./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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/uthash-2.0.2/uthash_FNV_test2-1.i -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 c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 21:22:02,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 21:22:02,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 21:22:02,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 21:22:02,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 21:22:02,294 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 21:22:02,296 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 21:22:02,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 21:22:02,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 21:22:02,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 21:22:02,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 21:22:02,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 21:22:02,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 21:22:02,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 21:22:02,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 21:22:02,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 21:22:02,321 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 21:22:02,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 21:22:02,325 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 21:22:02,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 21:22:02,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 21:22:02,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 21:22:02,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 21:22:02,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 21:22:02,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 21:22:02,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 21:22:02,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 21:22:02,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 21:22:02,349 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 21:22:02,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 21:22:02,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 21:22:02,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 21:22:02,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 21:22:02,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 21:22:02,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 21:22:02,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 21:22:02,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 21:22:02,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 21:22:02,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 21:22:02,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 21:22:02,358 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 21:22:02,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 21:22:02,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 21:22:02,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 21:22:02,394 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 21:22:02,394 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 21:22:02,395 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 21:22:02,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 21:22:02,397 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 21:22:02,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 21:22:02,405 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 21:22:02,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 21:22:02,406 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 21:22:02,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 21:22:02,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 21:22:02,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 21:22:02,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 21:22:02,407 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 21:22:02,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 21:22:02,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 21:22:02,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 21:22:02,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 21:22:02,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 21:22:02,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 21:22:02,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:22:02,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 21:22:02,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 21:22:02,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 21:22:02,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 21:22:02,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 21:22:02,410 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 21:22:02,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 21:22:02,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 21:22:02,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 21:22:02,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2021-11-07 21:22:02,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 21:22:02,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 21:22:02,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 21:22:02,669 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 21:22:02,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 21:22:02,671 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-07 21:22:02,756 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccacf493d/fccd3993a7ae4e5895787a855f6ff4c8/FLAG32c7d68c0 [2021-11-07 21:22:03,333 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 21:22:03,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-07 21:22:03,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccacf493d/fccd3993a7ae4e5895787a855f6ff4c8/FLAG32c7d68c0 [2021-11-07 21:22:03,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccacf493d/fccd3993a7ae4e5895787a855f6ff4c8 [2021-11-07 21:22:03,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 21:22:03,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 21:22:03,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 21:22:03,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 21:22:03,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 21:22:03,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:22:03" (1/1) ... [2021-11-07 21:22:03,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ef638e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:03, skipping insertion in model container [2021-11-07 21:22:03,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:22:03" (1/1) ... [2021-11-07 21:22:03,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 21:22:03,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 21:22:04,176 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-07 21:22:04,292 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-07 21:22:04,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:22:04,305 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 21:22:04,341 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-07 21:22:04,414 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-07 21:22:04,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 21:22:04,462 INFO L208 MainTranslator]: Completed translation [2021-11-07 21:22:04,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04 WrapperNode [2021-11-07 21:22:04,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 21:22:04,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 21:22:04,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 21:22:04,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 21:22:04,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 21:22:04,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 21:22:04,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 21:22:04,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 21:22:04,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 21:22:04,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 21:22:04,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 21:22:04,710 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 21:22:04,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (1/1) ... [2021-11-07 21:22:04,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 21:22:04,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:04,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 21:22:04,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 21:22:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 21:22:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 21:22:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 21:22:04,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 21:22:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 21:22:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 21:22:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 21:22:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 21:22:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 21:22:04,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 21:22:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 21:22:05,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 21:22:05,677 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-07 21:22:05,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:22:05 BoogieIcfgContainer [2021-11-07 21:22:05,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 21:22:05,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 21:22:05,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 21:22:05,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 21:22:05,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:22:03" (1/3) ... [2021-11-07 21:22:05,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb9bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:22:05, skipping insertion in model container [2021-11-07 21:22:05,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:22:04" (2/3) ... [2021-11-07 21:22:05,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36eb9bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:22:05, skipping insertion in model container [2021-11-07 21:22:05,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:22:05" (3/3) ... [2021-11-07 21:22:05,687 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2021-11-07 21:22:05,691 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 21:22:05,692 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 21:22:05,732 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 21:22:05,738 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 21:22:05,738 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 21:22:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 21:22:05,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:05,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:05,763 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:05,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-07 21:22:05,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:05,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252909090] [2021-11-07 21:22:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:05,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:22:05,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:05,904 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252909090] [2021-11-07 21:22:05,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252909090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:05,905 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:05,905 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 21:22:05,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008582336] [2021-11-07 21:22:05,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:05,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 21:22:05,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:05,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 21:22:05,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:22:05,940 INFO L87 Difference]: Start difference. First operand has 177 states, 170 states have (on average 1.723529411764706) internal successors, (293), 176 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:05,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:05,994 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-07 21:22:05,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 21:22:05,997 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 21:22:05,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:06,005 INFO L225 Difference]: With dead ends: 352 [2021-11-07 21:22:06,005 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 21:22:06,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 21:22:06,012 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.28ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:06,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 5.28ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 21:22:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 21:22:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 21:22:06,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 167 states have (on average 1.347305389221557) internal successors, (225), 172 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-07 21:22:06,053 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-07 21:22:06,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:06,054 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-07 21:22:06,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:06,054 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-07 21:22:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 21:22:06,056 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:06,056 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:06,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 21:22:06,057 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:06,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:06,058 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-07 21:22:06,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:06,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949043341] [2021-11-07 21:22:06,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:06,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:22:06,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:06,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949043341] [2021-11-07 21:22:06,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949043341] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:06,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:06,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:06,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029036110] [2021-11-07 21:22:06,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:06,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:06,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:06,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:06,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:06,169 INFO L87 Difference]: Start difference. First operand 173 states and 225 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:06,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:06,521 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-07 21:22:06,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:06,522 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-11-07 21:22:06,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:06,524 INFO L225 Difference]: With dead ends: 377 [2021-11-07 21:22:06,524 INFO L226 Difference]: Without dead ends: 294 [2021-11-07 21:22:06,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.39ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:06,526 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 253.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.89ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 296.15ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:06,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 6.89ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 296.15ms Time] [2021-11-07 21:22:06,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-07 21:22:06,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-07 21:22:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 169 states have (on average 1.3431952662721893) internal successors, (227), 174 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:06,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-07 21:22:06,540 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-07 21:22:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:06,541 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-07 21:22:06,541 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-07 21:22:06,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:22:06,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:06,544 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:06,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 21:22:06,545 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:06,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:06,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-07 21:22:06,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:06,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082087806] [2021-11-07 21:22:06,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:06,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:06,568 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:06,568 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [599143399] [2021-11-07 21:22:06,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:06,569 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:06,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:06,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:06,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 21:22:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:06,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:06,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:06,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:22:06,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:06,951 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:06,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082087806] [2021-11-07 21:22:06,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:06,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [599143399] [2021-11-07 21:22:06,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [599143399] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:06,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:06,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:22:06,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113975597] [2021-11-07 21:22:06,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:06,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:22:06,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:06,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:22:06,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:06,955 INFO L87 Difference]: Start difference. First operand 175 states and 227 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:07,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:07,014 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-07 21:22:07,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:22:07,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 21:22:07,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:07,016 INFO L225 Difference]: With dead ends: 367 [2021-11-07 21:22:07,016 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 21:22:07,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:07,018 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.11ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.43ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:07,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 1.11ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 50.43ms Time] [2021-11-07 21:22:07,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 21:22:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-07 21:22:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 189 states have (on average 1.306878306878307) internal successors, (247), 194 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:07,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-07 21:22:07,027 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-07 21:22:07,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:07,028 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-07 21:22:07,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-07 21:22:07,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:22:07,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:07,030 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:07,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 21:22:07,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:07,240 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:07,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:07,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-07 21:22:07,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:07,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875335058] [2021-11-07 21:22:07,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:07,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:07,258 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:07,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1828489889] [2021-11-07 21:22:07,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:07,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:07,260 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:07,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 21:22:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:07,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:07,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 21:22:07,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:07,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:07,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875335058] [2021-11-07 21:22:07,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:07,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828489889] [2021-11-07 21:22:07,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828489889] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:07,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:07,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:22:07,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922345135] [2021-11-07 21:22:07,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:07,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:22:07,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:07,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:22:07,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:07,628 INFO L87 Difference]: Start difference. First operand 195 states and 247 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:07,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:07,686 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-07 21:22:07,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:22:07,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 21:22:07,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:07,688 INFO L225 Difference]: With dead ends: 298 [2021-11-07 21:22:07,688 INFO L226 Difference]: Without dead ends: 216 [2021-11-07 21:22:07,688 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:07,689 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.96ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:07,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 50.96ms Time] [2021-11-07 21:22:07,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-07 21:22:07,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-07 21:22:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 209 states have (on average 1.277511961722488) internal successors, (267), 214 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:07,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-07 21:22:07,698 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-07 21:22:07,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:07,698 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-07 21:22:07,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:07,699 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-07 21:22:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:22:07,700 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:07,700 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:07,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 21:22:07,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-07 21:22:07,919 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:07,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:07,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-07 21:22:07,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:07,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146226874] [2021-11-07 21:22:07,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:07,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:07,935 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:07,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572459059] [2021-11-07 21:22:07,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:07,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:07,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:07,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:07,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 21:22:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:08,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:08,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:22:08,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:08,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:08,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146226874] [2021-11-07 21:22:08,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:08,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572459059] [2021-11-07 21:22:08,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572459059] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:08,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:08,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:08,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023043869] [2021-11-07 21:22:08,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:08,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:08,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:08,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:08,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:08,354 INFO L87 Difference]: Start difference. First operand 215 states and 267 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:08,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:08,428 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-07 21:22:08,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:08,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 21:22:08,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:08,430 INFO L225 Difference]: With dead ends: 418 [2021-11-07 21:22:08,430 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 21:22:08,431 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.59ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:08,432 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.26ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.72ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:08,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 2.26ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 51.72ms Time] [2021-11-07 21:22:08,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 21:22:08,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-07 21:22:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 195 states have (on average 1.2615384615384615) internal successors, (246), 200 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:08,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-07 21:22:08,446 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-07 21:22:08,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:08,448 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-07 21:22:08,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:08,449 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-07 21:22:08,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:22:08,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:08,453 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:08,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 21:22:08,667 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:08,667 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:08,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:08,668 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-07 21:22:08,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:08,668 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716262950] [2021-11-07 21:22:08,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:08,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:08,683 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:08,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490489343] [2021-11-07 21:22:08,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:08,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:08,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:08,685 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:08,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 21:22:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:08,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 21:22:08,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:09,013 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 21:22:09,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:09,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:09,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716262950] [2021-11-07 21:22:09,014 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:09,014 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490489343] [2021-11-07 21:22:09,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490489343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:09,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:09,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:09,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898387406] [2021-11-07 21:22:09,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:09,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:09,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:09,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:09,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:09,016 INFO L87 Difference]: Start difference. First operand 201 states and 246 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:09,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:09,077 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-07 21:22:09,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:09,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 21:22:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:09,079 INFO L225 Difference]: With dead ends: 295 [2021-11-07 21:22:09,079 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 21:22:09,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.28ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:09,080 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.47ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.95ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:09,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 1.47ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 47.95ms Time] [2021-11-07 21:22:09,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 21:22:09,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-07 21:22:09,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 181 states have (on average 1.2430939226519337) internal successors, (225), 186 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:09,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-07 21:22:09,087 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-07 21:22:09,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:09,087 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-07 21:22:09,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-07 21:22:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 21:22:09,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:09,089 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:09,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 21:22:09,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:09,316 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-07 21:22:09,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:09,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011622902] [2021-11-07 21:22:09,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:09,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:09,328 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:09,329 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2078804212] [2021-11-07 21:22:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:09,329 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:09,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:09,330 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:09,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 21:22:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:09,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:22:09,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:22:09,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:09,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:09,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011622902] [2021-11-07 21:22:09,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:09,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078804212] [2021-11-07 21:22:09,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078804212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:09,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:09,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 21:22:09,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687221851] [2021-11-07 21:22:09,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:09,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 21:22:09,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:09,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 21:22:09,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:09,767 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:09,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:09,815 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-07 21:22:09,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 21:22:09,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2021-11-07 21:22:09,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:09,818 INFO L225 Difference]: With dead ends: 486 [2021-11-07 21:22:09,818 INFO L226 Difference]: Without dead ends: 303 [2021-11-07 21:22:09,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.00ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 21:22:09,819 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.07ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.58ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:09,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 1.07ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 38.58ms Time] [2021-11-07 21:22:09,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-07 21:22:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-07 21:22:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 285 states have (on average 1.2280701754385965) internal successors, (350), 290 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-07 21:22:09,827 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-07 21:22:09,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:09,828 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-07 21:22:09,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:09,828 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-07 21:22:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 21:22:09,829 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:09,829 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:09,857 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 21:22:10,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:10,052 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:10,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:10,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-07 21:22:10,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:10,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358584007] [2021-11-07 21:22:10,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:10,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:10,064 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:10,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976265595] [2021-11-07 21:22:10,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:10,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:10,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:10,066 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:10,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 21:22:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:10,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 21:22:10,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:10,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 21:22:10,410 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 21:22:10,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 21:22:10,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358584007] [2021-11-07 21:22:10,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 21:22:10,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976265595] [2021-11-07 21:22:10,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976265595] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 21:22:10,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 21:22:10,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 21:22:10,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90448165] [2021-11-07 21:22:10,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 21:22:10,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 21:22:10,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 21:22:10,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 21:22:10,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 21:22:10,413 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:10,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 21:22:10,571 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-07 21:22:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 21:22:10,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2021-11-07 21:22:10,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 21:22:10,573 INFO L225 Difference]: With dead ends: 474 [2021-11-07 21:22:10,573 INFO L226 Difference]: Without dead ends: 231 [2021-11-07 21:22:10,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.66ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 21:22:10,574 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.72ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 139.46ms IncrementalHoareTripleChecker+Time [2021-11-07 21:22:10,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.72ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 139.46ms Time] [2021-11-07 21:22:10,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-07 21:22:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-07 21:22:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 225 states have (on average 1.208888888888889) internal successors, (272), 230 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-07 21:22:10,581 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-07 21:22:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 21:22:10,582 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-07 21:22:10,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 21:22:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-07 21:22:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 21:22:10,583 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 21:22:10,583 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 21:22:10,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 21:22:10,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:10,792 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-07 21:22:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 21:22:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-07 21:22:10,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 21:22:10,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894147137] [2021-11-07 21:22:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:10,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 21:22:10,804 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 21:22:10,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327910854] [2021-11-07 21:22:10,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 21:22:10,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 21:22:10,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 21:22:10,806 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 21:22:10,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 21:22:10,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 21:22:10,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 21:22:10,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 21:22:10,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-07 21:22:10,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 21:22:11,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:11,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2021-11-07 21:22:11,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:11,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:11,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:11,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2021-11-07 21:22:12,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 57 [2021-11-07 21:22:12,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 44 [2021-11-07 21:22:12,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 66 [2021-11-07 21:22:12,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 21:22:12,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 21:22:12,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2021-11-07 21:22:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,244 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 21:22:12,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2021-11-07 21:22:12,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:12,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 47 [2021-11-07 21:22:13,674 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 21:22:13,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 2845 treesize of output 2294 [2021-11-07 21:22:13,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,846 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 21:22:14,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 3260 treesize of output 2918 [2021-11-07 21:22:14,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:19,993 WARN L227 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 535 DAG size of output: 129 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 21:22:19,995 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 21:22:19,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 8 new quantified variables, introduced 32 case distinctions, treesize of input 4258 treesize of output 2277 [2021-11-07 21:22:20,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:20,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 24 [2021-11-07 21:22:20,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:20,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 30 [2021-11-07 21:22:23,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:22:23,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:22:23,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:22:23,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:23,783 INFO L244 Elim1Store]: Index analysis took 201 ms [2021-11-07 21:22:23,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 955 treesize of output 443 [2021-11-07 21:22:24,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:22:24,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:24,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:24,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:22:24,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 21:22:24,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:07,065 WARN L227 SmtUtils]: Spent 10.71m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-07 21:33:07,067 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 21:33:07,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 38 new quantified variables, introduced 168 case distinctions, treesize of input 1851380 treesize of output 765901 [2021-11-07 21:33:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:12,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,148 INFO L244 Elim1Store]: Index analysis took 346 ms [2021-11-07 21:33:13,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:13,457 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:33:13,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 678 treesize of output 316 [2021-11-07 21:33:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:17,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:18,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:19,696 INFO L244 Elim1Store]: Index analysis took 3874 ms [2021-11-07 21:33:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:20,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:20,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:21,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:21,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:21,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:22,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:22,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:22,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:23,006 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:33:23,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1023 treesize of output 442 [2021-11-07 21:33:23,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:24,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:24,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:24,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:24,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:25,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:25,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:25,418 INFO L244 Elim1Store]: Index analysis took 2001 ms [2021-11-07 21:33:25,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:26,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:26,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:27,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:27,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:28,105 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:33:28,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 7 case distinctions, treesize of input 758 treesize of output 356 [2021-11-07 21:33:28,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:29,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:29,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:29,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,132 INFO L244 Elim1Store]: Index analysis took 1708 ms [2021-11-07 21:33:30,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:31,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:31,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:31,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:32,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 21:33:32,152 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 21:33:32,152 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 12 case distinctions, treesize of input 1341 treesize of output 607 Killed by 15