./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/recursive/Fibonacci02.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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/recursive/Fibonacci02.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 18:01:38,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 18:01:38,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 18:01:38,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 18:01:38,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 18:01:38,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 18:01:38,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 18:01:38,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 18:01:38,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 18:01:38,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 18:01:38,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 18:01:38,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 18:01:38,242 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 18:01:38,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 18:01:38,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 18:01:38,247 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 18:01:38,248 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 18:01:38,249 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 18:01:38,252 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 18:01:38,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 18:01:38,256 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 18:01:38,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 18:01:38,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 18:01:38,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 18:01:38,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 18:01:38,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 18:01:38,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 18:01:38,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 18:01:38,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 18:01:38,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 18:01:38,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 18:01:38,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 18:01:38,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 18:01:38,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 18:01:38,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 18:01:38,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 18:01:38,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 18:01:38,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 18:01:38,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 18:01:38,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 18:01:38,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 18:01:38,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 18:01:38,272 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 18:01:38,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 18:01:38,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 18:01:38,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 18:01:38,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 18:01:38,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 18:01:38,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 18:01:38,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 18:01:38,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 18:01:38,298 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 18:01:38,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 18:01:38,299 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 18:01:38,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 18:01:38,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 18:01:38,300 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 18:01:38,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 18:01:38,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 18:01:38,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 18:01:38,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 18:01:38,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:01:38,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 18:01:38,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 18:01:38,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 18:01:38,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 18:01:38,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 18:01:38,302 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 18:01:38,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 18:01:38,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 18:01:38,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7261cadd839cd02322bb28945f92ad1bd2170c0a65dd385996b5ff81cbb1de7 [2022-07-13 18:01:38,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 18:01:38,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 18:01:38,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 18:01:38,533 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 18:01:38,534 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 18:01:38,535 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Fibonacci02.c [2022-07-13 18:01:38,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40362e640/9eb77536cc6d4cf9a9300a37864ae705/FLAG04dfe2115 [2022-07-13 18:01:38,975 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 18:01:38,975 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c [2022-07-13 18:01:38,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40362e640/9eb77536cc6d4cf9a9300a37864ae705/FLAG04dfe2115 [2022-07-13 18:01:39,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40362e640/9eb77536cc6d4cf9a9300a37864ae705 [2022-07-13 18:01:39,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 18:01:39,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 18:01:39,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 18:01:39,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 18:01:39,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 18:01:39,042 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0d13f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39, skipping insertion in model container [2022-07-13 18:01:39,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 18:01:39,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 18:01:39,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2022-07-13 18:01:39,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:01:39,416 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 18:01:39,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Fibonacci02.c[715,728] [2022-07-13 18:01:39,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 18:01:39,438 INFO L208 MainTranslator]: Completed translation [2022-07-13 18:01:39,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39 WrapperNode [2022-07-13 18:01:39,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 18:01:39,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 18:01:39,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 18:01:39,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 18:01:39,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,463 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-07-13 18:01:39,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 18:01:39,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 18:01:39,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 18:01:39,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 18:01:39,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 18:01:39,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 18:01:39,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 18:01:39,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 18:01:39,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (1/1) ... [2022-07-13 18:01:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 18:01:39,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:39,516 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) [2022-07-13 18:01:39,540 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 [2022-07-13 18:01:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2022-07-13 18:01:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2022-07-13 18:01:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 18:01:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 18:01:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 18:01:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 18:01:39,594 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 18:01:39,596 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 18:01:39,701 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 18:01:39,706 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 18:01:39,708 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-13 18:01:39,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:01:39 BoogieIcfgContainer [2022-07-13 18:01:39,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 18:01:39,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 18:01:39,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 18:01:39,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 18:01:39,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:01:39" (1/3) ... [2022-07-13 18:01:39,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab2728b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:01:39, skipping insertion in model container [2022-07-13 18:01:39,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:01:39" (2/3) ... [2022-07-13 18:01:39,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ab2728b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:01:39, skipping