./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem02_label41.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40a5d6cfc2906fb78e842e2acc20834b9d9ef51616470f27f80518312cafa40b --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 09:02:57,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 09:02:57,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 09:02:57,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 09:02:57,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 09:02:57,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 09:02:57,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 09:02:57,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 09:02:57,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 09:02:57,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 09:02:57,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 09:02:57,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 09:02:57,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 09:02:57,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 09:02:57,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 09:02:57,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 09:02:57,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 09:02:57,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 09:02:57,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 09:02:57,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 09:02:57,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 09:02:57,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 09:02:57,232 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 09:02:57,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 09:02:57,238 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 09:02:57,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 09:02:57,239 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 09:02:57,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 09:02:57,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 09:02:57,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 09:02:57,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 09:02:57,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 09:02:57,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 09:02:57,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 09:02:57,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 09:02:57,246 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 09:02:57,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 09:02:57,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 09:02:57,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 09:02:57,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 09:02:57,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 09:02:57,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 09:02:57,273 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 09:02:57,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 09:02:57,274 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 09:02:57,274 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 09:02:57,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 09:02:57,275 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 09:02:57,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 09:02:57,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 09:02:57,276 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 09:02:57,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 09:02:57,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 09:02:57,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 09:02:57,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 09:02:57,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 09:02:57,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 09:02:57,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 09:02:57,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 09:02:57,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 09:02:57,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 09:02:57,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 09:02:57,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 09:02:57,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 09:02:57,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 09:02:57,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 09:02:57,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:02:57,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 09:02:57,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 09:02:57,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 09:02:57,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 09:02:57,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 09:02:57,281 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 09:02:57,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 09:02:57,281 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 09:02:57,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 09:02:57,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40a5d6cfc2906fb78e842e2acc20834b9d9ef51616470f27f80518312cafa40b [2021-12-15 09:02:57,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 09:02:57,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 09:02:57,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 09:02:57,525 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 09:02:57,527 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 09:02:57,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2021-12-15 09:02:57,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38210b31b/1553755155064f81b3c6fc2accba1cea/FLAGc961b7b85 [2021-12-15 09:02:58,083 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 09:02:58,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label41.c [2021-12-15 09:02:58,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38210b31b/1553755155064f81b3c6fc2accba1cea/FLAGc961b7b85 [2021-12-15 09:02:58,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38210b31b/1553755155064f81b3c6fc2accba1cea [2021-12-15 09:02:58,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 09:02:58,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 09:02:58,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 09:02:58,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 09:02:58,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 09:02:58,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:02:58" (1/1) ... [2021-12-15 09:02:58,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0e0f57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:58, skipping insertion in model container [2021-12-15 09:02:58,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:02:58" (1/1) ... [2021-12-15 09:02:58,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 09:02:58,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 09:02:58,889 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/Problem02_label41.c[15650,15663] [2021-12-15 09:02:58,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:02:58,935 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 09:02:58,991 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/Problem02_label41.c[15650,15663] [2021-12-15 09:02:59,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 09:02:59,020 INFO L208 MainTranslator]: Completed translation [2021-12-15 09:02:59,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59 WrapperNode [2021-12-15 09:02:59,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 09:02:59,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 09:02:59,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 09:02:59,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 09:02:59,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,087 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-12-15 09:02:59,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 09:02:59,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 09:02:59,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 09:02:59,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 09:02:59,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,153 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 09:02:59,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 09:02:59,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 09:02:59,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 09:02:59,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (1/1) ... [2021-12-15 09:02:59,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 09:02:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:02:59,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 