./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/sum_array-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/loops/sum_array-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 84226515a723f10f2a919f265c45890771224ac18b5dd5f986441c53175929f5 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:16:13,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:16:13,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:16:13,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:16:13,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:16:13,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:16:13,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:16:13,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:16:13,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:16:13,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:16:13,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:16:13,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:16:13,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:16:13,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:16:13,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:16:13,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:16:13,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:16:13,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:16:13,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:16:13,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:16:13,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:16:13,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:16:13,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:16:13,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:16:13,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:16:13,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:16:13,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:16:13,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:16:13,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:16:13,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:16:13,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:16:13,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:16:13,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:16:13,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:16:13,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:16:13,863 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:16:13,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:16:13,864 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:16:13,864 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:16:13,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:16:13,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:16:13,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:16:13,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:16:13,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:16:13,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:16:13,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:16:13,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:16:13,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:16:13,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:16:13,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:16:13,884 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:16:13,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:16:13,884 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:16:13,885 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:16:13,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:16:13,886 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:16:13,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:16:13,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:16:13,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:16:13,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:16:13,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:16:13,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:16:13,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:16:13,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:16:13,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:16:13,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:16:13,888 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:16:13,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:16:13,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:16:13,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:16:13,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84226515a723f10f2a919f265c45890771224ac18b5dd5f986441c53175929f5 [2021-12-21 12:16:14,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:16:14,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:16:14,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:16:14,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:16:14,092 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:16:14,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum_array-2.i [2021-12-21 12:16:14,145 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604adbaba/b4fdd0d328bc4a84ab8b3a9a92d0d887/FLAG9a78b0f6e [2021-12-21 12:16:14,520 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:16:14,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2.i [2021-12-21 12:16:14,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604adbaba/b4fdd0d328bc4a84ab8b3a9a92d0d887/FLAG9a78b0f6e [2021-12-21 12:16:14,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/604adbaba/b4fdd0d328bc4a84ab8b3a9a92d0d887 [2021-12-21 12:16:14,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:16:14,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:16:14,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:16:14,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:16:14,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:16:14,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:16:14" (1/1) ... [2021-12-21 12:16:14,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3e10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:14, skipping insertion in model container [2021-12-21 12:16:14,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:16:14" (1/1) ... [2021-12-21 12:16:14,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:16:14,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:16:15,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2.i[938,951] [2021-12-21 12:16:15,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:16:15,152 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:16:15,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum_array-2.i[938,951] [2021-12-21 12:16:15,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:16:15,188 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:16:15,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15 WrapperNode [2021-12-21 12:16:15,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:16:15,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:16:15,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:16:15,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:16:15,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,232 INFO L137 Inliner]: procedures = 18, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2021-12-21 12:16:15,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:16:15,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:16:15,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:16:15,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:16:15,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,244 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:16:15,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:16:15,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:16:15,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:16:15,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (1/1) ... [2021-12-21 12:16:15,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:16:15,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:16:15,309 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) [2021-12-21 12:16:15,351 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 [2021-12-21 12:16:15,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:16:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:16:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:16:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:16:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:16:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:16:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:16:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:16:15,424 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:16:15,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:16:15,562 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:16:15,576 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:16:15,577 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-21 12:16:15,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:16:15 BoogieIcfgContainer [2021-12-21 12:16:15,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:16:15,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:16:15,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:16:15,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:16:15,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:16:14" (1/3) ... [2021-12-21 12:16:15,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1381956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:16:15, skipping insertion in model container [2021-12-21 12:16:15,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:16:15" (2/3) ... [2021-12-21 12:16:15,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1381956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:16:15, skipping insertion in model container [2021-12-21 12:16:15,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:16:15" (3/3) ... [2021-12-21 12:16:15,595 INFO L111 eAbstractionObserver]: Analyzing ICFG sum_array-2.i [2021-12-21 12:16:15,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:16:15,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:16:15,642 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:16:15,660 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 [2021-12-21 12:16:15,661 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:16:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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) [2021-12-21 12:16:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-21 12:16:15,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:16:15,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:16:15,676 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:16:15,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:16:15,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1741268329, now seen corresponding path program 1 times [2021-12-21 12:16:15,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:16:15,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953615545] [2021-12-21 12:16:15,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:15,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:16:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:15,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:16:15,854 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:16:15,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953615545] [2021-12-21 12:16:15,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953615545] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:16:15,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:16:15,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:16:15,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353619767] [2021-12-21 12:16:15,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:16:15,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:16:15,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:16:15,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:16:15,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:16:15,885 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-12-21 12:16:15,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:16:15,897 INFO L93 Difference]: Finished difference Result 41 states and 58 transitions. [2021-12-21 12:16:15,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:16:15,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-12-21 12:16:15,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:16:15,903 INFO L225 Difference]: With dead ends: 41 [2021-12-21 12:16:15,903 INFO L226 Difference]: Without dead ends: 19 [2021-12-21 12:16:15,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:16:15,909 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 12:16:15,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:16:15,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-12-21 12:16:15,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-12-21 12:16:15,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 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) [2021-12-21 12:16:15,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-12-21 12:16:15,933 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 11 [2021-12-21 12:16:15,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:16:15,934 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-12-21 12:16:15,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-12-21 12:16:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-12-21 12:16:15,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-21 12:16:15,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:16:15,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:16:15,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:16:15,936 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:16:15,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:16:15,942 INFO L85 PathProgramCache]: Analyzing trace with hash -217285445, now seen corresponding path program 1 times [2021-12-21 12:16:15,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:16:15,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782405155] [2021-12-21 12:16:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:15,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:16:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:16,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:16:16,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:16:16,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782405155] [2021-12-21 12:16:16,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782405155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:16:16,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:16:16,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 12:16:16,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737270579] [2021-12-21 12:16:16,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:16:16,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 12:16:16,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:16:16,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 12:16:16,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 12:16:16,063 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-12-21 12:16:16,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:16:16,162 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2021-12-21 12:16:16,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 12:16:16,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2021-12-21 12:16:16,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:16:16,163 INFO L225 Difference]: With dead ends: 52 [2021-12-21 12:16:16,163 INFO L226 Difference]: Without dead ends: 33 [2021-12-21 12:16:16,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 12:16:16,164 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 15 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:16:16,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 28 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 12:16:16,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-12-21 12:16:16,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 22. [2021-12-21 12:16:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2021-12-21 12:16:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2021-12-21 12:16:16,174 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 11 [2021-12-21 12:16:16,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:16:16,175 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2021-12-21 12:16:16,175 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2021-12-21 12:16:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2021-12-21 12:16:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-21 12:16:16,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:16:16,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:16:16,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:16:16,180 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:16:16,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:16:16,181 INFO L85 PathProgramCache]: Analyzing trace with hash -2020776544, now seen corresponding path program 1 times [2021-12-21 12:16:16,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:16:16,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909781915] [2021-12-21 12:16:16,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:16,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:16:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:16,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:16,862 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:16:16,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909781915] [2021-12-21 12:16:16,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909781915] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:16:16,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821433567] [2021-12-21 12:16:16,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:16,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:16:16,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:16:16,894 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) [2021-12-21 12:16:16,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-21 12:16:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:16,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 29 conjunts are in the unsatisfiable core [2021-12-21 12:16:16,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:16:17,003 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 12 [2021-12-21 12:16:17,114 INFO L353 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-12-21 12:16:17,114 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2021-12-21 12:16:17,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:17,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:16:17,367 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:16:17,367 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 195 treesize of output 199 [2021-12-21 12:16:20,411 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:16:20,412 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 130 [2021-12-21 12:16:20,457 INFO L353 Elim1Store]: treesize reduction 7, result has 50.0 percent of original size [2021-12-21 12:16:20,458 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 85 [2021-12-21 12:16:20,469 INFO L353 Elim1Store]: treesize reduction 7, result has 50.0 percent of original size [2021-12-21 12:16:20,470 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 36 [2021-12-21 12:16:20,484 INFO L353 Elim1Store]: treesize reduction 7, result has 50.0 percent of original size [2021-12-21 12:16:20,484 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 83 [2021-12-21 12:16:20,497 INFO L353 Elim1Store]: treesize reduction 10, result has 28.6 percent of original size [2021-12-21 12:16:20,497 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 52 [2021-12-21 12:16:20,507 INFO L353 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-21 12:16:20,508 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 169 treesize of output 1 [2021-12-21 12:16:20,515 INFO L353 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-21 12:16:20,515 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 196 treesize of output 1 [2021-12-21 12:16:20,533 INFO L353 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-21 12:16:20,533 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 261 treesize of output 1 [2021-12-21 12:16:20,967 INFO L353 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-12-21 12:16:20,968 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 214 treesize of output 156 [2021-12-21 12:16:21,050 INFO L353 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-12-21 12:16:21,050 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 285 treesize of output 209 [2021-12-21 12:16:21,129 INFO L353 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-12-21 12:16:21,130 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 184 treesize of output 135 [2021-12-21 12:16:21,139 INFO L353 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2021-12-21 12:16:21,139 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 113 treesize of output 82 [2021-12-21 12:16:21,183 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-21 12:16:21,233 WARN L234 Elim1Store]: Array PQE input equivalent to true [2021-12-21 12:16:21,737 INFO L353 Elim1Store]: treesize reduction 40, result has 70.8 percent of original size [2021-12-21 12:16:21,737 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 680 treesize of output 456 [2021-12-21 12:16:22,459 INFO L353 Elim1Store]: treesize reduction 40, result has 70.8 percent of original size [2021-12-21 12:16:22,460 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 434 treesize of output 326 [2021-12-21 12:16:23,468 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:16:23,468 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 569 treesize of output 433 [2021-12-21 12:16:26,179 INFO L353 Elim1Store]: treesize reduction 33, result has 74.4 percent of original size [2021-12-21 12:16:26,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 402 treesize of output 311 [2021-12-21 12:16:27,003 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,003 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 231 treesize of output 1 [2021-12-21 12:16:27,076 INFO L353 Elim1Store]: treesize reduction 33, result has 74.4 percent of original size [2021-12-21 12:16:27,077 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 231 treesize of output 220 [2021-12-21 12:16:27,508 INFO L353 Elim1Store]: treesize reduction 108, result has 16.3 percent of original size [2021-12-21 12:16:27,508 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 172 treesize of output 112 [2021-12-21 12:16:27,526 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,527 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 1 [2021-12-21 12:16:27,536 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,537 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 799 treesize of output 1 [2021-12-21 12:16:27,546 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,547 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 231 treesize of output 1 [2021-12-21 12:16:27,561 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,562 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 799 treesize of output 1 [2021-12-21 12:16:27,573 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,574 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 628 treesize of output 1 [2021-12-21 12:16:27,594 INFO L353 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-21 12:16:27,594 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 261 treesize of output 1 [2021-12-21 12:16:27,602 INFO L353 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-21 12:16:27,602 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 169 treesize of output 1 [2021-12-21 12:16:27,609 INFO L353 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-21 12:16:27,609 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 1 [2021-12-21 12:16:27,617 INFO L353 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-21 12:16:27,617 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 1 [2021-12-21 12:16:27,625 INFO L353 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-21 12:16:27,625 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 1 [2021-12-21 12:16:27,648 INFO L353 Elim1Store]: treesize reduction 84, result has 1.2 percent of original size [2021-12-21 12:16:27,649 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 196 treesize of output 1 [2021-12-21 12:16:27,660 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,660 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 402 treesize of output 1 [2021-12-21 12:16:27,674 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,674 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 231 treesize of output 1 [2021-12-21 12:16:27,685 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,685 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 231 treesize of output 1 [2021-12-21 12:16:27,692 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,692 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 60 treesize of output 1 [2021-12-21 12:16:27,703 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,703 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 799 treesize of output 1 [2021-12-21 12:16:27,710 INFO L353 Elim1Store]: treesize reduction 128, result has 0.8 percent of original size [2021-12-21 12:16:27,710 