./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label33.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem03_label33.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 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:32:18,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:32:18,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:32:18,220 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:32:18,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:32:18,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:32:18,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:32:18,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:32:18,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:32:18,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:32:18,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:32:18,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:32:18,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:32:18,240 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:32:18,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:32:18,245 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:32:18,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:32:18,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:32:18,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:32:18,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:32:18,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:32:18,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:32:18,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:32:18,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:32:18,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:32:18,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:32:18,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:32:18,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:32:18,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:32:18,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:32:18,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:32:18,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:32:18,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:32:18,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:32:18,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:32:18,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:32:18,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:32:18,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:32:18,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:32:18,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:32:18,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:32:18,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 03:32:18,305 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:32:18,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:32:18,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:32:18,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:32:18,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:32:18,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:32:18,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:32:18,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:32:18,306 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:32:18,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:32:18,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:32:18,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:32:18,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 03:32:18,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:32:18,309 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:32:18,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:32:18,309 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:32:18,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2175eebe64ea8c44232439b071a8f90dfd26c4ea62c7d488d233e915c25d2276 [2021-12-17 03:32:18,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:32:18,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:32:18,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:32:18,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:32:18,521 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:32:18,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-12-17 03:32:18,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c70a98b/30025273e6ca46a69d5b0bf081ba2059/FLAG468e727e1 [2021-12-17 03:32:19,055 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:32:19,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label33.c [2021-12-17 03:32:19,072 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c70a98b/30025273e6ca46a69d5b0bf081ba2059/FLAG468e727e1 [2021-12-17 03:32:19,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c70a98b/30025273e6ca46a69d5b0bf081ba2059 [2021-12-17 03:32:19,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:32:19,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:32:19,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:32:19,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:32:19,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:32:19,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:32:19" (1/1) ... [2021-12-17 03:32:19,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffbb9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:19, skipping insertion in model container [2021-12-17 03:32:19,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:32:19" (1/1) ... [2021-12-17 03:32:19,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:32:19,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:32:19,902 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/Problem03_label33.c[55678,55691] [2021-12-17 03:32:19,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:32:19,938 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:32:20,126 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/Problem03_label33.c[55678,55691] [2021-12-17 03:32:20,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:32:20,174 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:32:20,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20 WrapperNode [2021-12-17 03:32:20,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:32:20,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:32:20,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:32:20,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:32:20,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,278 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-12-17 03:32:20,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:32:20,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:32:20,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:32:20,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:32:20,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,339 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:32:20,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:32:20,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:32:20,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:32:20,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (1/1) ... [2021-12-17 03:32:20,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:32:20,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:20,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 03:32:20,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 03:32:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:32:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 03:32:20,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:32:20,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:32:20,491 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:32:20,492 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:32:21,581 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:32:21,593 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:32:21,594 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:32:21,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:32:21 BoogieIcfgContainer [2021-12-17 03:32:21,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:32:21,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:32:21,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:32:21,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:32:21,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:32:19" (1/3) ... [2021-12-17 03:32:21,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3906cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:32:21, skipping insertion in model container [2021-12-17 03:32:21,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:32:20" (2/3) ... [2021-12-17 03:32:21,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3906cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:32:21, skipping insertion in model container [2021-12-17 03:32:21,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:32:21" (3/3) ... [2021-12-17 03:32:21,602 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label33.c [2021-12-17 03:32:21,605 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:32:21,605 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:32:21,641 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:32:21,645 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 03:32:21,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:32:21,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:21,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-17 03:32:21,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:21,677 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:21,678 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:21,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:21,681 INFO L85 PathProgramCache]: Analyzing trace with hash 263676051, now seen corresponding path program 1 times [2021-12-17 03:32:21,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:21,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803994909] [2021-12-17 03:32:21,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:21,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:22,081 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:22,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803994909] [2021-12-17 03:32:22,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803994909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:22,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:22,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:22,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610973182] [2021-12-17 03:32:22,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:22,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:22,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:22,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:22,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:22,117 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 53.0) internal successors, (159), 2 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) [2021-12-17 03:32:23,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:23,011 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2021-12-17 03:32:23,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:23,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 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 159 [2021-12-17 03:32:23,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:23,028 INFO L225 Difference]: With dead ends: 829 [2021-12-17 03:32:23,028 INFO L226 Difference]: Without dead ends: 463 [2021-12-17 03:32:23,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:23,035 INFO L933 BasicCegarLoop]: 109 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 255 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 255 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:23,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 127 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [255 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 03:32:23,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2021-12-17 03:32:23,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2021-12-17 03:32:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.6183035714285714) internal successors, (725), 448 states have internal predecessors, (725), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2021-12-17 03:32:23,097 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 159 [2021-12-17 03:32:23,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:23,099 INFO L470 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2021-12-17 03:32:23,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 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) [2021-12-17 03:32:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2021-12-17 03:32:23,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-17 03:32:23,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:23,106 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:23,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 03:32:23,107 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:23,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:23,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2003484099, now seen corresponding path program 1 times [2021-12-17 03:32:23,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:23,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823777327] [2021-12-17 03:32:23,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:23,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:23,185 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:23,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823777327] [2021-12-17 03:32:23,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823777327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:23,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:23,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:23,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340015999] [2021-12-17 03:32:23,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:23,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:23,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:23,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:23,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:23,188 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:23,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:23,808 INFO L93 Difference]: Finished difference Result 1321 states and 2146 transitions. [2021-12-17 03:32:23,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:23,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 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 164 [2021-12-17 03:32:23,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:23,813 INFO L225 Difference]: With dead ends: 1321 [2021-12-17 03:32:23,813 INFO L226 Difference]: Without dead ends: 874 [2021-12-17 03:32:23,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:23,814 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 265 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:23,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 133 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:32:23,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-12-17 03:32:23,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 868. [2021-12-17 03:32:23,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 867 states have (on average 1.532871972318339) internal successors, (1329), 867 states have internal predecessors, (1329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:23,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1329 transitions. [2021-12-17 03:32:23,828 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1329 transitions. Word has length 164 [2021-12-17 03:32:23,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:23,828 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 1329 transitions. [2021-12-17 03:32:23,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 2 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:23,829 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1329 transitions. [2021-12-17 03:32:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-17 03:32:23,830 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:23,830 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:23,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 03:32:23,831 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:23,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:23,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1355165481, now seen corresponding path program 1 times [2021-12-17 03:32:23,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:23,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864053437] [2021-12-17 03:32:23,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:23,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:23,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:23,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:23,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864053437] [2021-12-17 03:32:23,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864053437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:23,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:23,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:23,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028279523] [2021-12-17 03:32:23,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:23,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:23,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:23,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:23,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:23,925 INFO L87 Difference]: Start difference. First operand 868 states and 1329 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:24,235 INFO L93 Difference]: Finished difference Result 1710 states and 2622 transitions. [2021-12-17 03:32:24,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:24,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 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 [2021-12-17 03:32:24,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:24,239 INFO L225 Difference]: With dead ends: 1710 [2021-12-17 03:32:24,239 INFO L226 Difference]: Without dead ends: 844 [2021-12-17 03:32:24,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:24,247 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:24,248 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 31 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:32:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2021-12-17 03:32:24,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 844. [2021-12-17 03:32:24,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 843 states have (on average 1.4768683274021353) internal successors, (1245), 843 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1245 transitions. [2021-12-17 03:32:24,280 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1245 transitions. Word has length 172 [2021-12-17 03:32:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:24,280 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1245 transitions. [2021-12-17 03:32:24,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1245 transitions. [2021-12-17 03:32:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-12-17 03:32:24,282 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:24,283 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:24,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 03:32:24,283 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:24,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:24,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1295948983, now seen corresponding path program 1 times [2021-12-17 03:32:24,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:24,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450447607] [2021-12-17 03:32:24,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:24,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:24,330 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 03:32:24,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:24,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450447607] [2021-12-17 03:32:24,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450447607] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:24,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:24,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:24,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030023647] [2021-12-17 03:32:24,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:24,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:24,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:24,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:24,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:24,333 INFO L87 Difference]: Start difference. First operand 844 states and 1245 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:24,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:24,901 INFO L93 Difference]: Finished difference Result 2514 states and 3715 transitions. [2021-12-17 03:32:24,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:24,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 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 173 [2021-12-17 03:32:24,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:24,905 INFO L225 Difference]: With dead ends: 2514 [2021-12-17 03:32:24,905 INFO L226 Difference]: Without dead ends: 1672 [2021-12-17 03:32:24,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:24,907 INFO L933 BasicCegarLoop]: 85 mSDtfsCounter, 231 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:24,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 100 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:24,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-12-17 03:32:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1669. [2021-12-17 03:32:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1669 states, 1668 states have (on average 1.40947242206235) internal successors, (2351), 1668 states have internal predecessors, (2351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1669 states and 2351 transitions. [2021-12-17 03:32:24,931 INFO L78 Accepts]: Start accepts. Automaton has 1669 states and 2351 transitions. Word has length 173 [2021-12-17 03:32:24,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:24,931 INFO L470 AbstractCegarLoop]: Abstraction has 1669 states and 2351 transitions. [2021-12-17 03:32:24,932 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 2 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 2351 transitions. [2021-12-17 03:32:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-17 03:32:24,934 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:24,934 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:24,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 03:32:24,935 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:24,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:24,935 INFO L85 PathProgramCache]: Analyzing trace with hash -995277155, now seen corresponding path program 1 times [2021-12-17 03:32:24,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:24,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127878821] [2021-12-17 03:32:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:24,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 03:32:24,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:24,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127878821] [2021-12-17 03:32:24,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127878821] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:24,985 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:24,985 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:24,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801656103] [2021-12-17 03:32:24,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:24,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:24,986 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:24,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:24,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:24,987 INFO L87 Difference]: Start difference. First operand 1669 states and 2351 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:25,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:25,550 INFO L93 Difference]: Finished difference Result 4165 states and 5847 transitions. [2021-12-17 03:32:25,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:25,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 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 174 [2021-12-17 03:32:25,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:25,558 INFO L225 Difference]: With dead ends: 4165 [2021-12-17 03:32:25,558 INFO L226 Difference]: Without dead ends: 2498 [2021-12-17 03:32:25,560 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:25,560 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 211 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:25,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [211 Valid, 120 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:25,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2021-12-17 03:32:25,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2495. [2021-12-17 03:32:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2494 states have (on average 1.3893344025661587) internal successors, (3465), 2494 states have internal predecessors, (3465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 3465 transitions. [2021-12-17 03:32:25,595 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 3465 transitions. Word has length 174 [2021-12-17 03:32:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:25,595 INFO L470 AbstractCegarLoop]: Abstraction has 2495 states and 3465 transitions. [2021-12-17 03:32:25,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 2 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 3465 transitions. [2021-12-17 03:32:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-17 03:32:25,599 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:25,600 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:25,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 03:32:25,600 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:25,600 INFO L85 PathProgramCache]: Analyzing trace with hash 372167000, now seen corresponding path program 1 times [2021-12-17 03:32:25,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:25,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761006907] [2021-12-17 03:32:25,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:25,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-12-17 03:32:25,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:25,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761006907] [2021-12-17 03:32:25,667 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761006907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:25,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:25,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:25,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776013852] [2021-12-17 03:32:25,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:25,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:25,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:25,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:25,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:25,669 INFO L87 Difference]: Start difference. First operand 2495 states and 3465 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:26,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:26,257 INFO L93 Difference]: Finished difference Result 7443 states and 10339 transitions. [2021-12-17 03:32:26,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:26,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2021-12-17 03:32:26,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:26,270 INFO L225 Difference]: With dead ends: 7443 [2021-12-17 03:32:26,270 INFO L226 Difference]: Without dead ends: 4950 [2021-12-17 03:32:26,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:26,274 INFO L933 BasicCegarLoop]: 91 mSDtfsCounter, 229 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:26,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 110 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:26,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4950 states. [2021-12-17 03:32:26,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4950 to 4948. [2021-12-17 03:32:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4948 states, 4947 states have (on average 1.3418233272690518) internal successors, (6638), 4947 states have internal predecessors, (6638), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4948 states to 4948 states and 6638 transitions. [2021-12-17 03:32:26,339 INFO L78 Accepts]: Start accepts. Automaton has 4948 states and 6638 transitions. Word has length 176 [2021-12-17 03:32:26,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:26,339 INFO L470 AbstractCegarLoop]: Abstraction has 4948 states and 6638 transitions. [2021-12-17 03:32:26,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 2 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:26,340 INFO L276 IsEmpty]: Start isEmpty. Operand 4948 states and 6638 transitions. [2021-12-17 03:32:26,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-17 03:32:26,345 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:26,346 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:26,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 03:32:26,346 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:26,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash 538246738, now seen corresponding path program 1 times [2021-12-17 03:32:26,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:26,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812468689] [2021-12-17 03:32:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:26,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:26,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:26,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812468689] [2021-12-17 03:32:26,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812468689] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:26,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148430309] [2021-12-17 03:32:26,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:26,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:26,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:26,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:26,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 03:32:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:26,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:26,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:26,771 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:32:26,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:26,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148430309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:26,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:26,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-17 03:32:26,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680341637] [2021-12-17 03:32:26,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:26,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:26,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:26,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:26,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:26,775 INFO L87 Difference]: Start difference. First operand 4948 states and 6638 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:27,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:27,294 INFO L93 Difference]: Finished difference Result 13954 states and 18783 transitions. [2021-12-17 03:32:27,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:27,294 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-12-17 03:32:27,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:27,354 INFO L225 Difference]: With dead ends: 13954 [2021-12-17 03:32:27,354 INFO L226 Difference]: Without dead ends: 9008 [2021-12-17 03:32:27,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:27,360 INFO L933 BasicCegarLoop]: 354 mSDtfsCounter, 210 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:27,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [210 Valid, 376 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 03:32:27,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9008 states. [2021-12-17 03:32:27,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9008 to 9006. [2021-12-17 03:32:27,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9006 states, 9005 states have (on average 1.224541921154914) internal successors, (11027), 9005 states have internal predecessors, (11027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9006 states to 9006 states and 11027 transitions. [2021-12-17 03:32:27,529 INFO L78 Accepts]: Start accepts. Automaton has 9006 states and 11027 transitions. Word has length 181 [2021-12-17 03:32:27,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:27,530 INFO L470 AbstractCegarLoop]: Abstraction has 9006 states and 11027 transitions. [2021-12-17 03:32:27,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:27,530 INFO L276 IsEmpty]: Start isEmpty. Operand 9006 states and 11027 transitions. [2021-12-17 03:32:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-17 03:32:27,555 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:27,555 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:27,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:27,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:27,773 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:27,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:27,773 INFO L85 PathProgramCache]: Analyzing trace with hash -802689500, now seen corresponding path program 1 times [2021-12-17 03:32:27,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:27,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123769075] [2021-12-17 03:32:27,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:27,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:27,855 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:27,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:27,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123769075] [2021-12-17 03:32:27,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123769075] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:27,856 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:27,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:27,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331227044] [2021-12-17 03:32:27,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:27,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:27,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:27,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:27,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:27,857 INFO L87 Difference]: Start difference. First operand 9006 states and 11027 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:28,504 INFO L93 Difference]: Finished difference Result 22111 states and 27155 transitions. [2021-12-17 03:32:28,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:28,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 200 [2021-12-17 03:32:28,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:28,547 INFO L225 Difference]: With dead ends: 22111 [2021-12-17 03:32:28,547 INFO L226 Difference]: Without dead ends: 13107 [2021-12-17 03:32:28,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:28,558 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 186 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 666 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:28,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 146 Invalid, 701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 666 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:32:28,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13107 states. [2021-12-17 03:32:28,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13107 to 13104. [2021-12-17 03:32:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13104 states, 13103 states have (on average 1.2226207738685797) internal successors, (16020), 13103 states have internal predecessors, (16020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:28,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13104 states to 13104 states and 16020 transitions. [2021-12-17 03:32:28,720 INFO L78 Accepts]: Start accepts. Automaton has 13104 states and 16020 transitions. Word has length 200 [2021-12-17 03:32:28,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:28,720 INFO L470 AbstractCegarLoop]: Abstraction has 13104 states and 16020 transitions. [2021-12-17 03:32:28,721 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 2 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:28,721 INFO L276 IsEmpty]: Start isEmpty. Operand 13104 states and 16020 transitions. [2021-12-17 03:32:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-17 03:32:28,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:28,734 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:28,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 03:32:28,734 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:28,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:28,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1201761841, now seen corresponding path program 1 times [2021-12-17 03:32:28,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:28,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335404929] [2021-12-17 03:32:28,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:28,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:32:28,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:28,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335404929] [2021-12-17 03:32:28,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335404929] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:28,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497506148] [2021-12-17 03:32:28,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:28,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:28,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:28,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:28,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 03:32:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:28,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:28,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:29,279 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:32:29,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:29,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497506148] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:29,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:29,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:32:29,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284819441] [2021-12-17 03:32:29,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:29,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:29,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:29,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:29,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:29,281 INFO L87 Difference]: Start difference. First operand 13104 states and 16020 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:29,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:29,926 INFO L93 Difference]: Finished difference Result 34373 states and 42497 transitions. [2021-12-17 03:32:29,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:29,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-12-17 03:32:29,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:29,956 INFO L225 Difference]: With dead ends: 34373 [2021-12-17 03:32:29,956 INFO L226 Difference]: Without dead ends: 21474 [2021-12-17 03:32:29,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:29,963 INFO L933 BasicCegarLoop]: 117 mSDtfsCounter, 72 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:29,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 144 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:29,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21474 states. [2021-12-17 03:32:30,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21474 to 19823. [2021-12-17 03:32:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19823 states, 19822 states have (on average 1.248511754616083) internal successors, (24748), 19822 states have internal predecessors, (24748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19823 states to 19823 states and 24748 transitions. [2021-12-17 03:32:30,265 INFO L78 Accepts]: Start accepts. Automaton has 19823 states and 24748 transitions. Word has length 207 [2021-12-17 03:32:30,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:30,266 INFO L470 AbstractCegarLoop]: Abstraction has 19823 states and 24748 transitions. [2021-12-17 03:32:30,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:30,267 INFO L276 IsEmpty]: Start isEmpty. Operand 19823 states and 24748 transitions. [2021-12-17 03:32:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-12-17 03:32:30,295 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:30,295 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:30,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:30,514 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,SelfDestructingSolverStorable8 [2021-12-17 03:32:30,514 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:30,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1439346150, now seen corresponding path program 1 times [2021-12-17 03:32:30,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:30,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139611853] [2021-12-17 03:32:30,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:30,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-12-17 03:32:30,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:30,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139611853] [2021-12-17 03:32:30,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139611853] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:30,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:30,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:30,576 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366937380] [2021-12-17 03:32:30,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:30,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:30,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:30,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:30,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:30,578 INFO L87 Difference]: Start difference. First operand 19823 states and 24748 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:31,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:31,215 INFO L93 Difference]: Finished difference Result 41886 states and 52066 transitions. [2021-12-17 03:32:31,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:31,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 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 224 [2021-12-17 03:32:31,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:31,252 INFO L225 Difference]: With dead ends: 41886 [2021-12-17 03:32:31,252 INFO L226 Difference]: Without dead ends: 22471 [2021-12-17 03:32:31,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:31,271 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 187 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:31,272 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 146 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22471 states. [2021-12-17 03:32:31,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22471 to 22262. [2021-12-17 03:32:31,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22262 states, 22261 states have (on average 1.237680247967297) internal successors, (27552), 22261 states have internal predecessors, (27552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22262 states to 22262 states and 27552 transitions. [2021-12-17 03:32:31,687 INFO L78 Accepts]: Start accepts. Automaton has 22262 states and 27552 transitions. Word has length 224 [2021-12-17 03:32:31,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:31,688 INFO L470 AbstractCegarLoop]: Abstraction has 22262 states and 27552 transitions. [2021-12-17 03:32:31,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22262 states and 27552 transitions. [2021-12-17 03:32:31,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-12-17 03:32:31,711 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:31,711 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:31,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 03:32:31,712 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:31,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:31,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1589267323, now seen corresponding path program 1 times [2021-12-17 03:32:31,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:31,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233872916] [2021-12-17 03:32:31,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:31,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-12-17 03:32:31,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233872916] [2021-12-17 03:32:31,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233872916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:31,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:31,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:32:31,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935887774] [2021-12-17 03:32:31,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:31,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:31,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:31,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:31,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:31,773 INFO L87 Difference]: Start difference. First operand 22262 states and 27552 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:32,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:32,425 INFO L93 Difference]: Finished difference Result 45132 states and 55596 transitions. [2021-12-17 03:32:32,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:32,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 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 236 [2021-12-17 03:32:32,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:32,453 INFO L225 Difference]: With dead ends: 45132 [2021-12-17 03:32:32,454 INFO L226 Difference]: Without dead ends: 24499 [2021-12-17 03:32:32,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:32,470 INFO L933 BasicCegarLoop]: 122 mSDtfsCounter, 196 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:32,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [196 Valid, 137 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24499 states. [2021-12-17 03:32:32,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24499 to 23683. [2021-12-17 03:32:32,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23683 states, 23682 states have (on average 1.2255299383498015) internal successors, (29023), 23682 states have internal predecessors, (29023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23683 states to 23683 states and 29023 transitions. [2021-12-17 03:32:32,781 INFO L78 Accepts]: Start accepts. Automaton has 23683 states and 29023 transitions. Word has length 236 [2021-12-17 03:32:32,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:32,781 INFO L470 AbstractCegarLoop]: Abstraction has 23683 states and 29023 transitions. [2021-12-17 03:32:32,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:32,781 INFO L276 IsEmpty]: Start isEmpty. Operand 23683 states and 29023 transitions. [2021-12-17 03:32:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-17 03:32:32,801 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:32,801 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:32,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 03:32:32,801 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:32,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:32,802 INFO L85 PathProgramCache]: Analyzing trace with hash -516177699, now seen corresponding path program 1 times [2021-12-17 03:32:32,802 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:32,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952278288] [2021-12-17 03:32:32,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:32,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 93 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-17 03:32:32,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:32,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952278288] [2021-12-17 03:32:32,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952278288] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:32,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460221661] [2021-12-17 03:32:32,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:32,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:32,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:32,892 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:32,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 03:32:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:33,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:33,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-17 03:32:33,348 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:33,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460221661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:33,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:33,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:32:33,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315122918] [2021-12-17 03:32:33,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:33,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:33,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:33,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:33,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:33,350 INFO L87 Difference]: Start difference. First operand 23683 states and 29023 transitions. Second operand has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:34,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:34,118 INFO L93 Difference]: Finished difference Result 55886 states and 69659 transitions. [2021-12-17 03:32:34,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:34,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 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 [2021-12-17 03:32:34,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:34,158 INFO L225 Difference]: With dead ends: 55886 [2021-12-17 03:32:34,158 INFO L226 Difference]: Without dead ends: 33629 [2021-12-17 03:32:34,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:34,180 INFO L933 BasicCegarLoop]: 115 mSDtfsCounter, 197 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:34,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 135 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 03:32:34,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33629 states. [2021-12-17 03:32:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33629 to 33627. [2021-12-17 03:32:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33627 states, 33626 states have (on average 1.1876821507167072) internal successors, (39937), 33626 states have internal predecessors, (39937), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:34,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33627 states to 33627 states and 39937 transitions. [2021-12-17 03:32:34,618 INFO L78 Accepts]: Start accepts. Automaton has 33627 states and 39937 transitions. Word has length 241 [2021-12-17 03:32:34,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:34,618 INFO L470 AbstractCegarLoop]: Abstraction has 33627 states and 39937 transitions. [2021-12-17 03:32:34,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 76.66666666666667) internal successors, (230), 3 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:34,619 INFO L276 IsEmpty]: Start isEmpty. Operand 33627 states and 39937 transitions. [2021-12-17 03:32:34,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-17 03:32:34,638 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:34,638 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:34,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-17 03:32:34,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:34,856 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:34,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:34,857 INFO L85 PathProgramCache]: Analyzing trace with hash -777532672, now seen corresponding path program 1 times [2021-12-17 03:32:34,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:34,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133794090] [2021-12-17 03:32:34,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:34,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:34,940 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 139 proven. 12 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-12-17 03:32:34,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:34,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133794090] [2021-12-17 03:32:34,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133794090] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:34,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518958247] [2021-12-17 03:32:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:34,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:34,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:34,942 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:34,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 03:32:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:35,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:32:35,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-17 03:32:35,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:35,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518958247] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:35,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:35,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 03:32:35,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064911538] [2021-12-17 03:32:35,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:35,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:35,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:35,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:35,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:35,404 INFO L87 Difference]: Start difference. First operand 33627 states and 39937 transitions. Second operand has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:36,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:36,291 INFO L93 Difference]: Finished difference Result 77829 states and 92837 transitions. [2021-12-17 03:32:36,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:36,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 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 256 [2021-12-17 03:32:36,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:36,348 INFO L225 Difference]: With dead ends: 77829 [2021-12-17 03:32:36,348 INFO L226 Difference]: Without dead ends: 46034 [2021-12-17 03:32:36,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:36,375 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 219 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:36,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 126 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:32:36,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46034 states. [2021-12-17 03:32:36,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46034 to 45424. [2021-12-17 03:32:36,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45424 states, 45423 states have (on average 1.1773110538713867) internal successors, (53477), 45423 states have internal predecessors, (53477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:36,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45424 states to 45424 states and 53477 transitions. [2021-12-17 03:32:36,912 INFO L78 Accepts]: Start accepts. Automaton has 45424 states and 53477 transitions. Word has length 256 [2021-12-17 03:32:36,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:36,912 INFO L470 AbstractCegarLoop]: Abstraction has 45424 states and 53477 transitions. [2021-12-17 03:32:36,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:36,913 INFO L276 IsEmpty]: Start isEmpty. Operand 45424 states and 53477 transitions. [2021-12-17 03:32:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-17 03:32:36,944 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:36,944 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:36,975 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-17 03:32:37,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:37,163 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:37,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:37,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1468451203, now seen corresponding path program 1 times [2021-12-17 03:32:37,163 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:37,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369333139] [2021-12-17 03:32:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:37,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-12-17 03:32:37,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:37,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369333139] [2021-12-17 03:32:37,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369333139] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:37,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330426855] [2021-12-17 03:32:37,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:37,238 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:37,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:37,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 03:32:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:37,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 03:32:37,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-12-17 03:32:37,880 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:37,880 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330426855] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:37,880 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:37,881 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-17 03:32:37,881 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804495066] [2021-12-17 03:32:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:37,881 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:37,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:37,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:37,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:37,882 INFO L87 Difference]: Start difference. First operand 45424 states and 53477 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:38,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:38,745 INFO L93 Difference]: Finished difference Result 81062 states and 95471 transitions. [2021-12-17 03:32:38,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:38,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281 [2021-12-17 03:32:38,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:38,791 INFO L225 Difference]: With dead ends: 81062 [2021-12-17 03:32:38,792 INFO L226 Difference]: Without dead ends: 37470 [2021-12-17 03:32:38,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:32:38,817 INFO L933 BasicCegarLoop]: 315 mSDtfsCounter, 186 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:38,818 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 330 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:38,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37470 states. [2021-12-17 03:32:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37470 to 37469. [2021-12-17 03:32:39,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37469 states, 37468 states have (on average 1.144283121597096) internal successors, (42874), 37468 states have internal predecessors, (42874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:39,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37469 states to 37469 states and 42874 transitions. [2021-12-17 03:32:39,368 INFO L78 Accepts]: Start accepts. Automaton has 37469 states and 42874 transitions. Word has length 281 [2021-12-17 03:32:39,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:39,368 INFO L470 AbstractCegarLoop]: Abstraction has 37469 states and 42874 transitions. [2021-12-17 03:32:39,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:39,368 INFO L276 IsEmpty]: Start isEmpty. Operand 37469 states and 42874 transitions. [2021-12-17 03:32:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-12-17 03:32:39,400 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:39,400 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:39,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:39,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-12-17 03:32:39,618 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:39,618 INFO L85 PathProgramCache]: Analyzing trace with hash 942817372, now seen corresponding path program 1 times [2021-12-17 03:32:39,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:39,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589909396] [2021-12-17 03:32:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:39,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 171 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-12-17 03:32:39,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:39,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589909396] [2021-12-17 03:32:39,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589909396] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:39,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009274731] [2021-12-17 03:32:39,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:39,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:39,744 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:39,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 03:32:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:39,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 03:32:39,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:40,463 INFO L134 CoverageAnalysis]: Checked inductivity of 304 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-17 03:32:40,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:40,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009274731] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:40,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:40,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 03:32:40,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14348451] [2021-12-17 03:32:40,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:40,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:40,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:40,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:40,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:40,471 INFO L87 Difference]: Start difference. First operand 37469 states and 42874 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:41,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:41,044 INFO L93 Difference]: Finished difference Result 96512 states and 110691 transitions. [2021-12-17 03:32:41,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:41,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 317 [2021-12-17 03:32:41,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:41,148 INFO L225 Difference]: With dead ends: 96512 [2021-12-17 03:32:41,148 INFO L226 Difference]: Without dead ends: 60875 [2021-12-17 03:32:41,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:41,179 INFO L933 BasicCegarLoop]: 619 mSDtfsCounter, 238 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:41,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 886 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 03:32:41,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60875 states. [2021-12-17 03:32:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60875 to 56386. [2021-12-17 03:32:41,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56386 states, 56385 states have (on average 1.1371464041855104) internal successors, (64118), 56385 states have internal predecessors, (64118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56386 states to 56386 states and 64118 transitions. [2021-12-17 03:32:41,882 INFO L78 Accepts]: Start accepts. Automaton has 56386 states and 64118 transitions. Word has length 317 [2021-12-17 03:32:41,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:41,882 INFO L470 AbstractCegarLoop]: Abstraction has 56386 states and 64118 transitions. [2021-12-17 03:32:41,883 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 56386 states and 64118 transitions. [2021-12-17 03:32:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-17 03:32:41,925 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:41,926 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:41,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 03:32:42,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-12-17 03:32:42,144 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:42,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:42,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1309253379, now seen corresponding path program 1 times [2021-12-17 03:32:42,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:42,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462861895] [2021-12-17 03:32:42,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:42,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-12-17 03:32:42,233 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:42,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462861895] [2021-12-17 03:32:42,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462861895] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:42,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:32:42,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:32:42,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030123746] [2021-12-17 03:32:42,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:42,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:42,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:42,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:42,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:42,235 INFO L87 Difference]: Start difference. First operand 56386 states and 64118 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:43,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:43,250 INFO L93 Difference]: Finished difference Result 108078 states and 122821 transitions. [2021-12-17 03:32:43,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:43,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 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 320 [2021-12-17 03:32:43,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:43,317 INFO L225 Difference]: With dead ends: 108078 [2021-12-17 03:32:43,317 INFO L226 Difference]: Without dead ends: 52507 [2021-12-17 03:32:43,353 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:32:43,354 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 224 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:43,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [224 Valid, 321 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-17 03:32:43,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52507 states. [2021-12-17 03:32:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52507 to 43565. [2021-12-17 03:32:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43565 states, 43564 states have (on average 1.1046965384262235) internal successors, (48125), 43564 states have internal predecessors, (48125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:44,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43565 states to 43565 states and 48125 transitions. [2021-12-17 03:32:44,201 INFO L78 Accepts]: Start accepts. Automaton has 43565 states and 48125 transitions. Word has length 320 [2021-12-17 03:32:44,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:44,201 INFO L470 AbstractCegarLoop]: Abstraction has 43565 states and 48125 transitions. [2021-12-17 03:32:44,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:44,202 INFO L276 IsEmpty]: Start isEmpty. Operand 43565 states and 48125 transitions. [2021-12-17 03:32:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-12-17 03:32:44,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:32:44,237 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:44,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 03:32:44,237 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:32:44,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:32:44,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1458274753, now seen corresponding path program 1 times [2021-12-17 03:32:44,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:32:44,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801904476] [2021-12-17 03:32:44,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:44,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:32:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:44,431 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 196 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-17 03:32:44,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:32:44,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801904476] [2021-12-17 03:32:44,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801904476] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:32:44,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763925354] [2021-12-17 03:32:44,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:32:44,432 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:44,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:32:44,433 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:32:44,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 03:32:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:32:44,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 03:32:44,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:32:44,891 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-12-17 03:32:44,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:32:44,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763925354] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:32:44,892 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:32:44,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 03:32:44,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053747898] [2021-12-17 03:32:44,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:32:44,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:32:44,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:32:44,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:32:44,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:44,894 INFO L87 Difference]: Start difference. First operand 43565 states and 48125 transitions. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:45,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:32:45,535 INFO L93 Difference]: Finished difference Result 82032 states and 90539 transitions. [2021-12-17 03:32:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:32:45,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 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 340 [2021-12-17 03:32:45,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:32:45,536 INFO L225 Difference]: With dead ends: 82032 [2021-12-17 03:32:45,536 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 03:32:45,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:32:45,563 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 235 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:32:45,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [235 Valid, 334 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:32:45,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 03:32:45,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 03:32:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 03:32:45,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2021-12-17 03:32:45,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:32:45,565 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 03:32:45,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:32:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 03:32:45,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 03:32:45,567 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:32:45,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-17 03:32:45,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:32:45,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 03:32:52,279 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-12-17 03:32:52,279 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-12-17 03:32:52,279 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,280 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,281 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,282 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,283 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,284 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,285 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,286 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,287 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,287 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,287 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,287 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,287 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,287 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,294 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,294 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-12-17 03:32:52,294 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,295 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1522) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-12-17 03:32:52,296 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,297 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,298 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,299 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-12-17 03:32:52,300 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-12-17 03:32:52,301 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-12-17 03:32:52,301 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,301 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,301 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,303 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (= ~a26~0 ~a8~0)) (.cse2 (= ~a12~0 ~a8~0)) (.cse5 (<= ~a3~0 0)) (.cse10 (= ~a12~0 1)) (.cse13 (<= ~a26~0 0)) (.cse8 (= ~a11~0 ~a12~0)) (.cse9 (= ~a6~0 1)) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a27~0 1)) (.cse0 (= ~a5~0 1)) (.cse11 (= 0 ~a6~0)) (.cse4 (= 0 ~a12~0)) (.cse12 (<= ~a3~0 1)) (.cse6 (<= ~a11~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse11 .cse6) (and .cse0 .cse7 .cse4 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse4 .cse6 .cse9) (and .cse0 .cse7 .cse11 .cse4 .cse12) (and .cse0 .cse7 .cse11 .cse4 .cse13) (and .cse0 (= ~a6~0 ~a20~0) .cse3 .cse11 .cse4 .cse6) (and .cse0 .cse10 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse3 .cse5) (and .cse0 .cse10 .cse7 .cse11) (and .cse0 .cse8 (= ~a20~0 1) .cse7 .cse13 .cse12 .cse9) (and .cse0 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse7 .cse3 .cse11 .cse4) (and .cse0 .cse11 .cse4 .cse12 .cse6))) [2021-12-17 03:32:52,303 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,303 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,303 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,308 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-12-17 03:32:52,308 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-12-17 03:32:52,308 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,308 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,309 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,309 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-12-17 03:32:52,309 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,309 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,321 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,322 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-12-17 03:32:52,323 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,324 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,324 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-12-17 03:32:52,324 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-12-17 03:32:52,324 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,324 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (= ~a26~0 ~a8~0)) (.cse2 (= ~a12~0 ~a8~0)) (.cse5 (<= ~a3~0 0)) (.cse10 (= ~a12~0 1)) (.cse13 (<= ~a26~0 0)) (.cse8 (= ~a11~0 ~a12~0)) (.cse9 (= ~a6~0 1)) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a27~0 1)) (.cse0 (= ~a5~0 1)) (.cse11 (= 0 ~a6~0)) (.cse4 (= 0 ~a12~0)) (.cse12 (<= ~a3~0 1)) (.cse6 (<= ~a11~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse7 .cse3 .cse4 .cse5) (and .cse0 .cse8 .cse7 .cse5 .cse9) (and .cse0 .cse10 .cse11 .cse6) (and .cse0 .cse7 .cse4 .cse9) (and .cse0 .cse4 .cse6 .cse9) (and .cse10 .cse0 .cse1 .cse2 .cse3 .cse5 .cse6) (and .cse0 .cse7 .cse11 .cse4 .cse12) (and .cse0 .cse7 .cse11 .cse4 .cse13) (and .cse0 (= ~a6~0 ~a20~0) .cse3 .cse11 .cse4 .cse6) (and .cse0 .cse10 .cse6 .cse9) (and .cse0 .cse1 .cse2 .cse8 .cse7 .cse3 .cse5) (and .cse0 .cse10 .cse7 .cse11) (and .cse0 .cse8 (= ~a20~0 1) .cse7 .cse13 .cse12 .cse9) (and .cse0 .cse8 .cse7 .cse3 .cse9) (and .cse0 .cse7 .cse3 .cse11 .cse4) (and .cse0 .cse11 .cse4 .cse12 .cse6))) [2021-12-17 03:32:52,324 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,324 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,325 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,325 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,325 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-12-17 03:32:52,325 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-12-17 03:32:52,325 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,326 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,326 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,326 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,326 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,327 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,327 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,328 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,329 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-12-17 03:32:52,329 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,329 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,329 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,329 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,330 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,330 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-12-17 03:32:52,330 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,331 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-12-17 03:32:52,331 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-12-17 03:32:52,331 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-12-17 03:32:52,331 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,331 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,331 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,332 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,332 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,332 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,333 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,333 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,333 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,334 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,335 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,336 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,336 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-12-17 03:32:52,336 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-12-17 03:32:52,336 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-12-17 03:32:52,336 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,343 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,343 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,344 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-12-17 03:32:52,345 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-12-17 03:32:52,346 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,346 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,346 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-12-17 03:32:52,351 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:32:52,354 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:32:52,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:32:52 BoogieIcfgContainer [2021-12-17 03:32:52,407 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:32:52,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:32:52,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:32:52,408 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:32:52,408 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:32:21" (3/4) ... [2021-12-17 03:32:52,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 03:32:52,437 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 03:32:52,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 03:32:52,440 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 03:32:52,442 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 03:32:52,575 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 03:32:52,575 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:32:52,576 INFO L158 Benchmark]: Toolchain (without parser) took 33190.62ms. Allocated memory was 104.9MB in the beginning and 6.5GB in the end (delta: 6.4GB). Free memory was 69.9MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 2.7GB. Max. memory is 16.1GB. [2021-12-17 03:32:52,577 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:32:52,577 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.01ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.6MB in the beginning and 92.1MB in the end (delta: -22.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2021-12-17 03:32:52,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.90ms. Allocated memory is still 125.8MB. Free memory was 92.1MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 03:32:52,578 INFO L158 Benchmark]: Boogie Preprocessor took 100.99ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 67.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 03:32:52,578 INFO L158 Benchmark]: RCFGBuilder took 1214.09ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 67.8MB in the beginning and 102.3MB in the end (delta: -34.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2021-12-17 03:32:52,579 INFO L158 Benchmark]: TraceAbstraction took 30809.96ms. Allocated memory was 186.6MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 101.2MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2021-12-17 03:32:52,579 INFO L158 Benchmark]: Witness Printer took 167.72ms. Allocated memory is still 6.5GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-17 03:32:52,582 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 104.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.01ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.6MB in the beginning and 92.1MB in the end (delta: -22.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.90ms. Allocated memory is still 125.8MB. Free memory was 92.1MB in the beginning and 77.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.99ms. Allocated memory is still 125.8MB. Free memory was 77.5MB in the beginning and 67.8MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1214.09ms. Allocated memory was 125.8MB in the beginning and 186.6MB in the end (delta: 60.8MB). Free memory was 67.8MB in the beginning and 102.3MB in the end (delta: -34.5MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * TraceAbstraction took 30809.96ms. Allocated memory was 186.6MB in the beginning and 6.5GB in the end (delta: 6.3GB). Free memory was 101.2MB in the beginning and 3.8GB in the end (delta: -3.7GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. * Witness Printer took 167.72ms. Allocated memory is still 6.5GB. Free memory was 3.8GB in the beginning and 3.8GB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. 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: 1522]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 30.7s, OverallIterations: 17, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3547 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3547 mSDsluCounter, 3702 SdHoareTripleChecker+Invalid, 7.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 554 mSDsCounter, 1454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9275 IncrementalHoareTripleChecker+Invalid, 10729 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1454 mSolverCounterUnsat, 3148 mSDtfsCounter, 9275 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1862 GetRequests, 1828 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56386occurred in iteration=15, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 17 MinimizatonAttempts, 16753 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 395 NumberOfFragments, 583 HoareAnnotationTreeSize, 3 FomulaSimplifications, 276 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 14228 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 5644 NumberOfCodeBlocks, 5644 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 5620 ConstructedInterpolants, 0 QuantifiedInterpolants, 11222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3804 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 24 InterpolantComputations, 17 PerfectInterpolantSequences, 3129/3189 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a5 == 1 && a26 == a8) && a12 == a8) && a27 == 1) && 0 == a12) && a3 <= 0) && a11 <= 0) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == 1) && a27 == 1) && 0 == a12) && a3 <= 0)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a3 <= 0) && a6 == 1)) || (((a5 == 1 && a12 == 1) && 0 == a6) && a11 <= 0)) || (((a5 == 1 && a11 == 1) && 0 == a12) && a6 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 == a8) && a12 == a8) && a27 == 1) && a3 <= 0) && a11 <= 0)) || (((a5 == 1 && 0 == a12) && a11 <= 0) && a6 == 1)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a3 <= 1)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a26 <= 0)) || (((((a5 == 1 && a6 == a20) && a27 == 1) && 0 == a6) && 0 == a12) && a11 <= 0)) || (((a5 == 1 && a12 == 1) && a11 <= 0) && a6 == 1)) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == a12) && a11 == 1) && a27 == 1) && a3 <= 0)) || (((a5 == 1 && a12 == 1) && a11 == 1) && 0 == a6)) || ((((((a5 == 1 && a11 == a12) && a20 == 1) && a11 == 1) && a26 <= 0) && a3 <= 1) && a6 == 1)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a27 == 1) && a6 == 1)) || ((((a5 == 1 && a11 == 1) && a27 == 1) && 0 == a6) && 0 == a12)) || ((((a5 == 1 && 0 == a6) && 0 == a12) && a3 <= 1) && a11 <= 0) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a5 == 1 && a26 == a8) && a12 == a8) && a27 == 1) && 0 == a12) && a3 <= 0) && a11 <= 0) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == 1) && a27 == 1) && 0 == a12) && a3 <= 0)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a3 <= 0) && a6 == 1)) || (((a5 == 1 && a12 == 1) && 0 == a6) && a11 <= 0)) || (((a5 == 1 && a11 == 1) && 0 == a12) && a6 == 1)) || (((a5 == 1 && 0 == a12) && a11 <= 0) && a6 == 1)) || ((((((a12 == 1 && a5 == 1) && a26 == a8) && a12 == a8) && a27 == 1) && a3 <= 0) && a11 <= 0)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a3 <= 1)) || ((((a5 == 1 && a11 == 1) && 0 == a6) && 0 == a12) && a26 <= 0)) || (((((a5 == 1 && a6 == a20) && a27 == 1) && 0 == a6) && 0 == a12) && a11 <= 0)) || (((a5 == 1 && a12 == 1) && a11 <= 0) && a6 == 1)) || ((((((a5 == 1 && a26 == a8) && a12 == a8) && a11 == a12) && a11 == 1) && a27 == 1) && a3 <= 0)) || (((a5 == 1 && a12 == 1) && a11 == 1) && 0 == a6)) || ((((((a5 == 1 && a11 == a12) && a20 == 1) && a11 == 1) && a26 <= 0) && a3 <= 1) && a6 == 1)) || ((((a5 == 1 && a11 == a12) && a11 == 1) && a27 == 1) && a6 == 1)) || ((((a5 == 1 && a11 == 1) && a27 == 1) && 0 == a6) && 0 == a12)) || ((((a5 == 1 && 0 == a6) && 0 == a12) && a3 <= 1) && a11 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 03:32:52,648 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