./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_label05.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 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:23:11,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:23:11,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:23:11,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:23:11,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:23:11,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:23:11,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:23:11,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:23:11,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:23:11,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:23:11,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:23:11,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:23:11,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:23:11,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:23:11,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:23:11,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:23:11,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:23:11,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:23:11,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:23:11,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:23:11,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:23:11,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:23:11,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:23:11,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:23:11,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:23:11,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:23:11,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:23:11,999 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:23:12,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:23:12,000 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:23:12,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:23:12,001 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:23:12,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:23:12,002 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:23:12,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:23:12,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:23:12,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:23:12,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:23:12,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:23:12,004 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:23:12,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:23:12,005 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:23:12,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:23:12,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:23:12,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:23:12,038 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:23:12,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:23:12,039 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:23:12,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:23:12,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:23:12,039 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:23:12,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:23:12,039 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:23:12,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:23:12,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:23:12,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:23:12,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:23:12,041 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:23:12,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:23:12,042 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:23:12,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6998e746c84ec80cbdf636f88f142c2942fd045c8cffd9bc8881e887e07cd119 [2021-12-17 04:23:12,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:23:12,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:23:12,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:23:12,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:23:12,422 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:23:12,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2021-12-17 04:23:12,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e9fdb79/b9e21992230648c3bb1abd13e5ee8f5a/FLAGb122b9a30 [2021-12-17 04:23:12,993 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:23:12,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label05.c [2021-12-17 04:23:13,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e9fdb79/b9e21992230648c3bb1abd13e5ee8f5a/FLAGb122b9a30 [2021-12-17 04:23:13,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26e9fdb79/b9e21992230648c3bb1abd13e5ee8f5a [2021-12-17 04:23:13,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:23:13,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:23:13,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:23:13,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:23:13,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:23:13,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:13,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b24f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13, skipping insertion in model container [2021-12-17 04:23:13,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:13,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:23:13,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:23:13,644 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_label05.c[9225,9238] [2021-12-17 04:23:13,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:23:13,777 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:23:13,807 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_label05.c[9225,9238] [2021-12-17 04:23:13,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:23:13,936 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:23:13,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13 WrapperNode [2021-12-17 04:23:13,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:23:13,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:23:13,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:23:13,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:23:13,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:13,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,052 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-17 04:23:14,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:23:14,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:23:14,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:23:14,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:23:14,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:23:14,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:23:14,174 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:23:14,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:23:14,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (1/1) ... [2021-12-17 04:23:14,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:23:14,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:14,199 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) [2021-12-17 04:23:14,219 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 [2021-12-17 04:23:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:23:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:23:14,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:23:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:23:14,313 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:23:14,314 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:23:15,290 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:23:15,301 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:23:15,302 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:23:15,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:23:15 BoogieIcfgContainer [2021-12-17 04:23:15,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:23:15,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:23:15,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:23:15,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:23:15,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:23:13" (1/3) ... [2021-12-17 04:23:15,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b658f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:23:15, skipping insertion in model container [2021-12-17 04:23:15,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:23:13" (2/3) ... [2021-12-17 04:23:15,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b658f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:23:15, skipping insertion in model container [2021-12-17 04:23:15,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:23:15" (3/3) ... [2021-12-17 04:23:15,311 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label05.c [2021-12-17 04:23:15,318 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:23:15,318 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:23:15,362 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:23:15,366 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 [2021-12-17 04:23:15,366 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:23:15,385 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) [2021-12-17 04:23:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-17 04:23:15,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:15,390 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:15,391 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:15,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:15,394 INFO L85 PathProgramCache]: Analyzing trace with hash -107486446, now seen corresponding path program 1 times [2021-12-17 04:23:15,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:15,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718763060] [2021-12-17 04:23:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:15,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:15,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:15,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:15,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:15,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718763060] [2021-12-17 04:23:15,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718763060] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:15,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:15,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:23:15,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644229930] [2021-12-17 04:23:15,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:15,637 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:15,637 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:15,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:15,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:15,672 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 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:16,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:16,477 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2021-12-17 04:23:16,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:16,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2021-12-17 04:23:16,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:16,490 INFO L225 Difference]: With dead ends: 776 [2021-12-17 04:23:16,491 INFO L226 Difference]: Without dead ends: 413 [2021-12-17 04:23:16,493 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 [2021-12-17 04:23:16,496 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 163 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:16,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 04:23:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-17 04:23:16,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411. [2021-12-17 04:23:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:16,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions. [2021-12-17 04:23:16,543 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 64 [2021-12-17 04:23:16,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:16,543 INFO L470 AbstractCegarLoop]: Abstraction has 411 states and 598 transitions. [2021-12-17 04:23:16,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 2 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:16,543 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions. [2021-12-17 04:23:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-17 04:23:16,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:16,547 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:23:16,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:23:16,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:16,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:16,548 INFO L85 PathProgramCache]: Analyzing trace with hash -355691958, now seen corresponding path program 1 times [2021-12-17 04:23:16,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:16,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235990129] [2021-12-17 04:23:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:16,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:16,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:16,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235990129] [2021-12-17 04:23:16,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235990129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:16,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:16,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:23:16,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362559893] [2021-12-17 04:23:16,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:16,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:16,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:16,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:16,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:16,649 INFO L87 Difference]: Start difference. First operand 411 states and 598 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:17,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:17,309 INFO L93 Difference]: Finished difference Result 1209 states and 1765 transitions. [2021-12-17 04:23:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:17,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-17 04:23:17,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:17,313 INFO L225 Difference]: With dead ends: 1209 [2021-12-17 04:23:17,313 INFO L226 Difference]: Without dead ends: 800 [2021-12-17 04:23:17,314 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 [2021-12-17 04:23:17,315 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 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 [2021-12-17 04:23:17,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:23:17,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-17 04:23:17,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787. [2021-12-17 04:23:17,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 786 states have (on average 1.3854961832061068) internal successors, (1089), 786 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:17,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1089 transitions. [2021-12-17 04:23:17,334 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1089 transitions. Word has length 132 [2021-12-17 04:23:17,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:17,334 INFO L470 AbstractCegarLoop]: Abstraction has 787 states and 1089 transitions. [2021-12-17 04:23:17,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:17,335 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1089 transitions. [2021-12-17 04:23:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-17 04:23:17,338 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:17,338 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:23:17,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:23:17,339 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:17,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:17,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1592760116, now seen corresponding path program 1 times [2021-12-17 04:23:17,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:17,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218848940] [2021-12-17 04:23:17,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:17,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:17,412 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:17,412 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:17,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218848940] [2021-12-17 04:23:17,412 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218848940] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:17,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:17,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:23:17,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210465979] [2021-12-17 04:23:17,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:17,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:17,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:17,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:17,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:17,414 INFO L87 Difference]: Start difference. First operand 787 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:17,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:17,940 INFO L93 Difference]: Finished difference Result 1941 states and 2630 transitions. [2021-12-17 04:23:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:17,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2021-12-17 04:23:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:17,944 INFO L225 Difference]: With dead ends: 1941 [2021-12-17 04:23:17,944 INFO L226 Difference]: Without dead ends: 1156 [2021-12-17 04:23:17,945 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 [2021-12-17 04:23:17,946 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 120 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:17,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 193 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:23:17,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2021-12-17 04:23:17,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2021-12-17 04:23:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1155 states have (on average 1.277922077922078) internal successors, (1476), 1155 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:17,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1476 transitions. [2021-12-17 04:23:17,982 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1476 transitions. Word has length 133 [2021-12-17 04:23:17,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:17,982 INFO L470 AbstractCegarLoop]: Abstraction has 1156 states and 1476 transitions. [2021-12-17 04:23:17,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:17,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1476 transitions. [2021-12-17 04:23:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-17 04:23:17,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:17,986 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:23:17,986 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:23:17,987 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:17,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:17,987 INFO L85 PathProgramCache]: Analyzing trace with hash 640237838, now seen corresponding path program 1 times [2021-12-17 04:23:17,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:17,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080050583] [2021-12-17 04:23:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:17,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:18,107 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:18,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:18,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080050583] [2021-12-17 04:23:18,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080050583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:18,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:18,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:18,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216312362] [2021-12-17 04:23:18,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:18,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:18,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:18,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:18,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:18,109 INFO L87 Difference]: Start difference. First operand 1156 states and 1476 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:18,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:18,771 INFO L93 Difference]: Finished difference Result 2877 states and 3707 transitions. [2021-12-17 04:23:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:18,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 176 [2021-12-17 04:23:18,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:18,778 INFO L225 Difference]: With dead ends: 2877 [2021-12-17 04:23:18,778 INFO L226 Difference]: Without dead ends: 1723 [2021-12-17 04:23:18,780 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 [2021-12-17 04:23:18,782 INFO L933 BasicCegarLoop]: 313 mSDtfsCounter, 142 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:18,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 334 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:23:18,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2021-12-17 04:23:18,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1529. [2021-12-17 04:23:18,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1529 states, 1528 states have (on average 1.2611256544502618) internal successors, (1927), 1528 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1529 states and 1927 transitions. [2021-12-17 04:23:18,836 INFO L78 Accepts]: Start accepts. Automaton has 1529 states and 1927 transitions. Word has length 176 [2021-12-17 04:23:18,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:18,852 INFO L470 AbstractCegarLoop]: Abstraction has 1529 states and 1927 transitions. [2021-12-17 04:23:18,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:18,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1927 transitions. [2021-12-17 04:23:18,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-17 04:23:18,855 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:18,855 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:18,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:23:18,856 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:18,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:18,858 INFO L85 PathProgramCache]: Analyzing trace with hash 836303945, now seen corresponding path program 1 times [2021-12-17 04:23:18,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:18,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057915414] [2021-12-17 04:23:18,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:18,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:19,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:19,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057915414] [2021-12-17 04:23:19,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057915414] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:19,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:19,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:19,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131568312] [2021-12-17 04:23:19,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:19,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:19,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:19,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:19,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:19,081 INFO L87 Difference]: Start difference. First operand 1529 states and 1927 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:19,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:19,730 INFO L93 Difference]: Finished difference Result 3617 states and 4543 transitions. [2021-12-17 04:23:19,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:19,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 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 207 [2021-12-17 04:23:19,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:19,736 INFO L225 Difference]: With dead ends: 3617 [2021-12-17 04:23:19,736 INFO L226 Difference]: Without dead ends: 1906 [2021-12-17 04:23:19,737 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 [2021-12-17 04:23:19,742 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 138 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:19,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 347 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:23:19,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1906 states. [2021-12-17 04:23:19,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1906 to 1897. [2021-12-17 04:23:19,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1897 states, 1896 states have (on average 1.246308016877637) internal successors, (2363), 1896 states have internal predecessors, (2363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1897 states and 2363 transitions. [2021-12-17 04:23:19,766 INFO L78 Accepts]: Start accepts. Automaton has 1897 states and 2363 transitions. Word has length 207 [2021-12-17 04:23:19,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:19,768 INFO L470 AbstractCegarLoop]: Abstraction has 1897 states and 2363 transitions. [2021-12-17 04:23:19,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:19,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2363 transitions. [2021-12-17 04:23:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-17 04:23:19,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:19,773 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:19,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:23:19,774 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:19,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:19,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1026494873, now seen corresponding path program 1 times [2021-12-17 04:23:19,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:19,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656362319] [2021-12-17 04:23:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:19,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-17 04:23:19,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:19,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656362319] [2021-12-17 04:23:19,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656362319] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:19,914 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:19,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:23:19,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750575272] [2021-12-17 04:23:19,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:19,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:19,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:19,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:19,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:19,917 INFO L87 Difference]: Start difference. First operand 1897 states and 2363 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 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) [2021-12-17 04:23:20,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:20,494 INFO L93 Difference]: Finished difference Result 4904 states and 6161 transitions. [2021-12-17 04:23:20,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:20,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 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 245 [2021-12-17 04:23:20,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:20,503 INFO L225 Difference]: With dead ends: 4904 [2021-12-17 04:23:20,503 INFO L226 Difference]: Without dead ends: 3009 [2021-12-17 04:23:20,506 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 [2021-12-17 04:23:20,508 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 39 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:20,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 155 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:23:20,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2021-12-17 04:23:20,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 3008. [2021-12-17 04:23:20,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3008 states, 3007 states have (on average 1.2038576654472897) internal successors, (3620), 3007 states have internal predecessors, (3620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 3008 states and 3620 transitions. [2021-12-17 04:23:20,554 INFO L78 Accepts]: Start accepts. Automaton has 3008 states and 3620 transitions. Word has length 245 [2021-12-17 04:23:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:20,555 INFO L470 AbstractCegarLoop]: Abstraction has 3008 states and 3620 transitions. [2021-12-17 04:23:20,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 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) [2021-12-17 04:23:20,555 INFO L276 IsEmpty]: Start isEmpty. Operand 3008 states and 3620 transitions. [2021-12-17 04:23:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-12-17 04:23:20,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:20,557 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:20,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:23:20,558 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:20,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:20,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1579189985, now seen corresponding path program 1 times [2021-12-17 04:23:20,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:20,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359342724] [2021-12-17 04:23:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:20,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-17 04:23:20,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:20,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359342724] [2021-12-17 04:23:20,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359342724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:20,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:20,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:20,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101465886] [2021-12-17 04:23:20,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:20,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:20,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:20,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:20,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:20,650 INFO L87 Difference]: Start difference. First operand 3008 states and 3620 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:21,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:21,282 INFO L93 Difference]: Finished difference Result 6759 states and 8218 transitions. [2021-12-17 04:23:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:21,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 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 246 [2021-12-17 04:23:21,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:21,292 INFO L225 Difference]: With dead ends: 6759 [2021-12-17 04:23:21,292 INFO L226 Difference]: Without dead ends: 3753 [2021-12-17 04:23:21,295 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 [2021-12-17 04:23:21,296 INFO L933 BasicCegarLoop]: 359 mSDtfsCounter, 133 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:21,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 380 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:23:21,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3753 states. [2021-12-17 04:23:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3753 to 3560. [2021-12-17 04:23:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3560 states, 3559 states have (on average 1.1989322843495365) internal successors, (4267), 3559 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:21,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3560 states to 3560 states and 4267 transitions. [2021-12-17 04:23:21,343 INFO L78 Accepts]: Start accepts. Automaton has 3560 states and 4267 transitions. Word has length 246 [2021-12-17 04:23:21,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:21,343 INFO L470 AbstractCegarLoop]: Abstraction has 3560 states and 4267 transitions. [2021-12-17 04:23:21,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:21,343 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4267 transitions. [2021-12-17 04:23:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-12-17 04:23:21,346 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:21,347 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:21,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:23:21,347 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:21,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:21,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1141889263, now seen corresponding path program 1 times [2021-12-17 04:23:21,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:21,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766675833] [2021-12-17 04:23:21,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:21,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:21,451 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:21,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766675833] [2021-12-17 04:23:21,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766675833] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:21,452 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:21,452 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:23:21,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605347371] [2021-12-17 04:23:21,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:21,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:23:21,453 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:21,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:23:21,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:21,454 INFO L87 Difference]: Start difference. First operand 3560 states and 4267 transitions. Second operand has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:22,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:22,495 INFO L93 Difference]: Finished difference Result 11018 states and 13449 transitions. [2021-12-17 04:23:22,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:23:22,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 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 266 [2021-12-17 04:23:22,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:22,514 INFO L225 Difference]: With dead ends: 11018 [2021-12-17 04:23:22,514 INFO L226 Difference]: Without dead ends: 7460 [2021-12-17 04:23:22,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:22,519 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 270 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1238 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:22,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 230 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:23:22,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7460 states. [2021-12-17 04:23:22,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7460 to 6158. [2021-12-17 04:23:22,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6158 states, 6157 states have (on average 1.194250446646094) internal successors, (7353), 6157 states have internal predecessors, (7353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:22,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6158 states to 6158 states and 7353 transitions. [2021-12-17 04:23:22,628 INFO L78 Accepts]: Start accepts. Automaton has 6158 states and 7353 transitions. Word has length 266 [2021-12-17 04:23:22,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:22,629 INFO L470 AbstractCegarLoop]: Abstraction has 6158 states and 7353 transitions. [2021-12-17 04:23:22,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 66.5) internal successors, (266), 4 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 6158 states and 7353 transitions. [2021-12-17 04:23:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-17 04:23:22,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:22,634 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:22,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:23:22,635 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:22,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:22,636 INFO L85 PathProgramCache]: Analyzing trace with hash 726597686, now seen corresponding path program 1 times [2021-12-17 04:23:22,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:22,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034104328] [2021-12-17 04:23:22,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:22,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:22,739 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:22,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034104328] [2021-12-17 04:23:22,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034104328] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:22,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:22,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 04:23:22,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645769777] [2021-12-17 04:23:22,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:22,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:23:22,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:22,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:23:22,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:22,741 INFO L87 Difference]: Start difference. First operand 6158 states and 7353 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:23,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:23,798 INFO L93 Difference]: Finished difference Result 15825 states and 19198 transitions. [2021-12-17 04:23:23,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:23:23,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2021-12-17 04:23:23,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:23,823 INFO L225 Difference]: With dead ends: 15825 [2021-12-17 04:23:23,824 INFO L226 Difference]: Without dead ends: 9669 [2021-12-17 04:23:23,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:23,829 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 279 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 1325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:23,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 131 Invalid, 1325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:23:23,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9669 states. [2021-12-17 04:23:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9669 to 9291. [2021-12-17 04:23:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9291 states, 9290 states have (on average 1.1996770721205599) internal successors, (11145), 9290 states have internal predecessors, (11145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:23,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9291 states to 9291 states and 11145 transitions. [2021-12-17 04:23:23,932 INFO L78 Accepts]: Start accepts. Automaton has 9291 states and 11145 transitions. Word has length 276 [2021-12-17 04:23:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:23,932 INFO L470 AbstractCegarLoop]: Abstraction has 9291 states and 11145 transitions. [2021-12-17 04:23:23,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 4 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 9291 states and 11145 transitions. [2021-12-17 04:23:23,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-12-17 04:23:23,937 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:23,937 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:23,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:23:23,938 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:23,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:23,938 INFO L85 PathProgramCache]: Analyzing trace with hash -979897873, now seen corresponding path program 1 times [2021-12-17 04:23:23,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:23,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281961437] [2021-12-17 04:23:23,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:23,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:24,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:24,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281961437] [2021-12-17 04:23:24,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281961437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:24,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:24,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:24,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907846688] [2021-12-17 04:23:24,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:24,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:23:24,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:24,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:23:24,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:24,007 INFO L87 Difference]: Start difference. First operand 9291 states and 11145 transitions. Second operand has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:25,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:25,064 INFO L93 Difference]: Finished difference Result 27451 states and 33265 transitions. [2021-12-17 04:23:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:23:25,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 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 276 [2021-12-17 04:23:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:25,093 INFO L225 Difference]: With dead ends: 27451 [2021-12-17 04:23:25,094 INFO L226 Difference]: Without dead ends: 18162 [2021-12-17 04:23:25,104 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:25,105 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 272 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:25,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [272 Valid, 92 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:23:25,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18162 states. [2021-12-17 04:23:25,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18162 to 18159. [2021-12-17 04:23:25,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18159 states, 18158 states have (on average 1.2011785438924991) internal successors, (21811), 18158 states have internal predecessors, (21811), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18159 states to 18159 states and 21811 transitions. [2021-12-17 04:23:25,371 INFO L78 Accepts]: Start accepts. Automaton has 18159 states and 21811 transitions. Word has length 276 [2021-12-17 04:23:25,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:25,371 INFO L470 AbstractCegarLoop]: Abstraction has 18159 states and 21811 transitions. [2021-12-17 04:23:25,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:25,371 INFO L276 IsEmpty]: Start isEmpty. Operand 18159 states and 21811 transitions. [2021-12-17 04:23:25,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-17 04:23:25,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:25,376 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:25,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 04:23:25,377 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:25,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:25,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1197973930, now seen corresponding path program 1 times [2021-12-17 04:23:25,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:25,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886158815] [2021-12-17 04:23:25,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:25,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 197 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:25,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:25,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886158815] [2021-12-17 04:23:25,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886158815] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:23:25,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400587068] [2021-12-17 04:23:25,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:25,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:25,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:25,539 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) [2021-12-17 04:23:25,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 04:23:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:25,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-17 04:23:25,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:23:26,869 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:26,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:23:28,187 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 74 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:28,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400587068] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:23:28,188 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:23:28,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2021-12-17 04:23:28,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485559680] [2021-12-17 04:23:28,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:23:28,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 04:23:28,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:28,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 04:23:28,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-12-17 04:23:28,190 INFO L87 Difference]: Start difference. First operand 18159 states and 21811 transitions. Second operand has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:31,017 INFO L93 Difference]: Finished difference Result 41072 states and 49798 transitions. [2021-12-17 04:23:31,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-17 04:23:31,018 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 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 278 [2021-12-17 04:23:31,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:31,052 INFO L225 Difference]: With dead ends: 41072 [2021-12-17 04:23:31,052 INFO L226 Difference]: Without dead ends: 23259 [2021-12-17 04:23:31,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 566 GetRequests, 550 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-12-17 04:23:31,067 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 2455 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 1181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2455 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 4683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1181 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:31,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2455 Valid, 120 Invalid, 4683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1181 Valid, 3502 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-17 04:23:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23259 states. [2021-12-17 04:23:31,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23259 to 21434. [2021-12-17 04:23:31,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21434 states, 21433 states have (on average 1.1531283534736154) internal successors, (24715), 21433 states have internal predecessors, (24715), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:31,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21434 states to 21434 states and 24715 transitions. [2021-12-17 04:23:31,346 INFO L78 Accepts]: Start accepts. Automaton has 21434 states and 24715 transitions. Word has length 278 [2021-12-17 04:23:31,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:31,346 INFO L470 AbstractCegarLoop]: Abstraction has 21434 states and 24715 transitions. [2021-12-17 04:23:31,347 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 45.81818181818182) internal successors, (504), 10 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 21434 states and 24715 transitions. [2021-12-17 04:23:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-17 04:23:31,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:31,352 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:31,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 04:23:31,569 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,SelfDestructingSolverStorable10 [2021-12-17 04:23:31,570 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:31,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:31,571 INFO L85 PathProgramCache]: Analyzing trace with hash -927901590, now seen corresponding path program 1 times [2021-12-17 04:23:31,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:31,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194713540] [2021-12-17 04:23:31,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:31,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 212 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:31,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:31,780 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194713540] [2021-12-17 04:23:31,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194713540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:31,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:31,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:31,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656132777] [2021-12-17 04:23:31,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:31,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:23:31,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:31,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:23:31,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:31,782 INFO L87 Difference]: Start difference. First operand 21434 states and 24715 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:32,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:32,884 INFO L93 Difference]: Finished difference Result 45432 states and 52500 transitions. [2021-12-17 04:23:32,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:23:32,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 297 [2021-12-17 04:23:32,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:32,916 INFO L225 Difference]: With dead ends: 45432 [2021-12-17 04:23:32,916 INFO L226 Difference]: Without dead ends: 23815 [2021-12-17 04:23:32,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:32,935 INFO L933 BasicCegarLoop]: 118 mSDtfsCounter, 182 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:32,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 159 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-17 04:23:33,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23815 states. [2021-12-17 04:23:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23815 to 21413. [2021-12-17 04:23:33,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21413 states, 21412 states have (on average 1.1090042966560807) internal successors, (23746), 21412 states have internal predecessors, (23746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:33,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21413 states to 21413 states and 23746 transitions. [2021-12-17 04:23:33,298 INFO L78 Accepts]: Start accepts. Automaton has 21413 states and 23746 transitions. Word has length 297 [2021-12-17 04:23:33,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:33,299 INFO L470 AbstractCegarLoop]: Abstraction has 21413 states and 23746 transitions. [2021-12-17 04:23:33,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:33,299 INFO L276 IsEmpty]: Start isEmpty. Operand 21413 states and 23746 transitions. [2021-12-17 04:23:33,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-12-17 04:23:33,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:33,360 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:33,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 04:23:33,360 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:33,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:33,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2007425143, now seen corresponding path program 1 times [2021-12-17 04:23:33,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:33,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454079377] [2021-12-17 04:23:33,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:33,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:33,565 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 199 proven. 160 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-17 04:23:33,566 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:33,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454079377] [2021-12-17 04:23:33,566 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454079377] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:23:33,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300805477] [2021-12-17 04:23:33,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:33,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:33,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:23:33,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 04:23:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:33,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 04:23:33,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:23:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-17 04:23:34,483 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:23:34,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300805477] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:34,484 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:23:34,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2021-12-17 04:23:34,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119743798] [2021-12-17 04:23:34,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:34,485 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:23:34,485 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:34,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:23:34,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:23:34,485 INFO L87 Difference]: Start difference. First operand 21413 states and 23746 transitions. Second operand has 4 states, 4 states have (on average 67.0) 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) [2021-12-17 04:23:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:35,185 INFO L93 Difference]: Finished difference Result 40067 states and 44488 transitions. [2021-12-17 04:23:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:23:35,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 67.0) 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 351 [2021-12-17 04:23:35,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:35,217 INFO L225 Difference]: With dead ends: 40067 [2021-12-17 04:23:35,217 INFO L226 Difference]: Without dead ends: 21786 [2021-12-17 04:23:35,232 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:23:35,233 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 186 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:35,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 165 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:23:35,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21786 states. [2021-12-17 04:23:35,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21786 to 20309. [2021-12-17 04:23:35,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20309 states, 20308 states have (on average 1.1097104589324405) internal successors, (22536), 20308 states have internal predecessors, (22536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20309 states to 20309 states and 22536 transitions. [2021-12-17 04:23:35,487 INFO L78 Accepts]: Start accepts. Automaton has 20309 states and 22536 transitions. Word has length 351 [2021-12-17 04:23:35,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:35,488 INFO L470 AbstractCegarLoop]: Abstraction has 20309 states and 22536 transitions. [2021-12-17 04:23:35,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 67.0) 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) [2021-12-17 04:23:35,488 INFO L276 IsEmpty]: Start isEmpty. Operand 20309 states and 22536 transitions. [2021-12-17 04:23:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2021-12-17 04:23:35,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:35,497 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:35,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 04:23:35,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-12-17 04:23:35,715 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:35,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash -199405277, now seen corresponding path program 1 times [2021-12-17 04:23:35,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:35,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485425100] [2021-12-17 04:23:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:35,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:35,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:35,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485425100] [2021-12-17 04:23:35,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485425100] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:23:35,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2046920276] [2021-12-17 04:23:35,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:35,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:35,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:23:35,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 04:23:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:35,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 04:23:35,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:23:36,615 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:36,615 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:23:38,001 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 123 proven. 124 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:38,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2046920276] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:23:38,002 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:23:38,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 9 [2021-12-17 04:23:38,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443059746] [2021-12-17 04:23:38,003 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:23:38,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-17 04:23:38,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:38,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-17 04:23:38,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:23:38,004 INFO L87 Difference]: Start difference. First operand 20309 states and 22536 transitions. Second operand has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:40,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:40,942 INFO L93 Difference]: Finished difference Result 54439 states and 60208 transitions. [2021-12-17 04:23:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 04:23:40,943 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 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 362 [2021-12-17 04:23:40,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:40,991 INFO L225 Difference]: With dead ends: 54439 [2021-12-17 04:23:40,992 INFO L226 Difference]: Without dead ends: 36341 [2021-12-17 04:23:41,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 718 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2021-12-17 04:23:41,010 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 1126 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 3603 mSolverCounterSat, 517 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 517 IncrementalHoareTripleChecker+Valid, 3603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:41,010 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 154 Invalid, 4120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [517 Valid, 3603 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-17 04:23:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36341 states. [2021-12-17 04:23:41,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36341 to 32650. [2021-12-17 04:23:41,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32650 states, 32649 states have (on average 1.1003399797849858) internal successors, (35925), 32649 states have internal predecessors, (35925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:41,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32650 states to 32650 states and 35925 transitions. [2021-12-17 04:23:41,380 INFO L78 Accepts]: Start accepts. Automaton has 32650 states and 35925 transitions. Word has length 362 [2021-12-17 04:23:41,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:41,380 INFO L470 AbstractCegarLoop]: Abstraction has 32650 states and 35925 transitions. [2021-12-17 04:23:41,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 78.8) internal successors, (788), 9 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 32650 states and 35925 transitions. [2021-12-17 04:23:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-17 04:23:41,389 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:41,390 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:41,407 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 04:23:41,593 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:41,593 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:41,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash -664639836, now seen corresponding path program 1 times [2021-12-17 04:23:41,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:41,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096887649] [2021-12-17 04:23:41,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:41,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:41,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:41,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096887649] [2021-12-17 04:23:41,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096887649] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:23:41,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254756763] [2021-12-17 04:23:41,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:41,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:41,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:41,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:23:41,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 04:23:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:41,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 04:23:41,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:23:46,958 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 96 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:46,958 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:23:48,767 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 370 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:48,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254756763] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:23:48,767 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:23:48,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2021-12-17 04:23:48,767 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523153143] [2021-12-17 04:23:48,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:23:48,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-17 04:23:48,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:48,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-17 04:23:48,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2021-12-17 04:23:48,769 INFO L87 Difference]: Start difference. First operand 32650 states and 35925 transitions. Second operand has 12 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:53,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:53,037 INFO L93 Difference]: Finished difference Result 85564 states and 94070 transitions. [2021-12-17 04:23:53,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 04:23:53,037 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 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 373 [2021-12-17 04:23:53,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:53,148 INFO L225 Difference]: With dead ends: 85564 [2021-12-17 04:23:53,149 INFO L226 Difference]: Without dead ends: 52916 [2021-12-17 04:23:53,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 746 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=223, Unknown=0, NotChecked=0, Total=342 [2021-12-17 04:23:53,204 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 2554 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 4155 mSolverCounterSat, 871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2554 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 8463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 871 IncrementalHoareTripleChecker+Valid, 4155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3437 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:53,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2554 Valid, 224 Invalid, 8463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [871 Valid, 4155 Invalid, 0 Unknown, 3437 Unchecked, 3.7s Time] [2021-12-17 04:23:53,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52916 states. [2021-12-17 04:23:53,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52916 to 39638. [2021-12-17 04:23:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39638 states, 39637 states have (on average 1.0943058253651892) internal successors, (43375), 39637 states have internal predecessors, (43375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:53,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39638 states to 39638 states and 43375 transitions. [2021-12-17 04:23:53,760 INFO L78 Accepts]: Start accepts. Automaton has 39638 states and 43375 transitions. Word has length 373 [2021-12-17 04:23:53,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:53,760 INFO L470 AbstractCegarLoop]: Abstraction has 39638 states and 43375 transitions. [2021-12-17 04:23:53,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 82.91666666666667) internal successors, (995), 12 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 39638 states and 43375 transitions. [2021-12-17 04:23:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-12-17 04:23:53,778 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:53,779 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-17 04:23:53,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 04:23:53,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-17 04:23:53,996 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:53,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:53,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1305459429, now seen corresponding path program 1 times [2021-12-17 04:23:53,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:53,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797246481] [2021-12-17 04:23:53,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:53,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:54,144 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:54,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:54,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797246481] [2021-12-17 04:23:54,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797246481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:54,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:54,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 04:23:54,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946940774] [2021-12-17 04:23:54,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:54,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:23:54,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:54,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:23:54,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:23:54,147 INFO L87 Difference]: Start difference. First operand 39638 states and 43375 transitions. Second operand has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:55,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:55,533 INFO L93 Difference]: Finished difference Result 83332 states and 91152 transitions. [2021-12-17 04:23:55,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:23:55,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 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 459 [2021-12-17 04:23:55,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:55,582 INFO L225 Difference]: With dead ends: 83332 [2021-12-17 04:23:55,582 INFO L226 Difference]: Without dead ends: 46460 [2021-12-17 04:23:55,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:23:55,607 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 339 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:55,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [339 Valid, 77 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-17 04:23:55,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46460 states. [2021-12-17 04:23:56,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46460 to 38350. [2021-12-17 04:23:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38350 states, 38349 states have (on average 1.091918954861926) internal successors, (41874), 38349 states have internal predecessors, (41874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38350 states to 38350 states and 41874 transitions. [2021-12-17 04:23:56,239 INFO L78 Accepts]: Start accepts. Automaton has 38350 states and 41874 transitions. Word has length 459 [2021-12-17 04:23:56,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:56,239 INFO L470 AbstractCegarLoop]: Abstraction has 38350 states and 41874 transitions. [2021-12-17 04:23:56,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.8) internal successors, (459), 5 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 38350 states and 41874 transitions. [2021-12-17 04:23:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-12-17 04:23:56,262 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:56,262 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:56,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 04:23:56,262 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:56,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1740531119, now seen corresponding path program 1 times [2021-12-17 04:23:56,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:56,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036622508] [2021-12-17 04:23:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:56,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 849 backedges. 745 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-12-17 04:23:56,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:56,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036622508] [2021-12-17 04:23:56,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036622508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:56,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:56,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 04:23:56,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81979632] [2021-12-17 04:23:56,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:56,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 04:23:56,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 04:23:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:23:56,411 INFO L87 Difference]: Start difference. First operand 38350 states and 41874 transitions. Second operand has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:57,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:57,556 INFO L93 Difference]: Finished difference Result 76704 states and 83764 transitions. [2021-12-17 04:23:57,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:23:57,557 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 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 548 [2021-12-17 04:23:57,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:57,601 INFO L225 Difference]: With dead ends: 76704 [2021-12-17 04:23:57,602 INFO L226 Difference]: Without dead ends: 40936 [2021-12-17 04:23:57,624 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:23:57,624 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 325 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:57,625 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 72 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:23:57,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40936 states. [2021-12-17 04:23:57,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40936 to 34302. [2021-12-17 04:23:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34302 states, 34301 states have (on average 1.0932625870965862) internal successors, (37500), 34301 states have internal predecessors, (37500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:58,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34302 states to 34302 states and 37500 transitions. [2021-12-17 04:23:58,017 INFO L78 Accepts]: Start accepts. Automaton has 34302 states and 37500 transitions. Word has length 548 [2021-12-17 04:23:58,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:58,018 INFO L470 AbstractCegarLoop]: Abstraction has 34302 states and 37500 transitions. [2021-12-17 04:23:58,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 89.0) internal successors, (445), 5 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:23:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34302 states and 37500 transitions. [2021-12-17 04:23:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2021-12-17 04:23:58,056 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:58,057 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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] [2021-12-17 04:23:58,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 04:23:58,057 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:58,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:58,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1514900571, now seen corresponding path program 1 times [2021-12-17 04:23:58,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:58,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683474230] [2021-12-17 04:23:58,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:58,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 557 proven. 651 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-12-17 04:23:58,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:58,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683474230] [2021-12-17 04:23:58,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683474230] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:23:58,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237667688] [2021-12-17 04:23:58,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:58,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:58,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:58,452 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:23:58,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 04:23:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:58,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-17 04:23:58,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:23:59,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 888 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-17 04:23:59,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:23:59,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237667688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:59,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:23:59,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-12-17 04:23:59,582 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220409739] [2021-12-17 04:23:59,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:59,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:59,582 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:59,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:59,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:23:59,583 INFO L87 Difference]: Start difference. First operand 34302 states and 37500 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:00,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:00,172 INFO L93 Difference]: Finished difference Result 66946 states and 73180 transitions. [2021-12-17 04:24:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:24:00,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 693 [2021-12-17 04:24:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:00,210 INFO L225 Difference]: With dead ends: 66946 [2021-12-17 04:24:00,210 INFO L226 Difference]: Without dead ends: 35042 [2021-12-17 04:24:00,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 694 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:24:00,230 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 125 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 458 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:00,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 129 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 458 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:24:00,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35042 states. [2021-12-17 04:24:00,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35042 to 26570. [2021-12-17 04:24:00,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26570 states, 26569 states have (on average 1.0914223342993714) internal successors, (28998), 26569 states have internal predecessors, (28998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26570 states to 26570 states and 28998 transitions. [2021-12-17 04:24:00,538 INFO L78 Accepts]: Start accepts. Automaton has 26570 states and 28998 transitions. Word has length 693 [2021-12-17 04:24:00,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:00,538 INFO L470 AbstractCegarLoop]: Abstraction has 26570 states and 28998 transitions. [2021-12-17 04:24:00,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 26570 states and 28998 transitions. [2021-12-17 04:24:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 706 [2021-12-17 04:24:00,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:24:00,570 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:00,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 04:24:00,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-17 04:24:00,786 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:24:00,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:24:00,786 INFO L85 PathProgramCache]: Analyzing trace with hash -203478354, now seen corresponding path program 1 times [2021-12-17 04:24:00,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:24:00,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051381491] [2021-12-17 04:24:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:24:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:01,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 186 proven. 942 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:01,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:24:01,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051381491] [2021-12-17 04:24:01,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051381491] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:24:01,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461477754] [2021-12-17 04:24:01,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:24:01,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:01,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:24:01,055 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:24:01,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 04:24:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:24:01,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-17 04:24:01,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:24:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 62 proven. 1066 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:24:02,326 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:24:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 771 proven. 233 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-17 04:24:06,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461477754] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 04:24:06,357 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 04:24:06,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 17 [2021-12-17 04:24:06,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990702379] [2021-12-17 04:24:06,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 04:24:06,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-12-17 04:24:06,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:24:06,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-12-17 04:24:06,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-17 04:24:06,360 INFO L87 Difference]: Start difference. First operand 26570 states and 28998 transitions. Second operand has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:12,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:24:12,361 INFO L93 Difference]: Finished difference Result 79875 states and 87232 transitions. [2021-12-17 04:24:12,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-17 04:24:12,362 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 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 705 [2021-12-17 04:24:12,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:24:12,363 INFO L225 Difference]: With dead ends: 79875 [2021-12-17 04:24:12,363 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:24:12,388 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1434 GetRequests, 1409 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=212, Invalid=490, Unknown=0, NotChecked=0, Total=702 [2021-12-17 04:24:12,388 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 4432 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 7584 mSolverCounterSat, 1385 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 8969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1385 IncrementalHoareTripleChecker+Valid, 7584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:24:12,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4432 Valid, 291 Invalid, 8969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1385 Valid, 7584 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-17 04:24:12,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:24:12,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:24:12,389 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) [2021-12-17 04:24:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:24:12,389 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 705 [2021-12-17 04:24:12,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:24:12,390 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:24:12,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 117.05882352941177) internal successors, (1990), 17 states have internal predecessors, (1990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:24:12,390 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:24:12,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:24:12,392 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:24:12,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-17 04:24:12,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:24:12,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:24:28,411 WARN L227 SmtUtils]: Spent 15.80s on a formula simplification. DAG size of input: 1173 DAG size of output: 1088 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:24:43,986 WARN L227 SmtUtils]: Spent 15.57s on a formula simplification. DAG size of input: 1170 DAG size of output: 1085 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-17 04:24:50,951 WARN L227 SmtUtils]: Spent 6.96s on a formula simplification. DAG size of input: 1088 DAG size of output: 153 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:24:58,660 WARN L227 SmtUtils]: Spent 7.70s on a formula simplification. DAG size of input: 1085 DAG size of output: 153 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,664 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,665 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse37 (+ ~a23~0 43)) (.cse34 (div (* ~a23~0 (- 2)) 10))) (let ((.cse33 (div .cse34 5)) (.cse35 (div ~a23~0 5)) (.cse36 (+ ~a23~0 599772)) (.cse9 (< 0 .cse37)) (.cse15 (= 1 ~a4~0)) (.cse16 (<= 141 ~a29~0)) (.cse17 (not (= |ULTIMATE.start_calculate_output_~input#1| 1)))) (let ((.cse2 (= ~a25~0 12)) (.cse3 (or .cse9 .cse15 .cse16 .cse17)) (.cse8 (<= ~a29~0 220)) (.cse25 (<= 130 ~a29~0)) (.cse4 (<= 0 .cse36)) (.cse0 (<= ~a29~0 275)) (.cse7 (<= ~a29~0 140)) (.cse18 (<= 0 (+ ~a23~0 386869))) (.cse22 (<= .cse37 0)) (.cse13 (<= .cse36 0)) (.cse32 (< 245 ~a29~0)) (.cse12 (<= ~a25~0 9)) (.cse26 (or (= 12 ~a25~0) (= 13 ~a25~0))) (.cse28 (= 1 ~a3~0)) (.cse27 (<= (+ ~a29~0 22) 0)) (.cse14 (<= 0 (+ (div (+ ~a23~0 (- 600085)) 5) 301942))) (.cse30 (< 0 (+ .cse35 301943))) (.cse21 (<= 214883 ~a29~0)) (.cse1 (<= ~a23~0 312)) (.cse29 (<= ~a29~0 599998)) (.cse23 (= ~a25~0 11)) (.cse31 (or (< 0 (+ .cse35 301942)) (not (= 0 (mod ~a23~0 5))))) (.cse10 (<= ~a25~0 10)) (.cse19 (<= 0 (+ (div (+ .cse33 (- 379592)) 5) 301942))) (.cse5 (= ~a3~0 1)) (.cse20 (or (<= 0 (+ (div (+ .cse33 (- 379593)) 5) 301942)) (not (= 0 (mod .cse34 5))) (not (= 0 (mod (* ~a23~0 8) 10))))) (.cse24 (<= ~a29~0 599999)) (.cse6 (= ~a8~0 15)) (.cse11 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse9 .cse10 .cse5 .cse6) (and (<= ~a29~0 130) .cse11 .cse12) (and .cse0 .cse13 .cse2 .cse5 .cse14 .cse6 (or .cse15 .cse16 .cse17)) (and .cse0 .cse2 .cse18 .cse3 .cse5 .cse19 .cse20 .cse6) (and (= ~a25~0 10) .cse21 .cse5 .cse22 .cse11 .cse6) (and .cse21 .cse23 .cse19 .cse5 .cse20 .cse6 .cse11 .cse14 .cse24) (and (< 181944 ~a23~0) .cse8 .cse25 .cse23 .cse19 .cse5 .cse20 .cse11 .cse6) (and (or (and .cse21 .cse1 .cse23 .cse5 .cse6 .cse11) (and .cse21 .cse5 .cse11 .cse12 .cse6)) .cse4 .cse22) (and .cse26 .cse27 .cse1 .cse9 .cse28 .cse6) (and .cse7 .cse8 .cse1 .cse4 .cse10 .cse5 .cse6 .cse11) (and .cse1 .cse29 .cse23 .cse9 .cse5 .cse6 .cse11) (and .cse30 .cse1 .cse29 .cse31 .cse5 .cse32 .cse12 .cse6) (and .cse27 .cse1 .cse23 .cse5 .cse6 .cse14) (and .cse26 .cse0 .cse1 .cse25 .cse28 .cse6 .cse11) (and .cse1 .cse29 .cse4 .cse23 .cse5 .cse32 .cse6) (and (<= 312 ~a23~0) .cse29 .cse23 .cse19 .cse5 .cse20 .cse32 .cse11 .cse6) (and .cse26 .cse30 .cse0 .cse1 .cse31 .cse32 .cse28 .cse6) (and .cse7 .cse18 .cse23 .cse5 .cse22 .cse6) (and .cse13 .cse5 .cse32 .cse11 .cse12 .cse6) (and .cse26 .cse29 .cse9 .cse19 .cse20 .cse28 .cse11 .cse6) (and .cse27 .cse10 .cse5 .cse19 .cse20 .cse6 .cse14) (and .cse30 .cse21 .cse1 .cse29 .cse23 .cse31 .cse5 .cse6 .cse11) (and .cse9 .cse10 .cse19 .cse5 .cse20 .cse24 .cse6 .cse11))))) [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,666 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-17 04:24:58,667 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse37 (+ ~a23~0 43)) (.cse34 (div (* ~a23~0 (- 2)) 10))) (let ((.cse33 (div .cse34 5)) (.cse35 (div ~a23~0 5)) (.cse36 (+ ~a23~0 599772)) (.cse9 (< 0 .cse37)) (.cse15 (= 1 ~a4~0)) (.cse16 (<= 141 ~a29~0)) (.cse17 (not (= |ULTIMATE.start_calculate_output_~input#1| 1)))) (let ((.cse2 (= ~a25~0 12)) (.cse3 (or .cse9 .cse15 .cse16 .cse17)) (.cse8 (<= ~a29~0 220)) (.cse25 (<= 130 ~a29~0)) (.cse4 (<= 0 .cse36)) (.cse0 (<= ~a29~0 275)) (.cse7 (<= ~a29~0 140)) (.cse18 (<= 0 (+ ~a23~0 386869))) (.cse22 (<= .cse37 0)) (.cse13 (<= .cse36 0)) (.cse32 (< 245 ~a29~0)) (.cse12 (<= ~a25~0 9)) (.cse26 (or (= 12 ~a25~0) (= 13 ~a25~0))) (.cse28 (= 1 ~a3~0)) (.cse27 (<= (+ ~a29~0 22) 0)) (.cse14 (<= 0 (+ (div (+ ~a23~0 (- 600085)) 5) 301942))) (.cse30 (< 0 (+ .cse35 301943))) (.cse21 (<= 214883 ~a29~0)) (.cse1 (<= ~a23~0 312)) (.cse29 (<= ~a29~0 599998)) (.cse23 (= ~a25~0 11)) (.cse31 (or (< 0 (+ .cse35 301942)) (not (= 0 (mod ~a23~0 5))))) (.cse10 (<= ~a25~0 10)) (.cse19 (<= 0 (+ (div (+ .cse33 (- 379592)) 5) 301942))) (.cse5 (= ~a3~0 1)) (.cse20 (or (<= 0 (+ (div (+ .cse33 (- 379593)) 5) 301942)) (not (= 0 (mod .cse34 5))) (not (= 0 (mod (* ~a23~0 8) 10))))) (.cse24 (<= ~a29~0 599999)) (.cse6 (= ~a8~0 15)) (.cse11 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse9 .cse10 .cse5 .cse6) (and (<= ~a29~0 130) .cse11 .cse12) (and .cse0 .cse13 .cse2 .cse5 .cse14 .cse6 (or .cse15 .cse16 .cse17)) (and .cse0 .cse2 .cse18 .cse3 .cse5 .cse19 .cse20 .cse6) (and (= ~a25~0 10) .cse21 .cse5 .cse22 .cse11 .cse6) (and .cse21 .cse23 .cse19 .cse5 .cse20 .cse6 .cse11 .cse14 .cse24) (and (< 181944 ~a23~0) .cse8 .cse25 .cse23 .cse19 .cse5 .cse20 .cse11 .cse6) (and (or (and .cse21 .cse1 .cse23 .cse5 .cse6 .cse11) (and .cse21 .cse5 .cse11 .cse12 .cse6)) .cse4 .cse22) (and .cse26 .cse27 .cse1 .cse9 .cse28 .cse6) (and .cse7 .cse8 .cse1 .cse4 .cse10 .cse5 .cse6 .cse11) (and .cse1 .cse29 .cse23 .cse9 .cse5 .cse6 .cse11) (and .cse30 .cse1 .cse29 .cse31 .cse5 .cse32 .cse12 .cse6) (and .cse27 .cse1 .cse23 .cse5 .cse6 .cse14) (and .cse26 .cse0 .cse1 .cse25 .cse28 .cse6 .cse11) (and .cse1 .cse29 .cse4 .cse23 .cse5 .cse32 .cse6) (and (<= 312 ~a23~0) .cse29 .cse23 .cse19 .cse5 .cse20 .cse32 .cse11 .cse6) (and .cse26 .cse30 .cse0 .cse1 .cse31 .cse32 .cse28 .cse6) (and .cse7 .cse18 .cse23 .cse5 .cse22 .cse6) (and .cse13 .cse5 .cse32 .cse11 .cse12 .cse6) (and .cse26 .cse29 .cse9 .cse19 .cse20 .cse28 .cse11 .cse6) (and .cse27 .cse10 .cse5 .cse19 .cse20 .cse6 .cse14) (and .cse30 .cse21 .cse1 .cse29 .cse23 .cse31 .cse5 .cse6 .cse11) (and .cse9 .cse10 .cse19 .cse5 .cse20 .cse24 .cse6 .cse11))))) [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,668 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,669 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-17 04:24:58,670 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-17 04:24:58,671 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,672 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-17 04:24:58,673 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 208) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-17 04:24:58,674 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:24:58,675 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,676 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,677 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,678 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-17 04:24:58,679 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-17 04:24:58,680 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,681 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,682 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,683 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:24:58,684 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-17 04:24:58,685 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-17 04:24:58,686 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,687 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-17 04:24:58,688 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-17 04:24:58,688 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-17 04:24:58,688 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-17 04:24:58,690 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:24:58,691 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:24:58,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:24:58 BoogieIcfgContainer [2021-12-17 04:24:58,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:24:58,712 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:24:58,712 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:24:58,712 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:24:58,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:23:15" (3/4) ... [2021-12-17 04:24:58,714 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:24:58,729 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 04:24:58,730 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:24:58,731 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:24:58,732 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:24:58,821 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:24:58,822 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:24:58,822 INFO L158 Benchmark]: Toolchain (without parser) took 105491.64ms. Allocated memory was 107.0MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 76.9MB in the beginning and 988.3MB in the end (delta: -911.3MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-12-17 04:24:58,822 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 107.0MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:24:58,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 605.17ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 50.2MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.36ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 50.2MB in the beginning and 102.0MB in the end (delta: -51.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,823 INFO L158 Benchmark]: Boogie Preprocessor took 119.45ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 93.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,823 INFO L158 Benchmark]: RCFGBuilder took 1130.46ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 83.9MB in the end (delta: 9.3MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,823 INFO L158 Benchmark]: TraceAbstraction took 103406.12ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 83.4MB in the beginning and 1.0GB in the end (delta: -931.1MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-12-17 04:24:58,824 INFO L158 Benchmark]: Witness Printer took 110.00ms. Allocated memory is still 2.7GB. Free memory was 1.0GB in the beginning and 988.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 04:24:58,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 107.0MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 605.17ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 50.2MB in the end (delta: 26.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.36ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 50.2MB in the beginning and 102.0MB in the end (delta: -51.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.45ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 93.2MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.46ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 83.9MB in the end (delta: 9.3MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * TraceAbstraction took 103406.12ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 83.4MB in the beginning and 1.0GB in the end (delta: -931.1MB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Witness Printer took 110.00ms. Allocated memory is still 2.7GB. Free memory was 1.0GB in the beginning and 988.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. 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: 208]: 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: 103.3s, OverallIterations: 19, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 46.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13424 SdHoareTripleChecker+Valid, 25.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13424 mSDsluCounter, 3569 SdHoareTripleChecker+Invalid, 21.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3437 IncrementalHoareTripleChecker+Unchecked, 1143 mSDsCounter, 5810 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31334 IncrementalHoareTripleChecker+Invalid, 40581 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5810 mSolverCounterUnsat, 2426 mSDtfsCounter, 31334 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4589 GetRequests, 4486 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39638occurred in iteration=15, InterpolantAutomatonStates: 109, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.9s AutomataMinimizationTime, 19 MinimizatonAttempts, 47984 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 619 NumberOfFragments, 2047 HoareAnnotationTreeSize, 3 FomulaSimplifications, 56075 FormulaSimplificationTreeSizeReduction, 31.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 242312 FormulaSimplificationTreeSizeReductionInter, 14.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 20.2s InterpolantComputationTime, 8849 NumberOfCodeBlocks, 8849 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 10538 ConstructedInterpolants, 152 QuantifiedInterpolants, 65756 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3686 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 29 InterpolantComputations, 15 PerfectInterpolantSequences, 8003/12253 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: ((((((((((((((((((((((((((((a29 <= 275 && a23 <= 312) && a25 == 12) && (((0 < a23 + 43 || 1 == a4) || 141 <= a29) || !(input == 1))) && 0 <= a23 + 599772) && a3 == 1) && a8 == 15) || ((((((a29 <= 140 && a29 <= 220) && a23 <= 312) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((a29 <= 130 && a4 == 1) && a25 <= 9)) || ((((((a29 <= 275 && a23 + 599772 <= 0) && a25 == 12) && a3 == 1) && 0 <= (a23 + -600085) / 5 + 301942) && a8 == 15) && ((1 == a4 || 141 <= a29) || !(input == 1)))) || (((((((a29 <= 275 && a25 == 12) && 0 <= a23 + 386869) && (((0 < a23 + 43 || 1 == a4) || 141 <= a29) || !(input == 1))) && a3 == 1) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a8 == 15)) || (((((a25 == 10 && 214883 <= a29) && a3 == 1) && a23 + 43 <= 0) && a4 == 1) && a8 == 15)) || ((((((((214883 <= a29 && a25 == 11) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a8 == 15) && a4 == 1) && 0 <= (a23 + -600085) / 5 + 301942) && a29 <= 599999)) || ((((((((181944 < a23 && a29 <= 220) && 130 <= a29) && a25 == 11) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a4 == 1) && a8 == 15)) || ((((((((214883 <= a29 && a23 <= 312) && a25 == 11) && a3 == 1) && a8 == 15) && a4 == 1) || ((((214883 <= a29 && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15)) && 0 <= a23 + 599772) && a23 + 43 <= 0)) || ((((((12 == a25 || 13 == a25) && a29 + 22 <= 0) && a23 <= 312) && 0 < a23 + 43) && 1 == a3) && a8 == 15)) || (((((((a29 <= 140 && a29 <= 220) && a23 <= 312) && 0 <= a23 + 599772) && a25 <= 10) && a3 == 1) && a8 == 15) && a4 == 1)) || ((((((a23 <= 312 && a29 <= 599998) && a25 == 11) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && a4 == 1)) || (((((((0 < a23 / 5 + 301943 && a23 <= 312) && a29 <= 599998) && (0 < a23 / 5 + 301942 || !(0 == a23 % 5))) && a3 == 1) && 245 < a29) && a25 <= 9) && a8 == 15)) || (((((a29 + 22 <= 0 && a23 <= 312) && a25 == 11) && a3 == 1) && a8 == 15) && 0 <= (a23 + -600085) / 5 + 301942)) || (((((((12 == a25 || 13 == a25) && a29 <= 275) && a23 <= 312) && 130 <= a29) && 1 == a3) && a8 == 15) && a4 == 1)) || ((((((a23 <= 312 && a29 <= 599998) && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && 245 < a29) && a8 == 15)) || ((((((((312 <= a23 && a29 <= 599998) && a25 == 11) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && 245 < a29) && a4 == 1) && a8 == 15)) || ((((((((12 == a25 || 13 == a25) && 0 < a23 / 5 + 301943) && a29 <= 275) && a23 <= 312) && (0 < a23 / 5 + 301942 || !(0 == a23 % 5))) && 245 < a29) && 1 == a3) && a8 == 15)) || (((((a29 <= 140 && 0 <= a23 + 386869) && a25 == 11) && a3 == 1) && a23 + 43 <= 0) && a8 == 15)) || (((((a23 + 599772 <= 0 && a3 == 1) && 245 < a29) && a4 == 1) && a25 <= 9) && a8 == 15)) || ((((((((12 == a25 || 13 == a25) && a29 <= 599998) && 0 < a23 + 43) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && 1 == a3) && a4 == 1) && a8 == 15)) || ((((((a29 + 22 <= 0 && a25 <= 10) && a3 == 1) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a8 == 15) && 0 <= (a23 + -600085) / 5 + 301942)) || ((((((((0 < a23 / 5 + 301943 && 214883 <= a29) && a23 <= 312) && a29 <= 599998) && a25 == 11) && (0 < a23 / 5 + 301942 || !(0 == a23 % 5))) && a3 == 1) && a8 == 15) && a4 == 1)) || (((((((0 < a23 + 43 && a25 <= 10) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a29 <= 599999) && a8 == 15) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((a29 <= 275 && a23 <= 312) && a25 == 12) && (((0 < a23 + 43 || 1 == a4) || 141 <= a29) || !(input == 1))) && 0 <= a23 + 599772) && a3 == 1) && a8 == 15) || ((((((a29 <= 140 && a29 <= 220) && a23 <= 312) && 0 < a23 + 43) && a25 <= 10) && a3 == 1) && a8 == 15)) || ((a29 <= 130 && a4 == 1) && a25 <= 9)) || ((((((a29 <= 275 && a23 + 599772 <= 0) && a25 == 12) && a3 == 1) && 0 <= (a23 + -600085) / 5 + 301942) && a8 == 15) && ((1 == a4 || 141 <= a29) || !(input == 1)))) || (((((((a29 <= 275 && a25 == 12) && 0 <= a23 + 386869) && (((0 < a23 + 43 || 1 == a4) || 141 <= a29) || !(input == 1))) && a3 == 1) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a8 == 15)) || (((((a25 == 10 && 214883 <= a29) && a3 == 1) && a23 + 43 <= 0) && a4 == 1) && a8 == 15)) || ((((((((214883 <= a29 && a25 == 11) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a8 == 15) && a4 == 1) && 0 <= (a23 + -600085) / 5 + 301942) && a29 <= 599999)) || ((((((((181944 < a23 && a29 <= 220) && 130 <= a29) && a25 == 11) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a4 == 1) && a8 == 15)) || ((((((((214883 <= a29 && a23 <= 312) && a25 == 11) && a3 == 1) && a8 == 15) && a4 == 1) || ((((214883 <= a29 && a3 == 1) && a4 == 1) && a25 <= 9) && a8 == 15)) && 0 <= a23 + 599772) && a23 + 43 <= 0)) || ((((((12 == a25 || 13 == a25) && a29 + 22 <= 0) && a23 <= 312) && 0 < a23 + 43) && 1 == a3) && a8 == 15)) || (((((((a29 <= 140 && a29 <= 220) && a23 <= 312) && 0 <= a23 + 599772) && a25 <= 10) && a3 == 1) && a8 == 15) && a4 == 1)) || ((((((a23 <= 312 && a29 <= 599998) && a25 == 11) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && a4 == 1)) || (((((((0 < a23 / 5 + 301943 && a23 <= 312) && a29 <= 599998) && (0 < a23 / 5 + 301942 || !(0 == a23 % 5))) && a3 == 1) && 245 < a29) && a25 <= 9) && a8 == 15)) || (((((a29 + 22 <= 0 && a23 <= 312) && a25 == 11) && a3 == 1) && a8 == 15) && 0 <= (a23 + -600085) / 5 + 301942)) || (((((((12 == a25 || 13 == a25) && a29 <= 275) && a23 <= 312) && 130 <= a29) && 1 == a3) && a8 == 15) && a4 == 1)) || ((((((a23 <= 312 && a29 <= 599998) && 0 <= a23 + 599772) && a25 == 11) && a3 == 1) && 245 < a29) && a8 == 15)) || ((((((((312 <= a23 && a29 <= 599998) && a25 == 11) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && 245 < a29) && a4 == 1) && a8 == 15)) || ((((((((12 == a25 || 13 == a25) && 0 < a23 / 5 + 301943) && a29 <= 275) && a23 <= 312) && (0 < a23 / 5 + 301942 || !(0 == a23 % 5))) && 245 < a29) && 1 == a3) && a8 == 15)) || (((((a29 <= 140 && 0 <= a23 + 386869) && a25 == 11) && a3 == 1) && a23 + 43 <= 0) && a8 == 15)) || (((((a23 + 599772 <= 0 && a3 == 1) && 245 < a29) && a4 == 1) && a25 <= 9) && a8 == 15)) || ((((((((12 == a25 || 13 == a25) && a29 <= 599998) && 0 < a23 + 43) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && 1 == a3) && a4 == 1) && a8 == 15)) || ((((((a29 + 22 <= 0 && a25 <= 10) && a3 == 1) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a8 == 15) && 0 <= (a23 + -600085) / 5 + 301942)) || ((((((((0 < a23 / 5 + 301943 && 214883 <= a29) && a23 <= 312) && a29 <= 599998) && a25 == 11) && (0 < a23 / 5 + 301942 || !(0 == a23 % 5))) && a3 == 1) && a8 == 15) && a4 == 1)) || (((((((0 < a23 + 43 && a25 <= 10) && 0 <= (a23 * -2 / 10 / 5 + -379592) / 5 + 301942) && a3 == 1) && ((0 <= (a23 * -2 / 10 / 5 + -379593) / 5 + 301942 || !(0 == a23 * -2 / 10 % 5)) || !(0 == a23 * 8 % 10))) && a29 <= 599999) && a8 == 15) && a4 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 04:24:58,868 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