09:02:59,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 09:02:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 09:02:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 09:02:59,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 09:02:59,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 09:02:59,338 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 09:02:59,339 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 09:03:00,113 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 09:03:00,126 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 09:03:00,127 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 09:03:00,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:03:00 BoogieIcfgContainer [2021-12-15 09:03:00,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 09:03:00,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 09:03:00,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 09:03:00,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 09:03:00,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:02:58" (1/3) ... [2021-12-15 09:03:00,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3590c12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:03:00, skipping insertion in model container [2021-12-15 09:03:00,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:02:59" (2/3) ... [2021-12-15 09:03:00,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3590c12d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:03:00, skipping insertion in model container [2021-12-15 09:03:00,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:03:00" (3/3) ... [2021-12-15 09:03:00,139 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2021-12-15 09:03:00,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 09:03:00,144 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 09:03:00,200 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 09:03:00,208 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 [2021-12-15 09:03:00,208 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 09:03:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-15 09:03:00,247 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:00,247 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:00,248 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:00,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:00,253 INFO L85 PathProgramCache]: Analyzing trace with hash 372621549, now seen corresponding path program 1 times [2021-12-15 09:03:00,274 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:00,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26812763] [2021-12-15 09:03:00,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:00,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:00,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:03:00,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:00,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26812763] [2021-12-15 09:03:00,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26812763] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:00,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:00,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:03:00,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733376070] [2021-12-15 09:03:00,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:00,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:00,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:00,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:00,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:00,673 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:01,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:01,359 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2021-12-15 09:03:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:01,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-12-15 09:03:01,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:01,371 INFO L225 Difference]: With dead ends: 630 [2021-12-15 09:03:01,372 INFO L226 Difference]: Without dead ends: 318 [2021-12-15 09:03:01,375 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 [2021-12-15 09:03:01,378 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 140 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:01,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:03:01,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-12-15 09:03:01,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2021-12-15 09:03:01,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:01,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2021-12-15 09:03:01,466 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 90 [2021-12-15 09:03:01,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:01,467 INFO L470 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2021-12-15 09:03:01,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2021-12-15 09:03:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-15 09:03:01,476 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:01,477 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:01,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 09:03:01,480 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:01,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:01,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1874198680, now seen corresponding path program 1 times [2021-12-15 09:03:01,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:01,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524477878] [2021-12-15 09:03:01,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:01,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:01,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:03:01,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:01,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524477878] [2021-12-15 09:03:01,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524477878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:01,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:01,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:01,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656012514] [2021-12-15 09:03:01,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:01,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-15 09:03:01,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:01,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-15 09:03:01,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-15 09:03:01,690 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:02,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:02,338 INFO L93 Difference]: Finished difference Result 999 states and 1508 transitions. [2021-12-15 09:03:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-15 09:03:02,338 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-12-15 09:03:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:02,344 INFO L225 Difference]: With dead ends: 999 [2021-12-15 09:03:02,344 INFO L226 Difference]: Without dead ends: 600 [2021-12-15 09:03:02,346 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 [2021-12-15 09:03:02,347 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 173 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:02,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 113 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:03:02,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2021-12-15 09:03:02,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2021-12-15 09:03:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 599 states have (on average 1.358931552587646) internal successors, (814), 599 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 814 transitions. [2021-12-15 09:03:02,387 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 814 transitions. Word has length 94 [2021-12-15 09:03:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:02,388 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 814 transitions. [2021-12-15 09:03:02,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 814 transitions. [2021-12-15 09:03:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-12-15 09:03:02,394 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:02,394 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-15 09:03:02,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 09:03:02,394 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:02,395 INFO L85 PathProgramCache]: Analyzing trace with hash 142492590, now seen corresponding path program 1 times [2021-12-15 