./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 173e3943 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-173e394 [2021-11-06 22:50:38,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 22:50:38,202 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 22:50:38,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 22:50:38,256 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 22:50:38,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 22:50:38,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 22:50:38,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 22:50:38,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 22:50:38,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 22:50:38,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 22:50:38,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 22:50:38,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 22:50:38,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 22:50:38,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 22:50:38,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 22:50:38,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 22:50:38,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 22:50:38,280 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 22:50:38,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 22:50:38,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 22:50:38,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 22:50:38,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 22:50:38,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 22:50:38,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 22:50:38,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 22:50:38,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 22:50:38,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 22:50:38,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 22:50:38,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 22:50:38,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 22:50:38,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 22:50:38,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 22:50:38,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 22:50:38,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 22:50:38,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 22:50:38,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 22:50:38,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 22:50:38,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 22:50:38,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 22:50:38,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 22:50:38,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 22:50:38,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 22:50:38,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 22:50:38,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 22:50:38,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 22:50:38,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 22:50:38,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 22:50:38,324 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 22:50:38,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 22:50:38,324 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 22:50:38,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 22:50:38,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 22:50:38,326 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 22:50:38,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 22:50:38,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 22:50:38,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 22:50:38,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 22:50:38,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:50:38,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 22:50:38,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 22:50:38,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 22:50:38,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bc72e0ba847f7c079e01dc4ce9f95afa555e9d2ef7b4bcdf5e1274db86053e [2021-11-06 22:50:38,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 22:50:38,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 22:50:38,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 22:50:38,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 22:50:38,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 22:50:38,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-06 22:50:38,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a152b48a8/85d9228b16be4f01b92736c21b538ba8/FLAG09b10987e [2021-11-06 22:50:39,036 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 22:50:39,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i [2021-11-06 22:50:39,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a152b48a8/85d9228b16be4f01b92736c21b538ba8/FLAG09b10987e [2021-11-06 22:50:39,386 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a152b48a8/85d9228b16be4f01b92736c21b538ba8 [2021-11-06 22:50:39,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 22:50:39,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 22:50:39,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 22:50:39,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 22:50:39,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 22:50:39,405 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:39,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2012315b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39, skipping insertion in model container [2021-11-06 22:50:39,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:39,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 22:50:39,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 22:50:39,762 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-06 22:50:39,839 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-06 22:50:39,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:50:39,854 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 22:50:39,887 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[37019,37032] [2021-11-06 22:50:39,918 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test2-1.i[47352,47365] [2021-11-06 22:50:39,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 22:50:39,954 INFO L208 MainTranslator]: Completed translation [2021-11-06 22:50:39,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39 WrapperNode [2021-11-06 22:50:39,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 22:50:39,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 22:50:39,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 22:50:39,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 22:50:39,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:39,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 22:50:40,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 22:50:40,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 22:50:40,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 22:50:40,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 22:50:40,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 22:50:40,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 22:50:40,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 22:50:40,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (1/1) ... [2021-11-06 22:50:40,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 22:50:40,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:40,160 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) [2021-11-06 22:50:40,162 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 [2021-11-06 22:50:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 22:50:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 22:50:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 22:50:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 22:50:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 22:50:40,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 22:50:40,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 22:50:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 22:50:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 22:50:40,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 22:50:40,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 22:50:41,002 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 22:50:41,002 INFO L299 CfgBuilder]: Removed 76 assume(true) statements. [2021-11-06 22:50:41,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:41 BoogieIcfgContainer [2021-11-06 22:50:41,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 22:50:41,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 22:50:41,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 22:50:41,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 22:50:41,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:50:39" (1/3) ... [2021-11-06 22:50:41,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29297de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:41, skipping insertion in model container [2021-11-06 22:50:41,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:50:39" (2/3) ... [2021-11-06 