./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c36dfa3b 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/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 20eb94b804a564a6c4a2d7399a71eda5405452f759d926c5fd08d59b4094c028 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-c36dfa3 [2021-11-04 01:57:57,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-04 01:57:57,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-04 01:57:57,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-04 01:57:57,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-04 01:57:57,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-04 01:57:57,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-04 01:57:57,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-04 01:57:57,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-04 01:57:57,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-04 01:57:57,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-04 01:57:57,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-04 01:57:57,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-04 01:57:57,285 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-04 01:57:57,286 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-04 01:57:57,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-04 01:57:57,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-04 01:57:57,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-04 01:57:57,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-04 01:57:57,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-04 01:57:57,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-04 01:57:57,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-04 01:57:57,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-04 01:57:57,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-04 01:57:57,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-04 01:57:57,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-04 01:57:57,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-04 01:57:57,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-04 01:57:57,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-04 01:57:57,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-04 01:57:57,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-04 01:57:57,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-04 01:57:57,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-04 01:57:57,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-04 01:57:57,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-04 01:57:57,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-04 01:57:57,326 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-04 01:57:57,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-04 01:57:57,327 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-04 01:57:57,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-04 01:57:57,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-04 01:57:57,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-04 01:57:57,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-04 01:57:57,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-04 01:57:57,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-04 01:57:57,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-04 01:57:57,356 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-04 01:57:57,356 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-04 01:57:57,356 INFO L138 SettingsManager]: * Use SBE=true [2021-11-04 01:57:57,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-04 01:57:57,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-04 01:57:57,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-04 01:57:57,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-04 01:57:57,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-04 01:57:57,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-04 01:57:57,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-04 01:57:57,358 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-04 01:57:57,358 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-04 01:57:57,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-04 01:57:57,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-04 01:57:57,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-04 01:57:57,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:57:57,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-04 01:57:57,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-04 01:57:57,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-04 01:57:57,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-04 01:57:57,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-04 01:57:57,359 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-04 01:57:57,359 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-04 01:57:57,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-04 01:57:57,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-04 01:57:57,360 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20eb94b804a564a6c4a2d7399a71eda5405452f759d926c5fd08d59b4094c028 [2021-11-04 01:57:57,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-04 01:57:57,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-04 01:57:57,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-04 01:57:57,585 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-04 01:57:57,586 INFO L275 PluginConnector]: CDTParser initialized [2021-11-04 01:57:57,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-04 01:57:57,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339db9c2c/ae1a2173360140e08ed78856315cca41/FLAGcbeddaf23 [2021-11-04 01:57:58,323 INFO L306 CDTParser]: Found 1 translation units. [2021-11-04 01:57:58,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-04 01:57:58,367 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339db9c2c/ae1a2173360140e08ed78856315cca41/FLAGcbeddaf23 [2021-11-04 01:57:58,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/339db9c2c/ae1a2173360140e08ed78856315cca41 [2021-11-04 01:57:58,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-04 01:57:58,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-04 01:57:58,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-04 01:57:58,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-04 01:57:58,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-04 01:57:58,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:57:58" (1/1) ... [2021-11-04 01:57:58,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5216c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:57:58, skipping insertion in model container [2021-11-04 01:57:58,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 01:57:58" (1/1) ... [2021-11-04 01:57:58,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-04 01:57:58,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-04 01:58:00,909 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[346041,346054] [2021-11-04 01:58:01,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:58:01,096 INFO L203 MainTranslator]: Completed pre-run [2021-11-04 01:58:01,496 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i[346041,346054] [2021-11-04 01:58:01,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-04 01:58:01,648 INFO L208 MainTranslator]: Completed translation [2021-11-04 01:58:01,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01 WrapperNode [2021-11-04 01:58:01,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-04 01:58:01,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-04 01:58:01,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-04 01:58:01,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-04 01:58:01,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:01,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:01,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-04 01:58:01,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-04 01:58:01,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-04 01:58:01,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-04 01:58:01,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:01,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,046 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-04 01:58:02,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-04 01:58:02,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-04 01:58:02,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-04 01:58:02,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (1/1) ... [2021-11-04 01:58:02,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-04 01:58:02,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-04 01:58:02,300 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) [2021-11-04 01:58:02,307 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 [2021-11-04 01:58:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-04 01:58:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-04 01:58:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-04 01:58:02,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-04 01:58:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-04 01:58:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-04 01:58:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-04 01:58:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-04 01:58:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-04 01:58:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-04 01:58:02,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-04 01:58:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-04 01:58:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-04 01:58:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-04 01:58:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-04 01:58:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-04 01:58:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-04 02:00:40,626 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-04 02:00:40,626 INFO L299 CfgBuilder]: Removed 469 assume(true) statements. [2021-11-04 02:00:40,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:00:40 BoogieIcfgContainer [2021-11-04 02:00:40,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-04 02:00:40,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-04 02:00:40,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-04 02:00:40,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-04 02:00:40,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 01:57:58" (1/3) ... [2021-11-04 02:00:40,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be07050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:00:40, skipping insertion in model container [2021-11-04 02:00:40,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 01:58:01" (2/3) ... [2021-11-04 02:00:40,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be07050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:00:40, skipping insertion in model container [2021-11-04 02:00:40,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:00:40" (3/3) ... [2021-11-04 02:00:40,639 INFO L111 eAbstractionObserver]: Analyzing ICFG main3_drivers-media-video-tlg2300-poseidon-ko--32_7a--4a349aa-1.i [2021-11-04 02:00:40,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-04 02:00:40,643 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2021-11-04 02:00:40,684 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-04 02:00:40,691 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 [2021-11-04 02:00:40,692 INFO L340 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2021-11-04 02:00:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 669 states, 655 states have (on average 1.502290076335878) internal successors, (984), 668 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:00:40,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-04 02:00:40,717 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:00:40,718 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] [2021-11-04 02:00:40,718 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:00:40,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:00:40,722 INFO L85 PathProgramCache]: Analyzing trace with hash -864054196, now seen corresponding path program 1 times [2021-11-04 02:00:40,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:00:40,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441334581] [2021-11-04 02:00:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:00:40,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:00:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:00:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:00:41,384 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:00:41,384 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441334581] [2021-11-04 02:00:41,385 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441334581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:00:41,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:00:41,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-04 02:00:41,386 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798856627] [2021-11-04 02:00:41,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:00:41,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-04 02:00:41,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:00:41,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-04 02:00:41,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 02:00:41,411 INFO L87 Difference]: Start difference. First operand has 669 states, 655 states have (on average 1.502290076335878) internal successors, (984), 668 states have internal predecessors, (984), 0 states have call successors, (0), 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 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:00:43,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:45,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:48,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:50,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:52,379 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:54,863 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:57,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:00:59,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:02,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:04,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:07,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:09,728 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:11,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:14,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:16,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:18,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:20,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:23,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:01:23,213 INFO L93 Difference]: Finished difference Result 1335 states and 1964 transitions. [2021-11-04 02:01:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-04 02:01:23,231 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-11-04 02:01:23,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:01:23,256 INFO L225 Difference]: With dead ends: 1335 [2021-11-04 02:01:23,256 INFO L226 Difference]: Without dead ends: 665 [2021-11-04 02:01:23,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-04 02:01:23,268 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 0 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40431.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41644.23ms IncrementalHoareTripleChecker+Time [2021-11-04 02:01:23,269 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 955 Unknown, 0 Unchecked, 10.65ms Time], IncrementalHoareTripleChecker [0 Valid, 938 Invalid, 17 Unknown, 0 Unchecked, 41644.23ms Time] [2021-11-04 02:01:23,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-11-04 02:01:23,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 665. [2021-11-04 02:01:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 652 states have (on average 1.4585889570552146) internal successors, (951), 664 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:01:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 951 transitions. [2021-11-04 02:01:23,343 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 951 transitions. Word has length 51 [2021-11-04 02:01:23,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:01:23,343 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 951 transitions. [2021-11-04 02:01:23,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:01:23,343 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 951 transitions. [2021-11-04 02:01:23,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-04 02:01:23,344 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:01:23,344 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] [2021-11-04 02:01:23,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-04 02:01:23,345 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:01:23,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:01:23,346 INFO L85 PathProgramCache]: Analyzing trace with hash 867211150, now seen corresponding path program 1 times [2021-11-04 02:01:23,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:01:23,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547097538] [2021-11-04 02:01:23,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:01:23,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:01:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:01:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:01:23,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:01:23,821 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547097538] [2021-11-04 02:01:23,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547097538] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:01:23,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:01:23,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:01:23,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133488796] [2021-11-04 02:01:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:01:23,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:01:23,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:01:23,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:01:23,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:01:23,823 INFO L87 Difference]: Start difference. First operand 665 states and 951 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:01:25,930 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:30,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:33,293 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:35,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:38,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:40,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:42,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:47,855 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:50,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:53,369 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:55,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:01:57,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:00,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:02,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:05,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:07,308 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:12,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:02:12,420 INFO L93 Difference]: Finished difference Result 1292 states and 1863 transitions. [2021-11-04 02:02:12,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:02:12,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-11-04 02:02:12,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:02:12,423 INFO L225 Difference]: With dead ends: 1292 [2021-11-04 02:02:12,423 INFO L226 Difference]: Without dead ends: 668 [2021-11-04 02:02:12,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:02:12,425 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 2 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 4 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46914.09ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 27.00ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48404.26ms IncrementalHoareTripleChecker+Time [2021-11-04 02:02:12,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 0 Invalid, 1884 Unknown, 0 Unchecked, 27.00ms Time], IncrementalHoareTripleChecker [4 Valid, 1864 Invalid, 16 Unknown, 0 Unchecked, 48404.26ms Time] [2021-11-04 02:02:12,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2021-11-04 02:02:12,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 667. [2021-11-04 02:02:12,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 667 states, 654 states have (on average 1.45565749235474) internal successors, (952), 666 states have internal predecessors, (952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:02:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 952 transitions. [2021-11-04 02:02:12,446 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 952 transitions. Word has length 51 [2021-11-04 02:02:12,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:02:12,446 INFO L470 AbstractCegarLoop]: Abstraction has 667 states and 952 transitions. [2021-11-04 02:02:12,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:02:12,447 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 952 transitions. [2021-11-04 02:02:12,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-04 02:02:12,447 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:02:12,447 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] [2021-11-04 02:02:12,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-04 02:02:12,452 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:02:12,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:02:12,453 INFO L85 PathProgramCache]: Analyzing trace with hash 187152780, now seen corresponding path program 1 times [2021-11-04 02:02:12,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:02:12,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197364647] [2021-11-04 02:02:12,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:02:12,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:02:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:02:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:02:12,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:02:12,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197364647] [2021-11-04 02:02:12,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197364647] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:02:12,873 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:02:12,873 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:02:12,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500718775] [2021-11-04 02:02:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:02:12,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:02:12,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:02:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:02:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:02:12,874 INFO L87 Difference]: Start difference. First operand 667 states and 952 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:02:15,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:17,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:20,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:23,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:25,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:28,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:30,632 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:33,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:38,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:40,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:44,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:46,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:48,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:51,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:53,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:56,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:02:58,615 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:03:03,648 INFO L93 Difference]: Finished difference Result 789 states and 1117 transitions. [2021-11-04 02:03:03,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:03:03,649 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 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 51 [2021-11-04 02:03:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:03:03,652 INFO L225 Difference]: With dead ends: 789 [2021-11-04 02:03:03,652 INFO L226 Difference]: Without dead ends: 779 [2021-11-04 02:03:03,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:03:03,653 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 187 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 1822 mSolverCounterSat, 13 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49048.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.84ms SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1822 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50597.49ms IncrementalHoareTripleChecker+Time [2021-11-04 02:03:03,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 0 Invalid, 1852 Unknown, 0 Unchecked, 18.84ms Time], IncrementalHoareTripleChecker [13 Valid, 1822 Invalid, 17 Unknown, 0 Unchecked, 50597.49ms Time] [2021-11-04 02:03:03,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2021-11-04 02:03:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 779. [2021-11-04 02:03:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 766 states have (on average 1.4451697127937337) internal successors, (1107), 778 states have internal predecessors, (1107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:03:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1107 transitions. [2021-11-04 02:03:03,667 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1107 transitions. Word has length 51 [2021-11-04 02:03:03,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:03:03,667 INFO L470 AbstractCegarLoop]: Abstraction has 779 states and 1107 transitions. [2021-11-04 02:03:03,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:03:03,667 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1107 transitions. [2021-11-04 02:03:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-04 02:03:03,668 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:03:03,668 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] [2021-11-04 02:03:03,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-04 02:03:03,669 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:03:03,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:03:03,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1506769559, now seen corresponding path program 1 times [2021-11-04 02:03:03,669 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:03:03,670 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936427428] [2021-11-04 02:03:03,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:03:03,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:03:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:03:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:03:04,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:03:04,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936427428] [2021-11-04 02:03:04,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936427428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:03:04,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:03:04,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:03:04,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499583772] [2021-11-04 02:03:04,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:03:04,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:03:04,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:03:04,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:03:04,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:03:04,031 INFO L87 Difference]: Start difference. First operand 779 states and 1107 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:03:06,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:09,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:12,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:14,545 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:17,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:19,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:22,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:27,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:29,673 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:33,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:35,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:37,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:40,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:42,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:45,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:47,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:52,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:03:52,981 INFO L93 Difference]: Finished difference Result 988 states and 1398 transitions. [2021-11-04 02:03:52,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:03:52,981 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2021-11-04 02:03:52,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:03:52,985 INFO L225 Difference]: With dead ends: 988 [2021-11-04 02:03:52,986 INFO L226 Difference]: Without dead ends: 986 [2021-11-04 02:03:52,986 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:03:52,987 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 288 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 1858 mSolverCounterSat, 1 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47070.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.50ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1858 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48779.32ms IncrementalHoareTripleChecker+Time [2021-11-04 02:03:52,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [288 Valid, 0 Invalid, 1875 Unknown, 0 Unchecked, 16.50ms Time], IncrementalHoareTripleChecker [1 Valid, 1858 Invalid, 16 Unknown, 0 Unchecked, 48779.32ms Time] [2021-11-04 02:03:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2021-11-04 02:03:53,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 973. [2021-11-04 02:03:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 973 states, 960 states have (on average 1.4427083333333333) internal successors, (1385), 972 states have internal predecessors, (1385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:03:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 973 states and 1385 transitions. [2021-11-04 02:03:53,008 INFO L78 Accepts]: Start accepts. Automaton has 973 states and 1385 transitions. Word has length 52 [2021-11-04 02:03:53,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:03:53,010 INFO L470 AbstractCegarLoop]: Abstraction has 973 states and 1385 transitions. [2021-11-04 02:03:53,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:03:53,010 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1385 transitions. [2021-11-04 02:03:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-04 02:03:53,014 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:03:53,014 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] [2021-11-04 02:03:53,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-04 02:03:53,014 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:03:53,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:03:53,017 INFO L85 PathProgramCache]: Analyzing trace with hash -534783242, now seen corresponding path program 1 times [2021-11-04 02:03:53,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:03:53,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672415259] [2021-11-04 02:03:53,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:03:53,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:03:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:03:53,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:03:53,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:03:53,386 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672415259] [2021-11-04 02:03:53,386 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672415259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:03:53,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:03:53,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:03:53,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627968431] [2021-11-04 02:03:53,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:03:53,387 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:03:53,387 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:03:53,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:03:53,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:03:53,388 INFO L87 Difference]: Start difference. First operand 973 states and 1385 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:03:55,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:03:58,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:02,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:05,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:07,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:09,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:12,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:14,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:19,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:22,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:25,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:28,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:30,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:33,110 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:35,258 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:37,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:40,286 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:46,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:04:46,085 INFO L93 Difference]: Finished difference Result 989 states and 1399 transitions. [2021-11-04 02:04:46,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:04:46,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 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 53 [2021-11-04 02:04:46,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:04:46,089 INFO L225 Difference]: With dead ends: 989 [2021-11-04 02:04:46,089 INFO L226 Difference]: Without dead ends: 987 [2021-11-04 02:04:46,090 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:04:46,090 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 285 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 1 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50466.45ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.76ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52557.40ms IncrementalHoareTripleChecker+Time [2021-11-04 02:04:46,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [285 Valid, 0 Invalid, 1878 Unknown, 0 Unchecked, 14.76ms Time], IncrementalHoareTripleChecker [1 Valid, 1860 Invalid, 17 Unknown, 0 Unchecked, 52557.40ms Time] [2021-11-04 02:04:46,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 987 states. [2021-11-04 02:04:46,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 987 to 974. [2021-11-04 02:04:46,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 961 states have (on average 1.4422476586888657) internal successors, (1386), 973 states have internal predecessors, (1386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:04:46,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1386 transitions. [2021-11-04 02:04:46,106 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1386 transitions. Word has length 53 [2021-11-04 02:04:46,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:04:46,106 INFO L470 AbstractCegarLoop]: Abstraction has 974 states and 1386 transitions. [2021-11-04 02:04:46,107 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:04:46,107 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1386 transitions. [2021-11-04 02:04:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-04 02:04:46,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:04:46,107 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] [2021-11-04 02:04:46,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-04 02:04:46,108 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:04:46,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:04:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 601589377, now seen corresponding path program 1 times [2021-11-04 02:04:46,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:04:46,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225494478] [2021-11-04 02:04:46,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:04:46,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:04:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:04:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:04:46,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:04:46,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225494478] [2021-11-04 02:04:46,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225494478] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:04:46,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:04:46,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:04:46,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302084923] [2021-11-04 02:04:46,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:04:46,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:04:46,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:04:46,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:04:46,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:04:46,403 INFO L87 Difference]: Start difference. First operand 974 states and 1386 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:04:48,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:50,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:53,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:56,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:04:58,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:01,064 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:03,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:06,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:11,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:13,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:16,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:19,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:21,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:24,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:26,498 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:28,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:31,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:37,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:05:37,827 INFO L93 Difference]: Finished difference Result 990 states and 1400 transitions. [2021-11-04 02:05:37,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:05:37,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2021-11-04 02:05:37,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:05:37,831 INFO L225 Difference]: With dead ends: 990 [2021-11-04 02:05:37,831 INFO L226 Difference]: Without dead ends: 988 [2021-11-04 02:05:37,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.54ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:05:37,832 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 282 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 1 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49203.78ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.27ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51285.93ms IncrementalHoareTripleChecker+Time [2021-11-04 02:05:37,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 0 Invalid, 1881 Unknown, 0 Unchecked, 14.27ms Time], IncrementalHoareTripleChecker [1 Valid, 1864 Invalid, 16 Unknown, 0 Unchecked, 51285.93ms Time] [2021-11-04 02:05:37,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2021-11-04 02:05:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 975. [2021-11-04 02:05:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 975 states, 962 states have (on average 1.4417879417879418) internal successors, (1387), 974 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:05:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1387 transitions. [2021-11-04 02:05:37,849 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1387 transitions. Word has length 54 [2021-11-04 02:05:37,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:05:37,850 INFO L470 AbstractCegarLoop]: Abstraction has 975 states and 1387 transitions. [2021-11-04 02:05:37,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:05:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1387 transitions. [2021-11-04 02:05:37,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-04 02:05:37,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:05:37,851 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] [2021-11-04 02:05:37,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-04 02:05:37,851 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:05:37,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:05:37,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1469402208, now seen corresponding path program 1 times [2021-11-04 02:05:37,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:05:37,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333114701] [2021-11-04 02:05:37,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:05:37,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:05:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:05:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:05:38,178 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:05:38,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333114701] [2021-11-04 02:05:38,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333114701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:05:38,179 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:05:38,179 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:05:38,179 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050997383] [2021-11-04 02:05:38,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:05:38,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:05:38,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:05:38,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:05:38,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:05:38,180 INFO L87 Difference]: Start difference. First operand 975 states and 1387 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:05:40,311 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:42,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:45,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:48,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:50,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:53,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:55,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:05:58,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:03,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:05,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:08,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:11,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:13,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:16,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:18,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:21,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:23,672 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:29,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:06:29,880 INFO L93 Difference]: Finished difference Result 991 states and 1400 transitions. [2021-11-04 02:06:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:06:29,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2021-11-04 02:06:29,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:06:29,883 INFO L225 Difference]: With dead ends: 991 [2021-11-04 02:06:29,883 INFO L226 Difference]: Without dead ends: 984 [2021-11-04 02:06:29,884 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.94ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:06:29,884 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 279 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 1867 mSolverCounterSat, 0 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49536.07ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1867 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51570.28ms IncrementalHoareTripleChecker+Time [2021-11-04 02:06:29,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [279 Valid, 0 Invalid, 1883 Unknown, 0 Unchecked, 13.65ms Time], IncrementalHoareTripleChecker [0 Valid, 1867 Invalid, 16 Unknown, 0 Unchecked, 51570.28ms Time] [2021-11-04 02:06:29,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2021-11-04 02:06:29,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 971. [2021-11-04 02:06:29,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 958 states have (on average 1.441544885177453) internal successors, (1381), 970 states have internal predecessors, (1381), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:06:29,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1381 transitions. [2021-11-04 02:06:29,901 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1381 transitions. Word has length 55 [2021-11-04 02:06:29,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:06:29,902 INFO L470 AbstractCegarLoop]: Abstraction has 971 states and 1381 transitions. [2021-11-04 02:06:29,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:06:29,902 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1381 transitions. [2021-11-04 02:06:29,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-04 02:06:29,903 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:06:29,903 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] [2021-11-04 02:06:29,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-04 02:06:29,903 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:06:29,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:06:29,904 INFO L85 PathProgramCache]: Analyzing trace with hash -585540407, now seen corresponding path program 1 times [2021-11-04 02:06:29,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:06:29,905 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749599831] [2021-11-04 02:06:29,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:06:29,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:06:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:06:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:06:30,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:06:30,265 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749599831] [2021-11-04 02:06:30,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749599831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:06:30,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:06:30,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:06:30,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350641193] [2021-11-04 02:06:30,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:06:30,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:06:30,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:06:30,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:06:30,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:06:30,266 INFO L87 Difference]: Start difference. First operand 971 states and 1381 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:06:32,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:35,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:38,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:40,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:43,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:45,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:48,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:50,585 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:56,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:06:58,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:02,126 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:04,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:07,333 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:10,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:12,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:14,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:17,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:22,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:07:22,909 INFO L93 Difference]: Finished difference Result 2108 states and 3005 transitions. [2021-11-04 02:07:22,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:07:22,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2021-11-04 02:07:22,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:07:22,912 INFO L225 Difference]: With dead ends: 2108 [2021-11-04 02:07:22,912 INFO L226 Difference]: Without dead ends: 1186 [2021-11-04 02:07:22,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.26ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:07:22,914 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 267 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 4 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50449.66ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.68ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52487.18ms IncrementalHoareTripleChecker+Time [2021-11-04 02:07:22,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [267 Valid, 0 Invalid, 1773 Unknown, 0 Unchecked, 10.68ms Time], IncrementalHoareTripleChecker [4 Valid, 1753 Invalid, 16 Unknown, 0 Unchecked, 52487.18ms Time] [2021-11-04 02:07:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1186 states. [2021-11-04 02:07:22,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1186 to 1147. [2021-11-04 02:07:22,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1134 states have (on average 1.437389770723104) internal successors, (1630), 1146 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:07:22,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1630 transitions. [2021-11-04 02:07:22,933 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1630 transitions. Word has length 66 [2021-11-04 02:07:22,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:07:22,934 INFO L470 AbstractCegarLoop]: Abstraction has 1147 states and 1630 transitions. [2021-11-04 02:07:22,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:07:22,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1630 transitions. [2021-11-04 02:07:22,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-04 02:07:22,934 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:07:22,935 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] [2021-11-04 02:07:22,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-04 02:07:22,935 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:07:22,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:07:22,935 INFO L85 PathProgramCache]: Analyzing trace with hash 305008732, now seen corresponding path program 1 times [2021-11-04 02:07:22,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:07:22,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232384065] [2021-11-04 02:07:22,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:07:22,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:07:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:07:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:07:23,294 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:07:23,294 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232384065] [2021-11-04 02:07:23,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232384065] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:07:23,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:07:23,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:07:23,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657747755] [2021-11-04 02:07:23,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:07:23,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:07:23,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:07:23,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:07:23,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:07:23,295 INFO L87 Difference]: Start difference. First operand 1147 states and 1630 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:07:25,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:31,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:33,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:36,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:38,318 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:40,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:42,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:48,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:50,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:53,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:56,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:07:58,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:01,553 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:03,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:06,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:08,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:08:13,552 INFO L93 Difference]: Finished difference Result 1164 states and 1649 transitions. [2021-11-04 02:08:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:08:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-11-04 02:08:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:08:13,556 INFO L225 Difference]: With dead ends: 1164 [2021-11-04 02:08:13,556 INFO L226 Difference]: Without dead ends: 1160 [2021-11-04 02:08:13,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.48ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:08:13,557 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 108 mSDsluCounter, 809 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 8 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48161.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.97ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50127.99ms IncrementalHoareTripleChecker+Time [2021-11-04 02:08:13,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [108 Valid, 0 Invalid, 1786 Unknown, 0 Unchecked, 9.97ms Time], IncrementalHoareTripleChecker [8 Valid, 1762 Invalid, 16 Unknown, 0 Unchecked, 50127.99ms Time] [2021-11-04 02:08:13,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2021-11-04 02:08:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2021-11-04 02:08:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1147 states have (on average 1.4324324324324325) internal successors, (1643), 1159 states have internal predecessors, (1643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:08:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1643 transitions. [2021-11-04 02:08:13,573 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1643 transitions. Word has length 69 [2021-11-04 02:08:13,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:08:13,574 INFO L470 AbstractCegarLoop]: Abstraction has 1160 states and 1643 transitions. [2021-11-04 02:08:13,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:08:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1643 transitions. [2021-11-04 02:08:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-04 02:08:13,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:08:13,575 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] [2021-11-04 02:08:13,575 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-04 02:08:13,575 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:08:13,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:08:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash -428824729, now seen corresponding path program 1 times [2021-11-04 02:08:13,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:08:13,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245064711] [2021-11-04 02:08:13,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:08:13,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:08:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:08:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:08:13,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:08:13,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245064711] [2021-11-04 02:08:13,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245064711] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:08:13,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:08:13,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:08:13,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888009921] [2021-11-04 02:08:13,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:08:13,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:08:13,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:08:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:08:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:08:13,908 INFO L87 Difference]: Start difference. First operand 1160 states and 1643 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:08:16,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:18,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:23,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:25,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:27,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:29,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:32,257 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:34,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:39,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:41,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:45,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:47,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:50,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:53,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:55,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:08:57,652 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:00,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:05,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:09:05,868 INFO L93 Difference]: Finished difference Result 1164 states and 1647 transitions. [2021-11-04 02:09:05,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:09:05,868 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2021-11-04 02:09:05,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:09:05,872 INFO L225 Difference]: With dead ends: 1164 [2021-11-04 02:09:05,872 INFO L226 Difference]: Without dead ends: 1162 [2021-11-04 02:09:05,872 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.03ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:09:05,872 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 137 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 7 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49886.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.90ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51837.34ms IncrementalHoareTripleChecker+Time [2021-11-04 02:09:05,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 0 Invalid, 1756 Unknown, 0 Unchecked, 9.90ms Time], IncrementalHoareTripleChecker [7 Valid, 1732 Invalid, 17 Unknown, 0 Unchecked, 51837.34ms Time] [2021-11-04 02:09:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2021-11-04 02:09:05,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2021-11-04 02:09:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1149 states have (on average 1.4316797214969539) internal successors, (1645), 1161 states have internal predecessors, (1645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:09:05,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1645 transitions. [2021-11-04 02:09:05,892 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1645 transitions. Word has length 78 [2021-11-04 02:09:05,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:09:05,892 INFO L470 AbstractCegarLoop]: Abstraction has 1162 states and 1645 transitions. [2021-11-04 02:09:05,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:09:05,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1645 transitions. [2021-11-04 02:09:05,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-04 02:09:05,894 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:09:05,894 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] [2021-11-04 02:09:05,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-04 02:09:05,894 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:09:05,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:09:05,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1711504526, now seen corresponding path program 1 times [2021-11-04 02:09:05,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:09:05,895 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595060234] [2021-11-04 02:09:05,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:09:05,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:09:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:09:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:09:06,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:09:06,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595060234] [2021-11-04 02:09:06,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595060234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:09:06,277 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:09:06,277 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:09:06,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105754979] [2021-11-04 02:09:06,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:09:06,278 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:09:06,278 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:09:06,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:09:06,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:09:06,278 INFO L87 Difference]: Start difference. First operand 1162 states and 1645 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:09:08,421 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:13,789 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:15,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:18,229 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:20,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:22,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:24,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:29,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:32,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:35,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:37,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:40,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:43,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:45,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:47,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:50,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:09:55,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:09:55,903 INFO L93 Difference]: Finished difference Result 1211 states and 1722 transitions. [2021-11-04 02:09:55,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:09:55,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2021-11-04 02:09:55,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:09:55,907 INFO L225 Difference]: With dead ends: 1211 [2021-11-04 02:09:55,907 INFO L226 Difference]: Without dead ends: 1209 [2021-11-04 02:09:55,907 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.52ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:09:55,908 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 212 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1730 mSolverCounterSat, 7 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47577.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 10.02ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1730 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49505.22ms IncrementalHoareTripleChecker+Time [2021-11-04 02:09:55,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 0 Invalid, 1753 Unknown, 0 Unchecked, 10.02ms Time], IncrementalHoareTripleChecker [7 Valid, 1730 Invalid, 16 Unknown, 0 Unchecked, 49505.22ms Time] [2021-11-04 02:09:55,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2021-11-04 02:09:55,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1168. [2021-11-04 02:09:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 1155 states have (on average 1.432034632034632) internal successors, (1654), 1167 states have internal predecessors, (1654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:09:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1654 transitions. [2021-11-04 02:09:55,923 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1654 transitions. Word has length 78 [2021-11-04 02:09:55,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:09:55,923 INFO L470 AbstractCegarLoop]: Abstraction has 1168 states and 1654 transitions. [2021-11-04 02:09:55,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:09:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1654 transitions. [2021-11-04 02:09:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-04 02:09:55,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:09:55,925 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:09:55,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-04 02:09:55,925 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:09:55,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:09:55,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2094381960, now seen corresponding path program 1 times [2021-11-04 02:09:55,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:09:55,926 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716254757] [2021-11-04 02:09:55,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:09:55,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:09:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:09:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-04 02:09:56,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:09:56,247 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716254757] [2021-11-04 02:09:56,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716254757] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:09:56,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:09:56,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:09:56,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314845259] [2021-11-04 02:09:56,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:09:56,248 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:09:56,248 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:09:56,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:09:56,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:09:56,248 INFO L87 Difference]: Start difference. First operand 1168 states and 1654 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:09:58,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:01,014 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:04,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:06,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:09,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:11,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:13,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:16,042 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:21,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:23,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:26,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:29,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:31,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:34,658 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:36,818 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:39,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:41,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:46,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:10:46,753 INFO L93 Difference]: Finished difference Result 1168 states and 1654 transitions. [2021-11-04 02:10:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:10:46,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 80 [2021-11-04 02:10:46,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:10:46,758 INFO L225 Difference]: With dead ends: 1168 [2021-11-04 02:10:46,758 INFO L226 Difference]: Without dead ends: 1158 [2021-11-04 02:10:46,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:10:46,759 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 188 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 8 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48401.53ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.39ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50392.29ms IncrementalHoareTripleChecker+Time [2021-11-04 02:10:46,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 0 Invalid, 1651 Unknown, 0 Unchecked, 9.39ms Time], IncrementalHoareTripleChecker [8 Valid, 1627 Invalid, 16 Unknown, 0 Unchecked, 50392.29ms Time] [2021-11-04 02:10:46,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2021-11-04 02:10:46,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1046. [2021-11-04 02:10:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1038 states have (on average 1.4344894026974953) internal successors, (1489), 1045 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:10:46,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1489 transitions. [2021-11-04 02:10:46,773 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1489 transitions. Word has length 80 [2021-11-04 02:10:46,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:10:46,774 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1489 transitions. [2021-11-04 02:10:46,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:10:46,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1489 transitions. [2021-11-04 02:10:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-04 02:10:46,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:10:46,775 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] [2021-11-04 02:10:46,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-04 02:10:46,775 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:10:46,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:10:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash -122465271, now seen corresponding path program 1 times [2021-11-04 02:10:46,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:10:46,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079402716] [2021-11-04 02:10:46,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:10:46,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:10:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:10:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-04 02:10:47,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:10:47,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079402716] [2021-11-04 02:10:47,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079402716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:10:47,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:10:47,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:10:47,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835853480] [2021-11-04 02:10:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:10:47,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:10:47,128 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:10:47,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:10:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:10:47,129 INFO L87 Difference]: Start difference. First operand 1046 states and 1489 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:10:49,267 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:54,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:56,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:10:59,161 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:01,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:03,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:05,871 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:10,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:13,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:16,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:19,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:21,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:24,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:26,678 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:29,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:31,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:37,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-04 02:11:37,263 INFO L93 Difference]: Finished difference Result 1050 states and 1493 transitions. [2021-11-04 02:11:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-04 02:11:37,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-11-04 02:11:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-04 02:11:37,266 INFO L225 Difference]: With dead ends: 1050 [2021-11-04 02:11:37,266 INFO L226 Difference]: Without dead ends: 1048 [2021-11-04 02:11:37,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.24ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:11:37,267 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 163 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 7 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48168.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.79ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50023.53ms IncrementalHoareTripleChecker+Time [2021-11-04 02:11:37,267 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 0 Invalid, 1709 Unknown, 0 Unchecked, 9.79ms Time], IncrementalHoareTripleChecker [7 Valid, 1686 Invalid, 16 Unknown, 0 Unchecked, 50023.53ms Time] [2021-11-04 02:11:37,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2021-11-04 02:11:37,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1046. [2021-11-04 02:11:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 1038 states have (on average 1.4344894026974953) internal successors, (1489), 1045 states have internal predecessors, (1489), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:11:37,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1489 transitions. [2021-11-04 02:11:37,281 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1489 transitions. Word has length 81 [2021-11-04 02:11:37,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-04 02:11:37,282 INFO L470 AbstractCegarLoop]: Abstraction has 1046 states and 1489 transitions. [2021-11-04 02:11:37,282 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:11:37,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1489 transitions. [2021-11-04 02:11:37,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-04 02:11:37,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-04 02:11:37,283 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-04 02:11:37,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-04 02:11:37,283 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2021-11-04 02:11:37,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-04 02:11:37,284 INFO L85 PathProgramCache]: Analyzing trace with hash -501330645, now seen corresponding path program 1 times [2021-11-04 02:11:37,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-04 02:11:37,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934586060] [2021-11-04 02:11:37,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-04 02:11:37,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-04 02:11:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-04 02:11:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-04 02:11:37,656 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-04 02:11:37,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934586060] [2021-11-04 02:11:37,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934586060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-04 02:11:37,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-04 02:11:37,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-04 02:11:37,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543205996] [2021-11-04 02:11:37,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-04 02:11:37,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-04 02:11:37,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-04 02:11:37,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-04 02:11:37,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-04 02:11:37,658 INFO L87 Difference]: Start difference. First operand 1046 states and 1489 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-04 02:11:39,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:44,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:46,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:48,593 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:50,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:53,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:11:55,412 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:00,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:02,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:06,562 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:09,122 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:11,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:14,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:16,870 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:19,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-04 02:12:21,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15