09:03:02,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:02,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266266129] [2021-12-15 09:03:02,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:02,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:03:02,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:02,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266266129] [2021-12-15 09:03:02,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266266129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:02,456 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:02,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:03:02,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656217427] [2021-12-15 09:03:02,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:02,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:02,457 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:02,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:02,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:02,458 INFO L87 Difference]: Start difference. First operand 600 states and 814 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:02,818 INFO L93 Difference]: Finished difference Result 1779 states and 2420 transitions. [2021-12-15 09:03:02,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:02,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-12-15 09:03:02,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:02,825 INFO L225 Difference]: With dead ends: 1779 [2021-12-15 09:03:02,826 INFO L226 Difference]: Without dead ends: 1181 [2021-12-15 09:03:02,828 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 [2021-12-15 09:03:02,829 INFO L933 BasicCegarLoop]: 72 mSDtfsCounter, 156 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:02,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 100 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:02,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2021-12-15 09:03:02,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1173. [2021-12-15 09:03:02,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 1172 states have (on average 1.3114334470989761) internal successors, (1537), 1172 states have internal predecessors, (1537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1537 transitions. [2021-12-15 09:03:02,870 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1537 transitions. Word has length 108 [2021-12-15 09:03:02,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:02,870 INFO L470 AbstractCegarLoop]: Abstraction has 1173 states and 1537 transitions. [2021-12-15 09:03:02,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1537 transitions. [2021-12-15 09:03:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-15 09:03:02,875 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:02,875 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:02,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 09:03:02,876 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:02,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:02,877 INFO L85 PathProgramCache]: Analyzing trace with hash 1939916869, now seen corresponding path program 1 times [2021-12-15 09:03:02,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:02,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390702783] [2021-12-15 09:03:02,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:02,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:02,918 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-15 09:03:02,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:02,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390702783] [2021-12-15 09:03:02,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390702783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:02,919 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:02,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 09:03:02,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082792678] [2021-12-15 09:03:02,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:02,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:02,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:02,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:02,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:02,921 INFO L87 Difference]: Start difference. First operand 1173 states and 1537 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:03,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:03,336 INFO L93 Difference]: Finished difference Result 3329 states and 4387 transitions. [2021-12-15 09:03:03,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:03,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 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 120 [2021-12-15 09:03:03,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:03,345 INFO L225 Difference]: With dead ends: 3329 [2021-12-15 09:03:03,345 INFO L226 Difference]: Without dead ends: 2158 [2021-12-15 09:03:03,347 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 [2021-12-15 09:03:03,358 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:03,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 129 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:03:03,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2021-12-15 09:03:03,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2155. [2021-12-15 09:03:03,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.1996285979572887) internal successors, (2584), 2154 states have internal predecessors, (2584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2584 transitions. [2021-12-15 09:03:03,402 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2584 transitions. Word has length 120 [2021-12-15 09:03:03,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:03,402 INFO L470 AbstractCegarLoop]: Abstraction has 2155 states and 2584 transitions. [2021-12-15 09:03:03,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 2 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2584 transitions. [2021-12-15 09:03:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-15 09:03:03,407 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:03,408 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:03,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 09:03:03,408 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:03,409 INFO L85 PathProgramCache]: Analyzing trace with hash -436861268, now seen corresponding path program 1 times [2021-12-15 09:03:03,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:03,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702571910] [2021-12-15 09:03:03,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:03,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:03,456 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 44 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 09:03:03,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:03,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702571910] [2021-12-15 09:03:03,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702571910] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:03:03,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183139707] [2021-12-15 09:03:03,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:03,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:03:03,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:03:03,463 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:03:03,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 09:03:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:03,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:03:03,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:03:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-15 09:03:03,849 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:03:03,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183139707] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:03,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:03:03,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-15 09:03:03,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713439170] [2021-12-15 09:03:03,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:03,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:03,851 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:03,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:03,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:03,851 INFO L87 Difference]: Start difference. First operand 2155 states and 2584 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:04,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:04,313 