22:50:41,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29297de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:50:41, skipping insertion in model container [2021-11-06 22:50:41,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:50:41" (3/3) ... [2021-11-06 22:50:41,009 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_FNV_test2-1.i [2021-11-06 22:50:41,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 22:50:41,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 22:50:41,048 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 22:50:41,067 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 [2021-11-06 22:50:41,068 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 22:50:41,090 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) [2021-11-06 22:50:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 22:50:41,094 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:41,094 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 22:50:41,095 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)] === [2021-11-06 22:50:41,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:41,098 INFO L85 PathProgramCache]: Analyzing trace with hash 239231399, now seen corresponding path program 1 times [2021-11-06 22:50:41,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:41,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321204834] [2021-11-06 22:50:41,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:41,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:41,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:50:41,244 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:41,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321204834] [2021-11-06 22:50:41,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321204834] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:41,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:41,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 22:50:41,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390696664] [2021-11-06 22:50:41,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 22:50:41,250 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:41,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 22:50:41,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:50:41,266 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) [2021-11-06 22:50:41,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:41,289 INFO L93 Difference]: Finished difference Result 352 states and 584 transitions. [2021-11-06 22:50:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 22:50:41,291 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 [2021-11-06 22:50:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:41,298 INFO L225 Difference]: With dead ends: 352 [2021-11-06 22:50:41,301 INFO L226 Difference]: Without dead ends: 173 [2021-11-06 22:50:41,305 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 22:50:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-11-06 22:50:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-11-06 22:50:41,349 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) [2021-11-06 22:50:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 225 transitions. [2021-11-06 22:50:41,357 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 225 transitions. Word has length 9 [2021-11-06 22:50:41,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:41,357 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 225 transitions. [2021-11-06 22:50:41,358 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) [2021-11-06 22:50:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 225 transitions. [2021-11-06 22:50:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-06 22:50:41,361 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:41,362 INFO L513 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] [2021-11-06 22:50:41,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 22:50:41,362 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)] === [2021-11-06 22:50:41,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:41,365 INFO L85 PathProgramCache]: Analyzing trace with hash 627334177, now seen corresponding path program 1 times [2021-11-06 22:50:41,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:41,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076999523] [2021-11-06 22:50:41,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:41,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:50:41,444 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:41,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076999523] [2021-11-06 22:50:41,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076999523] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:41,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:41,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:50:41,445 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299622167] [2021-11-06 22:50:41,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:50:41,447 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:41,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:50:41,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:50:41,449 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) [2021-11-06 22:50:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:41,709 INFO L93 Difference]: Finished difference Result 377 states and 490 transitions. [2021-11-06 22:50:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:50:41,710 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 [2021-11-06 22:50:41,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:41,711 INFO L225 Difference]: With dead ends: 377 [2021-11-06 22:50:41,711 INFO L226 Difference]: Without dead ends: 294 [2021-11-06 22:50:41,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:50:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-11-06 22:50:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 175. [2021-11-06 22:50:41,724 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) [2021-11-06 22:50:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 227 transitions. [2021-11-06 22:50:41,727 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 227 transitions. Word has length 44 [2021-11-06 22:50:41,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:41,727 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 227 transitions. [2021-11-06 22:50:41,728 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) [2021-11-06 22:50:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 227 transitions. [2021-11-06 22:50:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:50:41,735 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:41,735 INFO L513 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] [2021-11-06 22:50:41,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 22:50:41,736 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)] === [2021-11-06 22:50:41,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:41,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1103505073, now seen corresponding path program 1 times [2021-11-06 22:50:41,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:41,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174912541] [2021-11-06 22:50:41,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:41,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:41,757 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:41,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386625699] [2021-11-06 22:50:41,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:41,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:41,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:41,763 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) [2021-11-06 22:50:41,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-06 22:50:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:41,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:50:41,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:42,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:50:42,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:42,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174912541] [2021-11-06 22:50:42,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:50:42,149 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386625699] [2021-11-06 22:50:42,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386625699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:42,149 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:42,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:50:42,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004167164] [2021-11-06 22:50:42,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:50:42,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:42,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:50:42,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:50:42,152 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) [2021-11-06 22:50:42,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:42,198 INFO L93 Difference]: Finished difference Result 367 states and 481 transitions. [2021-11-06 22:50:42,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:50:42,199 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 [2021-11-06 22:50:42,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:42,201 INFO L225 Difference]: With dead ends: 367 [2021-11-06 22:50:42,201 INFO L226 Difference]: Without dead ends: 196 [2021-11-06 22:50:42,203 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:50:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-06 22:50:42,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2021-11-06 22:50:42,222 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) [2021-11-06 22:50:42,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 247 transitions. [2021-11-06 22:50:42,223 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 247 transitions. Word has length 96 [2021-11-06 22:50:42,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:42,224 INFO L470 AbstractCegarLoop]: Abstraction has 195 states and 247 transitions. [2021-11-06 22:50:42,224 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) [2021-11-06 22:50:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 247 transitions. [2021-11-06 22:50:42,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:50:42,225 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:42,225 INFO L513 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] [2021-11-06 22:50:42,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-06 22:50:42,439 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 [2021-11-06 22:50:42,440 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)] === [2021-11-06 22:50:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:42,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1343744819, now seen corresponding path program 1 times [2021-11-06 22:50:42,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:42,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522243320] [2021-11-06 22:50:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:42,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:42,458 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:42,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [187572862] [2021-11-06 22:50:42,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:42,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:42,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:42,464 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) [2021-11-06 22:50:42,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-06 22:50:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:42,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:50:42,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:50:42,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:42,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522243320] [2021-11-06 22:50:42,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:50:42,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187572862] [2021-11-06 22:50:42,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187572862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:42,746 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:42,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:50:42,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285440129] [2021-11-06 22:50:42,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:50:42,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:42,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:50:42,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:50:42,747 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) [2021-11-06 22:50:42,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:42,795 INFO L93 Difference]: Finished difference Result 298 states and 384 transitions. [2021-11-06 22:50:42,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:50:42,796 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 [2021-11-06 22:50:42,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:42,797 INFO L225 Difference]: With dead ends: 298 [2021-11-06 22:50:42,797 INFO L226 Difference]: Without dead ends: 216 [2021-11-06 22:50:42,797 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:50:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-06 22:50:42,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2021-11-06 22:50:42,801 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) [2021-11-06 22:50:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 267 transitions. [2021-11-06 22:50:42,801 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 267 transitions. Word has length 96 [2021-11-06 22:50:42,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:42,802 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 267 transitions. [2021-11-06 22:50:42,802 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) [2021-11-06 22:50:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 267 transitions. [2021-11-06 22:50:42,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:50:42,803 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:42,803 INFO L513 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] [2021-11-06 22:50:42,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-06 22:50:43,016 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 [2021-11-06 22:50:43,017 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)] === [2021-11-06 22:50:43,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:43,017 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949871, now seen corresponding path program 1 times [2021-11-06 22:50:43,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:43,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072963625] [2021-11-06 22:50:43,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:43,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:43,029 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:43,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1064192984] [2021-11-06 22:50:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:43,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:43,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:43,030 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) [2021-11-06 22:50:43,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-06 22:50:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:43,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:50:43,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:50:43,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:43,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072963625] [2021-11-06 22:50:43,358 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:50:43,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064192984] [2021-11-06 22:50:43,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1064192984] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:43,358 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:43,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:50:43,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298240997] [2021-11-06 22:50:43,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:50:43,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:43,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:50:43,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:50:43,359 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) [2021-11-06 22:50:43,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:43,407 INFO L93 Difference]: Finished difference Result 418 states and 522 transitions. [2021-11-06 22:50:43,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:50:43,408 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 [2021-11-06 22:50:43,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:43,409 INFO L225 Difference]: With dead ends: 418 [2021-11-06 22:50:43,409 INFO L226 Difference]: Without dead ends: 207 [2021-11-06 22:50:43,410 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:50:43,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2021-11-06 22:50:43,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 201. [2021-11-06 22:50:43,413 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) [2021-11-06 22:50:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 246 transitions. [2021-11-06 22:50:43,413 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 246 transitions. Word has length 96 [2021-11-06 22:50:43,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:43,413 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 246 transitions. [2021-11-06 22:50:43,414 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) [2021-11-06 22:50:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 246 transitions. [2021-11-06 22:50:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:50:43,414 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:43,414 INFO L513 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] [2021-11-06 22:50:43,436 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-06 22:50:43,627 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 [2021-11-06 22:50:43,628 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)] === [2021-11-06 22:50:43,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash 569918303, now seen corresponding path program 1 times [2021-11-06 22:50:43,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:43,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934730962] [2021-11-06 