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 628 treesize of output 1 [2021-12-21 12:16:27,720 INFO L353 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-21 12:16:27,721 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 1 [2021-12-21 12:16:27,731 INFO L353 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-12-21 12:16:27,731 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 261 treesize of output 1 [2021-12-21 12:16:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:27,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821433567] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:16:27,785 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:16:27,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2021-12-21 12:16:27,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068685191] [2021-12-21 12:16:27,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:16:27,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-21 12:16:27,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:16:27,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-21 12:16:27,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2021-12-21 12:16:27,789 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2021-12-21 12:16:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:16:28,050 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2021-12-21 12:16:28,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-21 12:16:28,051 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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 19 [2021-12-21 12:16:28,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:16:28,051 INFO L225 Difference]: With dead ends: 34 [2021-12-21 12:16:28,051 INFO L226 Difference]: Without dead ends: 32 [2021-12-21 12:16:28,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=118, Invalid=302, Unknown=0, NotChecked=0, Total=420 [2021-12-21 12:16:28,052 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 65 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:16:28,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 51 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 12:16:28,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-12-21 12:16:28,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 24. [2021-12-21 12:16:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2021-12-21 12:16:28,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-12-21 12:16:28,055 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 19 [2021-12-21 12:16:28,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:16:28,055 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-12-21 12:16:28,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 15 states have internal predecessors, (42), 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) [2021-12-21 12:16:28,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-12-21 12:16:28,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-21 12:16:28,056 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:16:28,056 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] [2021-12-21 12:16:28,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-21 12:16:28,268 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 [2021-12-21 12:16:28,268 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:16:28,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:16:28,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1709087114, now seen corresponding path program 1 times [2021-12-21 12:16:28,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:16:28,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618008129] [2021-12-21 12:16:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:28,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:16:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:28,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:16:28,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618008129] [2021-12-21 12:16:28,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618008129] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:16:28,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789197631] [2021-12-21 12:16:28,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:28,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:16:28,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:16:28,422 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) [2021-12-21 12:16:28,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-21 12:16:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:28,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-21 12:16:28,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:16:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:28,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:16:28,653 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:28,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789197631] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-21 12:16:28,653 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-21 12:16:28,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2021-12-21 12:16:28,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262163449] [2021-12-21 12:16:28,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-21 12:16:28,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-21 12:16:28,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:16:28,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-21 12:16:28,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2021-12-21 12:16:28,655 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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) [2021-12-21 12:16:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:16:28,831 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2021-12-21 12:16:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-21 12:16:28,831 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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 23 [2021-12-21 12:16:28,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:16:28,832 INFO L225 Difference]: With dead ends: 76 [2021-12-21 12:16:28,832 INFO L226 Difference]: Without dead ends: 45 [2021-12-21 12:16:28,832 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2021-12-21 12:16:28,833 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 54 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-21 12:16:28,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 112 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-21 12:16:28,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-12-21 12:16:28,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 32. [2021-12-21 12:16:28,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 31 states have internal predecessors, (35), 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) [2021-12-21 12:16:28,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2021-12-21 12:16:28,837 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 23 [2021-12-21 12:16:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:16:28,837 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2021-12-21 12:16:28,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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) [2021-12-21 12:16:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2021-12-21 12:16:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-21 12:16:28,837 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:16:28,837 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:16:28,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-21 12:16:29,047 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 [2021-12-21 12:16:29,047 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:16:29,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:16:29,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1108233645, now seen corresponding path program 2 times [2021-12-21 12:16:29,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:16:29,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271247492] [2021-12-21 12:16:29,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:16:29,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:16:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:16:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 12:16:30,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:16:30,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271247492] [2021-12-21 12:16:30,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271247492] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-21 12:16:30,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458753895] [2021-12-21 12:16:30,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-21 12:16:30,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-21 12:16:30,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:16:30,257 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) [2021-12-21 12:16:30,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-21 12:16:30,312 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-21 12:16:30,312 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-21 12:16:30,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 36 conjunts are in the unsatisfiable core [2021-12-21 12:16:30,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-21 12:16:30,322 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 14 treesize of output 12 [2021-12-21 12:16:30,453 INFO L353 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-12-21 12:16:30,454 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 30 [2021-12-21 12:16:30,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-21 12:16:30,620 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-21 12:16:30,883 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:16:30,883 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 219 treesize of output 223 [2021-12-21 12:16:31,631 INFO L353 Elim1Store]: treesize reduction 9, result has 43.8 percent of original size [2021-12-21 12:16:31,632 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 48 [2021-12-21 12:16:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:16:31,676 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-12-21 12:16:31,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:31,719 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 42 [2021-12-21 12:16:31,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:16:31,837 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-12-21 12:16:32,703 INFO L353 Elim1Store]: treesize reduction 187, result has 34.8 percent of original size [2021-12-21 12:16:32,704 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 253 treesize of output 316 [2021-12-21 12:16:33,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:33,114 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:16:33,115 INFO L387 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 756 treesize of output 730 [2021-12-21 12:16:33,344 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:33,355 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:16:33,355 INFO L387 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 756 treesize of output 650 [2021-12-21 12:16:34,677 INFO L353 Elim1Store]: treesize reduction 686, result has 27.3 percent of original size [2021-12-21 12:16:34,677 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 29 case distinctions, treesize of input 436 treesize of output 561 [2021-12-21 12:16:45,789 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:45,790 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:45,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:45,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:45,881 INFO L353 Elim1Store]: treesize reduction 79, result has 59.5 percent of original size [2021-12-21 12:16:45,882 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 218 treesize of output 266 [2021-12-21 12:16:50,669 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:50,671 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:50,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:50,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:50,740 INFO L353 Elim1Store]: treesize reduction 116, result has 40.5 percent of original size [2021-12-21 12:16:50,741 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 218 treesize of output 229 [2021-12-21 12:16:52,374 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:52,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:52,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:52,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:16:52,391 INFO L353 Elim1Store]: treesize reduction 5, result has 68.8 percent of original size [2021-12-21 12:16:52,391 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 113 [2021-12-21 12:16:52,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:52,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:52,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:16:52,886 INFO L353 Elim1Store]: treesize reduction 5, result has 68.8 percent of original size [2021-12-21 12:16:52,886 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 113 [2021-12-21 12:16:54,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:54,381 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:54,399 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:54,400 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:54,499 INFO L353 Elim1Store]: treesize reduction 100, result has 48.7 percent of original size [2021-12-21 12:16:54,500 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 218 treesize of output 245 [2021-12-21 12:16:56,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:56,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:56,716 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:16:56,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:16:56,727 INFO L353 Elim1Store]: treesize reduction 5, result has 68.8 percent of original size [2021-12-21 12:16:56,728 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 135 treesize of output 113 [2021-12-21 12:17:03,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:03,222 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-21 12:17:03,223 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 27 [2021-12-21 12:17:03,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,310 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:03,311 INFO L387 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 11 [2021-12-21 12:17:03,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:03,502 INFO L353 Elim1Store]: treesize reduction 81, result has 53.2 percent of original size [2021-12-21 12:17:03,503 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 253 treesize of output 256 [2021-12-21 12:17:05,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,697 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,700 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,701 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:05,735 INFO L353 Elim1Store]: treesize reduction 75, result has 32.4 percent of original size [2021-12-21 12:17:05,736 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 253 treesize of output 200 [2021-12-21 12:17:07,182 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,183 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:07,184 INFO L387 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 11 [2021-12-21 12:17:07,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,325 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,327 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,330 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:07,364 INFO L353 Elim1Store]: treesize reduction 108, result has 15.6 percent of original size [2021-12-21 12:17:07,365 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 253 treesize of output 184 [2021-12-21 12:17:08,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,397 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,427 INFO L353 Elim1Store]: treesize reduction 70, result has 9.1 percent of original size [2021-12-21 12:17:08,428 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 232 treesize of output 167 [2021-12-21 12:17:08,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,511 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,512 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,516 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 160 [2021-12-21 12:17:08,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,626 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2021-12-21 12:17:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,683 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2021-12-21 12:17:08,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,879 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 5 [2021-12-21 12:17:08,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-21 12:17:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-21 12:17:08,992 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 160