INFO L93 Difference]: Finished difference Result 5008 states and 6114 transitions. [2021-12-15 09:03:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:04,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 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 126 [2021-12-15 09:03:04,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:04,320 INFO L225 Difference]: With dead ends: 5008 [2021-12-15 09:03:04,320 INFO L226 Difference]: Without dead ends: 2145 [2021-12-15 09:03:04,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:04,324 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 135 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:04,324 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 275 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 09:03:04,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states. [2021-12-15 09:03:04,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 2145. [2021-12-15 09:03:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.172108208955224) internal successors, (2513), 2144 states have internal predecessors, (2513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2513 transitions. [2021-12-15 09:03:04,360 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2513 transitions. Word has length 126 [2021-12-15 09:03:04,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:04,361 INFO L470 AbstractCegarLoop]: Abstraction has 2145 states and 2513 transitions. [2021-12-15 09:03:04,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:04,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2513 transitions. [2021-12-15 09:03:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-15 09:03:04,364 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:04,364 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-12-15 09:03:04,399 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 09:03:04,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:03:04,595 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:04,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash 749853425, now seen corresponding path program 1 times [2021-12-15 09:03:04,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:04,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081434482] [2021-12-15 09:03:04,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:04,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:04,678 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-15 09:03:04,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:04,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081434482] [2021-12-15 09:03:04,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081434482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:04,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:04,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-15 09:03:04,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885718841] [2021-12-15 09:03:04,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:04,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-15 09:03:04,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:04,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-15 09:03:04,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:04,681 INFO L87 Difference]: Start difference. First operand 2145 states and 2513 transitions. Second operand has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:05,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:05,359 INFO L93 Difference]: Finished difference Result 4902 states and 5745 transitions. [2021-12-15 09:03:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 09:03:05,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2021-12-15 09:03:05,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:05,367 INFO L225 Difference]: With dead ends: 4902 [2021-12-15 09:03:05,367 INFO L226 Difference]: Without dead ends: 2187 [2021-12-15 09:03:05,372 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-15 09:03:05,373 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 448 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 977 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:05,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 109 Invalid, 977 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-15 09:03:05,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-12-15 09:03:05,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2145. [2021-12-15 09:03:05,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2145 states, 2144 states have (on average 1.1287313432835822) internal successors, (2420), 2144 states have internal predecessors, (2420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 2420 transitions. [2021-12-15 09:03:05,411 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 2420 transitions. Word has length 128 [2021-12-15 09:03:05,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:05,411 INFO L470 AbstractCegarLoop]: Abstraction has 2145 states and 2420 transitions. [2021-12-15 09:03:05,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:05,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2420 transitions. [2021-12-15 09:03:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-15 09:03:05,415 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:05,415 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-12-15 09:03:05,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 09:03:05,416 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:05,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1195847749, now seen corresponding path program 1 times [2021-12-15 09:03:05,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:05,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984578797] [2021-12-15 09:03:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:05,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-12-15 09:03:05,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:05,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984578797] [2021-12-15 09:03:05,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984578797] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:05,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:05,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:05,498 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057639713] [2021-12-15 09:03:05,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:05,499 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:05,499 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:05,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:05,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:05,499 INFO L87 Difference]: Start difference. First operand 2145 states and 2420 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:05,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:05,835 INFO L93 Difference]: Finished difference Result 4288 states and 4841 transitions. [2021-12-15 09:03:05,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:05,836 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 [2021-12-15 09:03:05,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:05,841 INFO L225 Difference]: With dead ends: 4288 [2021-12-15 09:03:05,841 INFO L226 Difference]: Without dead ends: 1865 [2021-12-15 09:03:05,844 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:05,846 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 140 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:05,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 228 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1865 states. [2021-12-15 09:03:05,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1865 to 1857. [2021-12-15 09:03:05,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1856 states have (on average 1.0985991379310345) internal successors, (2039), 1856 states have internal predecessors, (2039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2039 transitions. [2021-12-15 09:03:05,877 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2039 transitions. Word has length 132 [2021-12-15 09:03:05,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:05,877 INFO L470 AbstractCegarLoop]: Abstraction has 1857 states and 2039 transitions. [2021-12-15 09:03:05,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2039 transitions. [2021-12-15 09:03:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-15 09:03:05,882 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:05,883 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2021-12-15 09:03:05,883 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 09:03:05,883 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:05,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:05,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1257335917, now seen corresponding path program 1 times [2021-12-15 09:03:05,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:05,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594493695] [2021-12-15 09:03:05,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:05,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-15 09:03:05,938 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594493695] [2021-12-15 09:03:05,938 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594493695] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:05,938 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:05,939 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:05,939 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505727741] [2021-12-15 09:03:05,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:05,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:05,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:05,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:05,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:05,940 INFO L87 Difference]: Start difference. First operand 1857 states and 2039 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 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) [2021-12-15 09:03:06,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:06,278 INFO L93 Difference]: Finished difference Result 4413 states and 4841 transitions. [2021-12-15 09:03:06,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:06,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 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 150 [2021-12-15 09:03:06,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:06,290 INFO L225 Difference]: With dead ends: 4413 [2021-12-15 09:03:06,291 INFO L226 Difference]: Without dead ends: 2558 [2021-12-15 09:03:06,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:06,294 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 113 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:06,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 225 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2021-12-15 09:03:06,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2417. [2021-12-15 09:03:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2416 states have (on average 1.0815397350993377) internal successors, (2613), 2416 states have internal predecessors, (2613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:06,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 2613 transitions. [2021-12-15 09:03:06,336 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 2613 transitions. Word has length 150 [2021-12-15 09:03:06,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:06,337 INFO L470 AbstractCegarLoop]: Abstraction has 2417 states and 2613 transitions. [2021-12-15 09:03:06,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 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) [2021-12-15 09:03:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2613 transitions. [2021-12-15 09:03:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-15 09:03:06,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:06,342 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-12-15 09:03:06,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 09:03:06,342 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:06,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:06,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1173374250, now seen corresponding path program 1 times [2021-12-15 09:03:06,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:06,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867613434] [2021-12-15 09:03:06,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:06,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:06,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-15 09:03:06,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:06,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867613434] [2021-12-15 09:03:06,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867613434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:06,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:06,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:06,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598337304] [2021-12-15 09:03:06,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:06,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:06,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:06,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:06,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:06,389 INFO L87 Difference]: Start difference. First operand 2417 states and 2613 transitions. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:06,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:06,737 INFO L93 Difference]: Finished difference Result 5677 states and 6190 transitions. [2021-12-15 09:03:06,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:06,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 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 172 [2021-12-15 09:03:06,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:06,748 INFO L225 Difference]: With dead ends: 5677 [2021-12-15 09:03:06,749 INFO L226 Difference]: Without dead ends: 3262 [2021-12-15 09:03:06,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:06,753 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:06,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 203 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:06,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2021-12-15 09:03:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3260. [2021-12-15 09:03:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3260 states, 3259 states have (on average 1.0806996011046333) internal successors, (3522), 3259 states have internal predecessors, (3522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 3260 states and 3522 transitions. [2021-12-15 09:03:06,802 INFO L78 Accepts]: Start accepts. Automaton has 3260 states and 3522 transitions. Word has length 172 [2021-12-15 09:03:06,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:06,803 INFO L470 AbstractCegarLoop]: Abstraction has 3260 states and 3522 transitions. [2021-12-15 09:03:06,803 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 3260 states and 3522 transitions. [2021-12-15 09:03:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-12-15 09:03:06,809 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:06,810 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:06,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 09:03:06,810 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:06,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:06,811 INFO L85 PathProgramCache]: Analyzing trace with hash -241870516, now seen corresponding path program 1 times [2021-12-15 09:03:06,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:06,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251385612] [2021-12-15 09:03:06,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:06,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:06,862 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-15 09:03:06,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:06,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251385612] [2021-12-15 09:03:06,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251385612] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:06,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:06,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:06,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667257499] [2021-12-15 09:03:06,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:06,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:06,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:06,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:06,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:06,865 INFO L87 Difference]: Start difference. First operand 3260 states and 3522 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:07,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:07,196 INFO L93 Difference]: Finished difference Result 6652 states and 7193 transitions. [2021-12-15 09:03:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:07,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 214 [2021-12-15 09:03:07,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:07,206 INFO L225 Difference]: With dead ends: 6652 [2021-12-15 09:03:07,206 INFO L226 Difference]: Without dead ends: 3252 [2021-12-15 09:03:07,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:07,211 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 139 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:07,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 51 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:07,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3252 states. [2021-12-15 09:03:07,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3252 to 3250. [2021-12-15 09:03:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 3249 states have (on average 1.0624807633117883) internal successors, (3452), 3249 states have internal predecessors, (3452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:07,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 3452 transitions. [2021-12-15 09:03:07,257 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 3452 transitions. Word has length 214 [2021-12-15 09:03:07,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:07,257 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 3452 transitions. [2021-12-15 09:03:07,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:07,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3452 transitions. [2021-12-15 09:03:07,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-15 09:03:07,263 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:07,263 INFO L514 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:07,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 09:03:07,264 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:07,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:07,264 INFO L85 PathProgramCache]: Analyzing trace with hash -933653524, now seen corresponding path program 1 times [2021-12-15 09:03:07,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:07,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134100071] [2021-12-15 09:03:07,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:07,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-12-15 09:03:07,328 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:07,328 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134100071] [2021-12-15 09:03:07,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134100071] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:07,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:07,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:07,328 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224547923] [2021-12-15 09:03:07,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:07,329 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:07,329 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:07,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:07,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:07,330 INFO L87 Difference]: Start difference. First operand 3250 states and 3452 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:07,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:07,650 INFO L93 Difference]: Finished difference Result 6498 states and 6902 transitions. [2021-12-15 09:03:07,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:07,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 241 [2021-12-15 09:03:07,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:07,660 INFO L225 Difference]: With dead ends: 6498 [2021-12-15 09:03:07,660 INFO L226 Difference]: Without dead ends: 3250 [2021-12-15 09:03:07,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:07,665 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 139 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:07,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 211 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:07,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3250 states. [2021-12-15 09:03:07,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3250 to 3110. [2021-12-15 09:03:07,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3110 states, 3109 states have (on average 1.0604696043743969) internal successors, (3297), 3109 states have internal predecessors, (3297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 3110 states and 3297 transitions. [2021-12-15 09:03:07,710 INFO L78 Accepts]: Start accepts. Automaton has 3110 states and 3297 transitions. Word has length 241 [2021-12-15 09:03:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:07,710 INFO L470 AbstractCegarLoop]: Abstraction has 3110 states and 3297 transitions. [2021-12-15 09:03:07,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3110 states and 3297 transitions. [2021-12-15 09:03:07,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-15 09:03:07,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:07,717 INFO L514 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:07,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 09:03:07,717 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:07,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:07,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1948712108, now seen corresponding path program 1 times [2021-12-15 09:03:07,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:07,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280434450] [2021-12-15 09:03:07,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:07,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 244 proven. 16 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-15 09:03:07,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:07,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280434450] [2021-12-15 09:03:07,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280434450] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:03:07,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807023794] [2021-12-15 09:03:07,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:07,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:03:07,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:03:07,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:03:07,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 09:03:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:07,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:03:07,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:03:08,360 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2021-12-15 09:03:08,360 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:03:08,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807023794] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:08,360 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:03:08,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-12-15 09:03:08,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069901429] [2021-12-15 09:03:08,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:08,362 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:08,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:08,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:08,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:08,363 INFO L87 Difference]: Start difference. First operand 3110 states and 3297 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:08,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:08,526 INFO L93 Difference]: Finished difference Result 5647 states and 5999 transitions. [2021-12-15 09:03:08,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 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 249 [2021-12-15 09:03:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:08,534 INFO L225 Difference]: With dead ends: 5647 [2021-12-15 09:03:08,535 INFO L226 Difference]: Without dead ends: 2539 [2021-12-15 09:03:08,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:08,539 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:08,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 17 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 09:03:08,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2539 states. [2021-12-15 09:03:08,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2539 to 2539. [2021-12-15 09:03:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2539 states, 2538 states have (on average 1.05397951142632) internal successors, (2675), 2538 states have internal predecessors, (2675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2539 states and 2675 transitions. [2021-12-15 09:03:08,575 INFO L78 Accepts]: Start accepts. Automaton has 2539 states and 2675 transitions. Word has length 249 [2021-12-15 09:03:08,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:08,575 INFO L470 AbstractCegarLoop]: Abstraction has 2539 states and 2675 transitions. [2021-12-15 09:03:08,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 2675 transitions. [2021-12-15 09:03:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-15 09:03:08,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:08,582 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 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] [2021-12-15 09:03:08,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 09:03:08,798 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,SelfDestructingSolverStorable11 [2021-12-15 09:03:08,798 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:08,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1029730563, now seen corresponding path program 1 times [2021-12-15 09:03:08,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:08,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481617805] [2021-12-15 09:03:08,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:08,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:08,855 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-12-15 09:03:08,856 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:08,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481617805] [2021-12-15 09:03:08,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481617805] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:08,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 09:03:08,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 09:03:08,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157303169] [2021-12-15 09:03:08,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:08,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:08,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:08,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:08,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:08,858 INFO L87 Difference]: Start difference. First operand 2539 states and 2675 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:09,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:09,120 INFO L93 Difference]: Finished difference Result 5216 states and 5503 transitions. [2021-12-15 09:03:09,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:09,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 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 254 [2021-12-15 09:03:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:09,127 INFO L225 Difference]: With dead ends: 5216 [2021-12-15 09:03:09,127 INFO L226 Difference]: Without dead ends: 2677 [2021-12-15 09:03:09,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 09:03:09,131 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 150 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:09,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 40 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 09:03:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2021-12-15 09:03:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2116. [2021-12-15 09:03:09,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2116 states, 2115 states have (on average 1.0520094562647755) internal successors, (2225), 2115 states have internal predecessors, (2225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:09,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2225 transitions. [2021-12-15 09:03:09,174 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2225 transitions. Word has length 254 [2021-12-15 09:03:09,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:09,174 INFO L470 AbstractCegarLoop]: Abstraction has 2116 states and 2225 transitions. [2021-12-15 09:03:09,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2225 transitions. [2021-12-15 09:03:09,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-15 09:03:09,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 09:03:09,180 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:09,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 09:03:09,181 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 09:03:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 09:03:09,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1050313408, now seen corresponding path program 1 times [2021-12-15 09:03:09,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 09:03:09,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857868277] [2021-12-15 09:03:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:09,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 09:03:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 288 proven. 16 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-12-15 09:03:09,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 09:03:09,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857868277] [2021-12-15 09:03:09,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857868277] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 09:03:09,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864400413] [2021-12-15 09:03:09,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 09:03:09,262 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 09:03:09,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 09:03:09,263 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 09:03:09,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 09:03:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 09:03:09,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 09:03:09,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 09:03:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-15 09:03:09,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 09:03:09,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864400413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 09:03:09,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 09:03:09,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-15 09:03:09,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273699933] [2021-12-15 09:03:09,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 09:03:09,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 09:03:09,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 09:03:09,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 09:03:09,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:09,749 INFO L87 Difference]: Start difference. First operand 2116 states and 2225 transitions. Second operand has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:10,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 09:03:10,033 INFO L93 Difference]: Finished difference Result 3805 states and 4006 transitions. [2021-12-15 09:03:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 09:03:10,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 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 272 [2021-12-15 09:03:10,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 09:03:10,035 INFO L225 Difference]: With dead ends: 3805 [2021-12-15 09:03:10,035 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 09:03:10,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 09:03:10,038 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 97 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 09:03:10,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [97 Valid, 175 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 09:03:10,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 09:03:10,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 09:03:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 09:03:10,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 272 [2021-12-15 09:03:10,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 09:03:10,040 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 09:03:10,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.33333333333333) internal successors, (214), 3 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 09:03:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 09:03:10,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 09:03:10,042 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 09:03:10,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 09:03:10,262 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 [2021-12-15 09:03:10,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-12-15 09:03:10,786 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,787 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,788 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-15 09:03:10,789 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-12-15 09:03:10,790 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-12-15 09:03:10,791 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-12-15 09:03:10,792 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 452) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,793 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-12-15 09:03:10,794 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-12-15 09:03:10,795 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-12-15 09:03:10,796 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse9 (<= ~a28~0 9)) (.cse6 (<= 9 ~a28~0)) (.cse3 (<= ~a17~0 8)) (.cse4 (= ~a25~0 1)) (.cse5 (<= 10 ~a28~0)) (.cse10 (<= ~a19~0 0)) (.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a19~0 1)) (.cse8 (<= ~a28~0 7)) (.cse7 (= 0 ~a11~0)) (.cse11 (<= ~a25~0 0))) (or (and (not (= 1 ~a11~0)) .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse3 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse3 .cse2 .cse4 .cse7) (and .cse3 .cse2 .cse8 .cse4) (and .cse3 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse9 .cse2 .cse11 .cse6) (<= ~a17~0 7) (and .cse3 .cse4 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse11))) [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-12-15 09:03:10,797 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 09:03:10,798 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse9 (<= ~a28~0 9)) (.cse6 (<= 9 ~a28~0)) (.cse3 (<= ~a17~0 8)) (.cse4 (= ~a25~0 1)) (.cse5 (<= 10 ~a28~0)) (.cse10 (<= ~a19~0 0)) (.cse0 (= ~a17~0 8)) (.cse1 (= ~a21~0 1)) (.cse2 (= ~a19~0 1)) (.cse8 (<= ~a28~0 7)) (.cse7 (= 0 ~a11~0)) (.cse11 (<= ~a25~0 0))) (or (and (not (= 1 ~a11~0)) .cse0 .cse1 .cse2 (= ~a28~0 10)) (and .cse3 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4 .cse6) (and .cse3 .cse2 .cse4 .cse7) (and .cse3 .cse2 .cse8 .cse4) (and .cse3 .cse9 .cse10 .cse11) (and .cse0 .cse1 .cse9 .cse2 .cse11 .cse6) (<= ~a17~0 7) (and .cse3 .cse4 .cse5 .cse7 .cse10) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse11))) [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,799 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-12-15 09:03:10,800 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-12-15 09:03:10,801 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-12-15 09:03:10,802 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-12-15 09:03:10,805 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 09:03:10,806 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 09:03:10,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:03:10 BoogieIcfgContainer [2021-12-15 09:03:10,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 09:03:10,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 09:03:10,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 09:03:10,825 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 09:03:10,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:03:00" (3/4) ... [2021-12-15 09:03:10,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 09:03:10,843 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 09:03:10,844 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 09:03:10,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 09:03:10,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 09:03:10,927 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 09:03:10,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 09:03:10,928 INFO L158 Benchmark]: Toolchain (without parser) took 12367.17ms. Allocated memory was 86.0MB in the beginning and 182.5MB in the end (delta: 96.5MB). Free memory was 51.2MB in the beginning and 86.1MB in the end (delta: -34.9MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,928 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 09:03:10,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.48ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.0MB in the beginning and 66.9MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.13ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 61.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,929 INFO L158 Benchmark]: Boogie Preprocessor took 71.29ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 57.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,930 INFO L158 Benchmark]: RCFGBuilder took 969.01ms. Allocated memory is still 104.9MB. Free memory was 57.3MB in the beginning and 51.4MB in the end (delta: 5.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,930 INFO L158 Benchmark]: TraceAbstraction took 10691.23ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 50.8MB in the beginning and 100.7MB in the end (delta: -49.9MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,930 INFO L158 Benchmark]: Witness Printer took 103.09ms. Allocated memory is still 182.5MB. Free memory was 100.7MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 09:03:10,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 56.5MB in the beginning and 56.5MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.48ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 51.0MB in the beginning and 66.9MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.13ms. Allocated memory is still 104.9MB. Free memory was 66.9MB in the beginning and 61.5MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.29ms. Allocated memory is still 104.9MB. Free memory was 61.5MB in the beginning and 57.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 969.01ms. Allocated memory is still 104.9MB. Free memory was 57.3MB in the beginning and 51.4MB in the end (delta: 5.9MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10691.23ms. Allocated memory was 104.9MB in the beginning and 182.5MB in the end (delta: 77.6MB). Free memory was 50.8MB in the beginning and 100.7MB in the end (delta: -49.9MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Witness Printer took 103.09ms. Allocated memory is still 182.5MB. Free memory was 100.7MB in the beginning and 86.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 452]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2195 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2195 mSDsluCounter, 1995 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 818 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5449 IncrementalHoareTripleChecker+Invalid, 6267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 818 mSolverCounterUnsat, 1737 mSDtfsCounter, 5449 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 689 GetRequests, 664 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3260occurred in iteration=9, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 907 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 67 NumberOfFragments, 287 HoareAnnotationTreeSize, 3 FomulaSimplifications, 250 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1396 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2997 NumberOfCodeBlocks, 2997 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2980 ConstructedInterpolants, 0 QuantifiedInterpolants, 6374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1216 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 17 InterpolantComputations, 14 PerfectInterpolantSequences, 2753/2801 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: 616]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a11) && a17 == 8) && a21 == 1) && a19 == 1) && a28 == 10) || (((a17 <= 8 && a19 == 1) && a25 == 1) && 10 <= a28)) || ((((a17 == 8 && a21 == 1) && a19 == 1) && a25 == 1) && 9 <= a28)) || (((a17 <= 8 && a19 == 1) && a25 == 1) && 0 == a11)) || (((a17 <= 8 && a19 == 1) && a28 <= 7) && a25 == 1)) || (((a17 <= 8 && a28 <= 9) && a19 <= 0) && a25 <= 0)) || (((((a17 == 8 && a21 == 1) && a28 <= 9) && a19 == 1) && a25 <= 0) && 9 <= a28)) || a17 <= 7) || ((((a17 <= 8 && a25 == 1) && 10 <= a28) && 0 == a11) && a19 <= 0)) || (((((a17 == 8 && a21 == 1) && a19 == 1) && a28 <= 7) && 0 == a11) && a25 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a11) && a17 == 8) && a21 == 1) && a19 == 1) && a28 == 10) || (((a17 <= 8 && a19 == 1) && a25 == 1) && 10 <= a28)) || ((((a17 == 8 && a21 == 1) && a19 == 1) && a25 == 1) && 9 <= a28)) || (((a17 <= 8 && a19 == 1) && a25 == 1) && 0 == a11)) || (((a17 <= 8 && a19 == 1) && a28 <= 7) && a25 == 1)) || (((a17 <= 8 && a28 <= 9) && a19 <= 0) && a25 <= 0)) || (((((a17 == 8 && a21 == 1) && a28 <= 9) && a19 == 1) && a25 <= 0) && 9 <= a28)) || a17 <= 7) || ((((a17 <= 8 && a25 == 1) && 10 <= a28) && 0 == a11) && a19 <= 0)) || (((((a17 == 8 && a21 == 1) && a19 == 1) && a28 <= 7) && 0 == a11) && a25 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-15 09:03:10,972 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