22:50:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:43,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:43,638 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:43,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134984885] [2021-11-06 22:50:43,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:43,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:43,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:43,643 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) [2021-11-06 22:50:43,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-06 22:50:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:43,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 22:50:43,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:43,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-06 22:50:43,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:43,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934730962] [2021-11-06 22:50:43,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:50:43,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134984885] [2021-11-06 22:50:43,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134984885] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:43,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:43,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:50:43,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042253819] [2021-11-06 22:50:43,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:50:43,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:43,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:50:43,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:50:43,970 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) [2021-11-06 22:50:44,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:44,023 INFO L93 Difference]: Finished difference Result 295 states and 364 transitions. [2021-11-06 22:50:44,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:50:44,023 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 [2021-11-06 22:50:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:44,024 INFO L225 Difference]: With dead ends: 295 [2021-11-06 22:50:44,024 INFO L226 Difference]: Without dead ends: 193 [2021-11-06 22:50:44,025 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:50:44,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2021-11-06 22:50:44,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 187. [2021-11-06 22:50:44,033 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) [2021-11-06 22:50:44,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-06 22:50:44,033 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 96 [2021-11-06 22:50:44,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:44,034 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-06 22:50:44,034 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) [2021-11-06 22:50:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-06 22:50:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-06 22:50:44,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:44,035 INFO L513 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] [2021-11-06 22:50:44,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-06 22:50:44,249 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 [2021-11-06 22:50:44,249 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)] === [2021-11-06 22:50:44,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:44,249 INFO L85 PathProgramCache]: Analyzing trace with hash -312930543, now seen corresponding path program 1 times [2021-11-06 22:50:44,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:44,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125825689] [2021-11-06 22:50:44,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:44,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:44,272 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:44,273 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506414037] [2021-11-06 22:50:44,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:44,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:44,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:44,274 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) [2021-11-06 22:50:44,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-06 22:50:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:44,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:50:44,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:44,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:50:44,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:44,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125825689] [2021-11-06 22:50:44,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:50:44,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506414037] [2021-11-06 22:50:44,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506414037] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:44,738 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:44,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 22:50:44,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496630762] [2021-11-06 22:50:44,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 22:50:44,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:44,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 22:50:44,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:50:44,742 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) [2021-11-06 22:50:44,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:44,781 INFO L93 Difference]: Finished difference Result 486 states and 579 transitions. [2021-11-06 22:50:44,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 22:50:44,782 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 [2021-11-06 22:50:44,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:44,783 INFO L225 Difference]: With dead ends: 486 [2021-11-06 22:50:44,783 INFO L226 Difference]: Without dead ends: 303 [2021-11-06 22:50:44,784 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 22:50:44,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2021-11-06 22:50:44,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 291. [2021-11-06 22:50:44,787 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) [2021-11-06 22:50:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-11-06 22:50:44,788 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 96 [2021-11-06 22:50:44,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:44,788 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-11-06 22:50:44,788 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) [2021-11-06 22:50:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-11-06 22:50:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 22:50:44,789 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:44,789 INFO L513 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] [2021-11-06 22:50:44,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-06 22:50:45,009 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 [2021-11-06 22:50:45,010 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)] === [2021-11-06 22:50:45,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:45,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1090926304, now seen corresponding path program 1 times [2021-11-06 22:50:45,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:45,010 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149051035] [2021-11-06 22:50:45,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:45,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:45,022 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:45,022 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980981648] [2021-11-06 22:50:45,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:45,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:45,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:45,024 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) [2021-11-06 22:50:45,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-06 22:50:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:45,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 22:50:45,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:45,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 22:50:45,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 22:50:45,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149051035] [2021-11-06 22:50:45,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 22:50:45,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980981648] [2021-11-06 22:50:45,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980981648] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 22:50:45,470 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 22:50:45,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 22:50:45,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575748218] [2021-11-06 22:50:45,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 22:50:45,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 22:50:45,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 22:50:45,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 22:50:45,471 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) [2021-11-06 22:50:45,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 22:50:45,596 INFO L93 Difference]: Finished difference Result 474 states and 571 transitions. [2021-11-06 22:50:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 22:50:45,596 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 [2021-11-06 22:50:45,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 22:50:45,597 INFO L225 Difference]: With dead ends: 474 [2021-11-06 22:50:45,597 INFO L226 Difference]: Without dead ends: 231 [2021-11-06 22:50:45,598 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 22:50:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2021-11-06 22:50:45,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2021-11-06 22:50:45,602 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) [2021-11-06 22:50:45,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 272 transitions. [2021-11-06 22:50:45,602 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 272 transitions. Word has length 103 [2021-11-06 22:50:45,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 22:50:45,603 INFO L470 AbstractCegarLoop]: Abstraction has 231 states and 272 transitions. [2021-11-06 22:50:45,603 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) [2021-11-06 22:50:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 272 transitions. [2021-11-06 22:50:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 22:50:45,604 INFO L505 BasicCegarLoop]: Found error trace [2021-11-06 22:50:45,604 INFO L513 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] [2021-11-06 22:50:45,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-06 22:50:45,819 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 [2021-11-06 22:50:45,820 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)] === [2021-11-06 22:50:45,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 22:50:45,821 INFO L85 PathProgramCache]: Analyzing trace with hash 541560378, now seen corresponding path program 1 times [2021-11-06 22:50:45,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 22:50:45,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213276729] [2021-11-06 22:50:45,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:45,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 22:50:45,852 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 22:50:45,853 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1698089542] [2021-11-06 22:50:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 22:50:45,855 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 22:50:45,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 22:50:45,860 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) [2021-11-06 22:50:45,861 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-06 22:50:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 22:50:46,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 22:50:46,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 22:50:46,132 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 [2021-11-06 22:50:46,137 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 [2021-11-06 22:50:46,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,163 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 [2021-11-06 22:50:46,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,215 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 [2021-11-06 22:50:46,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,957 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 [2021-11-06 22:50:46,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:46,964 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 [2021-11-06 22:50:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,025 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 [2021-11-06 22:50:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,042 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 [2021-11-06 22:50:47,082 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 [2021-11-06 22:50:47,087 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 [2021-11-06 22:50:47,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,098 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 22:50:47,099 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 [2021-11-06 22:50:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:47,116 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 [2021-11-06 22:50:48,401 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 22:50:48,402 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 [2021-11-06 22:50:48,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,506 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 22:50:49,507 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 [2021-11-06 22:50:49,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:49,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:54,279 INFO L354 Elim1Store]: treesize reduction 11581, result has 3.6 percent of original size [2021-11-06 22:50:54,279 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 [2021-11-06 22:50:54,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:54,680 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 [2021-11-06 22:50:54,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:54,784 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 [2021-11-06 22:50:57,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:50:57,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:50:57,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,462 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:50:57,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:57,589 INFO L244 Elim1Store]: Index analysis took 207 ms [2021-11-06 22:50:57,591 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 [2021-11-06 22:50:58,406 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:50:58,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:58,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:58,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:50:58,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 22:50:58,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:55,510 WARN L207 SmtUtils]: Spent 8.95 m on a formula simplification. DAG size of input: 1994 DAG size of output: 488 [2021-11-06 22:59:55,512 INFO L354 Elim1Store]: treesize reduction 51224, result has 3.7 percent of original size [2021-11-06 22:59:55,514 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 [2021-11-06 22:59:59,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,893 INFO L244 Elim1Store]: Index analysis took 288 ms [2021-11-06 22:59:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 22:59:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:00,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:00,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:00,141 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:00:00,141 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 [2021-11-06 23:00:02,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:02,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:03,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:04,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:04,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:05,139 INFO L244 Elim1Store]: Index analysis took 3093 ms [2021-11-06 23:00:05,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:05,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:05,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:05,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:06,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:06,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:06,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:06,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:07,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:07,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:07,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:00:07,717 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 [2021-11-06 23:00:08,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:08,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:08,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,576 INFO L244 Elim1Store]: Index analysis took 1551 ms [2021-11-06 23:00:09,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:10,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:11,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:11,822 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:00:11,822 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 [2021-11-06 23:00:12,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:12,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:12,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,594 INFO L244 Elim1Store]: Index analysis took 1453 ms [2021-11-06 23:00:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:13,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:14,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:15,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 23:00:15,201 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 23:00:15,202 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