFO L470 AbstractCegarLoop]: Abstraction has 2086 states and 2573 transitions. [2021-12-15 16:53:53,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:53,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 2573 transitions. [2021-12-15 16:53:53,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2021-12-15 16:53:53,313 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 16:53:53,313 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 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] [2021-12-15 16:53:53,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-15 16:53:53,313 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2021-12-15 16:53:53,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 16:53:53,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1284808221, now seen corresponding path program 1 times [2021-12-15 16:53:53,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 16:53:53,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899429098] [2021-12-15 16:53:53,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:53,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 16:53:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-12-15 16:53:53,390 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 16:53:53,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899429098] [2021-12-15 16:53:53,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899429098] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 16:53:53,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140116915] [2021-12-15 16:53:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 16:53:53,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:53:53,392 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 16:53:53,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-15 16:53:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 16:53:53,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 16:53:53,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 16:53:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-12-15 16:53:54,133 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 16:53:54,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1718 backedges. 353 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2021-12-15 16:53:54,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140116915] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 16:53:54,624 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 16:53:54,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-15 16:53:54,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283899506] [2021-12-15 16:53:54,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 16:53:54,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-15 16:53:54,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 16:53:54,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-15 16:53:54,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-15 16:53:54,627 INFO L87 Difference]: Start difference. First operand 2086 states and 2573 transitions. Second operand has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 16:53:54,793 INFO L93 Difference]: Finished difference Result 2635 states and 3242 transitions. [2021-12-15 16:53:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 16:53:54,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 400 [2021-12-15 16:53:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 16:53:54,795 INFO L225 Difference]: With dead ends: 2635 [2021-12-15 16:53:54,795 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 16:53:54,796 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 804 GetRequests, 797 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-15 16:53:54,797 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 57 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 16:53:54,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 681 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 16:53:54,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 16:53:54,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 16:53:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:54,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 16:53:54,799 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2021-12-15 16:53:54,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 16:53:54,799 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 16:53:54,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 27.125) internal successors, (217), 8 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 16:53:54,799 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 16:53:54,800 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 16:53:54,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2021-12-15 16:53:54,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2021-12-15 16:53:54,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2021-12-15 16:53:54,802 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2021-12-15 16:53:54,803 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2021-12-15 16:53:54,804 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2021-12-15 16:53:54,804 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2021-12-15 16:53:54,804 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2021-12-15 16:53:54,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-12-15 16:53:55,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 16:53:55,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 16:53:57,686 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L854 garLoopResultBuilder]: At program point L598(lines 109 666) the Hoare annotation is: (let ((.cse8 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse1 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse9 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse10 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse7 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse3) (and .cse4 .cse0 .cse5) (and .cse1 .cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466) .cse0 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) .cse8 .cse3) (and .cse9 .cse10 (= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse0) (and .cse6 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576) .cse7) (and .cse8 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse0) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse4 .cse5) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse6 .cse0 .cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (and .cse1 .cse9 .cse10 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse1 .cse9 .cse10 .cse2 .cse0) (and .cse6 .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608) .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)))) [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2021-12-15 16:53:57,687 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L861 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L272(line 272) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 605) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-15 16:53:57,688 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 616) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,688 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L854 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2021-12-15 16:53:57,689 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse8 (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse1 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse9 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse10 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse7 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) .cse0 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse3) (and .cse4 .cse0 .cse5) (and .cse1 .cse6 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466) .cse0 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) .cse8 .cse3) (and .cse9 .cse10 (= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse0) (and .cse6 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576) .cse7) (and .cse8 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse0) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse4 .cse5) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse6 .cse0 .cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (and .cse1 .cse9 .cse10 .cse2 .cse3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse1 .cse9 .cse10 .cse2 .cse0) (and .cse6 .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608) .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)))) [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,690 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 614) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640)) (.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse2) (and .cse0 .cse3 .cse4 .cse1 .cse5) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse5 (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)))) [2021-12-15 16:53:57,690 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 627) the Hoare annotation is: (let ((.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8466))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 16:53:57,690 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 603) the Hoare annotation is: (and (<= 8656 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 12292) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) [2021-12-15 16:53:57,691 INFO L854 garLoopResultBuilder]: At program point L113(lines 112 635) the Hoare annotation is: false [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,691 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L512-1(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L512-2(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L512-3(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: true [2021-12-15 16:53:57,692 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 613) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) [2021-12-15 16:53:57,692 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 624) the Hoare annotation is: (let ((.cse0 (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse0 .cse1) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) .cse1))) [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-12-15 16:53:57,692 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: true [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L854 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,693 INFO L861 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L861 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 611) the Hoare annotation is: (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8640) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= 8576 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) [2021-12-15 16:53:57,694 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 622) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L854 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: false [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2021-12-15 16:53:57,694 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2021-12-15 16:53:57,695 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2021-12-15 16:53:57,695 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-12-15 16:53:57,695 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-12-15 16:53:57,695 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-12-15 16:53:57,703 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 512) no Hoare annotation was computed. [2021-12-15 16:53:57,703 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2021-12-15 16:53:57,703 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2021-12-15 16:53:57,703 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2021-12-15 16:53:57,704 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2021-12-15 16:53:57,704 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2021-12-15 16:53:57,704 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2021-12-15 16:53:57,704 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-12-15 16:53:57,704 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 16:53:57,705 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2021-12-15 16:53:57,705 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2021-12-15 16:53:57,705 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-12-15 16:53:57,706 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-12-15 16:53:57,706 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 609) the Hoare annotation is: (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) [2021-12-15 16:53:57,706 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 620) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,706 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,706 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 272) no Hoare annotation was computed. [2021-12-15 16:53:57,706 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 630) the Hoare annotation is: false [2021-12-15 16:53:57,707 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 16:53:57,707 INFO L861 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: true [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2021-12-15 16:53:57,708 INFO L861 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2021-12-15 16:53:57,708 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2021-12-15 16:53:57,709 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-12-15 16:53:57,709 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 16:53:57,709 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 607) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0)) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8640) (= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2021-12-15 16:53:57,709 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 618) the Hoare annotation is: (and (<= 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) [2021-12-15 16:53:57,709 INFO L854 garLoopResultBuilder]: At program point L134(lines 133 628) the Hoare annotation is: (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) [2021-12-15 16:53:57,713 INFO L732 BasicCegarLoop]: Path program 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] [2021-12-15 16:53:57,714 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 16:53:57,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 04:53:57 BoogieIcfgContainer [2021-12-15 16:53:57,740 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 16:53:57,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 16:53:57,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 16:53:57,741 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 16:53:57,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:53:37" (3/4) ... [2021-12-15 16:53:57,750 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 16:53:57,769 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 16:53:57,771 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 16:53:57,772 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 16:53:57,773 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 16:53:57,859 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 16:53:57,859 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 16:53:57,859 INFO L158 Benchmark]: Toolchain (without parser) took 21304.74ms. Allocated memory was 88.1MB in the beginning and 740.3MB in the end (delta: 652.2MB). Free memory was 58.0MB in the beginning and 461.8MB in the end (delta: -403.8MB). Peak memory consumption was 247.7MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,860 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:53:57,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.27ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 84.3MB in the end (delta: -26.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.37ms. Allocated memory is still 113.2MB. Free memory was 84.3MB in the beginning and 81.