insertion in model container [2022-07-13 18:01:39,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:01:39" (3/3) ... [2022-07-13 18:01:39,718 INFO L111 eAbstractionObserver]: Analyzing ICFG Fibonacci02.c [2022-07-13 18:01:39,728 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 18:01:39,743 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 18:01:39,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 18:01:39,829 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@814a9a6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@604565b8 [2022-07-13 18:01:39,830 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 18:01:39,845 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-13 18:01:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-13 18:01:39,856 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:39,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:39,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:39,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:39,872 INFO L85 PathProgramCache]: Analyzing trace with hash 117289724, now seen corresponding path program 1 times [2022-07-13 18:01:39,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:39,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948290994] [2022-07-13 18:01:39,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:39,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 18:01:40,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:40,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948290994] [2022-07-13 18:01:40,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948290994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:40,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:40,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 18:01:40,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102345163] [2022-07-13 18:01:40,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:40,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 18:01:40,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:40,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 18:01:40,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 18:01:40,281 INFO L87 Difference]: Start difference. First operand has 19 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 18:01:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:40,386 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-07-13 18:01:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 18:01:40,389 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-07-13 18:01:40,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:40,394 INFO L225 Difference]: With dead ends: 28 [2022-07-13 18:01:40,394 INFO L226 Difference]: Without dead ends: 18 [2022-07-13 18:01:40,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 18:01:40,416 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:40,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 39 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:40,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-07-13 18:01:40,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-07-13 18:01:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-13 18:01:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-07-13 18:01:40,480 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10 [2022-07-13 18:01:40,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:40,481 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-07-13 18:01:40,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 18:01:40,482 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-07-13 18:01:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-13 18:01:40,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:40,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:40,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 18:01:40,487 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:40,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:40,488 INFO L85 PathProgramCache]: Analyzing trace with hash 36927066, now seen corresponding path program 1 times [2022-07-13 18:01:40,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:40,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912809764] [2022-07-13 18:01:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 18:01:40,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:40,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912809764] [2022-07-13 18:01:40,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912809764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 18:01:40,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 18:01:40,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 18:01:40,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059429451] [2022-07-13 18:01:40,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 18:01:40,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 18:01:40,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:40,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 18:01:40,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 18:01:40,623 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 18:01:40,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:40,676 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-07-13 18:01:40,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 18:01:40,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-07-13 18:01:40,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:40,678 INFO L225 Difference]: With dead ends: 24 [2022-07-13 18:01:40,678 INFO L226 Difference]: Without dead ends: 20 [2022-07-13 18:01:40,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-13 18:01:40,682 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:40,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 30 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 18:01:40,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-07-13 18:01:40,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-07-13 18:01:40,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-13 18:01:40,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2022-07-13 18:01:40,692 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 11 [2022-07-13 18:01:40,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:40,696 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2022-07-13 18:01:40,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-13 18:01:40,696 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2022-07-13 18:01:40,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-13 18:01:40,698 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:40,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:40,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 18:01:40,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:40,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:40,718 INFO L85 PathProgramCache]: Analyzing trace with hash 703243533, now seen corresponding path program 1 times [2022-07-13 18:01:40,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:40,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008094883] [2022-07-13 18:01:40,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:40,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-13 18:01:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 18:01:40,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:40,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008094883] [2022-07-13 18:01:40,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008094883] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:40,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080549308] [2022-07-13 18:01:40,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:40,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:40,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:40,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 18:01:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:41,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 18:01:41,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-13 18:01:41,169 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:41,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:41,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080549308] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:41,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:41,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 12 [2022-07-13 18:01:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588515630] [2022-07-13 18:01:41,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:41,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 18:01:41,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 18:01:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-07-13 18:01:41,442 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-13 18:01:41,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:41,554 INFO L93 Difference]: Finished difference Result 35 states and 46 transitions. [2022-07-13 18:01:41,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 18:01:41,554 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) Word has length 23 [2022-07-13 18:01:41,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:41,556 INFO L225 Difference]: With dead ends: 35 [2022-07-13 18:01:41,556 INFO L226 Difference]: Without dead ends: 20 [2022-07-13 18:01:41,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-07-13 18:01:41,560 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 28 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:41,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 61 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:41,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-07-13 18:01:41,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-07-13 18:01:41,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-13 18:01:41,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2022-07-13 18:01:41,576 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 23 [2022-07-13 18:01:41,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:41,577 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2022-07-13 18:01:41,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 12 states have internal predecessors, (30), 8 states have call successors, (8), 1 states have call predecessors, (8), 4 states have return successors, (8), 2 states have call predecessors, (8), 8 states have call successors, (8) [2022-07-13 18:01:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-07-13 18:01:41,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-13 18:01:41,578 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:41,578 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:41,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:41,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:41,796 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:41,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:41,796 INFO L85 PathProgramCache]: Analyzing trace with hash 187716987, now seen corresponding path program 1 times [2022-07-13 18:01:41,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:41,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007815411] [2022-07-13 18:01:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:41,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:41,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:41,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-13 18:01:41,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:41,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007815411] [2022-07-13 18:01:41,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007815411] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:41,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1644403088] [2022-07-13 18:01:41,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:41,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:41,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:41,972 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:42,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 18:01:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-13 18:01:42,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-13 18:01:42,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:42,307 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 18:01:42,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1644403088] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:42,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:42,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 11 [2022-07-13 18:01:42,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944670389] [2022-07-13 18:01:42,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:42,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 18:01:42,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:42,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 18:01:42,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-07-13 18:01:42,324 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 18:01:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:42,425 INFO L93 Difference]: Finished difference Result 38 states and 52 transitions. [2022-07-13 18:01:42,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 18:01:42,426 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) Word has length 24 [2022-07-13 18:01:42,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:42,429 INFO L225 Difference]: With dead ends: 38 [2022-07-13 18:01:42,430 INFO L226 Difference]: Without dead ends: 34 [2022-07-13 18:01:42,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2022-07-13 18:01:42,432 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 26 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:42,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 56 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-07-13 18:01:42,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-07-13 18:01:42,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 24 states have internal predecessors, (26), 6 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-13 18:01:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2022-07-13 18:01:42,462 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 48 transitions. Word has length 24 [2022-07-13 18:01:42,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:42,465 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 48 transitions. [2022-07-13 18:01:42,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 7 states have call successors, (7) [2022-07-13 18:01:42,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2022-07-13 18:01:42,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-07-13 18:01:42,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:42,468 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:42,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:42,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-13 18:01:42,699 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:42,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:42,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1151618030, now seen corresponding path program 2 times [2022-07-13 18:01:42,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:42,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190265128] [2022-07-13 18:01:42,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-07-13 18:01:42,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190265128] [2022-07-13 18:01:42,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190265128] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:42,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672080376] [2022-07-13 18:01:42,838 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 18:01:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:42,840 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:42,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 18:01:42,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 18:01:42,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:01:42,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 18:01:42,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-07-13 18:01:42,959 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-07-13 18:01:43,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672080376] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:43,193 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:43,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 9] total 17 [2022-07-13 18:01:43,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512195757] [2022-07-13 18:01:43,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:43,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-13 18:01:43,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:43,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-13 18:01:43,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-07-13 18:01:43,194 INFO L87 Difference]: Start difference. First operand 34 states and 48 transitions. Second operand has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-07-13 18:01:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:43,321 INFO L93 Difference]: Finished difference Result 69 states and 106 transitions. [2022-07-13 18:01:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-13 18:01:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) Word has length 37 [2022-07-13 18:01:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:43,323 INFO L225 Difference]: With dead ends: 69 [2022-07-13 18:01:43,323 INFO L226 Difference]: Without dead ends: 38 [2022-07-13 18:01:43,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2022-07-13 18:01:43,324 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 50 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:43,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 90 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:43,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-07-13 18:01:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2022-07-13 18:01:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 26 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (11), 7 states have call predecessors, (11), 5 states have call successors, (11) [2022-07-13 18:01:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 46 transitions. [2022-07-13 18:01:43,328 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 46 transitions. Word has length 37 [2022-07-13 18:01:43,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:43,329 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 46 transitions. [2022-07-13 18:01:43,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.933333333333333) internal successors, (44), 17 states have internal predecessors, (44), 10 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (13), 6 states have call predecessors, (13), 10 states have call successors, (13) [2022-07-13 18:01:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2022-07-13 18:01:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-07-13 18:01:43,330 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:43,331 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:43,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:43,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:43,545 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:43,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:43,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1916996739, now seen corresponding path program 3 times [2022-07-13 18:01:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:43,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952123439] [2022-07-13 18:01:43,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 22 proven. 127 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-07-13 18:01:43,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:43,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952123439] [2022-07-13 18:01:43,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952123439] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:43,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098852727] [2022-07-13 18:01:43,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 18:01:43,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:43,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:43,722 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:43,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 18:01:43,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-07-13 18:01:43,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:01:43,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-13 18:01:43,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 32 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2022-07-13 18:01:43,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 89 proven. 41 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-07-13 18:01:44,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098852727] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:44,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:44,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 9] total 17 [2022-07-13 18:01:44,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288795414] [2022-07-13 18:01:44,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:44,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-13 18:01:44,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:44,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-13 18:01:44,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-07-13 18:01:44,053 INFO L87 Difference]: Start difference. First operand 38 states and 46 transitions. Second operand has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-07-13 18:01:44,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:44,190 INFO L93 Difference]: Finished difference Result 94 states and 140 transitions. [2022-07-13 18:01:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-13 18:01:44,191 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) Word has length 79 [2022-07-13 18:01:44,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:44,193 INFO L225 Difference]: With dead ends: 94 [2022-07-13 18:01:44,193 INFO L226 Difference]: Without dead ends: 90 [2022-07-13 18:01:44,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-07-13 18:01:44,194 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 94 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:44,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 64 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 18:01:44,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-07-13 18:01:44,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2022-07-13 18:01:44,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 55 states have internal predecessors, (65), 16 states have call successors, (16), 7 states have call predecessors, (16), 11 states have return successors, (43), 21 states have call predecessors, (43), 16 states have call successors, (43) [2022-07-13 18:01:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2022-07-13 18:01:44,203 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 79 [2022-07-13 18:01:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:44,204 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2022-07-13 18:01:44,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.066666666666667) internal successors, (46), 17 states have internal predecessors, (46), 10 states have call successors, (14), 1 states have call predecessors, (14), 6 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2022-07-13 18:01:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2022-07-13 18:01:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-13 18:01:44,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:44,206 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:44,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:44,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:44,426 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:44,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1766942948, now seen corresponding path program 4 times [2022-07-13 18:01:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:44,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122785014] [2022-07-13 18:01:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:44,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-07-13 18:01:44,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:44,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122785014] [2022-07-13 18:01:44,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122785014] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:44,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932382238] [2022-07-13 18:01:44,742 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-13 18:01:44,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:44,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:44,743 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:44,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 18:01:44,808 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-13 18:01:44,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:01:44,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 18:01:44,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2022-07-13 18:01:44,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:46,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 573 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-07-13 18:01:46,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932382238] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:46,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:46,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 15] total 23 [2022-07-13 18:01:46,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867344039] [2022-07-13 18:01:46,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:46,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-13 18:01:46,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:46,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-13 18:01:46,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-07-13 18:01:46,289 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-07-13 18:01:46,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:46,571 INFO L93 Difference]: Finished difference Result 208 states and 347 transitions. [2022-07-13 18:01:46,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-13 18:01:46,572 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) Word has length 174 [2022-07-13 18:01:46,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:46,579 INFO L225 Difference]: With dead ends: 208 [2022-07-13 18:01:46,580 INFO L226 Difference]: Without dead ends: 204 [2022-07-13 18:01:46,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=373, Unknown=0, NotChecked=0, Total=552 [2022-07-13 18:01:46,582 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 107 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:46,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 82 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 18:01:46,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-07-13 18:01:46,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2022-07-13 18:01:46,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 124 states have (on average 1.185483870967742) internal successors, (147), 123 states have internal predecessors, (147), 42 states have call successors, (42), 14 states have call predecessors, (42), 25 states have return successors, (137), 54 states have call predecessors, (137), 42 states have call successors, (137) [2022-07-13 18:01:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 326 transitions. [2022-07-13 18:01:46,639 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 326 transitions. Word has length 174 [2022-07-13 18:01:46,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:46,641 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 326 transitions. [2022-07-13 18:01:46,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 23 states have internal predecessors, (61), 20 states have call successors, (21), 1 states have call predecessors, (21), 7 states have return successors, (29), 12 states have call predecessors, (29), 20 states have call successors, (29) [2022-07-13 18:01:46,642 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 326 transitions. [2022-07-13 18:01:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-07-13 18:01:46,650 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:46,650 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 33, 20, 20, 20, 20, 20, 20, 20, 13, 8, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:46,690 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:46,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:46,868 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:46,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:46,868 INFO L85 PathProgramCache]: Analyzing trace with hash -778425254, now seen corresponding path program 5 times [2022-07-13 18:01:46,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:46,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545178218] [2022-07-13 18:01:46,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:01:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:47,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 189 proven. 1130 refuted. 0 times theorem prover too weak. 3249 trivial. 0 not checked. [2022-07-13 18:01:47,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:47,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545178218] [2022-07-13 18:01:47,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545178218] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:47,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [718975683] [2022-07-13 18:01:47,769 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-07-13 18:01:47,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:47,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:47,784 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:47,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-13 18:01:47,995 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 41 check-sat command(s) [2022-07-13 18:01:47,995 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:01:47,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-13 18:01:48,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 801 proven. 327 refuted. 0 times theorem prover too weak. 3440 trivial. 0 not checked. [2022-07-13 18:01:48,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:49,790 INFO L134 CoverageAnalysis]: Checked inductivity of 4568 backedges. 807 proven. 358 refuted. 0 times theorem prover too weak. 3403 trivial. 0 not checked. [2022-07-13 18:01:49,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [718975683] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:49,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:49,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 15] total 26 [2022-07-13 18:01:49,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077384412] [2022-07-13 18:01:49,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:49,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-07-13 18:01:49,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:49,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-07-13 18:01:49,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=448, Unknown=0, NotChecked=0, Total=650 [2022-07-13 18:01:49,797 INFO L87 Difference]: Start difference. First operand 192 states and 326 transitions. Second operand has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-07-13 18:01:50,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:50,130 INFO L93 Difference]: Finished difference Result 298 states and 575 transitions. [2022-07-13 18:01:50,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-13 18:01:50,131 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) Word has length 283 [2022-07-13 18:01:50,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:50,133 INFO L225 Difference]: With dead ends: 298 [2022-07-13 18:01:50,133 INFO L226 Difference]: Without dead ends: 103 [2022-07-13 18:01:50,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 664 GetRequests, 632 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2022-07-13 18:01:50,137 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 128 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:50,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 105 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 18:01:50,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2022-07-13 18:01:50,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 74. [2022-07-13 18:01:50,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (43), 15 states have call predecessors, (43), 13 states have call successors, (43) [2022-07-13 18:01:50,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 118 transitions. [2022-07-13 18:01:50,154 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 118 transitions. Word has length 283 [2022-07-13 18:01:50,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:50,155 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 118 transitions. [2022-07-13 18:01:50,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 2.7083333333333335) internal successors, (65), 26 states have internal predecessors, (65), 19 states have call successors, (23), 1 states have call predecessors, (23), 9 states have return successors, (32), 17 states have call predecessors, (32), 19 states have call successors, (32) [2022-07-13 18:01:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2022-07-13 18:01:50,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-07-13 18:01:50,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:50,178 INFO L195 NwaCegarLoop]: trace histogram [77, 77, 62, 38, 38, 38, 38, 38, 38, 38, 24, 15, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:50,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:50,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:50,395 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash -4939658, now seen corresponding path program 6 times [2022-07-13 18:01:50,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:50,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413425791] [2022-07-13 18:01:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:01:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:51,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 18:01:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:01:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:52,278 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 2818 proven. 2810 refuted. 0 times theorem prover too weak. 10779 trivial. 0 not checked. [2022-07-13 18:01:52,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:52,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413425791] [2022-07-13 18:01:52,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413425791] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:52,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306249280] [2022-07-13 18:01:52,292 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-07-13 18:01:52,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:52,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:52,293 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:52,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-13 18:01:52,505 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2022-07-13 18:01:52,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:01:52,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-13 18:01:52,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:01:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 533 proven. 2177 refuted. 0 times theorem prover too weak. 13697 trivial. 0 not checked. [2022-07-13 18:01:53,293 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:01:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16407 backedges. 537 proven. 2230 refuted. 0 times theorem prover too weak. 13640 trivial. 0 not checked. [2022-07-13 18:01:55,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306249280] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:01:55,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:01:55,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 11, 17] total 36 [2022-07-13 18:01:55,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286138183] [2022-07-13 18:01:55,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:01:55,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-07-13 18:01:55,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:01:55,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-07-13 18:01:55,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=953, Unknown=0, NotChecked=0, Total=1260 [2022-07-13 18:01:55,962 INFO L87 Difference]: Start difference. First operand 74 states and 118 transitions. Second operand has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) [2022-07-13 18:01:56,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:01:56,801 INFO L93 Difference]: Finished difference Result 187 states and 406 transitions. [2022-07-13 18:01:56,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-07-13 18:01:56,802 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) Word has length 528 [2022-07-13 18:01:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:01:56,804 INFO L225 Difference]: With dead ends: 187 [2022-07-13 18:01:56,804 INFO L226 Difference]: Without dead ends: 119 [2022-07-13 18:01:56,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1266 GetRequests, 1207 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1009 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=831, Invalid=2591, Unknown=0, NotChecked=0, Total=3422 [2022-07-13 18:01:56,809 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 206 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 436 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 1021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 436 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 18:01:56,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 221 Invalid, 1021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [436 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 18:01:56,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-07-13 18:01:56,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 112. [2022-07-13 18:01:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 79 states have (on average 1.0886075949367089) internal successors, (86), 77 states have internal predecessors, (86), 22 states have call successors, (22), 16 states have call predecessors, (22), 10 states have return successors, (52), 18 states have call predecessors, (52), 22 states have call successors, (52) [2022-07-13 18:01:56,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 160 transitions. [2022-07-13 18:01:56,821 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 160 transitions. Word has length 528 [2022-07-13 18:01:56,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:01:56,822 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 160 transitions. [2022-07-13 18:01:56,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 2.5142857142857142) internal successors, (88), 36 states have internal predecessors, (88), 26 states have call successors, (31), 1 states have call predecessors, (31), 14 states have return successors, (47), 27 states have call predecessors, (47), 26 states have call successors, (47) [2022-07-13 18:01:56,822 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 160 transitions. [2022-07-13 18:01:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-07-13 18:01:56,889 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:01:56,889 INFO L195 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:01:56,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-13 18:01:57,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:57,090 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:01:57,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:01:57,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1077246303, now seen corresponding path program 7 times [2022-07-13 18:01:57,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:01:57,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473005431] [2022-07-13 18:01:57,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:01:57,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:01:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:01:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:58,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:58,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:01:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 18:01:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-13 18:01:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:01:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 18:01:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:01:59,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:01:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:01:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:01:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:01:59,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:01:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:01:59,670 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3273 proven. 6787 refuted. 0 times theorem prover too weak. 40850 trivial. 0 not checked. [2022-07-13 18:01:59,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:01:59,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473005431] [2022-07-13 18:01:59,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473005431] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:01:59,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11588139] [2022-07-13 18:01:59,671 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-07-13 18:01:59,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:01:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:01:59,673 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:01:59,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-13 18:02:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:00,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-13 18:02:00,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:02:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2510 refuted. 0 times theorem prover too weak. 44556 trivial. 0 not checked. [2022-07-13 18:02:00,152 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:02:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3844 proven. 2602 refuted. 0 times theorem prover too weak. 44464 trivial. 0 not checked. [2022-07-13 18:02:08,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11588139] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:02:08,511 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:02:08,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 13, 21] total 45 [2022-07-13 18:02:08,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653839548] [2022-07-13 18:02:08,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:02:08,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-07-13 18:02:08,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:02:08,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-07-13 18:02:08,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=459, Invalid=1521, Unknown=0, NotChecked=0, Total=1980 [2022-07-13 18:02:08,515 INFO L87 Difference]: Start difference. First operand 112 states and 160 transitions. Second operand has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2022-07-13 18:02:09,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:02:09,091 INFO L93 Difference]: Finished difference Result 289 states and 614 transitions. [2022-07-13 18:02:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-07-13 18:02:09,092 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) Word has length 923 [2022-07-13 18:02:09,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:02:09,094 INFO L225 Difference]: With dead ends: 289 [2022-07-13 18:02:09,094 INFO L226 Difference]: Without dead ends: 160 [2022-07-13 18:02:09,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2177 GetRequests, 2101 SyntacticMatches, 2 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1246, Invalid=4454, Unknown=0, NotChecked=0, Total=5700 [2022-07-13 18:02:09,097 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 346 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 959 mSolverCounterSat, 520 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 18:02:09,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 271 Invalid, 1479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 959 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 18:02:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-07-13 18:02:09,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 136. [2022-07-13 18:02:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 97 states have (on average 1.0206185567010309) internal successors, (99), 95 states have internal predecessors, (99), 28 states have call successors, (28), 22 states have call predecessors, (28), 10 states have return successors, (53), 18 states have call predecessors, (53), 28 states have call successors, (53) [2022-07-13 18:02:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 180 transitions. [2022-07-13 18:02:09,113 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 180 transitions. Word has length 923 [2022-07-13 18:02:09,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:02:09,114 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 180 transitions. [2022-07-13 18:02:09,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 2.4318181818181817) internal successors, (107), 45 states have internal predecessors, (107), 32 states have call successors, (37), 1 states have call predecessors, (37), 19 states have return successors, (57), 33 states have call predecessors, (57), 32 states have call successors, (57) [2022-07-13 18:02:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2022-07-13 18:02:09,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2022-07-13 18:02:09,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:02:09,122 INFO L195 NwaCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:02:09,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-13 18:02:09,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-13 18:02:09,342 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:02:09,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:02:09,342 INFO L85 PathProgramCache]: Analyzing trace with hash 597528604, now seen corresponding path program 8 times [2022-07-13 18:02:09,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:02:09,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190528938] [2022-07-13 18:02:09,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:02:09,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:02:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:02:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:10,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:10,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:02:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 18:02:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-13 18:02:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:02:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-07-13 18:02:11,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:02:11,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190528938] [2022-07-13 18:02:11,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190528938] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:02:11,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144404728] [2022-07-13 18:02:11,831 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 18:02:11,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:02:11,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:02:11,839 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:02:11,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-13 18:02:12,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 18:02:12,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:02:12,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 1679 conjuncts, 439 conjunts are in the unsatisfiable core [2022-07-13 18:02:12,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:02:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-07-13 18:02:14,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:02:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 0 proven. 10899 refuted. 0 times theorem prover too weak. 22197 trivial. 0 not checked. [2022-07-13 18:02:22,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144404728] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:02:22,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:02:22,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 36 [2022-07-13 18:02:22,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143230862] [2022-07-13 18:02:22,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:02:22,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-07-13 18:02:22,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:02:22,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-07-13 18:02:22,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2022-07-13 18:02:22,873 INFO L87 Difference]: Start difference. First operand 136 states and 180 transitions. Second operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2022-07-13 18:02:23,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:02:23,421 INFO L93 Difference]: Finished difference Result 149 states and 201 transitions. [2022-07-13 18:02:23,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-07-13 18:02:23,422 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) Word has length 746 [2022-07-13 18:02:23,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:02:23,424 INFO L225 Difference]: With dead ends: 149 [2022-07-13 18:02:23,424 INFO L226 Difference]: Without dead ends: 145 [2022-07-13 18:02:23,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1929 GetRequests, 1837 SyntacticMatches, 58 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=85, Invalid=1175, Unknown=0, NotChecked=0, Total=1260 [2022-07-13 18:02:23,425 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 797 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 18:02:23,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 844 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 18:02:23,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-07-13 18:02:23,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 144. [2022-07-13 18:02:23,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 102 states have (on average 1.0196078431372548) internal successors, (104), 100 states have internal predecessors, (104), 29 states have call successors, (29), 22 states have call predecessors, (29), 12 states have return successors, (60), 21 states have call predecessors, (60), 29 states have call successors, (60) [2022-07-13 18:02:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 193 transitions. [2022-07-13 18:02:23,436 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 193 transitions. Word has length 746 [2022-07-13 18:02:23,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:02:23,437 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 193 transitions. [2022-07-13 18:02:23,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 19 states have internal predecessors, (42), 8 states have call successors, (9), 1 states have call predecessors, (9), 9 states have return successors, (24), 24 states have call predecessors, (24), 8 states have call successors, (24) [2022-07-13 18:02:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 193 transitions. [2022-07-13 18:02:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 924 [2022-07-13 18:02:23,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 18:02:23,459 INFO L195 NwaCegarLoop]: trace histogram [135, 135, 109, 67, 67, 67, 67, 67, 67, 67, 42, 26, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 18:02:23,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-13 18:02:23,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:02:23,678 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 18:02:23,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 18:02:23,679 INFO L85 PathProgramCache]: Analyzing trace with hash -151858645, now seen corresponding path program 9 times [2022-07-13 18:02:23,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 18:02:23,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049779702] [2022-07-13 18:02:23,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 18:02:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 18:02:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:24,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 18:02:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:25,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:02:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-13 18:02:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:25,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-13 18:02:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2022-07-13 18:02:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-13 18:02:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:26,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-13 18:02:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-13 18:02:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-13 18:02:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 18:02:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-13 18:02:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-13 18:02:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 18:02:26,642 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 3313 proven. 5871 refuted. 0 times theorem prover too weak. 41726 trivial. 0 not checked. [2022-07-13 18:02:26,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 18:02:26,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049779702] [2022-07-13 18:02:26,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049779702] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 18:02:26,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341486547] [2022-07-13 18:02:26,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-13 18:02:26,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 18:02:26,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 18:02:26,660 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 18:02:26,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-13 18:02:26,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 36 check-sat command(s) [2022-07-13 18:02:26,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 18:02:26,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-13 18:02:26,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 18:02:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1209 proven. 5377 refuted. 0 times theorem prover too weak. 44324 trivial. 0 not checked. [2022-07-13 18:02:27,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 18:02:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 50910 backedges. 1201 proven. 5477 refuted. 0 times theorem prover too weak. 44232 trivial. 0 not checked. [2022-07-13 18:02:31,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341486547] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 18:02:31,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 18:02:31,369 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 14, 22] total 43 [2022-07-13 18:02:31,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763456778] [2022-07-13 18:02:31,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 18:02:31,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-07-13 18:02:31,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 18:02:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-07-13 18:02:31,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=1391, Unknown=0, NotChecked=0, Total=1806 [2022-07-13 18:02:31,372 INFO L87 Difference]: Start difference. First operand 144 states and 193 transitions. Second operand has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) [2022-07-13 18:02:31,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 18:02:31,949 INFO L93 Difference]: Finished difference Result 287 states and 400 transitions. [2022-07-13 18:02:31,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-13 18:02:31,950 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) Word has length 923 [2022-07-13 18:02:31,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 18:02:31,951 INFO L225 Difference]: With dead ends: 287 [2022-07-13 18:02:31,951 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 18:02:31,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2157 GetRequests, 2092 SyntacticMatches, 10 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1272 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2022-07-13 18:02:31,953 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 244 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 625 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 625 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 18:02:31,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 221 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 625 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 18:02:31,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 18:02:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 18:02:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 18:02:31,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 18:02:31,954 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 923 [2022-07-13 18:02:31,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 18:02:31,954 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 18:02:31,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.4761904761904763) internal successors, (104), 43 states have internal predecessors, (104), 33 states have call successors, (37), 1 states have call predecessors, (37), 17 states have return successors, (56), 28 states have call predecessors, (56), 33 states have call successors, (56) [2022-07-13 18:02:31,954 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 18:02:31,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 18:02:31,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 18:02:31,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-13 18:02:32,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 18:02:32,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point fibonacciFINAL(lines 16 24) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L902 garLoopResultBuilder]: At program point fibonacciENTRY(lines 16 24) the Hoare annotation is: true [2022-07-13 18:02:32,801 INFO L895 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: (and (= fibonacci_~n |fibonacci_#in~n|) (not (<= |fibonacci_#in~n| 1))) [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L895 garLoopResultBuilder]: At program point L22-2(line 22) the Hoare annotation is: (and (let ((.cse0 (<= 1 |fibonacci_#t~ret4|)) (.cse1 (<= |fibonacci_#t~ret4| 1))) (or (and (<= 5 |fibonacci_#t~ret4|) (<= 6 fibonacci_~n) (<= |fibonacci_#t~ret4| 5) (<= fibonacci_~n 6)) (and (<= fibonacci_~n 4) (<= 2 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 2) (<= 4 |fibonacci_#in~n|)) (and (<= 8 fibonacci_~n) (<= |fibonacci_#t~ret4| 13) (<= |fibonacci_#in~n| 8) (<= 13 |fibonacci_#t~ret4|)) (and (<= 7 fibonacci_~n) (<= 8 |fibonacci_#t~ret4|) (<= fibonacci_~n 7) (<= |fibonacci_#t~ret4| 8)) (and (not (<= fibonacci_~n 1)) .cse0 (<= |fibonacci_#in~n| 2) .cse1) (and .cse0 (<= 3 fibonacci_~n) .cse1 (<= |fibonacci_#in~n| 3)) (and (<= 3 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 3) (<= 5 fibonacci_~n) (<= |fibonacci_#in~n| 5)) (and (<= 21 |fibonacci_#t~ret4|) (<= |fibonacci_#t~ret4| 21) (<= 9 |fibonacci_#in~n|)) (<= 10 |fibonacci_#in~n|))) (= fibonacci_~n |fibonacci_#in~n|)) [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point L19(lines 19 23) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point L22-3(line 22) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point fibonacciEXIT(lines 16 24) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 23) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2022-07-13 18:02:32,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 18:02:32,802 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 18:02:32,802 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 34) no Hoare annotation was computed. [2022-07-13 18:02:32,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 18:02:32,802 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (and (<= 9 |ULTIMATE.start_main_~x~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 9)) [2022-07-13 18:02:32,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 18:02:32,802 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-07-13 18:02:32,802 INFO L895 garLoopResultBuilder]: At program point L27(lines 27 35) the Hoare annotation is: (<= 9 |ULTIMATE.start_main_~x~0#1|) [2022-07-13 18:02:32,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 33) no Hoare annotation was computed. [2022-07-13 18:02:32,804 INFO L356 BasicCegarLoop]: Path program histogram: [9, 1, 1, 1] [2022-07-13 18:02:32,807 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 18:02:32,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 06:02:32 BoogieIcfgContainer [2022-07-13 18:02:32,830 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 18:02:32,843 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 18:02:32,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 18:02:32,844 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 18:02:32,844 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:01:39" (3/4) ... [2022-07-13 18:02:32,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 18:02:32,857 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fibonacci [2022-07-13 18:02:32,876 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 18:02:32,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 18:02:32,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 18:02:32,877 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 18:02:32,908 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 18:02:32,908 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 18:02:32,908 INFO L158 Benchmark]: Toolchain (without parser) took 53891.15ms. Allocated memory was 113.2MB in the beginning and 614.5MB in the end (delta: 501.2MB). Free memory was 86.7MB in the beginning and 286.4MB in the end (delta: -199.7MB). Peak memory consumption was 301.6MB. Max. memory is 16.1GB. [2022-07-13 18:02:32,909 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 18:02:32,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.08ms. Allocated memory was 113.2MB in the beginning and 186.6MB in the end (delta: 73.4MB). Free memory was 86.5MB in the beginning and 161.7MB in the end (delta: -75.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 18:02:32,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.90ms. Allocated memory is still 186.6MB. Free memory was 161.7MB in the beginning and 160.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:02:32,909 INFO L158 Benchmark]: Boogie Preprocessor took 15.76ms. Allocated memory is still 186.6MB. Free memory was 160.2MB in the beginning and 159.4MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 18:02:32,909 INFO L158 Benchmark]: RCFGBuilder took 227.84ms. Allocated memory is still 186.6MB. Free memory was 159.4MB in the beginning and 150.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 18:02:32,910 INFO L158 Benchmark]: TraceAbstraction took 53118.20ms. Allocated memory was 186.6MB in the beginning and 614.5MB in the end (delta: 427.8MB). Free memory was 149.7MB in the beginning and 289.5MB in the end (delta: -139.8MB). Peak memory consumption was 291.0MB. Max. memory is 16.1GB. [2022-07-13 18:02:32,910 INFO L158 Benchmark]: Witness Printer took 65.23ms. Allocated memory is still 614.5MB. Free memory was 289.5MB in the beginning and 286.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 18:02:32,911 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 113.2MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.08ms. Allocated memory was 113.2MB in the beginning and 186.6MB in the end (delta: 73.4MB). Free memory was 86.5MB in the beginning and 161.7MB in the end (delta: -75.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.90ms. Allocated memory is still 186.6MB. Free memory was 161.7MB in the beginning and 160.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.76ms. Allocated memory is still 186.6MB. Free memory was 160.2MB in the beginning and 159.4MB in the end (delta: 842.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 227.84ms. Allocated memory is still 186.6MB. Free memory was 159.4MB in the beginning and 150.3MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 53118.20ms. Allocated memory was 186.6MB in the beginning and 614.5MB in the end (delta: 427.8MB). Free memory was 149.7MB in the beginning and 289.5MB in the end (delta: -139.8MB). Peak memory consumption was 291.0MB. Max. memory is 16.1GB. * Witness Printer took 65.23ms. Allocated memory is still 614.5MB. Free memory was 289.5MB in the beginning and 286.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 12, TraceHistogramMax: 135, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.1s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1348 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1253 mSDsluCounter, 2084 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1789 mSDsCounter, 1780 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4014 IncrementalHoareTripleChecker+Invalid, 5794 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1780 mSolverCounterUnsat, 295 mSDtfsCounter, 4014 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9030 GetRequests, 8611 SyntacticMatches, 81 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5189 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=192occurred in iteration=7, InterpolantAutomatonStates: 234, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 81 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 440 PreInvPairs, 649 NumberOfFragments, 129 HoareAnnotationTreeSize, 440 FomulaSimplifications, 1754 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 5 FomulaSimplificationsInter, 3710 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 42.6s InterpolantComputationTime, 7501 NumberOfCodeBlocks, 6503 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 11209 ConstructedInterpolants, 0 QuantifiedInterpolants, 22254 SizeOfPredicates, 48 NumberOfNonLiveVariables, 6271 ConjunctsInSsa, 552 ConjunctsInUnsatCore, 32 InterpolantComputations, 2 PerfectInterpolantSequences, 401455/473739 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 9 <= x RESULT: Ultimate proved your program to be correct! [2022-07-13 18:02:32,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE