./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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/eca-rers2012/Problem11_label41.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbec2ea101c707e702b17d0034cae7e7b8797fb6283b52539a46012e389affe6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 09:14:31,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 09:14:31,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 09:14:31,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 09:14:31,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 09:14:31,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 09:14:31,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 09:14:31,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 09:14:31,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 09:14:31,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 09:14:31,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 09:14:31,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 09:14:31,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 09:14:31,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 09:14:31,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 09:14:31,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 09:14:31,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 09:14:31,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 09:14:31,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 09:14:31,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 09:14:31,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 09:14:31,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 09:14:31,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 09:14:31,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 09:14:31,321 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 09:14:31,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 09:14:31,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 09:14:31,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 09:14:31,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 09:14:31,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 09:14:31,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 09:14:31,324 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 09:14:31,325 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 09:14:31,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 09:14:31,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 09:14:31,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 09:14:31,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 09:14:31,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 09:14:31,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 09:14:31,328 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 09:14:31,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 09:14:31,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 09:14:31,353 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 09:14:31,353 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 09:14:31,354 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 09:14:31,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 09:14:31,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 09:14:31,355 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 09:14:31,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 09:14:31,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 09:14:31,356 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 09:14:31,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 09:14:31,356 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 09:14:31,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 09:14:31,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 09:14:31,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 09:14:31,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 09:14:31,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 09:14:31,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 09:14:31,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 09:14:31,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:14:31,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 09:14:31,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 09:14:31,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 09:14:31,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 09:14:31,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 09:14:31,360 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 09:14:31,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 09:14:31,361 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 09:14:31,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 09:14:31,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbec2ea101c707e702b17d0034cae7e7b8797fb6283b52539a46012e389affe6 [2021-12-22 09:14:31,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 09:14:31,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 09:14:31,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 09:14:31,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 09:14:31,617 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 09:14:31,618 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label41.c [2021-12-22 09:14:31,668 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5468ff1be/3457ec20a5224b159decd048a1938f9e/FLAG41bf10b30 [2021-12-22 09:14:32,132 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 09:14:32,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label41.c [2021-12-22 09:14:32,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5468ff1be/3457ec20a5224b159decd048a1938f9e/FLAG41bf10b30 [2021-12-22 09:14:32,166 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5468ff1be/3457ec20a5224b159decd048a1938f9e [2021-12-22 09:14:32,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 09:14:32,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 09:14:32,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 09:14:32,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 09:14:32,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 09:14:32,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc44d61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32, skipping insertion in model container [2021-12-22 09:14:32,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 09:14:32,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 09:14:32,355 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/eca-rers2012/Problem11_label41.c[3129,3142] [2021-12-22 09:14:32,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:14:32,503 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 09:14:32,513 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/eca-rers2012/Problem11_label41.c[3129,3142] [2021-12-22 09:14:32,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 09:14:32,596 INFO L208 MainTranslator]: Completed translation [2021-12-22 09:14:32,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32 WrapperNode [2021-12-22 09:14:32,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 09:14:32,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 09:14:32,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 09:14:32,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 09:14:32,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,628 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,738 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-22 09:14:32,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 09:14:32,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 09:14:32,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 09:14:32,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 09:14:32,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 09:14:32,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 09:14:32,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 09:14:32,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 09:14:32,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (1/1) ... [2021-12-22 09:14:32,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 09:14:32,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:14:32,871 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) [2021-12-22 09:14:32,876 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 [2021-12-22 09:14:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 09:14:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 09:14:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 09:14:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 09:14:32,942 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 09:14:32,943 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 09:14:33,838 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 09:14:33,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 09:14:33,845 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 09:14:33,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:14:33 BoogieIcfgContainer [2021-12-22 09:14:33,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 09:14:33,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 09:14:33,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 09:14:33,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 09:14:33,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 09:14:32" (1/3) ... [2021-12-22 09:14:33,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5743984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:14:33, skipping insertion in model container [2021-12-22 09:14:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 09:14:32" (2/3) ... [2021-12-22 09:14:33,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5743984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 09:14:33, skipping insertion in model container [2021-12-22 09:14:33,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:14:33" (3/3) ... [2021-12-22 09:14:33,853 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label41.c [2021-12-22 09:14:33,857 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 09:14:33,857 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 09:14:33,891 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 09:14:33,895 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=PETRI_NET, 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 [2021-12-22 09:14:33,896 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 09:14:33,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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) [2021-12-22 09:14:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-22 09:14:33,918 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:33,919 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:33,920 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:33,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:33,924 INFO L85 PathProgramCache]: Analyzing trace with hash -85512855, now seen corresponding path program 1 times [2021-12-22 09:14:33,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:33,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691084266] [2021-12-22 09:14:33,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:33,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:14:34,115 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:34,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691084266] [2021-12-22 09:14:34,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691084266] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:34,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:34,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:14:34,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110577846] [2021-12-22 09:14:34,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:34,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:34,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:34,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:34,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:34,146 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-12-22 09:14:35,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:35,035 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-22 09:14:35,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:35,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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 21 [2021-12-22 09:14:35,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:35,050 INFO L225 Difference]: With dead ends: 761 [2021-12-22 09:14:35,050 INFO L226 Difference]: Without dead ends: 413 [2021-12-22 09:14:35,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:35,055 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 207 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:35,056 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-22 09:14:35,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-22 09:14:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-22 09:14:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 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) [2021-12-22 09:14:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-22 09:14:35,094 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 21 [2021-12-22 09:14:35,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:35,094 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-22 09:14:35,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 states have internal predecessors, (21), 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) [2021-12-22 09:14:35,095 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-22 09:14:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-22 09:14:35,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:35,097 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:35,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 09:14:35,098 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:35,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:35,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1756349648, now seen corresponding path program 1 times [2021-12-22 09:14:35,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:35,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986122083] [2021-12-22 09:14:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:35,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:35,189 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:14:35,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:35,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986122083] [2021-12-22 09:14:35,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986122083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:35,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:35,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:14:35,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811943058] [2021-12-22 09:14:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:35,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:35,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:35,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:35,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:35,192 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2021-12-22 09:14:35,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:35,860 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-22 09:14:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:35,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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 89 [2021-12-22 09:14:35,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:35,864 INFO L225 Difference]: With dead ends: 1211 [2021-12-22 09:14:35,864 INFO L226 Difference]: Without dead ends: 800 [2021-12-22 09:14:35,865 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:35,866 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:35,866 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:14:35,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-22 09:14:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-22 09:14:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 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) [2021-12-22 09:14:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-22 09:14:35,898 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 89 [2021-12-22 09:14:35,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:35,898 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-22 09:14:35,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 2 states have internal predecessors, (89), 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) [2021-12-22 09:14:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-22 09:14:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-22 09:14:35,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:35,900 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:35,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 09:14:35,901 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1927914827, now seen corresponding path program 1 times [2021-12-22 09:14:35,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:35,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846145837] [2021-12-22 09:14:35,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:35,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:14:35,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:35,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846145837] [2021-12-22 09:14:35,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846145837] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:35,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:35,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-22 09:14:35,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462214228] [2021-12-22 09:14:35,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:35,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:35,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:35,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:35,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:35,991 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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) [2021-12-22 09:14:36,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:36,567 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2021-12-22 09:14:36,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:36,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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 91 [2021-12-22 09:14:36,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:36,571 INFO L225 Difference]: With dead ends: 1945 [2021-12-22 09:14:36,571 INFO L226 Difference]: Without dead ends: 1158 [2021-12-22 09:14:36,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:36,573 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:36,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:14:36,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-12-22 09:14:36,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2021-12-22 09:14:36,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 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) [2021-12-22 09:14:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2021-12-22 09:14:36,589 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 91 [2021-12-22 09:14:36,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:36,589 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2021-12-22 09:14:36,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 2 states have internal predecessors, (91), 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) [2021-12-22 09:14:36,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2021-12-22 09:14:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-12-22 09:14:36,593 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:36,594 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:36,594 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 09:14:36,594 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:36,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:36,595 INFO L85 PathProgramCache]: Analyzing trace with hash -682660523, now seen corresponding path program 1 times [2021-12-22 09:14:36,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:36,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677224350] [2021-12-22 09:14:36,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:36,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:36,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:36,675 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 09:14:36,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:36,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677224350] [2021-12-22 09:14:36,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677224350] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:36,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:36,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:36,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734023343] [2021-12-22 09:14:36,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:36,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:36,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:36,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:36,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:36,678 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) [2021-12-22 09:14:37,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:37,232 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2021-12-22 09:14:37,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:37,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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 148 [2021-12-22 09:14:37,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:37,237 INFO L225 Difference]: With dead ends: 2519 [2021-12-22 09:14:37,237 INFO L226 Difference]: Without dead ends: 1548 [2021-12-22 09:14:37,238 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 [2021-12-22 09:14:37,240 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 214 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:37,240 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:14:37,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2021-12-22 09:14:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2021-12-22 09:14:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 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) [2021-12-22 09:14:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2021-12-22 09:14:37,263 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 148 [2021-12-22 09:14:37,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:37,263 INFO L470 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2021-12-22 09:14:37,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 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) [2021-12-22 09:14:37,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2021-12-22 09:14:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-22 09:14:37,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:37,267 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:37,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 09:14:37,268 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:37,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:37,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1487557496, now seen corresponding path program 1 times [2021-12-22 09:14:37,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:37,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826953516] [2021-12-22 09:14:37,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:37,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-22 09:14:37,359 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:37,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826953516] [2021-12-22 09:14:37,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826953516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:37,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:37,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:37,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714383878] [2021-12-22 09:14:37,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:37,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:37,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:37,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:37,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:37,361 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-12-22 09:14:37,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:37,994 INFO L93 Difference]: Finished difference Result 3643 states and 4872 transitions. [2021-12-22 09:14:37,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:37,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 203 [2021-12-22 09:14:37,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:38,001 INFO L225 Difference]: With dead ends: 3643 [2021-12-22 09:14:38,002 INFO L226 Difference]: Without dead ends: 2284 [2021-12-22 09:14:38,003 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 [2021-12-22 09:14:38,004 INFO L933 BasicCegarLoop]: 346 mSDtfsCounter, 188 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:38,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 366 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:14:38,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2021-12-22 09:14:38,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 2284. [2021-12-22 09:14:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2284 states, 2283 states have (on average 1.314060446780552) internal successors, (3000), 2283 states have internal predecessors, (3000), 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) [2021-12-22 09:14:38,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 2284 states and 3000 transitions. [2021-12-22 09:14:38,035 INFO L78 Accepts]: Start accepts. Automaton has 2284 states and 3000 transitions. Word has length 203 [2021-12-22 09:14:38,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:38,036 INFO L470 AbstractCegarLoop]: Abstraction has 2284 states and 3000 transitions. [2021-12-22 09:14:38,036 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2021-12-22 09:14:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 3000 transitions. [2021-12-22 09:14:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-22 09:14:38,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:38,039 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:38,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 09:14:38,039 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:38,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1025688727, now seen corresponding path program 1 times [2021-12-22 09:14:38,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:38,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662036728] [2021-12-22 09:14:38,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:38,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-22 09:14:38,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:38,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662036728] [2021-12-22 09:14:38,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662036728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:38,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:38,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:38,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749229890] [2021-12-22 09:14:38,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:38,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:38,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:38,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:38,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:38,120 INFO L87 Difference]: Start difference. First operand 2284 states and 3000 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-12-22 09:14:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:38,784 INFO L93 Difference]: Finished difference Result 5310 states and 7081 transitions. [2021-12-22 09:14:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:38,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 214 [2021-12-22 09:14:38,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:38,794 INFO L225 Difference]: With dead ends: 5310 [2021-12-22 09:14:38,795 INFO L226 Difference]: Without dead ends: 3212 [2021-12-22 09:14:38,798 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 [2021-12-22 09:14:38,799 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 175 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:38,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:14:38,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2021-12-22 09:14:38,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 3203. [2021-12-22 09:14:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3203 states, 3202 states have (on average 1.2723297938788258) internal successors, (4074), 3202 states have internal predecessors, (4074), 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) [2021-12-22 09:14:38,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 3203 states and 4074 transitions. [2021-12-22 09:14:38,868 INFO L78 Accepts]: Start accepts. Automaton has 3203 states and 4074 transitions. Word has length 214 [2021-12-22 09:14:38,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:38,869 INFO L470 AbstractCegarLoop]: Abstraction has 3203 states and 4074 transitions. [2021-12-22 09:14:38,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-12-22 09:14:38,869 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 4074 transitions. [2021-12-22 09:14:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-12-22 09:14:38,872 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:38,872 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:14:38,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 09:14:38,873 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:38,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:38,874 INFO L85 PathProgramCache]: Analyzing trace with hash 307563977, now seen corresponding path program 1 times [2021-12-22 09:14:38,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:38,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516122875] [2021-12-22 09:14:38,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:38,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-12-22 09:14:38,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:38,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516122875] [2021-12-22 09:14:38,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516122875] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:38,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:38,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:38,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346953156] [2021-12-22 09:14:38,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:38,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:38,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:38,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:38,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:38,961 INFO L87 Difference]: Start difference. First operand 3203 states and 4074 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-12-22 09:14:39,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:39,624 INFO L93 Difference]: Finished difference Result 8431 states and 10891 transitions. [2021-12-22 09:14:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:39,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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 234 [2021-12-22 09:14:39,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:39,638 INFO L225 Difference]: With dead ends: 8431 [2021-12-22 09:14:39,638 INFO L226 Difference]: Without dead ends: 5414 [2021-12-22 09:14:39,643 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 [2021-12-22 09:14:39,643 INFO L933 BasicCegarLoop]: 256 mSDtfsCounter, 209 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 693 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:39,644 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [209 Valid, 270 Invalid, 693 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:14:39,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5414 states. [2021-12-22 09:14:39,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5414 to 5411. [2021-12-22 09:14:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5411 states, 5410 states have (on average 1.2541589648798521) internal successors, (6785), 5410 states have internal predecessors, (6785), 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) [2021-12-22 09:14:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5411 states to 5411 states and 6785 transitions. [2021-12-22 09:14:39,712 INFO L78 Accepts]: Start accepts. Automaton has 5411 states and 6785 transitions. Word has length 234 [2021-12-22 09:14:39,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:39,713 INFO L470 AbstractCegarLoop]: Abstraction has 5411 states and 6785 transitions. [2021-12-22 09:14:39,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 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) [2021-12-22 09:14:39,713 INFO L276 IsEmpty]: Start isEmpty. Operand 5411 states and 6785 transitions. [2021-12-22 09:14:39,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-12-22 09:14:39,720 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:39,720 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 09:14:39,720 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 09:14:39,720 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:39,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:39,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1325455450, now seen corresponding path program 1 times [2021-12-22 09:14:39,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:39,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770162296] [2021-12-22 09:14:39,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:39,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:39,837 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-22 09:14:39,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:39,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770162296] [2021-12-22 09:14:39,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770162296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:39,838 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:39,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:39,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497195871] [2021-12-22 09:14:39,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:39,839 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:39,839 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:39,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:39,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:39,840 INFO L87 Difference]: Start difference. First operand 5411 states and 6785 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2021-12-22 09:14:40,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:40,434 INFO L93 Difference]: Finished difference Result 11937 states and 15194 transitions. [2021-12-22 09:14:40,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:40,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 295 [2021-12-22 09:14:40,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:40,452 INFO L225 Difference]: With dead ends: 11937 [2021-12-22 09:14:40,452 INFO L226 Difference]: Without dead ends: 6712 [2021-12-22 09:14:40,459 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 [2021-12-22 09:14:40,459 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 184 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:40,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 336 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:14:40,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6712 states. [2021-12-22 09:14:40,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6712 to 6515. [2021-12-22 09:14:40,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6515 states, 6514 states have (on average 1.2331900521952717) internal successors, (8033), 6514 states have internal predecessors, (8033), 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) [2021-12-22 09:14:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6515 states to 6515 states and 8033 transitions. [2021-12-22 09:14:40,545 INFO L78 Accepts]: Start accepts. Automaton has 6515 states and 8033 transitions. Word has length 295 [2021-12-22 09:14:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:40,545 INFO L470 AbstractCegarLoop]: Abstraction has 6515 states and 8033 transitions. [2021-12-22 09:14:40,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2021-12-22 09:14:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6515 states and 8033 transitions. [2021-12-22 09:14:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2021-12-22 09:14:40,553 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:40,553 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:40,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 09:14:40,554 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:40,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:40,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1545495602, now seen corresponding path program 1 times [2021-12-22 09:14:40,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:40,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755412241] [2021-12-22 09:14:40,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:40,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-12-22 09:14:40,714 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:40,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755412241] [2021-12-22 09:14:40,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755412241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:40,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:40,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:40,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188381360] [2021-12-22 09:14:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:40,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:40,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:40,717 INFO L87 Difference]: Start difference. First operand 6515 states and 8033 transitions. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2021-12-22 09:14:41,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:41,351 INFO L93 Difference]: Finished difference Result 14332 states and 17687 transitions. [2021-12-22 09:14:41,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:41,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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 356 [2021-12-22 09:14:41,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:41,388 INFO L225 Difference]: With dead ends: 14332 [2021-12-22 09:14:41,388 INFO L226 Difference]: Without dead ends: 7819 [2021-12-22 09:14:41,394 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 [2021-12-22 09:14:41,395 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 67 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:41,395 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 195 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-22 09:14:41,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7819 states. [2021-12-22 09:14:41,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7819 to 7435. [2021-12-22 09:14:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7435 states, 7434 states have (on average 1.2253161151466236) internal successors, (9109), 7434 states have internal predecessors, (9109), 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) [2021-12-22 09:14:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7435 states to 7435 states and 9109 transitions. [2021-12-22 09:14:41,503 INFO L78 Accepts]: Start accepts. Automaton has 7435 states and 9109 transitions. Word has length 356 [2021-12-22 09:14:41,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:41,504 INFO L470 AbstractCegarLoop]: Abstraction has 7435 states and 9109 transitions. [2021-12-22 09:14:41,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2021-12-22 09:14:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 7435 states and 9109 transitions. [2021-12-22 09:14:41,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2021-12-22 09:14:41,514 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:41,514 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:41,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 09:14:41,515 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:41,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 2125057870, now seen corresponding path program 1 times [2021-12-22 09:14:41,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:41,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306491084] [2021-12-22 09:14:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:41,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-12-22 09:14:41,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:41,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306491084] [2021-12-22 09:14:41,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306491084] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:41,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:41,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:41,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140304313] [2021-12-22 09:14:41,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:41,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:41,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:41,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:41,639 INFO L87 Difference]: Start difference. First operand 7435 states and 9109 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2021-12-22 09:14:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:42,109 INFO L93 Difference]: Finished difference Result 17075 states and 20963 transitions. [2021-12-22 09:14:42,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:42,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 379 [2021-12-22 09:14:42,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:42,137 INFO L225 Difference]: With dead ends: 17075 [2021-12-22 09:14:42,137 INFO L226 Difference]: Without dead ends: 9642 [2021-12-22 09:14:42,145 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 [2021-12-22 09:14:42,145 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:42,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 375 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-22 09:14:42,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9642 states. [2021-12-22 09:14:42,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9642 to 9642. [2021-12-22 09:14:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9642 states, 9641 states have (on average 1.2139819520796598) internal successors, (11704), 9641 states have internal predecessors, (11704), 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) [2021-12-22 09:14:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9642 states to 9642 states and 11704 transitions. [2021-12-22 09:14:42,267 INFO L78 Accepts]: Start accepts. Automaton has 9642 states and 11704 transitions. Word has length 379 [2021-12-22 09:14:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:42,268 INFO L470 AbstractCegarLoop]: Abstraction has 9642 states and 11704 transitions. [2021-12-22 09:14:42,268 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2021-12-22 09:14:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 9642 states and 11704 transitions. [2021-12-22 09:14:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-22 09:14:42,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:42,281 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:42,282 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 09:14:42,282 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:42,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1249107897, now seen corresponding path program 1 times [2021-12-22 09:14:42,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:42,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252296317] [2021-12-22 09:14:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:42,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2021-12-22 09:14:42,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:42,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252296317] [2021-12-22 09:14:42,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252296317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:42,405 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:42,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:42,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498503248] [2021-12-22 09:14:42,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:42,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:42,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:42,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:42,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:42,407 INFO L87 Difference]: Start difference. First operand 9642 states and 11704 transitions. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2021-12-22 09:14:43,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:43,017 INFO L93 Difference]: Finished difference Result 17786 states and 21583 transitions. [2021-12-22 09:14:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:43,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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 417 [2021-12-22 09:14:43,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:43,043 INFO L225 Difference]: With dead ends: 17786 [2021-12-22 09:14:43,043 INFO L226 Difference]: Without dead ends: 7594 [2021-12-22 09:14:43,049 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 [2021-12-22 09:14:43,049 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 106 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:43,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [106 Valid, 147 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-22 09:14:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7594 states. [2021-12-22 09:14:43,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7594 to 6673. [2021-12-22 09:14:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6673 states, 6672 states have (on average 1.15302757793765) internal successors, (7693), 6672 states have internal predecessors, (7693), 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) [2021-12-22 09:14:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 7693 transitions. [2021-12-22 09:14:43,185 INFO L78 Accepts]: Start accepts. Automaton has 6673 states and 7693 transitions. Word has length 417 [2021-12-22 09:14:43,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:43,186 INFO L470 AbstractCegarLoop]: Abstraction has 6673 states and 7693 transitions. [2021-12-22 09:14:43,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2021-12-22 09:14:43,186 INFO L276 IsEmpty]: Start isEmpty. Operand 6673 states and 7693 transitions. [2021-12-22 09:14:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-12-22 09:14:43,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:43,198 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:43,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 09:14:43,199 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:43,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:43,200 INFO L85 PathProgramCache]: Analyzing trace with hash 127474750, now seen corresponding path program 1 times [2021-12-22 09:14:43,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:43,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699960655] [2021-12-22 09:14:43,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:43,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:43,333 INFO L134 CoverageAnalysis]: Checked inductivity of 673 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-12-22 09:14:43,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:43,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699960655] [2021-12-22 09:14:43,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699960655] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 09:14:43,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 09:14:43,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 09:14:43,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928203262] [2021-12-22 09:14:43,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:43,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 09:14:43,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:43,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 09:14:43,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 09:14:43,336 INFO L87 Difference]: Start difference. First operand 6673 states and 7693 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2021-12-22 09:14:44,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:44,119 INFO L93 Difference]: Finished difference Result 16487 states and 18944 transitions. [2021-12-22 09:14:44,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 09:14:44,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 481 [2021-12-22 09:14:44,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:44,159 INFO L225 Difference]: With dead ends: 16487 [2021-12-22 09:14:44,160 INFO L226 Difference]: Without dead ends: 9816 [2021-12-22 09:14:44,167 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 [2021-12-22 09:14:44,184 INFO L933 BasicCegarLoop]: 110 mSDtfsCounter, 138 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:44,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 131 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 09:14:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9816 states. [2021-12-22 09:14:44,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9816 to 9630. [2021-12-22 09:14:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9630 states, 9629 states have (on average 1.12753141551563) internal successors, (10857), 9629 states have internal predecessors, (10857), 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) [2021-12-22 09:14:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9630 states to 9630 states and 10857 transitions. [2021-12-22 09:14:44,379 INFO L78 Accepts]: Start accepts. Automaton has 9630 states and 10857 transitions. Word has length 481 [2021-12-22 09:14:44,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:44,379 INFO L470 AbstractCegarLoop]: Abstraction has 9630 states and 10857 transitions. [2021-12-22 09:14:44,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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) [2021-12-22 09:14:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 9630 states and 10857 transitions. [2021-12-22 09:14:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2021-12-22 09:14:44,392 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 09:14:44,392 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-22 09:14:44,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 09:14:44,393 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 09:14:44,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 09:14:44,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1327732137, now seen corresponding path program 1 times [2021-12-22 09:14:44,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 09:14:44,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113436664] [2021-12-22 09:14:44,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:44,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 09:14:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 156 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-22 09:14:44,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 09:14:44,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113436664] [2021-12-22 09:14:44,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113436664] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-22 09:14:44,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622379196] [2021-12-22 09:14:44,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 09:14:44,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-22 09:14:44,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 09:14:44,550 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) [2021-12-22 09:14:44,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-22 09:14:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 09:14:44,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 09:14:44,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 09:14:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 156 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-22 09:14:47,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-22 09:14:48,926 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-22 09:14:48,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622379196] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-22 09:14:48,927 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-22 09:14:48,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 9 [2021-12-22 09:14:48,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937601015] [2021-12-22 09:14:48,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 09:14:48,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 09:14:48,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 09:14:48,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 09:14:48,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-12-22 09:14:48,930 INFO L87 Difference]: Start difference. First operand 9630 states and 10857 transitions. Second operand has 4 states, 4 states have (on average 70.25) internal successors, (281), 4 states have internal predecessors, (281), 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) [2021-12-22 09:14:49,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 09:14:49,943 INFO L93 Difference]: Finished difference Result 19810 states and 22306 transitions. [2021-12-22 09:14:49,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 09:14:49,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.25) internal successors, (281), 4 states have internal predecessors, (281), 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 491 [2021-12-22 09:14:49,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 09:14:49,945 INFO L225 Difference]: With dead ends: 19810 [2021-12-22 09:14:49,945 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 09:14:49,955 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 985 GetRequests, 959 SyntacticMatches, 19 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2021-12-22 09:14:49,956 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 328 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 09:14:49,956 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [328 Valid, 45 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 09:14:49,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 09:14:49,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 09:14:49,957 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) [2021-12-22 09:14:49,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 09:14:49,957 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 491 [2021-12-22 09:14:49,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 09:14:49,957 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 09:14:49,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.25) internal successors, (281), 4 states have internal predecessors, (281), 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) [2021-12-22 09:14:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 09:14:49,958 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 09:14:49,960 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 09:14:49,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-22 09:14:50,177 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,SelfDestructingSolverStorable12 [2021-12-22 09:14:50,179 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-22 09:14:50,967 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,968 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-22 09:14:50,969 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse4 (<= ~a25~0 10)) (.cse1 (= ~a25~0 12)) (.cse0 (< 0 (+ 549143 (* 5 (div (div (* ~a29~0 9) 10) 5))))) (.cse2 (= ~a4~0 0)) (.cse5 (<= ~a23~0 138)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 .cse2 (<= ~a29~0 220) (= ~a25~0 10)) (and .cse1 .cse5 .cse3) (and (= ~a25~0 13) .cse0 .cse3) (and .cse0 .cse2 .cse5) (and .cse3 (not (<= ~a29~0 140))))) [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-22 09:14:50,970 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,971 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,973 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse4 (<= ~a25~0 10)) (.cse1 (= ~a25~0 12)) (.cse0 (< 0 (+ 549143 (* 5 (div (div (* ~a29~0 9) 10) 5))))) (.cse2 (= ~a4~0 0)) (.cse5 (<= ~a23~0 138)) (.cse3 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse3) (and .cse0 .cse2 (<= ~a29~0 220) (= ~a25~0 10)) (and .cse1 .cse5 .cse3) (and (= ~a25~0 13) .cse0 .cse3) (and .cse0 .cse2 .cse5) (and .cse3 (not (<= ~a29~0 140))))) [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,974 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-22 09:14:50,975 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,976 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-22 09:14:50,977 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,978 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,979 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-22 09:14:50,980 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 79) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,981 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,982 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-22 09:14:50,983 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-22 09:14:50,984 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,985 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,986 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-22 09:14:50,987 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-22 09:14:50,988 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,989 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-22 09:14:50,990 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-22 09:14:50,991 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-22 09:14:50,992 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,993 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,994 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,995 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-22 09:14:50,996 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-22 09:14:50,997 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-22 09:14:50,997 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-22 09:14:50,999 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 09:14:51,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 09:14:51,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 09:14:51 BoogieIcfgContainer [2021-12-22 09:14:51,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 09:14:51,013 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 09:14:51,013 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 09:14:51,013 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 09:14:51,013 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 09:14:33" (3/4) ... [2021-12-22 09:14:51,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-22 09:14:51,032 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-22 09:14:51,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-22 09:14:51,034 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-22 09:14:51,035 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-22 09:14:51,111 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 09:14:51,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 09:14:51,112 INFO L158 Benchmark]: Toolchain (without parser) took 18944.08ms. Allocated memory was 155.2MB in the beginning and 622.9MB in the end (delta: 467.7MB). Free memory was 124.1MB in the beginning and 504.9MB in the end (delta: -380.7MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,112 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 09:14:51,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.14ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 98.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.78ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 120.7MB in the end (delta: -21.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,113 INFO L158 Benchmark]: Boogie Preprocessor took 93.10ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 111.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,113 INFO L158 Benchmark]: RCFGBuilder took 1013.85ms. Allocated memory was 155.2MB in the beginning and 293.6MB in the end (delta: 138.4MB). Free memory was 111.5MB in the beginning and 245.3MB in the end (delta: -133.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,114 INFO L158 Benchmark]: TraceAbstraction took 17164.05ms. Allocated memory was 293.6MB in the beginning and 622.9MB in the end (delta: 329.3MB). Free memory was 245.3MB in the beginning and 529.0MB in the end (delta: -283.6MB). Peak memory consumption was 376.0MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,114 INFO L158 Benchmark]: Witness Printer took 99.05ms. Allocated memory is still 622.9MB. Free memory was 529.0MB in the beginning and 504.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-22 09:14:51,115 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.14ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 98.8MB in the end (delta: 25.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.78ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 120.7MB in the end (delta: -21.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.10ms. Allocated memory is still 155.2MB. Free memory was 120.7MB in the beginning and 111.5MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1013.85ms. Allocated memory was 155.2MB in the beginning and 293.6MB in the end (delta: 138.4MB). Free memory was 111.5MB in the beginning and 245.3MB in the end (delta: -133.8MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * TraceAbstraction took 17164.05ms. Allocated memory was 293.6MB in the beginning and 622.9MB in the end (delta: 329.3MB). Free memory was 245.3MB in the beginning and 529.0MB in the end (delta: -283.6MB). Peak memory consumption was 376.0MB. Max. memory is 16.1GB. * Witness Printer took 99.05ms. Allocated memory is still 622.9MB. Free memory was 529.0MB in the beginning and 504.9MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. 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: 79]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.1s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2142 SdHoareTripleChecker+Valid, 8.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2142 mSDsluCounter, 3110 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 284 mSDsCounter, 1460 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7585 IncrementalHoareTripleChecker+Invalid, 9045 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1460 mSolverCounterUnsat, 2826 mSDtfsCounter, 7585 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1018 GetRequests, 980 SyntacticMatches, 19 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9642occurred in iteration=10, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 1715 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 111 NumberOfFragments, 305 HoareAnnotationTreeSize, 3 FomulaSimplifications, 252 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2530 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 3910 NumberOfCodeBlocks, 3910 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 4386 ConstructedInterpolants, 19 QuantifiedInterpolants, 14493 SizeOfPredicates, 1 NumberOfNonLiveVariables, 669 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 3748/4560 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 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a25 == 12) && a4 == 0) || ((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a25 == 12) && a4 == 1)) || ((a25 <= 10 && a23 <= 138) && a4 == 1)) || ((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a25 <= 10) && a4 == 1)) || (((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a4 == 0) && a29 <= 220) && a25 == 10)) || ((a25 == 12 && a23 <= 138) && a4 == 1)) || ((a25 == 13 && 0 < 549143 + 5 * (a29 * 9 / 10 / 5)) && a4 == 1)) || ((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a4 == 0) && a23 <= 138)) || (a4 == 1 && !(a29 <= 140)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a25 == 12) && a4 == 0) || ((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a25 == 12) && a4 == 1)) || ((a25 <= 10 && a23 <= 138) && a4 == 1)) || ((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a25 <= 10) && a4 == 1)) || (((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a4 == 0) && a29 <= 220) && a25 == 10)) || ((a25 == 12 && a23 <= 138) && a4 == 1)) || ((a25 == 13 && 0 < 549143 + 5 * (a29 * 9 / 10 / 5)) && a4 == 1)) || ((0 < 549143 + 5 * (a29 * 9 / 10 / 5) && a4 == 0) && a23 <= 138)) || (a4 == 1 && !(a29 <= 140)) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-22 09:14:51,145 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