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,862 INFO L158 Benchmark]: Boogie Preprocessor took 44.98ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,864 INFO L158 Benchmark]: RCFGBuilder took 638.64ms. Allocated memory is still 113.2MB. Free memory was 79.2MB in the beginning and 79.5MB in the end (delta: -318.4kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,867 INFO L158 Benchmark]: TraceAbstraction took 20077.41ms. Allocated memory was 113.2MB in the beginning and 740.3MB in the end (delta: 627.0MB). Free memory was 78.9MB in the beginning and 471.2MB in the end (delta: -392.2MB). Peak memory consumption was 567.8MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,868 INFO L158 Benchmark]: Witness Printer took 118.32ms. Allocated memory is still 740.3MB. Free memory was 471.2MB in the beginning and 461.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 16:53:57,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.27ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 57.8MB in the beginning and 84.3MB in the end (delta: -26.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.37ms. Allocated memory is still 113.2MB. Free memory was 84.3MB in the beginning and 81.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.98ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.64ms. Allocated memory is still 113.2MB. Free memory was 79.2MB in the beginning and 79.5MB in the end (delta: -318.4kB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * TraceAbstraction took 20077.41ms. Allocated memory was 113.2MB in the beginning and 740.3MB in the end (delta: 627.0MB). Free memory was 78.9MB in the beginning and 471.2MB in the end (delta: -392.2MB). Peak memory consumption was 567.8MB. Max. memory is 16.1GB. * Witness Printer took 118.32ms. Allocated memory is still 740.3MB. Free memory was 471.2MB in the beginning and 461.8MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 272]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 512]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 153 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 20.0s, OverallIterations: 30, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3914 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3914 mSDsluCounter, 12171 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5342 mSDsCounter, 710 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4564 IncrementalHoareTripleChecker+Invalid, 5274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 710 mSolverCounterUnsat, 6829 mSDtfsCounter, 4564 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2733 GetRequests, 2676 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8011occurred in iteration=17, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.4s AutomataMinimizationTime, 30 MinimizatonAttempts, 7794 StatesRemovedByMinimization, 27 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 166 NumberOfFragments, 697 HoareAnnotationTreeSize, 29 FomulaSimplifications, 19690 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 29 FomulaSimplificationsInter, 17262 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 5382 NumberOfCodeBlocks, 5382 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 6245 ConstructedInterpolants, 0 QuantifiedInterpolants, 9264 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3302 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 37 InterpolantComputations, 26 PerfectInterpolantSequences, 14664/14773 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((!(s__hit == 0) && s__s3__tmp__next_state___0 == 8640) && 8640 == s__state) && blastFlag == 3) || ((s__state <= 8656 && blastFlag == 2) && 8640 <= s__state) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (8656 <= s__state && s__state < 12292) && blastFlag == 3 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3) || ((((8448 <= s__state && !(s__hit == 0)) && s__s3__tmp__next_state___0 == 8640) && s__state <= 8448) && blastFlag == 3)) || ((((8448 <= s__state && !(s__hit == 0)) && s__s3__tmp__next_state___0 == 8640) && s__state <= 8448) && blastFlag == 2)) || ((((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && blastFlag == 2) && 8576 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((s__state <= 8640 && blastFlag == 2) && 8640 <= s__state) || (((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || ((8496 <= s__state && blastFlag == 2) && s__state <= 8496)) || ((((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8466) && blastFlag == 2) && 8576 <= s__s3__tmp__next_state___0)) || ((s__state <= 8672 && 8656 <= s__state) && blastFlag == 3)) || (((!(s__hit == 0) && s__s3__tmp__next_state___0 == 8640) && 8640 == s__state) && blastFlag == 3)) || (s__state == 8560 && blastFlag == 2)) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && blastFlag == 2) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || ((8656 <= s__state && s__state <= 8656) && blastFlag == 2)) || s__state <= 3) || ((blastFlag == 1 && 8496 <= s__state) && s__state <= 8496)) || (s__state == 8544 && blastFlag == 2)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && 8576 <= s__s3__tmp__next_state___0) && s__state == 8592)) || ((((8448 <= s__state && !(s__hit == 0)) && s__s3__tmp__next_state___0 == 8640) && s__state <= 8448) && blastFlag == 3)) || (blastFlag == 2 && s__state == 8512)) || ((((8448 <= s__state && !(s__hit == 0)) && s__s3__tmp__next_state___0 == 8640) && s__state <= 8448) && blastFlag == 2)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && s__state == 8608) && 8576 <= s__s3__tmp__next_state___0)) || (blastFlag == 2 && s__state == 8528) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8576) && 8576 <= s__state) && blastFlag == 2) && 8576 <= s__s3__tmp__next_state___0 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 8448 <= s__state && s__state <= 8496 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (8496 <= s__state && blastFlag == 2) && s__state <= 8576 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: ((blastFlag == 1 && 8496 <= s__state) && s__state <= 8576) || ((8496 <= s__state && blastFlag == 2) && s__state <= 8576) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__state <= 8640 && blastFlag == 2) && 8640 <= s__state) || (((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || ((8496 <= s__state && blastFlag == 2) && s__state <= 8496)) || ((((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8466) && blastFlag == 2) && 8576 <= s__s3__tmp__next_state___0)) || ((s__state <= 8672 && 8656 <= s__state) && blastFlag == 3)) || (((!(s__hit == 0) && s__s3__tmp__next_state___0 == 8640) && 8640 == s__state) && blastFlag == 3)) || (s__state == 8560 && blastFlag == 2)) || ((((s__s3__tmp__next_state___0 <= 8576 && 8576 <= s__state) && blastFlag == 2) && s__state <= 8576) && 8576 <= s__s3__tmp__next_state___0)) || ((8656 <= s__state && s__state <= 8656) && blastFlag == 2)) || s__state <= 3) || ((blastFlag == 1 && 8496 <= s__state) && s__state <= 8496)) || (s__state == 8544 && blastFlag == 2)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && 8576 <= s__s3__tmp__next_state___0) && s__state == 8592)) || ((((8448 <= s__state && !(s__hit == 0)) && s__s3__tmp__next_state___0 == 8640) && s__state <= 8448) && blastFlag == 3)) || (blastFlag == 2 && s__state == 8512)) || (blastFlag == 0 && s__state == 8464)) || ((((8448 <= s__state && !(s__hit == 0)) && s__s3__tmp__next_state___0 == 8640) && s__state <= 8448) && blastFlag == 2)) || (((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && s__state == 8608) && 8576 <= s__s3__tmp__next_state___0)) || (blastFlag == 2 && s__state == 8528) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: blastFlag == 2 && s__state == 8608 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((8448 <= s__state && s__state <= 8466) && blastFlag == 0) || ((8448 <= s__state && s__state <= 8466) && blastFlag == 2) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((s__state <= 8640 && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8576 <= s__state) && 8576 <= s__s3__tmp__next_state___0 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((s__state <= 8672 && 8656 <= s__state) && blastFlag == 3) || ((s__state <= 8672 && 8656 <= s__state) && blastFlag == 2) RESULT: Ultimate proved your program to be correct! [2021-12-15 16:53:57,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE