./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/invert_string-3.c -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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 03:45:15,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 03:45:15,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 03:45:15,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 03:45:15,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 03:45:15,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 03:45:15,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 03:45:15,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 03:45:15,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 03:45:15,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 03:45:15,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 03:45:15,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 03:45:15,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 03:45:15,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 03:45:15,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 03:45:15,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 03:45:15,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 03:45:15,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 03:45:15,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 03:45:15,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 03:45:15,133 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 03:45:15,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 03:45:15,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 03:45:15,135 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 03:45:15,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 03:45:15,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 03:45:15,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 03:45:15,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 03:45:15,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 03:45:15,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 03:45:15,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 03:45:15,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 03:45:15,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 03:45:15,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 03:45:15,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 03:45:15,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 03:45:15,145 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 03:45:15,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 03:45:15,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 03:45:15,146 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 03:45:15,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 03:45:15,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 03:45:15,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 03:45:15,171 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 03:45:15,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 03:45:15,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 03:45:15,174 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 03:45:15,175 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 03:45:15,175 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 03:45:15,175 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 03:45:15,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 03:45:15,176 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 03:45:15,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 03:45:15,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 03:45:15,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 03:45:15,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 03:45:15,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 03:45:15,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 03:45:15,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 03:45:15,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 03:45:15,178 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 03:45:15,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 03:45:15,179 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 03:45:15,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 03:45:15,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 03:45:15,180 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 03:45:15,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 03:45:15,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:45:15,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 03:45:15,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 03:45:15,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 03:45:15,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 03:45:15,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 03:45:15,181 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 03:45:15,181 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 03:45:15,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 03:45:15,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2022-07-12 03:45:15,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 03:45:15,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 03:45:15,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 03:45:15,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 03:45:15,426 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 03:45:15,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/invert_string-3.c [2022-07-12 03:45:15,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a8da169/e35f69f733ac450d97d6fbead44df5ac/FLAG0cef05858 [2022-07-12 03:45:15,929 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 03:45:15,930 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c [2022-07-12 03:45:15,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a8da169/e35f69f733ac450d97d6fbead44df5ac/FLAG0cef05858 [2022-07-12 03:45:16,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03a8da169/e35f69f733ac450d97d6fbead44df5ac [2022-07-12 03:45:16,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 03:45:16,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 03:45:16,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 03:45:16,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 03:45:16,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 03:45:16,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0d463b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16, skipping insertion in model container [2022-07-12 03:45:16,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 03:45:16,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 03:45:16,531 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-07-12 03:45:16,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:45:16,556 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 03:45:16,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-07-12 03:45:16,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 03:45:16,593 INFO L208 MainTranslator]: Completed translation [2022-07-12 03:45:16,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16 WrapperNode [2022-07-12 03:45:16,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 03:45:16,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 03:45:16,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 03:45:16,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 03:45:16,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,638 INFO L137 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-07-12 03:45:16,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 03:45:16,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 03:45:16,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 03:45:16,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 03:45:16,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 03:45:16,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 03:45:16,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 03:45:16,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 03:45:16,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (1/1) ... [2022-07-12 03:45:16,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 03:45:16,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:16,712 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) [2022-07-12 03:45:16,730 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 [2022-07-12 03:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 03:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 03:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 03:45:16,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 03:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 03:45:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 03:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 03:45:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 03:45:16,817 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 03:45:16,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 03:45:16,980 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 03:45:16,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 03:45:16,985 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-12 03:45:16,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:45:16 BoogieIcfgContainer [2022-07-12 03:45:16,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 03:45:16,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 03:45:17,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 03:45:17,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 03:45:17,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:45:16" (1/3) ... [2022-07-12 03:45:17,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebe12a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:45:17, skipping insertion in model container [2022-07-12 03:45:17,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:16" (2/3) ... [2022-07-12 03:45:17,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ebe12a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:45:17, skipping