./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5f08f0f0 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_OAT_test3-2.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 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5f08f0f [2021-11-06 01:22:05,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-06 01:22:05,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-06 01:22:05,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-06 01:22:05,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-06 01:22:05,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-06 01:22:05,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-06 01:22:05,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-06 01:22:05,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-06 01:22:05,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-06 01:22:05,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-06 01:22:05,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-06 01:22:05,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-06 01:22:05,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-06 01:22:05,488 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-06 01:22:05,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-06 01:22:05,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-06 01:22:05,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-06 01:22:05,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-06 01:22:05,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-06 01:22:05,502 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-06 01:22:05,503 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-06 01:22:05,505 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-06 01:22:05,506 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-06 01:22:05,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-06 01:22:05,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-06 01:22:05,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-06 01:22:05,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-06 01:22:05,512 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-06 01:22:05,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-06 01:22:05,513 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-06 01:22:05,514 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-06 01:22:05,515 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-06 01:22:05,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-06 01:22:05,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-06 01:22:05,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-06 01:22:05,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-06 01:22:05,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-06 01:22:05,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-06 01:22:05,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-06 01:22:05,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-06 01:22:05,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-06 01:22:05,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-06 01:22:05,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-06 01:22:05,557 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-06 01:22:05,557 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-06 01:22:05,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-06 01:22:05,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-06 01:22:05,559 INFO L138 SettingsManager]: * Use SBE=true [2021-11-06 01:22:05,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-06 01:22:05,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-06 01:22:05,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-06 01:22:05,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-06 01:22:05,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-06 01:22:05,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-06 01:22:05,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-06 01:22:05,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-06 01:22:05,561 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-06 01:22:05,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-06 01:22:05,562 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-06 01:22:05,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-06 01:22:05,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-06 01:22:05,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-06 01:22:05,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-06 01:22:05,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 01:22:05,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-06 01:22:05,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-06 01:22:05,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-06 01:22:05,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-06 01:22:05,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-06 01:22:05,573 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-06 01:22:05,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-06 01:22:05,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-06 01:22:05,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-06 01:22:05,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72a3b80a468e10df778a3b8ff41e4c2b1e0b82c1005f056b209a19315511b1a5 [2021-11-06 01:22:05,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-06 01:22:05,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-06 01:22:05,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-06 01:22:05,875 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-06 01:22:05,876 INFO L275 PluginConnector]: CDTParser initialized [2021-11-06 01:22:05,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-06 01:22:05,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901acd541/b4411ace638f48ad8914f397a24c8022/FLAGf4923276e [2021-11-06 01:22:06,548 INFO L306 CDTParser]: Found 1 translation units. [2021-11-06 01:22:06,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test3-2.i [2021-11-06 01:22:06,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901acd541/b4411ace638f48ad8914f397a24c8022/FLAGf4923276e [2021-11-06 01:22:06,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/901acd541/b4411ace638f48ad8914f397a24c8022 [2021-11-06 01:22:06,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-06 01:22:06,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-06 01:22:06,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-06 01:22:06,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-06 01:22:06,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-06 01:22:06,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:22:06" (1/1) ... [2021-11-06 01:22:06,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2bf17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:06, skipping insertion in model container [2021-11-06 01:22:06,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 01:22:06" (1/1) ... [2021-11-06 01:22:06,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-06 01:22:06,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-06 01:22:07,300 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_OAT_test3-2.i[33021,33034] [2021-11-06 01:22:07,411 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_OAT_test3-2.i[44590,44603] [2021-11-06 01:22:07,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 01:22:07,432 INFO L203 MainTranslator]: Completed pre-run [2021-11-06 01:22:07,454 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_OAT_test3-2.i[33021,33034] [2021-11-06 01:22:07,509 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_OAT_test3-2.i[44590,44603] [2021-11-06 01:22:07,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-06 01:22:07,569 INFO L208 MainTranslator]: Completed translation [2021-11-06 01:22:07,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07 WrapperNode [2021-11-06 01:22:07,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-06 01:22:07,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-06 01:22:07,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-06 01:22:07,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-06 01:22:07,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-06 01:22:07,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-06 01:22:07,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-06 01:22:07,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-06 01:22:07,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-06 01:22:07,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-06 01:22:07,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-06 01:22:07,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-06 01:22:07,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (1/1) ... [2021-11-06 01:22:07,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-06 01:22:07,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:07,828 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 01:22:07,852 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 01:22:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-06 01:22:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-06 01:22:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-06 01:22:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-06 01:22:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-06 01:22:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-06 01:22:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-06 01:22:07,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-06 01:22:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-06 01:22:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-06 01:22:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-06 01:22:08,799 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-06 01:22:08,799 INFO L299 CfgBuilder]: Removed 94 assume(true) statements. [2021-11-06 01:22:08,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:22:08 BoogieIcfgContainer [2021-11-06 01:22:08,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-06 01:22:08,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-06 01:22:08,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-06 01:22:08,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-06 01:22:08,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 01:22:06" (1/3) ... [2021-11-06 01:22:08,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cffea6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:22:08, skipping insertion in model container [2021-11-06 01:22:08,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 01:22:07" (2/3) ... [2021-11-06 01:22:08,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cffea6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 01:22:08, skipping insertion in model container [2021-11-06 01:22:08,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 01:22:08" (3/3) ... [2021-11-06 01:22:08,807 INFO L111 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test3-2.i [2021-11-06 01:22:08,811 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-06 01:22:08,811 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-11-06 01:22:08,868 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-06 01:22:08,883 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 01:22:08,884 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-11-06 01:22:08,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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 01:22:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-06 01:22:08,916 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:08,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:08,917 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:08,924 INFO L85 PathProgramCache]: Analyzing trace with hash 239232295, now seen corresponding path program 1 times [2021-11-06 01:22:08,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:08,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503780571] [2021-11-06 01:22:08,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:08,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:09,073 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 01:22:09,075 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:09,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503780571] [2021-11-06 01:22:09,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503780571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:09,076 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:09,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-06 01:22:09,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259227266] [2021-11-06 01:22:09,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:09,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-06 01:22:09,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:09,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-06 01:22:09,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 01:22:09,108 INFO L87 Difference]: Start difference. First operand has 231 states, 224 states have (on average 1.71875) internal successors, (385), 230 states have internal predecessors, (385), 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 01:22:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:09,156 INFO L93 Difference]: Finished difference Result 460 states and 768 transitions. [2021-11-06 01:22:09,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-06 01:22:09,158 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 01:22:09,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:09,170 INFO L225 Difference]: With dead ends: 460 [2021-11-06 01:22:09,171 INFO L226 Difference]: Without dead ends: 198 [2021-11-06 01:22:09,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-06 01:22:09,179 INFO L933 BasicCegarLoop]: 303 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:09,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 4.32ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-06 01:22:09,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2021-11-06 01:22:09,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2021-11-06 01:22:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 192 states have (on average 1.3489583333333333) internal successors, (259), 197 states have internal predecessors, (259), 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 01:22:09,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 259 transitions. [2021-11-06 01:22:09,228 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 259 transitions. Word has length 9 [2021-11-06 01:22:09,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:09,228 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 259 transitions. [2021-11-06 01:22:09,228 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 01:22:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 259 transitions. [2021-11-06 01:22:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-06 01:22:09,229 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:09,229 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:09,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-06 01:22:09,230 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:09,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1042319138, now seen corresponding path program 1 times [2021-11-06 01:22:09,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:09,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660185144] [2021-11-06 01:22:09,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:09,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:09,286 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 01:22:09,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:09,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660185144] [2021-11-06 01:22:09,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660185144] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:09,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:09,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:22:09,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447504193] [2021-11-06 01:22:09,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:09,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:22:09,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:09,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:22:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:22:09,292 INFO L87 Difference]: Start difference. First operand 198 states and 259 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:22:09,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:09,626 INFO L93 Difference]: Finished difference Result 445 states and 582 transitions. [2021-11-06 01:22:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:22:09,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2021-11-06 01:22:09,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:09,629 INFO L225 Difference]: With dead ends: 445 [2021-11-06 01:22:09,629 INFO L226 Difference]: Without dead ends: 337 [2021-11-06 01:22:09,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.68ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:22:09,630 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 173 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 244.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.23ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 302.93ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:09,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 642 Invalid, 161 Unknown, 0 Unchecked, 5.23ms Time], IncrementalHoareTripleChecker [3 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 302.93ms Time] [2021-11-06 01:22:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-11-06 01:22:09,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 200. [2021-11-06 01:22:09,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 194 states have (on average 1.3453608247422681) internal successors, (261), 199 states have internal predecessors, (261), 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 01:22:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 261 transitions. [2021-11-06 01:22:09,644 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 261 transitions. Word has length 12 [2021-11-06 01:22:09,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:09,644 INFO L470 AbstractCegarLoop]: Abstraction has 200 states and 261 transitions. [2021-11-06 01:22:09,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 01:22:09,645 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 261 transitions. [2021-11-06 01:22:09,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 01:22:09,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:09,647 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:09,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-06 01:22:09,647 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:09,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:09,648 INFO L85 PathProgramCache]: Analyzing trace with hash 168111628, now seen corresponding path program 1 times [2021-11-06 01:22:09,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:09,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975078196] [2021-11-06 01:22:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:09,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:09,667 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:09,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2129219567] [2021-11-06 01:22:09,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:09,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:09,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:09,669 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 01:22:09,671 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 01:22:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:09,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:22:09,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:09,991 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 01:22:09,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:09,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:09,992 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975078196] [2021-11-06 01:22:09,992 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:09,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129219567] [2021-11-06 01:22:09,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129219567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:09,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:09,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:22:09,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614776634] [2021-11-06 01:22:09,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:09,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:22:09,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:09,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:22:09,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:22:09,995 INFO L87 Difference]: Start difference. First operand 200 states and 261 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:22:10,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:10,057 INFO L93 Difference]: Finished difference Result 417 states and 549 transitions. [2021-11-06 01:22:10,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:22:10,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 01:22:10,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:10,059 INFO L225 Difference]: With dead ends: 417 [2021-11-06 01:22:10,059 INFO L226 Difference]: Without dead ends: 221 [2021-11-06 01:22:10,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.97ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:22:10,061 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 9 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.21ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.01ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:10,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 463 Invalid, 72 Unknown, 0 Unchecked, 1.21ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 54.01ms Time] [2021-11-06 01:22:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2021-11-06 01:22:10,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 220. [2021-11-06 01:22:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 214 states have (on average 1.3130841121495327) internal successors, (281), 219 states have internal predecessors, (281), 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 01:22:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 281 transitions. [2021-11-06 01:22:10,071 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 281 transitions. Word has length 64 [2021-11-06 01:22:10,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:10,071 INFO L470 AbstractCegarLoop]: Abstraction has 220 states and 281 transitions. [2021-11-06 01:22:10,072 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:22:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 281 transitions. [2021-11-06 01:22:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 01:22:10,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:10,074 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:10,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-06 01:22:10,289 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 01:22:10,289 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:10,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:10,290 INFO L85 PathProgramCache]: Analyzing trace with hash 521200010, now seen corresponding path program 1 times [2021-11-06 01:22:10,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:10,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393164586] [2021-11-06 01:22:10,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:10,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:10,306 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:10,314 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32180556] [2021-11-06 01:22:10,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:10,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:10,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:10,315 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 01:22:10,320 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 01:22:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:10,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:22:10,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:10,644 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 01:22:10,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:10,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:10,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393164586] [2021-11-06 01:22:10,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:10,647 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32180556] [2021-11-06 01:22:10,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32180556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:10,651 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:10,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:22:10,651 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625986759] [2021-11-06 01:22:10,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:10,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:22:10,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:10,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:22:10,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:22:10,653 INFO L87 Difference]: Start difference. First operand 220 states and 281 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 01:22:10,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:10,721 INFO L93 Difference]: Finished difference Result 428 states and 550 transitions. [2021-11-06 01:22:10,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:22:10,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 64 [2021-11-06 01:22:10,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:10,723 INFO L225 Difference]: With dead ends: 428 [2021-11-06 01:22:10,723 INFO L226 Difference]: Without dead ends: 212 [2021-11-06 01:22:10,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.42ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:22:10,724 INFO L933 BasicCegarLoop]: 239 mSDtfsCounter, 247 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.62ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.38ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:10,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 474 Invalid, 66 Unknown, 0 Unchecked, 1.62ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 55.38ms Time] [2021-11-06 01:22:10,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-06 01:22:10,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2021-11-06 01:22:10,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 200 states have (on average 1.3) internal successors, (260), 205 states have internal predecessors, (260), 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 01:22:10,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2021-11-06 01:22:10,731 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 64 [2021-11-06 01:22:10,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:10,731 INFO L470 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2021-11-06 01:22:10,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 01:22:10,732 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2021-11-06 01:22:10,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-06 01:22:10,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:10,734 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:10,763 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 01:22:10,959 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 01:22:10,960 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:10,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:10,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1012352744, now seen corresponding path program 1 times [2021-11-06 01:22:10,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:10,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700809479] [2021-11-06 01:22:10,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:10,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:10,980 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:10,980 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247824018] [2021-11-06 01:22:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:10,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:10,982 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 01:22:10,983 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 01:22:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:11,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 01:22:11,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:11,391 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 01:22:11,392 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:11,395 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:11,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700809479] [2021-11-06 01:22:11,395 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:11,395 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247824018] [2021-11-06 01:22:11,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247824018] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:11,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:11,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:22:11,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792714000] [2021-11-06 01:22:11,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:11,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:22:11,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:11,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:22:11,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:22:11,398 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:22:11,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:11,459 INFO L93 Difference]: Finished difference Result 542 states and 683 transitions. [2021-11-06 01:22:11,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:22:11,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 64 [2021-11-06 01:22:11,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:11,461 INFO L225 Difference]: With dead ends: 542 [2021-11-06 01:22:11,461 INFO L226 Difference]: Without dead ends: 340 [2021-11-06 01:22:11,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.33ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:22:11,462 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 132 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.62ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:11,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 544 Invalid, 32 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 51.62ms Time] [2021-11-06 01:22:11,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-11-06 01:22:11,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 312. [2021-11-06 01:22:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 306 states have (on average 1.2843137254901962) internal successors, (393), 311 states have internal predecessors, (393), 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 01:22:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 393 transitions. [2021-11-06 01:22:11,472 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 393 transitions. Word has length 64 [2021-11-06 01:22:11,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:11,472 INFO L470 AbstractCegarLoop]: Abstraction has 312 states and 393 transitions. [2021-11-06 01:22:11,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 01:22:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 393 transitions. [2021-11-06 01:22:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-06 01:22:11,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:11,474 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:11,501 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 01:22:11,698 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 01:22:11,698 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:11,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:11,699 INFO L85 PathProgramCache]: Analyzing trace with hash -147792665, now seen corresponding path program 1 times [2021-11-06 01:22:11,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:11,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456649072] [2021-11-06 01:22:11,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:11,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:11,720 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:11,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1782415854] [2021-11-06 01:22:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:11,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:11,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:11,724 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 01:22:11,725 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 01:22:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:11,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:22:11,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:12,009 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 01:22:12,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-06 01:22:12,052 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 01:22:12,053 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:12,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:12,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456649072] [2021-11-06 01:22:12,054 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:12,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782415854] [2021-11-06 01:22:12,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782415854] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:12,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:12,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:22:12,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292227062] [2021-11-06 01:22:12,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:12,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:22:12,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:12,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:22:12,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:22:12,055 INFO L87 Difference]: Start difference. First operand 312 states and 393 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 01:22:12,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:12,964 INFO L93 Difference]: Finished difference Result 421 states and 537 transitions. [2021-11-06 01:22:12,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:22:12,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 71 [2021-11-06 01:22:12,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:12,967 INFO L225 Difference]: With dead ends: 421 [2021-11-06 01:22:12,967 INFO L226 Difference]: Without dead ends: 396 [2021-11-06 01:22:12,967 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:22:12,968 INFO L933 BasicCegarLoop]: 231 mSDtfsCounter, 135 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 845.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.73ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 881.78ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:12,968 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 644 Invalid, 138 Unknown, 0 Unchecked, 1.73ms Time], IncrementalHoareTripleChecker [3 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 881.78ms Time] [2021-11-06 01:22:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-11-06 01:22:12,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 314. [2021-11-06 01:22:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 308 states have (on average 1.2824675324675325) internal successors, (395), 313 states have internal predecessors, (395), 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 01:22:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 395 transitions. [2021-11-06 01:22:12,977 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 395 transitions. Word has length 71 [2021-11-06 01:22:12,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:12,978 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 395 transitions. [2021-11-06 01:22:12,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 01:22:12,978 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 395 transitions. [2021-11-06 01:22:12,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:22:12,979 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:12,979 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:13,003 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 01:22:13,195 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 01:22:13,195 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:13,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:13,196 INFO L85 PathProgramCache]: Analyzing trace with hash -2000986198, now seen corresponding path program 1 times [2021-11-06 01:22:13,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:13,196 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925241686] [2021-11-06 01:22:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:13,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:13,209 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:13,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [444851033] [2021-11-06 01:22:13,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:13,211 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:13,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:13,213 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 01:22:13,220 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 01:22:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:13,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:22:13,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:13,553 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 01:22:13,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:13,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:13,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925241686] [2021-11-06 01:22:13,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:13,555 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [444851033] [2021-11-06 01:22:13,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [444851033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:13,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:13,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-06 01:22:13,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581209308] [2021-11-06 01:22:13,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:13,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-06 01:22:13,557 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:13,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-06 01:22:13,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:22:13,557 INFO L87 Difference]: Start difference. First operand 314 states and 395 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:22:13,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:13,615 INFO L93 Difference]: Finished difference Result 525 states and 681 transitions. [2021-11-06 01:22:13,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-06 01:22:13,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:22:13,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:13,617 INFO L225 Difference]: With dead ends: 525 [2021-11-06 01:22:13,617 INFO L226 Difference]: Without dead ends: 356 [2021-11-06 01:22:13,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.73ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-06 01:22:13,618 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 9 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.93ms SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.40ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:13,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 449 Invalid, 72 Unknown, 0 Unchecked, 0.93ms Time], IncrementalHoareTripleChecker [28 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 48.40ms Time] [2021-11-06 01:22:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-06 01:22:13,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2021-11-06 01:22:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 348 states have (on average 1.25) internal successors, (435), 353 states have internal predecessors, (435), 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 01:22:13,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 435 transitions. [2021-11-06 01:22:13,628 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 435 transitions. Word has length 103 [2021-11-06 01:22:13,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:13,629 INFO L470 AbstractCegarLoop]: Abstraction has 354 states and 435 transitions. [2021-11-06 01:22:13,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 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 01:22:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 435 transitions. [2021-11-06 01:22:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:22:13,630 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:13,630 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:13,655 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 01:22:13,843 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 01:22:13,843 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:13,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:13,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1973776046, now seen corresponding path program 1 times [2021-11-06 01:22:13,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:13,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122900782] [2021-11-06 01:22:13,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:13,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:13,857 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:13,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598920958] [2021-11-06 01:22:13,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:13,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:13,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:13,859 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 01:22:13,889 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 01:22:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:14,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-06 01:22:14,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:14,188 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 01:22:14,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:14,189 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:14,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122900782] [2021-11-06 01:22:14,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:14,189 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598920958] [2021-11-06 01:22:14,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598920958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:14,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:14,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:22:14,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717514112] [2021-11-06 01:22:14,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:14,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:22:14,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:14,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:22:14,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:22:14,191 INFO L87 Difference]: Start difference. First operand 354 states and 435 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:22:14,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:14,245 INFO L93 Difference]: Finished difference Result 540 states and 676 transitions. [2021-11-06 01:22:14,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-06 01:22:14,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:22:14,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:14,247 INFO L225 Difference]: With dead ends: 540 [2021-11-06 01:22:14,247 INFO L226 Difference]: Without dead ends: 331 [2021-11-06 01:22:14,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.32ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:22:14,248 INFO L933 BasicCegarLoop]: 230 mSDtfsCounter, 130 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.39ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.73ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:14,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 564 Invalid, 66 Unknown, 0 Unchecked, 1.39ms Time], IncrementalHoareTripleChecker [24 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 40.73ms Time] [2021-11-06 01:22:14,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-11-06 01:22:14,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 326. [2021-11-06 01:22:14,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 320 states have (on average 1.228125) internal successors, (393), 325 states have internal predecessors, (393), 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 01:22:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 393 transitions. [2021-11-06 01:22:14,257 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 393 transitions. Word has length 103 [2021-11-06 01:22:14,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:14,257 INFO L470 AbstractCegarLoop]: Abstraction has 326 states and 393 transitions. [2021-11-06 01:22:14,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 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 01:22:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 393 transitions. [2021-11-06 01:22:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-06 01:22:14,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:14,259 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:14,280 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 01:22:14,475 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 01:22:14,476 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:14,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:14,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1090927200, now seen corresponding path program 1 times [2021-11-06 01:22:14,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:14,477 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925140631] [2021-11-06 01:22:14,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:14,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:14,497 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:14,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2109530447] [2021-11-06 01:22:14,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:14,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:14,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:14,499 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 01:22:14,500 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 01:22:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:14,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-06 01:22:14,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:14,889 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 01:22:14,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-06 01:22:14,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-06 01:22:14,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925140631] [2021-11-06 01:22:14,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-06 01:22:14,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109530447] [2021-11-06 01:22:14,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109530447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-06 01:22:14,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-06 01:22:14,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-06 01:22:14,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844390651] [2021-11-06 01:22:14,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-06 01:22:14,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-06 01:22:14,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-06 01:22:14,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-06 01:22:14,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-06 01:22:14,891 INFO L87 Difference]: Start difference. First operand 326 states and 393 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 01:22:15,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-06 01:22:15,102 INFO L93 Difference]: Finished difference Result 740 states and 900 transitions. [2021-11-06 01:22:15,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-06 01:22:15,102 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 01:22:15,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-06 01:22:15,104 INFO L225 Difference]: With dead ends: 740 [2021-11-06 01:22:15,104 INFO L226 Difference]: Without dead ends: 462 [2021-11-06 01:22:15,105 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.80ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-06 01:22:15,105 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 497 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 170.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.94ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.69ms IncrementalHoareTripleChecker+Time [2021-11-06 01:22:15,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [497 Valid, 498 Invalid, 82 Unknown, 0 Unchecked, 1.94ms Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 190.69ms Time] [2021-11-06 01:22:15,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2021-11-06 01:22:15,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 410. [2021-11-06 01:22:15,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 404 states have (on average 1.2301980198019802) internal successors, (497), 409 states have internal predecessors, (497), 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 01:22:15,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 497 transitions. [2021-11-06 01:22:15,116 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 497 transitions. Word has length 103 [2021-11-06 01:22:15,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-06 01:22:15,117 INFO L470 AbstractCegarLoop]: Abstraction has 410 states and 497 transitions. [2021-11-06 01:22:15,117 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 01:22:15,117 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 497 transitions. [2021-11-06 01:22:15,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-06 01:22:15,118 INFO L506 BasicCegarLoop]: Found error trace [2021-11-06 01:22:15,118 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-06 01:22:15,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-06 01:22:15,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:15,332 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2021-11-06 01:22:15,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-06 01:22:15,332 INFO L85 PathProgramCache]: Analyzing trace with hash 541561274, now seen corresponding path program 1 times [2021-11-06 01:22:15,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-06 01:22:15,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497424135] [2021-11-06 01:22:15,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:15,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-06 01:22:15,344 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-06 01:22:15,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161756588] [2021-11-06 01:22:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-06 01:22:15,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-06 01:22:15,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-06 01:22:15,348 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-06 01:22:15,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-06 01:22:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-06 01:22:15,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-06 01:22:15,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-06 01:22:15,530 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 01:22:15,535 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 01:22:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:15,581 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 01:22:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:15,639 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 01:22:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,450 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 01:22:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,459 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 01:22:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 54 [2021-11-06 01:22:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,611 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 52 treesize of output 45 [2021-11-06 01:22:16,623 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 01:22:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:16,640 INFO L354 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2021-11-06 01:22:16,641 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 01:22:16,651 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 01:22:18,078 INFO L354 Elim1Store]: treesize reduction 364, result has 11.9 percent of original size [2021-11-06 01:22:18,078 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 2831 treesize of output 2280 [2021-11-06 01:22:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:18,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:18,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:21,736 INFO L354 Elim1Store]: treesize reduction 7740, result has 3.5 percent of original size [2021-11-06 01:22:21,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 3300 treesize of output 1839 [2021-11-06 01:22:21,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:22,536 INFO L354 Elim1Store]: treesize reduction 448, result has 17.8 percent of original size [2021-11-06 01:22:22,537 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 2027 treesize of output 1769 [2021-11-06 01:22:23,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:23,311 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 01:22:23,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:23,476 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 01:22:23,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:23,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:22:23,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 87 [2021-11-06 01:22:24,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:22:24,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:22:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:26:58,265 WARN L230 SmtUtils]: Spent 4.57m on a formula simplification. DAG size of input: 1412 DAG size of output: 359 [2021-11-06 01:26:58,268 INFO L354 Elim1Store]: treesize reduction 33944, result has 3.6 percent of original size [2021-11-06 01:26:58,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 24 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 36 new quantified variables, introduced 121 case distinctions, treesize of input 2416232 treesize of output 988721 [2021-11-06 01:27:01,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-06 01:27:02,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:02,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,063 INFO L244 Elim1Store]: Index analysis took 217 ms [2021-11-06 01:27:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:03,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:27:03,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 680 treesize of output 308 [2021-11-06 01:27:04,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:06,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:07,988 INFO L244 Elim1Store]: Index analysis took 3586 ms [2021-11-06 01:27:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:08,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:09,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:09,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:10,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:10,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:10,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:10,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:11,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:11,174 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:27:11,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 1451 treesize of output 633 [2021-11-06 01:27:11,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:12,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:12,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:12,915 INFO L244 Elim1Store]: Index analysis took 1420 ms [2021-11-06 01:27:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:13,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:13,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:13,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,335 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:27:14,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1287 treesize of output 571 [2021-11-06 01:27:14,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:14,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:27:14,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 2003407 treesize of output 1688537 [2021-11-06 01:27:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:32,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:32,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:32,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:32,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:32,702 INFO L354 Elim1Store]: treesize reduction 448, result has 0.2 percent of original size [2021-11-06 01:27:32,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 15848 treesize of output 12367 [2021-11-06 01:27:51,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:51,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:51,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:51,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:51,500 INFO L354 Elim1Store]: treesize reduction 180, result has 0.6 percent of original size [2021-11-06 01:27:51,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 14560 treesize of output 11407 [2021-11-06 01:27:57,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:57,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:57,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:57,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:57,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:57,993 INFO L244 Elim1Store]: Index analysis took 483 ms [2021-11-06 01:27:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,470 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:27:58,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 1048 treesize of output 472 [2021-11-06 01:27:58,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:58,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,344 INFO L244 Elim1Store]: Index analysis took 708 ms [2021-11-06 01:27:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:27:59,787 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:27:59,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 956 treesize of output 426 [2021-11-06 01:27:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,429 INFO L244 Elim1Store]: Index analysis took 502 ms [2021-11-06 01:28:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:00,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,013 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:01,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 957 treesize of output 400 [2021-11-06 01:28:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,470 INFO L244 Elim1Store]: Index analysis took 355 ms [2021-11-06 01:28:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:01,717 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:01,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 7902 treesize of output 5782 [2021-11-06 01:28:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:03,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:03,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:03,925 INFO L244 Elim1Store]: Index analysis took 280 ms [2021-11-06 01:28:03,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,186 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:04,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 8 case distinctions, treesize of input 981 treesize of output 418 [2021-11-06 01:28:04,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,623 INFO L244 Elim1Store]: Index analysis took 335 ms [2021-11-06 01:28:04,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:04,901 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:04,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1263 treesize of output 565 [2021-11-06 01:28:05,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,555 INFO L244 Elim1Store]: Index analysis took 221 ms [2021-11-06 01:28:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:05,893 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:05,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 1005 treesize of output 430 [2021-11-06 01:28:06,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,356 INFO L244 Elim1Store]: Index analysis took 355 ms [2021-11-06 01:28:06,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,484 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:06,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 13 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 636 treesize of output 292 [2021-11-06 01:28:06,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:06,632 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:28:06,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 11505 treesize of output 7761 [2021-11-06 01:28:06,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:06,684 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:06,811 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:28:06,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 10562 treesize of output 7078 [2021-11-06 01:28:06,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:06,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,005 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:28:07,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 8924 treesize of output 4992 [2021-11-06 01:28:07,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:07,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,147 INFO L354 Elim1Store]: treesize reduction 202, result has 0.5 percent of original size [2021-11-06 01:28:07,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 7054 treesize of output 4666 [2021-11-06 01:28:07,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,173 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:07,217 INFO L354 Elim1Store]: treesize reduction 186, result has 0.5 percent of original size [2021-11-06 01:28:07,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 6024 treesize of output 3987 [2021-11-06 01:28:07,239 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,284 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:28:07,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 5215 treesize of output 3451 [2021-11-06 01:28:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,301 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:07,399 INFO L354 Elim1Store]: treesize reduction 194, result has 0.5 percent of original size [2021-11-06 01:28:07,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 4242 treesize of output 2597 [2021-11-06 01:28:07,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:07,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,464 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:28:07,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 3481 treesize of output 1990 [2021-11-06 01:28:07,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:07,476 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:07,521 INFO L354 Elim1Store]: treesize reduction 198, result has 0.5 percent of original size [2021-11-06 01:28:07,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 12 new quantified variables, introduced 15 case distinctions, treesize of input 2672 treesize of output 1386 [2021-11-06 01:28:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,310 INFO L354 Elim1Store]: treesize reduction 399, result has 0.3 percent of original size [2021-11-06 01:28:08,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 7 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 5 case distinctions, treesize of input 1109 treesize of output 910 [2021-11-06 01:28:08,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,582 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:08,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:08,927 INFO L354 Elim1Store]: treesize reduction 2438, result has 4.6 percent of original size [2021-11-06 01:28:08,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 845 treesize of output 856 [2021-11-06 01:28:09,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,125 INFO L354 Elim1Store]: treesize reduction 436, result has 12.3 percent of original size [2021-11-06 01:28:09,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 4 case distinctions, treesize of input 216 treesize of output 203 [2021-11-06 01:28:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,160 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-06 01:28:09,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 128 treesize of output 79 [2021-11-06 01:28:09,618 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:09,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,659 INFO L354 Elim1Store]: treesize reduction 214, result has 12.3 percent of original size [2021-11-06 01:28:09,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 345 treesize of output 254 [2021-11-06 01:28:09,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:09,796 INFO L354 Elim1Store]: treesize reduction 1132, result has 8.8 percent of original size [2021-11-06 01:28:09,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 38 case distinctions, treesize of input 296 treesize of output 292 [2021-11-06 01:28:09,800 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-06 01:28:09,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-06 01:28:09,822 INFO L354 Elim1Store]: treesize reduction 150, result has 19.4 percent of original size [2021-11-06 01:28:09,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 245 treesize of output 208 [2021-11-06 01:28:10,442 INFO L354 Elim1Store]: treesize reduction 988, result has 24.6 percent of original size [2021-11-06 01:28:10,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 46 case distinctions, treesize of input 246 treesize of output 450 [2021-11-06 01:28:10,455 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-06 01:28:10,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 426 treesize of output 361 [2021-11-06 01:28:10,472 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-06 01:28:10,473 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 331 treesize of output 258 [2021-11-06 01:28:10,566 INFO L354 Elim1Store]: treesize reduction 278, result has 10.3 percent of original size [2021-11-06 01:28:10,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 39 case distinctions, treesize of input 249 treesize of output 269 [2021-11-06 01:28:26,538 INFO L354 Elim1Store]: treesize reduction 398, result has 23.5 percent of original size [2021-11-06 01:28:26,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 15 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 45 case distinctions, treesize of input 323 treesize of output 361 [2021-11-06 01:28:51,968 INFO L354 Elim1Store]: treesize reduction 274, result has 15.4 percent of original size [2021-11-06 01:28:51,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 338 treesize of output 231 [2021-11-06 01:28:55,568 INFO L354 Elim1Store]: treesize reduction 89, result has 4.3 percent of original size [2021-11-06 01:28:55,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 328 treesize of output 180 [2021-11-06 01:28:55,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-06 01:28:55,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-06 01:28:57,862 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (or (< (let ((.cse0 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (select (select |c_#memory_$Pointer$.base| (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse0)) (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse0))) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select |c_#memory_int| v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1)))))) (store .cse2 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse2 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse1 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))) is different from false [2021-11-06 01:29:00,011 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse1 (+ 8 c_ULTIMATE.start_main_~users~0.offset))) (let ((.cse3 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~users~0.base) .cse1) 12)) (.cse2 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~users~0.base) .cse1))) (or (< (select (let ((.cse0 (store |c_#memory_$Pointer$.base| .cse2 (store (select |c_#memory_$Pointer$.base| .cse2) .cse3 v_DerPreprocessor_11)))) (select .cse0 (select (select .cse0 c_ULTIMATE.start_main_~users~0.base) .cse1))) (select (select (store |c_#memory_$Pointer$.offset| .cse2 (store (select |c_#memory_$Pointer$.offset| .cse2) .cse3 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~users~0.base) .cse1)) v_ULTIMATE.start_main_~_ha_head~0.base_5) (< (select (select (let ((.cse4 (let ((.cse5 (let ((.cse6 (store |c_#memory_int| .cse2 (let ((.cse9 (select |c_#memory_int| .cse2))) (store .cse9 .cse3 (+ (select .cse9 .cse3) 1)))))) (store .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse7 (select .cse6 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse8 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse7 .cse8 (+ (select .cse7 .cse8) 1))))))) (store .cse5 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse5 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse4 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9))))) is different from false [2021-11-06 01:29:02,099 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int) (v_DerPreprocessor_10 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false [2021-11-06 01:29:04,398 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~_ha_head~0.offset_5 Int) (v_DerPreprocessor_11 Int) (v_DerPreprocessor_9 Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_10 Int) (v_ULTIMATE.start_main_~_ha_head~0.base_5 Int)) (let ((.cse9 (+ 8 c_ULTIMATE.start_main_~user~0.offset))) (let ((.cse5 (select (select |c_#memory_$Pointer$.base| c_ULTIMATE.start_main_~user~0.base) .cse9)) (.cse7 (+ (select (select |c_#memory_$Pointer$.offset| c_ULTIMATE.start_main_~user~0.base) .cse9) 12))) (or (< (select (select (let ((.cse0 (let ((.cse1 (let ((.cse2 (store |c_#memory_int| .cse5 (let ((.cse6 (select |c_#memory_int| .cse5))) (store .cse6 .cse7 (+ (select .cse6 .cse7) 1)))))) (store .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5 (let ((.cse3 (select .cse2 v_ULTIMATE.start_main_~_ha_head~0.base_5)) (.cse4 (+ v_ULTIMATE.start_main_~_ha_head~0.offset_5 4))) (store .cse3 .cse4 (+ (select .cse3 .cse4) 1))))))) (store .cse1 c_ULTIMATE.start_main_~user~0.base (store (store (select .cse1 c_ULTIMATE.start_main_~user~0.base) (+ c_ULTIMATE.start_main_~user~0.offset 24) v_DerPreprocessor_8) (+ 20 c_ULTIMATE.start_main_~user~0.offset) v_DerPreprocessor_9))))) (store .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5 (store (select .cse0 v_ULTIMATE.start_main_~_ha_head~0.base_5) v_ULTIMATE.start_main_~_ha_head~0.offset_5 v_DerPreprocessor_7))) |c_ULTIMATE.start_main_~#i~0.base|) |c_ULTIMATE.start_main_~#i~0.offset|) 9) (< (select (let ((.cse8 (store |c_#memory_$Pointer$.base| .cse5 (store (select |c_#memory_$Pointer$.base| .cse5) .cse7 v_DerPreprocessor_11)))) (select .cse8 (select (select .cse8 c_ULTIMATE.start_main_~user~0.base) .cse9))) (select (select (store |c_#memory_$Pointer$.offset| .cse5 (store (select |c_#memory_$Pointer$.offset| .cse5) .cse7 v_DerPreprocessor_10)) c_ULTIMATE.start_main_~user~0.base) .cse9)) v_ULTIMATE.start_main_~_ha_head~0.base_5))))) is different from false Killed by 15