./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_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_SAX_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 dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 22:31:10,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 22:31:10,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 22:31:10,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 22:31:10,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 22:31:10,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 22:31:10,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 22:31:10,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 22:31:10,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 22:31:10,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 22:31:10,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 22:31:10,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 22:31:10,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 22:31:10,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 22:31:10,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 22:31:10,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 22:31:10,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 22:31:10,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 22:31:10,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 22:31:10,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 22:31:10,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 22:31:10,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 22:31:10,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 22:31:10,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 22:31:10,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 22:31:10,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 22:31:10,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 22:31:10,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 22:31:10,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 22:31:10,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 22:31:10,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 22:31:10,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 22:31:10,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 22:31:10,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 22:31:10,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 22:31:10,927 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 22:31:10,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 22:31:10,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 22:31:10,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 22:31:10,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 22:31:10,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 22:31:10,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-07 22:31:10,951 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 22:31:10,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 22:31:10,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 22:31:10,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 22:31:10,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 22:31:10,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 22:31:10,956 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 22:31:10,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 22:31:10,957 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 22:31:10,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 22:31:10,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 22:31:10,958 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 22:31:10,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 22:31:10,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 22:31:10,959 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 22:31:10,959 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 22:31:10,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:31:10,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 22:31:10,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 22:31:10,960 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 22:31:10,960 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 22:31:10,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 22:31:10,961 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 22:31:10,961 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 22:31:10,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 22:31:10,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 22:31:10,962 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbea62dc4a872959247118f049e63d406eb1e848bb1ed8397f1082fdec77074c [2021-11-07 22:31:11,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 22:31:11,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 22:31:11,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 22:31:11,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 22:31:11,161 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 22:31:11,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-07 22:31:11,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb791aad1/daf20a478e5c4564bb8ccfdde8db8188/FLAGe2fbb5cf8 [2021-11-07 22:31:11,653 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 22:31:11,654 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-1.i [2021-11-07 22:31:11,679 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb791aad1/daf20a478e5c4564bb8ccfdde8db8188/FLAGe2fbb5cf8 [2021-11-07 22:31:11,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb791aad1/daf20a478e5c4564bb8ccfdde8db8188 [2021-11-07 22:31:11,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 22:31:11,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 22:31:11,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 22:31:11,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 22:31:11,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 22:31:11,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:31:11" (1/1) ... [2021-11-07 22:31:11,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6583e6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:11, skipping insertion in model container [2021-11-07 22:31:11,702 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:31:11" (1/1) ... [2021-11-07 22:31:11,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 22:31:11,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 22:31:12,028 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_SAX_test2-1.i[37019,37032] [2021-11-07 22:31:12,137 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_SAX_test2-1.i[47352,47365] [2021-11-07 22:31:12,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:31:12,161 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 22:31:12,188 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_SAX_test2-1.i[37019,37032] [2021-11-07 22:31:12,226 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_SAX_test2-1.i[47352,47365] [2021-11-07 22:31:12,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 22:31:12,260 INFO L208 MainTranslator]: Completed translation [2021-11-07 22:31:12,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12 WrapperNode [2021-11-07 22:31:12,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 22:31:12,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 22:31:12,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 22:31:12,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 22:31:12,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 22:31:12,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 22:31:12,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 22:31:12,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 22:31:12,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 22:31:12,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 22:31:12,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 22:31:12,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 22:31:12,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (1/1) ... [2021-11-07 22:31:12,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 22:31:12,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:12,441 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 22:31:12,471 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 22:31:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 22:31:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-07 22:31:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 22:31:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 22:31:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 22:31:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 22:31:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 22:31:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 22:31:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 22:31:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 22:31:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 22:31:13,221 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 22:31:13,222 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-07 22:31:13,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:31:13 BoogieIcfgContainer [2021-11-07 22:31:13,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 22:31:13,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 22:31:13,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 22:31:13,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 22:31:13,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:31:11" (1/3) ... [2021-11-07 22:31:13,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c09008a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:31:13, skipping insertion in model container [2021-11-07 22:31:13,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:31:12" (2/3) ... [2021-11-07 22:31:13,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c09008a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:31:13, skipping insertion in model container [2021-11-07 22:31:13,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:31:13" (3/3) ... [2021-11-07 22:31:13,229 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-1.i [2021-11-07 22:31:13,232 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 22:31:13,232 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-07 22:31:13,266 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 22:31:13,270 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 22:31:13,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-07 22:31:13,301 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 22:31:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 22:31:13,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:13,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 22:31:13,308 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 22:31:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-07 22:31:13,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:13,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210452765] [2021-11-07 22:31:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:13,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:13,484 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 22:31:13,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:13,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210452765] [2021-11-07 22:31:13,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210452765] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:13,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:13,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 22:31:13,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976137309] [2021-11-07 22:31:13,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:13,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 22:31:13,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:13,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 22:31:13,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:31:13,520 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 22:31:13,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:13,551 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-07 22:31:13,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 22:31:13,553 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 22:31:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:13,560 INFO L225 Difference]: With dead ends: 352 [2021-11-07 22:31:13,561 INFO L226 Difference]: Without dead ends: 173 [2021-11-07 22:31:13,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.03ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 22:31:13,566 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, 2.63ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:13,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 2.63ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 22:31:13,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-07 22:31:13,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-07 22:31:13,602 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 22:31:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-07 22:31:13,606 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-07 22:31:13,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:13,606 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-07 22:31:13,607 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 22:31:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-07 22:31:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-07 22:31:13,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:13,608 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 22:31:13,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 22:31:13,608 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 22:31:13,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:13,609 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-07 22:31:13,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:13,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911609343] [2021-11-07 22:31:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:13,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:13,701 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 22:31:13,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:13,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911609343] [2021-11-07 22:31:13,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911609343] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:13,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:13,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:31:13,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180260808] [2021-11-07 22:31:13,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:13,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:31:13,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:13,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:31:13,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:31:13,703 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 22:31:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:13,977 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-07 22:31:13,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:31:13,977 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 22:31:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:13,979 INFO L225 Difference]: With dead ends: 377 [2021-11-07 22:31:13,979 INFO L226 Difference]: Without dead ends: 294 [2021-11-07 22:31:13,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.12ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:31:13,981 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 153 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.69ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 227.43ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:13,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 534 Invalid, 142 Unknown, 0 Unchecked, 5.69ms Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 227.43ms Time] [2021-11-07 22:31:13,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-07 22:31:13,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-07 22:31:13,990 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 22:31:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-07 22:31:13,991 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-07 22:31:13,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:13,991 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-07 22:31:13,997 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 22:31:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-07 22:31:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:31:14,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:14,001 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 22:31:14,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 22:31:14,002 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 22:31:14,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:14,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-07 22:31:14,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:14,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445039207] [2021-11-07 22:31:14,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:14,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:14,025 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:14,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1669903324] [2021-11-07 22:31:14,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:14,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:14,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:14,057 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 22:31:14,075 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 22:31:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:14,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:31:14,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:14,413 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 22:31:14,413 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:31:14,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:14,413 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445039207] [2021-11-07 22:31:14,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:31:14,414 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669903324] [2021-11-07 22:31:14,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669903324] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:14,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:14,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:31:14,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134117736] [2021-11-07 22:31:14,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:14,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:31:14,418 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:14,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:31:14,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:31:14,419 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 22:31:14,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:14,464 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-07 22:31:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:31:14,465 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 22:31:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:14,467 INFO L225 Difference]: With dead ends: 367 [2021-11-07 22:31:14,467 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 22:31:14,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.40ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:31:14,471 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.46ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.87ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.61ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:14,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.87ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 39.61ms Time] [2021-11-07 22:31:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 22:31:14,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-07 22:31:14,488 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 22:31:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-07 22:31:14,489 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-07 22:31:14,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:14,489 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-07 22:31:14,489 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 22:31:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-07 22:31:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:31:14,491 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:14,492 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 22:31:14,512 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 22:31:14,712 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 22:31:14,713 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 22:31:14,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:14,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-07 22:31:14,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:14,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937638013] [2021-11-07 22:31:14,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:14,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:14,735 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:14,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1643321665] [2021-11-07 22:31:14,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:14,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:14,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:14,738 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 22:31:14,756 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 22:31:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:14,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:31:14,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:15,025 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 22:31:15,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:31:15,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:15,026 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937638013] [2021-11-07 22:31:15,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:31:15,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643321665] [2021-11-07 22:31:15,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643321665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:15,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:15,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:31:15,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204599007] [2021-11-07 22:31:15,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:15,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:31:15,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:15,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:31:15,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:31:15,031 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 22:31:15,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:15,083 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-07 22:31:15,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:31:15,083 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 22:31:15,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:15,084 INFO L225 Difference]: With dead ends: 298 [2021-11-07 22:31:15,084 INFO L226 Difference]: Without dead ends: 216 [2021-11-07 22:31:15,085 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.38ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:31:15,087 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 9 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.88ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:15,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 395 Invalid, 72 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 46.88ms Time] [2021-11-07 22:31:15,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-07 22:31:15,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-07 22:31:15,095 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 22:31:15,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-07 22:31:15,096 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-07 22:31:15,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:15,098 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-07 22:31:15,098 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 22:31:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-07 22:31:15,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:31:15,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:15,104 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 22:31:15,141 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 22:31:15,321 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 22:31:15,322 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 22:31:15,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-07 22:31:15,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:15,323 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701652516] [2021-11-07 22:31:15,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:15,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:15,333 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:15,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [605961568] [2021-11-07 22:31:15,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:15,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:15,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:15,334 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 22:31:15,335 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 22:31:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:15,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:31:15,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:15,598 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 22:31:15,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:31:15,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:15,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701652516] [2021-11-07 22:31:15,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:31:15,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605961568] [2021-11-07 22:31:15,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605961568] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:15,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:15,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:31:15,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439771873] [2021-11-07 22:31:15,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:15,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:31:15,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:15,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:31:15,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:31:15,600 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 22:31:15,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:15,646 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-07 22:31:15,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:31:15,647 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 22:31:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:15,648 INFO L225 Difference]: With dead ends: 418 [2021-11-07 22:31:15,648 INFO L226 Difference]: Without dead ends: 207 [2021-11-07 22:31:15,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.63ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:31:15,648 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 213 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.24ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.24ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.77ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:15,649 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 406 Invalid, 66 Unknown, 0 Unchecked, 1.24ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 36.77ms Time] [2021-11-07 22:31:15,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-07 22:31:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-07 22:31:15,652 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 22:31:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-07 22:31:15,652 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-07 22:31:15,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:15,652 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-07 22:31:15,653 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 22:31:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-07 22:31:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:31:15,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:15,654 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 22:31:15,672 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 22:31:15,873 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 22:31:15,873 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 22:31:15,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:15,874 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-07 22:31:15,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:15,874 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23081886] [2021-11-07 22:31:15,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:15,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:15,882 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:15,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [924065141] [2021-11-07 22:31:15,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:15,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:15,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:15,904 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 22:31:15,905 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 22:31:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:16,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 22:31:16,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:16,168 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 22:31:16,168 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:31:16,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:16,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23081886] [2021-11-07 22:31:16,169 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:31:16,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924065141] [2021-11-07 22:31:16,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924065141] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:16,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:16,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:31:16,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044979393] [2021-11-07 22:31:16,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:16,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:31:16,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:16,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:31:16,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:31:16,172 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 22:31:16,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:16,217 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-07 22:31:16,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:31:16,217 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 22:31:16,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:16,219 INFO L225 Difference]: With dead ends: 295 [2021-11-07 22:31:16,219 INFO L226 Difference]: Without dead ends: 193 [2021-11-07 22:31:16,219 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.21ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:31:16,220 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 96 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.42ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.95ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.88ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:16,220 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [96 Valid, 496 Invalid, 66 Unknown, 0 Unchecked, 0.95ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 33.88ms Time] [2021-11-07 22:31:16,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-07 22:31:16,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-07 22:31:16,224 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 22:31:16,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-07 22:31:16,225 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-07 22:31:16,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:16,225 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-07 22:31:16,225 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 22:31:16,225 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-07 22:31:16,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 22:31:16,226 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:16,226 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 22:31:16,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-11-07 22:31:16,439 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 22:31:16,439 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 22:31:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:16,440 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-07 22:31:16,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:16,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275642017] [2021-11-07 22:31:16,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:16,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:16,448 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:16,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242788976] [2021-11-07 22:31:16,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:16,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:16,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:16,452 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 22:31:16,453 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 22:31:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:16,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:31:16,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:16,758 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 22:31:16,758 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:31:16,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:16,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275642017] [2021-11-07 22:31:16,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:31:16,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242788976] [2021-11-07 22:31:16,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242788976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:16,759 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:16,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 22:31:16,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558238157] [2021-11-07 22:31:16,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:16,760 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 22:31:16,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:16,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 22:31:16,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:31:16,760 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 22:31:16,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:16,798 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-07 22:31:16,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 22:31:16,799 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 22:31:16,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:16,800 INFO L225 Difference]: With dead ends: 486 [2021-11-07 22:31:16,800 INFO L226 Difference]: Without dead ends: 303 [2021-11-07 22:31:16,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 22:31:16,801 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 94 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.67ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:16,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 441 Invalid, 14 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 32.67ms Time] [2021-11-07 22:31:16,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-07 22:31:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-07 22:31:16,805 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 22:31:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-07 22:31:16,806 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-07 22:31:16,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:16,806 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-07 22:31:16,806 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 22:31:16,806 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-07 22:31:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-07 22:31:16,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:16,807 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 22:31:16,824 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-07 22:31:17,024 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 22:31:17,024 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 22:31:17,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:17,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-07 22:31:17,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:17,025 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530821070] [2021-11-07 22:31:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:17,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:17,034 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:17,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2110228571] [2021-11-07 22:31:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:17,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:17,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:17,036 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 22:31:17,037 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 22:31:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:17,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 22:31:17,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:17,320 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 22:31:17,320 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 22:31:17,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 22:31:17,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530821070] [2021-11-07 22:31:17,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 22:31:17,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110228571] [2021-11-07 22:31:17,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110228571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 22:31:17,321 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 22:31:17,321 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 22:31:17,321 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912248700] [2021-11-07 22:31:17,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 22:31:17,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 22:31:17,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 22:31:17,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 22:31:17,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 22:31:17,322 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 22:31:17,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 22:31:17,472 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-07 22:31:17,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 22:31:17,472 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 22:31:17,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 22:31:17,473 INFO L225 Difference]: With dead ends: 474 [2021-11-07 22:31:17,473 INFO L226 Difference]: Without dead ends: 231 [2021-11-07 22:31:17,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.43ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 22:31:17,474 INFO L933 BasicCegarLoop]: 217 mSDtfsCounter, 310 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.26ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.80ms IncrementalHoareTripleChecker+Time [2021-11-07 22:31:17,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [310 Valid, 266 Invalid, 49 Unknown, 0 Unchecked, 1.26ms Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 136.80ms Time] [2021-11-07 22:31:17,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-07 22:31:17,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-07 22:31:17,478 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 22:31:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-07 22:31:17,479 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-07 22:31:17,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 22:31:17,480 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-07 22:31:17,480 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 22:31:17,480 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-07 22:31:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-07 22:31:17,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 22:31:17,481 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 22:31:17,517 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 22:31:17,689 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 22:31:17,689 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 22:31:17,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 22:31:17,690 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-07 22:31:17,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 22:31:17,690 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616743531] [2021-11-07 22:31:17,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:17,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 22:31:17,698 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 22:31:17,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1832698908] [2021-11-07 22:31:17,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 22:31:17,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 22:31:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 22:31:17,699 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 22:31:17,701 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 22:31:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 22:31:17,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-07 22:31:17,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 22:31:17,848 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 22:31:17,853 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 22:31:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:17,881 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 22:31:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:17,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:17,928 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 22:31:18,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,596 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 22:31:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,602 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 22:31:18,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,650 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 22:31:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,658 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 22:31:18,687 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 22:31:18,691 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 22:31:18,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,702 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-07 22:31:18,702 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 22:31:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:18,715 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 22:31:19,925 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-07 22:31:19,926 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 22:31:19,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,013 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-07 22:31:21,014 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 22:31:21,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:21,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:25,634 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-07 22:31:25,645 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 22:31:26,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:26,146 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 22:31:26,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:26,253 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 22:31:28,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:28,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:31:28,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:28,977 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:31:28,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:28,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:31:29,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:29,125 INFO L244 Elim1Store]: Index analysis took 213 ms [2021-11-07 22:31:29,127 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 22:31:29,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:31:30,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:30,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:31:30,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 22:31:30,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:33,203 WARN L227 SmtUtils]: Spent 9.05m 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 22:40:33,206 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-07 22:40:33,209 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 22:40:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,709 INFO L244 Elim1Store]: Index analysis took 279 ms [2021-11-07 22:40:37,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:37,956 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:40:37,956 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 22:40:40,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:41,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:41,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:42,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:42,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:43,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:43,243 INFO L244 Elim1Store]: Index analysis took 3319 ms [2021-11-07 22:40:43,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:44,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:44,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:44,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:44,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:45,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:45,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:46,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:46,161 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:40:46,161 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 22:40:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:47,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:47,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:47,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:47,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:47,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:48,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:48,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:48,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:48,255 INFO L244 Elim1Store]: Index analysis took 1749 ms [2021-11-07 22:40:48,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:48,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:49,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:49,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:50,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:50,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:50,471 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:40:50,471 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 22:40:50,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:51,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:51,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:51,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,212 INFO L244 Elim1Store]: Index analysis took 1456 ms [2021-11-07 22:40:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:52,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 22:40:53,918 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 22:40:53,919 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