./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-data/shared_mem1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 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/heap-data/shared_mem1.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 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 10:51:20,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:51:20,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:51:20,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:51:20,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:51:20,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:51:20,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:51:20,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:51:20,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:51:20,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:51:20,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:51:20,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:51:20,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:51:20,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:51:20,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:51:20,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:51:20,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:51:20,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:51:20,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:51:20,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:51:20,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:51:20,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:51:20,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:51:20,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:51:20,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:51:20,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:51:20,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:51:20,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:51:20,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:51:20,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:51:20,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:51:20,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:51:20,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:51:20,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:51:20,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:51:20,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:51:20,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:51:20,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:51:20,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:51:20,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:51:20,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:51:20,140 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 10:51:20,162 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:51:20,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:51:20,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:51:20,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:51:20,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:51:20,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:51:20,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:51:20,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:51:20,166 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:51:20,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:51:20,166 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:51:20,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:51:20,168 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:51:20,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:51:20,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:51:20,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:51:20,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:51:20,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:51:20,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:51:20,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:51:20,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:51:20,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 10:51:20,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 10:51:20,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:51:20,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:51:20,170 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:51:20,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:51:20,170 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:51:20,170 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47cb7cab177485da5df0f1af4a3f61fd7eb970990493dd3ac764f888774cbf0f [2023-02-15 10:51:20,368 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:51:20,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:51:20,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:51:20,388 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:51:20,388 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:51:20,389 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-data/shared_mem1.i [2023-02-15 10:51:21,420 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:51:21,562 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:51:21,562 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-data/shared_mem1.i [2023-02-15 10:51:21,571 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0233c53b/7d8c95a14416427997bbd0f246a87c30/FLAG9b2e4835c [2023-02-15 10:51:21,587 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0233c53b/7d8c95a14416427997bbd0f246a87c30 [2023-02-15 10:51:21,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:51:21,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:51:21,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:51:21,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:51:21,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:51:21,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@300ead6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21, skipping insertion in model container [2023-02-15 10:51:21,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:51:21,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:51:21,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2023-02-15 10:51:21,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:51:21,872 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:51:21,905 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-data/shared_mem1.i[23879,23892] [2023-02-15 10:51:21,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:51:21,926 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:51:21,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21 WrapperNode [2023-02-15 10:51:21,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:51:21,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:51:21,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:51:21,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:51:21,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,960 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,981 INFO L138 Inliner]: procedures = 121, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2023-02-15 10:51:21,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:51:21,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:51:21,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:51:21,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:51:21,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:21,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:22,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:22,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:22,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:22,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:22,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:51:22,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:51:22,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:51:22,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:51:22,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (1/1) ... [2023-02-15 10:51:22,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:51:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:22,067 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) [2023-02-15 10:51:22,097 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 [2023-02-15 10:51:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 10:51:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 10:51:22,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 10:51:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:51:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-02-15 10:51:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-02-15 10:51:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 10:51:22,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:51:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:51:22,167 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:51:22,168 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:51:22,313 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:51:22,317 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:51:22,317 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-15 10:51:22,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:51:22 BoogieIcfgContainer [2023-02-15 10:51:22,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:51:22,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:51:22,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:51:22,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:51:22,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:51:21" (1/3) ... [2023-02-15 10:51:22,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52944ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:51:22, skipping insertion in model container [2023-02-15 10:51:22,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:51:21" (2/3) ... [2023-02-15 10:51:22,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52944ca8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:51:22, skipping insertion in model container [2023-02-15 10:51:22,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:51:22" (3/3) ... [2023-02-15 10:51:22,323 INFO L112 eAbstractionObserver]: Analyzing ICFG shared_mem1.i [2023-02-15 10:51:22,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:51:22,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:51:22,381 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:51:22,386 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17599375, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:51:22,386 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:51:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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) [2023-02-15 10:51:22,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-15 10:51:22,393 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:22,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:22,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:22,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:22,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1650103796, now seen corresponding path program 1 times [2023-02-15 10:51:22,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:22,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608687609] [2023-02-15 10:51:22,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:22,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:22,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:22,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:22,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608687609] [2023-02-15 10:51:22,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608687609] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:51:22,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:51:22,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 10:51:22,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087975486] [2023-02-15 10:51:22,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:51:22,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 10:51:22,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:22,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 10:51:22,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 10:51:22,617 INFO L87 Difference]: Start difference. First operand has 16 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 15 states have internal predecessors, (23), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-02-15 10:51:22,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:22,627 INFO L93 Difference]: Finished difference Result 27 states and 38 transitions. [2023-02-15 10:51:22,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 10:51:22,628 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2023-02-15 10:51:22,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:22,634 INFO L225 Difference]: With dead ends: 27 [2023-02-15 10:51:22,634 INFO L226 Difference]: Without dead ends: 13 [2023-02-15 10:51:22,637 INFO L412 NwaCegarLoop]: 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 [2023-02-15 10:51:22,640 INFO L413 NwaCegarLoop]: 20 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, 20 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 [2023-02-15 10:51:22,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 10:51:22,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-15 10:51:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-15 10:51:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-02-15 10:51:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-02-15 10:51:22,660 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 17 transitions. Word has length 10 [2023-02-15 10:51:22,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:22,661 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-02-15 10:51:22,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2023-02-15 10:51:22,661 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2023-02-15 10:51:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 10:51:22,661 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:22,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:22,662 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 10:51:22,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:22,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:22,664 INFO L85 PathProgramCache]: Analyzing trace with hash -812668617, now seen corresponding path program 1 times [2023-02-15 10:51:22,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:22,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172427018] [2023-02-15 10:51:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:22,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:23,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:23,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:23,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172427018] [2023-02-15 10:51:23,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172427018] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:51:23,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:51:23,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-02-15 10:51:23,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583867074] [2023-02-15 10:51:23,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:51:23,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-15 10:51:23,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:23,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-15 10:51:23,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-02-15 10:51:23,350 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2023-02-15 10:51:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:23,502 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2023-02-15 10:51:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 10:51:23,502 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 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 [2023-02-15 10:51:23,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:23,504 INFO L225 Difference]: With dead ends: 29 [2023-02-15 10:51:23,504 INFO L226 Difference]: Without dead ends: 27 [2023-02-15 10:51:23,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-02-15 10:51:23,505 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 31 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:23,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 38 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:51:23,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-15 10:51:23,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2023-02-15 10:51:23,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 21 states have internal predecessors, (30), 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) [2023-02-15 10:51:23,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2023-02-15 10:51:23,509 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 11 [2023-02-15 10:51:23,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:23,510 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2023-02-15 10:51:23,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 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) [2023-02-15 10:51:23,510 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2023-02-15 10:51:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 10:51:23,511 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:23,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:23,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 10:51:23,511 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:23,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:23,511 INFO L85 PathProgramCache]: Analyzing trace with hash -812666695, now seen corresponding path program 1 times [2023-02-15 10:51:23,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:23,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052256206] [2023-02-15 10:51:23,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:23,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:23,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:23,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052256206] [2023-02-15 10:51:23,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052256206] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:51:23,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:51:23,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-02-15 10:51:23,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413678953] [2023-02-15 10:51:23,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:51:23,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-15 10:51:23,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:23,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-15 10:51:23,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-02-15 10:51:23,824 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) [2023-02-15 10:51:23,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:23,916 INFO L93 Difference]: Finished difference Result 31 states and 42 transitions. [2023-02-15 10:51:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-15 10:51:23,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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 [2023-02-15 10:51:23,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:23,917 INFO L225 Difference]: With dead ends: 31 [2023-02-15 10:51:23,917 INFO L226 Difference]: Without dead ends: 24 [2023-02-15 10:51:23,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-02-15 10:51:23,919 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:23,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 38 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:51:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2023-02-15 10:51:23,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22. [2023-02-15 10:51:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 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) [2023-02-15 10:51:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2023-02-15 10:51:23,922 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 29 transitions. Word has length 11 [2023-02-15 10:51:23,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:23,922 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 29 transitions. [2023-02-15 10:51:23,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) [2023-02-15 10:51:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2023-02-15 10:51:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 10:51:23,923 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:23,923 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:23,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 10:51:23,924 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:23,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:23,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1760681901, now seen corresponding path program 1 times [2023-02-15 10:51:23,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:23,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312083870] [2023-02-15 10:51:23,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:23,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:24,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:24,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312083870] [2023-02-15 10:51:24,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312083870] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:51:24,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1968992605] [2023-02-15 10:51:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:24,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:24,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:24,445 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) [2023-02-15 10:51:24,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 10:51:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:24,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 52 conjunts are in the unsatisfiable core [2023-02-15 10:51:24,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:51:24,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:24,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:24,601 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2023-02-15 10:51:24,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2023-02-15 10:51:24,634 INFO L321 Elim1Store]: treesize reduction 46, result has 29.2 percent of original size [2023-02-15 10:51:24,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 94 [2023-02-15 10:51:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,649 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2023-02-15 10:51:24,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-02-15 10:51:24,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 76 treesize of output 45 [2023-02-15 10:51:24,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2023-02-15 10:51:24,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2023-02-15 10:51:24,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2023-02-15 10:51:24,863 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2023-02-15 10:51:24,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 21 [2023-02-15 10:51:24,877 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-15 10:51:24,877 INFO L350 Elim1Store]: Elim1 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 11 treesize of output 11 [2023-02-15 10:51:24,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:24,881 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2023-02-15 10:51:24,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2023-02-15 10:51:24,981 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2023-02-15 10:51:25,000 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:51:25,015 INFO L321 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2023-02-15 10:51:25,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 42 [2023-02-15 10:51:25,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-02-15 10:51:25,107 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:51:25,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 29 [2023-02-15 10:51:25,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:25,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:51:25,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:25,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1968992605] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:51:25,426 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 10:51:25,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 18 [2023-02-15 10:51:25,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057989111] [2023-02-15 10:51:25,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 10:51:25,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-15 10:51:25,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:25,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-15 10:51:25,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2023-02-15 10:51:25,430 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. Second operand has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 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) [2023-02-15 10:51:25,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:25,791 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2023-02-15 10:51:25,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 10:51:25,792 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 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) Word has length 14 [2023-02-15 10:51:25,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:25,792 INFO L225 Difference]: With dead ends: 42 [2023-02-15 10:51:25,793 INFO L226 Difference]: Without dead ends: 32 [2023-02-15 10:51:25,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2023-02-15 10:51:25,793 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 51 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:25,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 54 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:51:25,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-02-15 10:51:25,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2023-02-15 10:51:25,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 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) [2023-02-15 10:51:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2023-02-15 10:51:25,796 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 14 [2023-02-15 10:51:25,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:25,797 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2023-02-15 10:51:25,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 18 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) [2023-02-15 10:51:25,797 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-02-15 10:51:25,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-02-15 10:51:25,797 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:25,797 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:25,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 10:51:26,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:26,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:26,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:26,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1760679979, now seen corresponding path program 1 times [2023-02-15 10:51:26,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:26,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589468220] [2023-02-15 10:51:26,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:26,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:26,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589468220] [2023-02-15 10:51:26,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589468220] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:51:26,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479861643] [2023-02-15 10:51:26,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:26,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:26,512 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) [2023-02-15 10:51:26,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 10:51:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:26,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 56 conjunts are in the unsatisfiable core [2023-02-15 10:51:26,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:51:26,638 INFO L321 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-02-15 10:51:26,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 74 [2023-02-15 10:51:26,660 INFO L321 Elim1Store]: treesize reduction 55, result has 24.7 percent of original size [2023-02-15 10:51:26,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 66 treesize of output 91 [2023-02-15 10:51:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2023-02-15 10:51:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,699 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2023-02-15 10:51:26,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 75 [2023-02-15 10:51:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,717 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 53 [2023-02-15 10:51:26,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 121 [2023-02-15 10:51:26,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,751 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:51:26,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 3 [2023-02-15 10:51:26,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2023-02-15 10:51:26,811 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:26,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:26,832 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-02-15 10:51:26,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 10:51:26,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2023-02-15 10:51:26,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2023-02-15 10:51:26,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2023-02-15 10:51:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 31 [2023-02-15 10:51:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:26,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2023-02-15 10:51:26,985 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-02-15 10:51:26,986 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 18 [2023-02-15 10:51:26,990 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2023-02-15 10:51:27,077 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2023-02-15 10:51:27,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 treesize of output 30 [2023-02-15 10:51:27,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2023-02-15 10:51:27,117 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-15 10:51:27,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 16 [2023-02-15 10:51:27,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:27,122 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:51:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:27,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479861643] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:51:27,352 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 10:51:27,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2023-02-15 10:51:27,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109493474] [2023-02-15 10:51:27,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 10:51:27,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-15 10:51:27,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:27,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-15 10:51:27,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=179, Unknown=1, NotChecked=0, Total=240 [2023-02-15 10:51:27,353 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 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) [2023-02-15 10:51:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:27,662 INFO L93 Difference]: Finished difference Result 35 states and 45 transitions. [2023-02-15 10:51:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-15 10:51:27,668 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 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 14 [2023-02-15 10:51:27,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:27,668 INFO L225 Difference]: With dead ends: 35 [2023-02-15 10:51:27,668 INFO L226 Difference]: Without dead ends: 28 [2023-02-15 10:51:27,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=116, Invalid=303, Unknown=1, NotChecked=0, Total=420 [2023-02-15 10:51:27,669 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 34 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:27,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 47 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:51:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-02-15 10:51:27,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 18. [2023-02-15 10:51:27,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 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) [2023-02-15 10:51:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2023-02-15 10:51:27,671 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 14 [2023-02-15 10:51:27,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:27,672 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2023-02-15 10:51:27,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.125) internal successors, (34), 16 states have internal predecessors, (34), 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) [2023-02-15 10:51:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-02-15 10:51:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 10:51:27,672 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:27,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:27,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-02-15 10:51:27,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:27,878 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:27,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:27,879 INFO L85 PathProgramCache]: Analyzing trace with hash 187961508, now seen corresponding path program 1 times [2023-02-15 10:51:27,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:27,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187573541] [2023-02-15 10:51:27,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:27,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:28,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:28,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187573541] [2023-02-15 10:51:28,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187573541] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:51:28,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376758124] [2023-02-15 10:51:28,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:28,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:28,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:28,311 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) [2023-02-15 10:51:28,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 10:51:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:28,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 48 conjunts are in the unsatisfiable core [2023-02-15 10:51:28,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:51:28,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:28,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:28,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:28,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2023-02-15 10:51:28,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:28,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 30 [2023-02-15 10:51:28,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:28,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:28,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2023-02-15 10:51:28,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:28,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:28,427 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 14 [2023-02-15 10:51:28,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2023-02-15 10:51:28,522 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-02-15 10:51:28,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 102 [2023-02-15 10:51:28,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 75 treesize of output 38 [2023-02-15 10:51:28,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 54 [2023-02-15 10:51:28,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 44 treesize of output 32 [2023-02-15 10:51:28,633 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-15 10:51:28,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 16 [2023-02-15 10:51:28,647 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:28,648 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:51:28,703 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_515 (Array Int Int)) (v_ArrVal_516 (Array Int Int)) (v_ArrVal_514 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_514)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_516)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_515)) (.cse7 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_514)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2023-02-15 10:51:28,723 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_515 (Array Int Int)) (v_ArrVal_516 (Array Int Int)) (v_ArrVal_514 Int)) (let ((.cse8 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_514)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_516)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_515)) (.cse7 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_514)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2023-02-15 10:51:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-02-15 10:51:28,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376758124] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:51:28,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 10:51:28,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 7] total 18 [2023-02-15 10:51:28,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80268028] [2023-02-15 10:51:28,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 10:51:28,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-02-15 10:51:28,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:28,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-02-15 10:51:28,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=206, Unknown=2, NotChecked=58, Total=306 [2023-02-15 10:51:28,749 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 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) [2023-02-15 10:51:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:29,596 INFO L93 Difference]: Finished difference Result 50 states and 66 transitions. [2023-02-15 10:51:29,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 10:51:29,597 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 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 16 [2023-02-15 10:51:29,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:29,597 INFO L225 Difference]: With dead ends: 50 [2023-02-15 10:51:29,597 INFO L226 Difference]: Without dead ends: 27 [2023-02-15 10:51:29,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 22 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=112, Invalid=356, Unknown=2, NotChecked=82, Total=552 [2023-02-15 10:51:29,598 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 56 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:29,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 115 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 34 Unchecked, 0.2s Time] [2023-02-15 10:51:29,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-02-15 10:51:29,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2023-02-15 10:51:29,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.3) internal successors, (26), 20 states have internal predecessors, (26), 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) [2023-02-15 10:51:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2023-02-15 10:51:29,601 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 16 [2023-02-15 10:51:29,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:29,601 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2023-02-15 10:51:29,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2222222222222223) internal successors, (40), 18 states have internal predecessors, (40), 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) [2023-02-15 10:51:29,602 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-02-15 10:51:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 10:51:29,602 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:29,602 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:29,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-15 10:51:29,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:29,809 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:29,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:29,809 INFO L85 PathProgramCache]: Analyzing trace with hash -2098222328, now seen corresponding path program 1 times [2023-02-15 10:51:29,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:29,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877300384] [2023-02-15 10:51:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:29,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:30,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:30,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877300384] [2023-02-15 10:51:30,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877300384] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:51:30,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902154509] [2023-02-15 10:51:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:30,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:30,509 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:51:30,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 10:51:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:30,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 89 conjunts are in the unsatisfiable core [2023-02-15 10:51:30,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:51:30,646 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:30,666 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-02-15 10:51:30,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 10:51:30,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2023-02-15 10:51:30,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 30 [2023-02-15 10:51:30,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2023-02-15 10:51:30,700 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-02-15 10:51:30,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:30,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 43 [2023-02-15 10:51:30,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,816 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 50 [2023-02-15 10:51:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,824 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 58 [2023-02-15 10:51:30,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 50 [2023-02-15 10:51:30,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 33 [2023-02-15 10:51:30,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2023-02-15 10:51:30,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 27 [2023-02-15 10:51:30,865 INFO L321 Elim1Store]: treesize reduction 8, result has 77.1 percent of original size [2023-02-15 10:51:30,866 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 36 [2023-02-15 10:51:30,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:30,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 20 [2023-02-15 10:51:31,061 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2023-02-15 10:51:31,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 163 [2023-02-15 10:51:31,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 38 [2023-02-15 10:51:31,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2023-02-15 10:51:31,238 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:51:31,243 INFO L321 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2023-02-15 10:51:31,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 125 treesize of output 69 [2023-02-15 10:51:31,251 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2023-02-15 10:51:31,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 41 [2023-02-15 10:51:31,266 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-15 10:51:31,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 16 [2023-02-15 10:51:31,282 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:31,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:51:31,355 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_698 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse8 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_698)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_697)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_696)) (.cse7 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7)) (.cse5 (+ (select (select .cse6 |c_ULTIMATE.start_main_~list~0#1.base|) .cse7) 4))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_698)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2023-02-15 10:51:31,370 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_698 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_697 (Array Int Int))) (let ((.cse8 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (let ((.cse0 (select |c_#memory_int| .cse2)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse8))) (or (not (<= (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_698)) (< 100 (let ((.cse6 (store |c_#memory_$Pointer$.offset| .cse2 v_ArrVal_697)) (.cse3 (store |c_#memory_$Pointer$.base| .cse2 v_ArrVal_696)) (.cse7 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse3 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)) (.cse5 (+ 4 (select (select .cse6 |c_ULTIMATE.start_main_~head~0#1.base|) .cse7)))) (select (select (store |c_#memory_int| .cse2 (store .cse0 .cse1 v_ArrVal_698)) (select (select .cse3 .cse4) .cse5)) (select (select .cse6 .cse4) .cse5)))))))))) is different from false [2023-02-15 10:51:31,404 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:51:31,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 690 treesize of output 558 [2023-02-15 10:51:31,417 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:51:31,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 546 treesize of output 498 [2023-02-15 10:51:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-02-15 10:51:31,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902154509] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:51:31,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 10:51:31,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 24 [2023-02-15 10:51:31,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361628453] [2023-02-15 10:51:31,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 10:51:31,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 10:51:31,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:31,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 10:51:31,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=402, Unknown=2, NotChecked=82, Total=552 [2023-02-15 10:51:31,661 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2023-02-15 10:51:33,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:33,819 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2023-02-15 10:51:33,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 10:51:33,820 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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 [2023-02-15 10:51:33,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:33,821 INFO L225 Difference]: With dead ends: 30 [2023-02-15 10:51:33,821 INFO L226 Difference]: Without dead ends: 23 [2023-02-15 10:51:33,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 26 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=153, Invalid=665, Unknown=2, NotChecked=110, Total=930 [2023-02-15 10:51:33,821 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 33 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 38 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:33,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 141 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 163 Invalid, 1 Unknown, 38 Unchecked, 0.6s Time] [2023-02-15 10:51:33,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-15 10:51:33,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-15 10:51:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 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) [2023-02-15 10:51:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2023-02-15 10:51:33,825 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 19 [2023-02-15 10:51:33,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:33,825 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2023-02-15 10:51:33,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2023-02-15 10:51:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-02-15 10:51:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 10:51:33,825 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:33,825 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:33,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-15 10:51:34,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:34,037 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:34,038 INFO L85 PathProgramCache]: Analyzing trace with hash -2096375286, now seen corresponding path program 1 times [2023-02-15 10:51:34,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:34,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49753922] [2023-02-15 10:51:34,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:34,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:35,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:35,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49753922] [2023-02-15 10:51:35,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49753922] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:51:35,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829683205] [2023-02-15 10:51:35,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:35,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:35,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:35,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:51:35,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 10:51:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:35,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 95 conjunts are in the unsatisfiable core [2023-02-15 10:51:35,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:51:35,154 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-02-15 10:51:35,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 10:51:35,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:35,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:35,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 33 [2023-02-15 10:51:35,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 30 [2023-02-15 10:51:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2023-02-15 10:51:35,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-02-15 10:51:35,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 51 [2023-02-15 10:51:35,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2023-02-15 10:51:35,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2023-02-15 10:51:35,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,406 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2023-02-15 10:51:35,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:35,414 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2023-02-15 10:51:35,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 25 treesize of output 25 [2023-02-15 10:51:35,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 25 treesize of output 25 [2023-02-15 10:51:35,453 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-02-15 10:51:35,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2023-02-15 10:51:35,709 INFO L321 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2023-02-15 10:51:35,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 173 treesize of output 154 [2023-02-15 10:51:35,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 54 [2023-02-15 10:51:35,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 75 [2023-02-15 10:51:36,011 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:51:36,017 INFO L321 Elim1Store]: treesize reduction 25, result has 10.7 percent of original size [2023-02-15 10:51:36,018 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 202 treesize of output 110 [2023-02-15 10:51:36,031 INFO L321 Elim1Store]: treesize reduction 14, result has 17.6 percent of original size [2023-02-15 10:51:36,031 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 58 [2023-02-15 10:51:36,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-02-15 10:51:36,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 17 [2023-02-15 10:51:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:36,093 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:51:36,354 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_884 Int) (v_ArrVal_881 Int) (v_ArrVal_880 (Array Int Int)) (v_ArrVal_882 (Array Int Int))) (let ((.cse12 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse11 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (let ((.cse8 (store |c_#memory_$Pointer$.offset| .cse11 v_ArrVal_882)) (.cse13 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse4 (select (select .cse8 |c_ULTIMATE.start_main_~head~0#1.base|) .cse13)) (.cse10 (store |c_#memory_$Pointer$.base| .cse11 v_ArrVal_880))) (let ((.cse3 (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) .cse13)) (.cse9 (+ .cse4 4)) (.cse0 (select |c_#memory_int| .cse11)) (.cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse12))) (let ((.cse2 (store |c_#memory_int| .cse11 (store .cse0 .cse1 v_ArrVal_881))) (.cse7 (select (select .cse10 .cse3) .cse9))) (let ((.cse5 (select .cse2 .cse7)) (.cse6 (select (select .cse8 .cse3) .cse9))) (or (not (<= v_ArrVal_881 (+ (select .cse0 .cse1) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) (not (<= (+ v_ArrVal_884 (select (select .cse2 .cse3) .cse4)) (select .cse5 .cse6))) (<= (select (select (store .cse2 .cse7 (store .cse5 .cse6 v_ArrVal_884)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|) 109)))))))))) is different from false [2023-02-15 10:51:36,462 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:51:36,462 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1851 treesize of output 1653 [2023-02-15 10:51:36,537 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:51:36,537 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1641 treesize of output 1575 [2023-02-15 10:51:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-02-15 10:51:37,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829683205] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:51:37,458 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 10:51:37,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 24 [2023-02-15 10:51:37,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560810042] [2023-02-15 10:51:37,459 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 10:51:37,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-02-15 10:51:37,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:51:37,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-02-15 10:51:37,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=419, Unknown=4, NotChecked=42, Total=552 [2023-02-15 10:51:37,461 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2023-02-15 10:51:52,916 WARN L233 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:51:52,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:51:52,942 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2023-02-15 10:51:52,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-15 10:51:52,942 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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 [2023-02-15 10:51:52,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:51:52,943 INFO L225 Difference]: With dead ends: 47 [2023-02-15 10:51:52,943 INFO L226 Difference]: Without dead ends: 40 [2023-02-15 10:51:52,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=250, Invalid=871, Unknown=5, NotChecked=64, Total=1190 [2023-02-15 10:51:52,944 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 81 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 32 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-02-15 10:51:52,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 138 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 195 Invalid, 3 Unknown, 31 Unchecked, 0.8s Time] [2023-02-15 10:51:52,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-15 10:51:52,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2023-02-15 10:51:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 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) [2023-02-15 10:51:52,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 45 transitions. [2023-02-15 10:51:52,948 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 45 transitions. Word has length 19 [2023-02-15 10:51:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:51:52,948 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 45 transitions. [2023-02-15 10:51:52,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 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) [2023-02-15 10:51:52,948 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-02-15 10:51:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-15 10:51:52,949 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:51:52,949 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:51:52,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-15 10:51:53,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:53,154 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:51:53,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:51:53,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2096373364, now seen corresponding path program 1 times [2023-02-15 10:51:53,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:51:53,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134545729] [2023-02-15 10:51:53,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:53,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:51:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:53,789 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:51:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:51:53,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134545729] [2023-02-15 10:51:53,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134545729] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:51:53,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847598147] [2023-02-15 10:51:53,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:51:53,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:51:53,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:51:53,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:51:53,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 10:51:53,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:51:53,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 100 conjunts are in the unsatisfiable core [2023-02-15 10:51:53,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:51:53,914 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-02-15 10:51:53,915 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 10:51:53,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 14 [2023-02-15 10:51:53,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2023-02-15 10:51:53,931 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:53,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:51:54,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 30 [2023-02-15 10:51:54,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 38 [2023-02-15 10:51:54,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2023-02-15 10:51:54,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2023-02-15 10:51:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2023-02-15 10:51:54,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,094 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2023-02-15 10:51:54,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 38 [2023-02-15 10:51:54,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,108 INFO L321 Elim1Store]: treesize reduction 4, result has 71.4 percent of original size [2023-02-15 10:51:54,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2023-02-15 10:51:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:51:54,125 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-02-15 10:51:54,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 34 [2023-02-15 10:51:54,136 INFO L321 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2023-02-15 10:51:54,137 INFO L350 Elim1Store]: Elim1 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 32 [2023-02-15 10:51:54,558 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2023-02-15 10:51:54,559 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 262 treesize of output 235 [2023-02-15 10:51:54,592 INFO L321 Elim1Store]: treesize reduction 120, result has 24.5 percent of original size [2023-02-15 10:51:54,593 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 243 treesize of output 243 [2023-02-15 10:51:54,635 INFO L321 Elim1Store]: treesize reduction 128, result has 38.2 percent of original size [2023-02-15 10:51:54,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 204 treesize of output 235 [2023-02-15 10:51:54,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:51:54,763 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:51:55,922 INFO L321 Elim1Store]: treesize reduction 180, result has 40.6 percent of original size [2023-02-15 10:51:55,922 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 372 treesize of output 354 [2023-02-15 10:51:56,259 INFO L321 Elim1Store]: treesize reduction 655, result has 25.7 percent of original size [2023-02-15 10:51:56,259 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 233 treesize of output 394 [2023-02-15 10:51:56,445 INFO L321 Elim1Store]: treesize reduction 180, result has 40.6 percent of original size [2023-02-15 10:51:56,446 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 41 case distinctions, treesize of input 314 treesize of output 324 [2023-02-15 10:52:16,116 INFO L321 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-02-15 10:52:16,117 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 30 [2023-02-15 10:52:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:52:16,121 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:52:22,372 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1065 Int) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int))) (let ((.cse13 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (let ((.cse12 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~list~0#1.base|) .cse13))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| .cse12 v_ArrVal_1061)) (.cse14 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse6 (select (select .cse9 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14)) (.cse11 (store |c_#memory_$Pointer$.base| .cse12 v_ArrVal_1062))) (let ((.cse5 (select (select .cse11 |c_ULTIMATE.start_main_~list~0#1.base|) .cse14)) (.cse10 (+ .cse6 4)) (.cse7 (select |c_#memory_int| .cse12)) (.cse8 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~list~0#1.base|) .cse13))) (let ((.cse0 (store |c_#memory_int| .cse12 (store .cse7 .cse8 v_ArrVal_1060))) (.cse1 (select (select .cse11 .cse5) .cse10))) (let ((.cse2 (select .cse0 .cse1)) (.cse3 (select (select .cse9 .cse5) .cse10))) (let ((.cse4 (select .cse2 .cse3))) (or (<= 91 (select (select (store .cse0 .cse1 (store .cse2 .cse3 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= .cse4 (+ v_ArrVal_1065 (select (select .cse0 .cse5) .cse6)))) (not (<= (+ (select .cse7 .cse8) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) v_ArrVal_1060)) (< 109 (select (select .cse0 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (< .cse4 101))))))))))) is different from false [2023-02-15 10:52:22,411 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1065 Int) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int))) (let ((.cse13 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse12 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~head~0#1.base|) .cse13))) (let ((.cse9 (store |c_#memory_$Pointer$.offset| .cse12 v_ArrVal_1061)) (.cse14 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse8 (select (select .cse9 |c_ULTIMATE.start_main_~head~0#1.base|) .cse14)) (.cse11 (store |c_#memory_$Pointer$.base| .cse12 v_ArrVal_1062))) (let ((.cse7 (select (select .cse11 |c_ULTIMATE.start_main_~head~0#1.base|) .cse14)) (.cse10 (+ 4 .cse8)) (.cse5 (select |c_#memory_int| .cse12)) (.cse6 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~head~0#1.base|) .cse13))) (let ((.cse1 (store |c_#memory_int| .cse12 (store .cse5 .cse6 v_ArrVal_1060))) (.cse2 (select (select .cse11 .cse7) .cse10))) (let ((.cse3 (select .cse1 .cse2)) (.cse4 (select (select .cse9 .cse7) .cse10))) (let ((.cse0 (select .cse3 .cse4))) (or (< .cse0 101) (<= 91 (select (select (store .cse1 .cse2 (store .cse3 .cse4 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= (+ (select .cse5 .cse6) (select (select |c_#memory_int| |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) v_ArrVal_1060)) (< 109 (select (select .cse1 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (<= .cse0 (+ v_ArrVal_1065 (select (select .cse1 .cse7) .cse8)))))))))))))) is different from false [2023-02-15 10:52:22,480 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:52:22,481 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 2549 treesize of output 1985 [2023-02-15 10:52:22,501 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-02-15 10:52:22,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1973 treesize of output 1877 [2023-02-15 10:52:22,590 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_arrayElimArr_22 (Array Int Int)) (v_arrayElimArr_21 (Array Int Int)) (v_ArrVal_1038 (Array Int Int)) (v_ArrVal_1045 (Array Int Int)) (v_ArrVal_1060 Int) (v_ArrVal_1062 (Array Int Int)) (v_ArrVal_1061 (Array Int Int)) (v_ArrVal_1065 Int) (v_ArrVal_1057 Int) (v_ArrVal_1048 Int) (v_ArrVal_1058 Int) (v_ArrVal_1049 Int)) (let ((.cse18 (+ |c_ULTIMATE.start_main_~list~0#1.offset| 8))) (let ((.cse17 (let ((.cse19 (store |c_#memory_$Pointer$.base| v_ArrVal_1048 v_arrayElimArr_21))) (store .cse19 |c_ULTIMATE.start_main_~list~0#1.base| (store (select .cse19 |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 v_ArrVal_1048)))) (.cse15 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 4))) (let ((.cse14 (store (store |c_#memory_$Pointer$.offset| v_ArrVal_1048 v_arrayElimArr_22) |c_ULTIMATE.start_main_~list~0#1.base| (store (select (store |c_#memory_$Pointer$.offset| v_ArrVal_1048 v_ArrVal_1045) |c_ULTIMATE.start_main_~list~0#1.base|) .cse18 0))) (.cse13 (select (select .cse17 |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (let ((.cse10 (store .cse14 .cse13 v_ArrVal_1061)) (.cse16 (+ |c_ULTIMATE.start_main_~head~0#1.offset| 8))) (let ((.cse1 (store (store |c_#memory_int| v_ArrVal_1048 (store (store (store (select |c_#memory_int| v_ArrVal_1048) 0 v_ArrVal_1058) 4 v_ArrVal_1057) 8 v_ArrVal_1049)) |c_ULTIMATE.start_main_~list~0#1.base| v_ArrVal_1038)) (.cse9 (select (select .cse10 |c_ULTIMATE.start_main_~head~0#1.base|) .cse16)) (.cse12 (store .cse17 .cse13 v_ArrVal_1062))) (let ((.cse8 (select (select .cse12 |c_ULTIMATE.start_main_~head~0#1.base|) .cse16)) (.cse11 (+ .cse9 4)) (.cse2 (select .cse1 .cse13)) (.cse3 (select (select .cse14 |c_ULTIMATE.start_main_~head~0#1.base|) .cse15))) (let ((.cse0 (store .cse1 .cse13 (store .cse2 .cse3 v_ArrVal_1060))) (.cse5 (select (select .cse12 .cse8) .cse11))) (let ((.cse6 (select .cse0 .cse5)) (.cse7 (select (select .cse10 .cse8) .cse11))) (let ((.cse4 (select .cse6 .cse7))) (or (not (= (select v_arrayElimArr_22 8) |c_ULTIMATE.start_main_~head~0#1.offset|)) (< 109 (select (select .cse0 |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= 0 (select |c_#valid| v_ArrVal_1048))) (not (= (select v_arrayElimArr_21 8) |c_ULTIMATE.start_main_~head~0#1.base|)) (not (<= (+ (select (select .cse1 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (select .cse2 .cse3)) v_ArrVal_1060)) (< .cse4 101) (<= 91 (select (select (store .cse0 .cse5 (store .cse6 .cse7 v_ArrVal_1065)) |c_ULTIMATE.start_main_~m~0#1.base|) |c_ULTIMATE.start_main_~m~0#1.offset|)) (not (= |c_ULTIMATE.start_main_~m~0#1.base| (select v_arrayElimArr_21 4))) (not (<= .cse4 (+ v_ArrVal_1065 (select (select .cse0 .cse8) .cse9)))) (not (= |c_ULTIMATE.start_main_~m~0#1.offset| (select v_arrayElimArr_22 4))) (< 9 v_ArrVal_1058)))))))))))) is different from false [2023-02-15 10:52:22,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2023-02-15 10:52:22,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847598147] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:52:22,824 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-02-15 10:52:22,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 28 [2023-02-15 10:52:22,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446444799] [2023-02-15 10:52:22,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-02-15 10:52:22,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-02-15 10:52:22,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:52:22,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-02-15 10:52:22,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=500, Unknown=3, NotChecked=144, Total=756 [2023-02-15 10:52:22,826 INFO L87 Difference]: Start difference. First operand 35 states and 45 transitions. Second operand has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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) [2023-02-15 10:52:28,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:52:28,748 INFO L93 Difference]: Finished difference Result 78 states and 102 transitions. [2023-02-15 10:52:28,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-15 10:52:28,748 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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 [2023-02-15 10:52:28,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:52:28,749 INFO L225 Difference]: With dead ends: 78 [2023-02-15 10:52:28,749 INFO L226 Difference]: Without dead ends: 59 [2023-02-15 10:52:28,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 21 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=282, Invalid=1133, Unknown=3, NotChecked=222, Total=1640 [2023-02-15 10:52:28,750 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 77 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 99 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-02-15 10:52:28,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 133 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 215 Invalid, 0 Unknown, 99 Unchecked, 0.6s Time] [2023-02-15 10:52:28,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-02-15 10:52:28,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 44. [2023-02-15 10:52:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 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) [2023-02-15 10:52:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2023-02-15 10:52:28,756 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 19 [2023-02-15 10:52:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:52:28,756 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2023-02-15 10:52:28,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.7142857142857142) internal successors, (48), 28 states have internal predecessors, (48), 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) [2023-02-15 10:52:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2023-02-15 10:52:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 10:52:28,756 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:52:28,756 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:52:28,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 10:52:28,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:52:28,957 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:52:28,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:52:28,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1977905971, now seen corresponding path program 2 times [2023-02-15 10:52:28,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:52:28,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545983857] [2023-02-15 10:52:28,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:52:28,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:52:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:52:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:52:30,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:52:30,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545983857] [2023-02-15 10:52:30,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545983857] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 10:52:30,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605719026] [2023-02-15 10:52:30,657 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 10:52:30,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:52:30,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:52:30,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:52:30,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 10:52:30,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 10:52:30,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 10:52:30,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 109 conjunts are in the unsatisfiable core [2023-02-15 10:52:30,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:52:30,834 INFO L321 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-02-15 10:52:30,834 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 10:52:30,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:52:30,850 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2023-02-15 10:52:30,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2023-02-15 10:52:30,964 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2023-02-15 10:52:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:52:30,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:52:30,970 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2023-02-15 10:52:30,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:52:30,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:52:30,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 30 [2023-02-15 10:52:30,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:52:30,994 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2023-02-15 10:52:30,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 38 [2023-02-15 10:52:31,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:52:31,008 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2023-02-15 10:52:31,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 34 [2023-02-15 10:52:31,022 INFO L321 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2023-02-15 10:52:31,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 30 [2023-02-15 10:52:31,392 INFO L321 Elim1Store]: treesize reduction 62, result has 24.4 percent of original size [2023-02-15 10:52:31,393 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 275 treesize of output 246 [2023-02-15 10:52:31,448 INFO L321 Elim1Store]: treesize reduction 120, result has 24.5 percent of original size [2023-02-15 10:52:31,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 256 treesize of output 254 [2023-02-15 10:52:31,453 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 74 treesize of output 35 [2023-02-15 10:52:31,464 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:52:31,577 INFO L350 Elim1Store]: Elim1 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 240 treesize of output 236 [2023-02-15 10:52:32,148 INFO L321 Elim1Store]: treesize reduction 107, result has 39.2 percent of original size [2023-02-15 10:52:32,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 372 treesize of output 384 [2023-02-15 10:52:32,308 INFO L321 Elim1Store]: treesize reduction 392, result has 33.6 percent of original size [2023-02-15 10:52:32,308 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 282 treesize of output 411 [2023-02-15 10:52:32,406 INFO L321 Elim1Store]: treesize reduction 159, result has 39.8 percent of original size [2023-02-15 10:52:32,407 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 370 treesize of output 415 [2023-02-15 10:52:32,503 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:52:32,685 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:09,639 INFO L350 Elim1Store]: Elim1 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 5426 treesize of output 5334 [2023-02-15 10:53:10,810 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:10,855 INFO L350 Elim1Store]: Elim1 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 388 treesize of output 368 [2023-02-15 10:53:10,951 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:10,986 INFO L350 Elim1Store]: Elim1 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 651 treesize of output 631 [2023-02-15 10:53:11,085 INFO L350 Elim1Store]: Elim1 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 2423 treesize of output 2411 [2023-02-15 10:53:11,426 INFO L350 Elim1Store]: Elim1 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 1932 treesize of output 1880 [2023-02-15 10:53:31,817 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:31,967 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:31,976 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:31,984 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,030 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,042 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,095 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,105 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,173 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,183 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,233 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,249 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,302 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,315 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,325 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,381 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,710 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,718 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,758 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,882 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,891 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,898 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:32,942 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,045 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,101 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,110 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,155 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,169 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,220 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,227 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,286 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,333 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,387 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,395 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,412 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,462 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,467 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,522 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,543 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,557 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,571 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,583 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,597 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,608 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,619 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,863 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,871 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,881 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:33,972 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,008 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,019 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,028 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,039 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,054 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,117 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,140 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,158 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,174 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,185 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,204 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,212 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,221 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,235 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,256 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,269 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,279 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:53:34,302 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:34,303 INFO L350 Elim1Store]: Elim1 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 2008 treesize of output 1880 [2023-02-15 10:53:34,578 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:34,579 INFO L350 Elim1Store]: Elim1 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 1626 treesize of output 1554 [2023-02-15 10:53:34,778 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:34,779 INFO L350 Elim1Store]: Elim1 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 428 treesize of output 408 [2023-02-15 10:53:34,842 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:34,842 INFO L350 Elim1Store]: Elim1 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 404 treesize of output 368 [2023-02-15 10:53:34,896 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:34,897 INFO L350 Elim1Store]: Elim1 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 420 treesize of output 400 [2023-02-15 10:53:34,958 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:34,959 INFO L350 Elim1Store]: Elim1 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 679 treesize of output 631 [2023-02-15 10:53:35,080 INFO L321 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2023-02-15 10:53:35,081 INFO L350 Elim1Store]: Elim1 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 3284 treesize of output 3088 [2023-02-15 10:54:29,262 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,269 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,276 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,284 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,294 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,308 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,321 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,328 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,335 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,343 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,356 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,363 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,372 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,380 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,393 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,415 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,423 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,434 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,442 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,513 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,533 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,573 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,609 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,616 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,627 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,635 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,642 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,720 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,727 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,734 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,742 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,829 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,837 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,845 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,851 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,907 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,915 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,965 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:29,973 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,082 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,090 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,099 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,107 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,194 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,253 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,262 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,270 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,438 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,467 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,474 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,485 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,578 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,585 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,621 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,629 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,669 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,705 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,715 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,723 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,762 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,802 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,809 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,816 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,864 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,916 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,927 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,936 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,971 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,980 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:30,989 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,003 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,013 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,023 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,031 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,047 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,058 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,069 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,079 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,089 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,098 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,109 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,119 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,138 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,150 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,159 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,170 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,193 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,202 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,213 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,223 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,234 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,244 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,253 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,264 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,275 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,286 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,294 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,315 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,325 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,337 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,347 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,370 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,380 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,389 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,397 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,407 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,416 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,426 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,435 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,448 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,460 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,470 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,486 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,497 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,508 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,520 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,535 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,547 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,558 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,568 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,584 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,596 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,609 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,620 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,636 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,648 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,660 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,673 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,696 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,709 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,721 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,732 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,752 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,765 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,778 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,790 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,811 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,826 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,840 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,851 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,863 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,873 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,885 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,897 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,909 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,920 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,929 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,941 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,966 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:31,977 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:32,000 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:32,012 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:32,025 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:32,037 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:47,950 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:47,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:47,956 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,081 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,233 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,260 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,261 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,264 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,331 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,362 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,363 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,370 INFO L350 Elim1Store]: Elim1 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 265 treesize of output 257 [2023-02-15 10:54:48,575 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:48,580 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:54:48,582 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:48,849 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:49,134 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:49,266 INFO L350 Elim1Store]: Elim1 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 471 treesize of output 461 [2023-02-15 10:54:49,730 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:54:49,875 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:52,711 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,735 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,736 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,739 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,862 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,864 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,865 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:52,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,022 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,060 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,178 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,246 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,319 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,321 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,322 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,431 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,433 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,435 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,557 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,709 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,736 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,737 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,740 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,885 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,937 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,941 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:53,945 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,191 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,214 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,215 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,218 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,279 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,310 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,311 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,317 INFO L350 Elim1Store]: Elim1 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 265 treesize of output 257 [2023-02-15 10:54:54,569 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:54,574 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:54:54,576 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:54,799 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:54,968 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:55,084 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:54:55,088 INFO L350 Elim1Store]: Elim1 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 439 treesize of output 429 [2023-02-15 10:54:55,508 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:58,663 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:58,667 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:58,733 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:58,739 INFO L350 Elim1Store]: Elim1 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 265 treesize of output 257 [2023-02-15 10:54:58,812 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:54:58,815 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:54:59,427 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:54:59,898 INFO L350 Elim1Store]: Elim1 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 489 treesize of output 479 [2023-02-15 10:55:00,428 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:55:00,697 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:55:00,908 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:55:01,209 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:55:35,907 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:35,912 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:35,954 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:35,960 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,195 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,399 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,422 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,425 INFO L350 Elim1Store]: Elim1 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 265 treesize of output 257 [2023-02-15 10:55:36,493 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,497 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,499 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,613 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,750 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,785 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,786 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:36,802 INFO L350 Elim1Store]: Elim1 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 265 treesize of output 257 [2023-02-15 10:55:36,887 INFO L350 Elim1Store]: Elim1 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 1873 treesize of output 1795 [2023-02-15 10:55:37,118 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:37,120 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:37,129 INFO L350 Elim1Store]: Elim1 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 754 treesize of output 704 [2023-02-15 10:55:37,378 INFO L350 Elim1Store]: Elim1 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 755 treesize of output 725 [2023-02-15 10:55:37,482 INFO L350 Elim1Store]: Elim1 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 456 treesize of output 438 [2023-02-15 10:55:37,540 INFO L350 Elim1Store]: Elim1 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 467 treesize of output 431 [2023-02-15 10:55:37,641 INFO L350 Elim1Store]: Elim1 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 490 treesize of output 452 [2023-02-15 10:55:37,729 INFO L350 Elim1Store]: Elim1 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 755 treesize of output 725 [2023-02-15 10:55:37,832 INFO L350 Elim1Store]: Elim1 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 456 treesize of output 438 [2023-02-15 10:55:37,892 INFO L350 Elim1Store]: Elim1 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 467 treesize of output 431 [2023-02-15 10:55:38,105 INFO L350 Elim1Store]: Elim1 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 490 treesize of output 452 [2023-02-15 10:55:38,192 INFO L350 Elim1Store]: Elim1 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 820 treesize of output 786 [2023-02-15 10:55:38,340 INFO L350 Elim1Store]: Elim1 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 898 treesize of output 832 [2023-02-15 10:55:38,565 INFO L350 Elim1Store]: Elim1 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 486 treesize of output 448 [2023-02-15 10:55:38,656 INFO L350 Elim1Store]: Elim1 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 735 treesize of output 705 [2023-02-15 10:55:38,739 INFO L350 Elim1Store]: Elim1 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 463 treesize of output 427 [2023-02-15 10:55:38,828 INFO L350 Elim1Store]: Elim1 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 436 treesize of output 418 [2023-02-15 10:55:39,058 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:55:39,320 INFO L350 Elim1Store]: Elim1 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 489 treesize of output 479 [2023-02-15 10:55:39,696 INFO L350 Elim1Store]: Elim1 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 10 treesize of output 8 [2023-02-15 10:55:40,352 INFO L350 Elim1Store]: Elim1 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 9 treesize of output 7 [2023-02-15 10:55:40,378 INFO L350 Elim1Store]: Elim1 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 1236 treesize of output 1202 [2023-02-15 10:55:40,966 INFO L350 Elim1Store]: Elim1 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 1339 treesize of output 1271 [2023-02-15 10:55:41,534 INFO L350 Elim1Store]: Elim1 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 2705 treesize of output 2627 [2023-02-15 10:55:41,994 INFO L350 Elim1Store]: Elim1 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 1187 treesize of output 1135 [2023-02-15 10:55:42,685 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:42,712 WARN L207 Elim1Store]: Array PQE input equivalent to false [2023-02-15 10:55:42,715 WARN L207 Elim1Store]: Array PQE input equivalent to false