insertion in model container [2022-07-12 03:45:17,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:45:16" (3/3) ... [2022-07-12 03:45:17,008 INFO L111 eAbstractionObserver]: Analyzing ICFG invert_string-3.c [2022-07-12 03:45:17,018 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 03:45:17,024 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 03:45:17,070 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 03:45:17,075 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@256484ea, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5523c345 [2022-07-12 03:45:17,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 03:45:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-07-12 03:45:17,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-07-12 03:45:17,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:17,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:17,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:17,090 INFO L85 PathProgramCache]: Analyzing trace with hash -2016449835, now seen corresponding path program 1 times [2022-07-12 03:45:17,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:17,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655831508] [2022-07-12 03:45:17,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:17,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 03:45:17,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:17,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655831508] [2022-07-12 03:45:17,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655831508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:45:17,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:45:17,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 03:45:17,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452952711] [2022-07-12 03:45:17,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:45:17,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 03:45:17,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:17,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 03:45:17,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 03:45:17,456 INFO L87 Difference]: Start difference. First operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 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 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:45:17,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:17,539 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-07-12 03:45:17,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 03:45:17,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-07-12 03:45:17,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:17,547 INFO L225 Difference]: With dead ends: 34 [2022-07-12 03:45:17,548 INFO L226 Difference]: Without dead ends: 16 [2022-07-12 03:45:17,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 03:45:17,561 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 19 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:17,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:45:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-07-12 03:45:17,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-07-12 03:45:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 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) [2022-07-12 03:45:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-12 03:45:17,596 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 9 [2022-07-12 03:45:17,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:17,597 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-12 03:45:17,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 03:45:17,598 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-07-12 03:45:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-12 03:45:17,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:17,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:17,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 03:45:17,600 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:17,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:17,601 INFO L85 PathProgramCache]: Analyzing trace with hash 867342291, now seen corresponding path program 1 times [2022-07-12 03:45:17,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:17,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236171968] [2022-07-12 03:45:17,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:17,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 03:45:17,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:17,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236171968] [2022-07-12 03:45:17,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236171968] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 03:45:17,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 03:45:17,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 03:45:17,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62735236] [2022-07-12 03:45:17,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:45:17,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 03:45:17,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 03:45:17,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 03:45:17,715 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-07-12 03:45:17,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:17,755 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2022-07-12 03:45:17,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 03:45:17,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 [2022-07-12 03:45:17,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:17,758 INFO L225 Difference]: With dead ends: 28 [2022-07-12 03:45:17,758 INFO L226 Difference]: Without dead ends: 17 [2022-07-12 03:45:17,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 03:45:17,763 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:17,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:45:17,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-07-12 03:45:17,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-07-12 03:45:17,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 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) [2022-07-12 03:45:17,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2022-07-12 03:45:17,777 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2022-07-12 03:45:17,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:17,791 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2022-07-12 03:45:17,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2022-07-12 03:45:17,792 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-07-12 03:45:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-07-12 03:45:17,792 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:17,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:17,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 03:45:17,792 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:17,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:17,793 INFO L85 PathProgramCache]: Analyzing trace with hash 2031054225, now seen corresponding path program 1 times [2022-07-12 03:45:17,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:17,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822472886] [2022-07-12 03:45:17,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:17,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:17,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 03:45:17,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:17,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822472886] [2022-07-12 03:45:17,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822472886] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:45:17,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141689914] [2022-07-12 03:45:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:17,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:17,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:17,932 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) [2022-07-12 03:45:17,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 03:45:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:18,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 34 conjunts are in the unsatisfiable core [2022-07-12 03:45:18,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:45:18,132 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-12 03:45:18,244 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 54 treesize of output 49 [2022-07-12 03:45:18,263 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 12 [2022-07-12 03:45:18,268 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-07-12 03:45:18,327 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 17 [2022-07-12 03:45:18,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:18,518 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:18,519 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 20 [2022-07-12 03:45:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 03:45:18,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:45:18,752 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-12 03:45:18,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 330 treesize of output 1 [2022-07-12 03:45:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-12 03:45:18,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141689914] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 03:45:18,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 03:45:18,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 8] total 17 [2022-07-12 03:45:18,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265570977] [2022-07-12 03:45:18,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 03:45:18,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 03:45:18,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:18,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 03:45:18,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-07-12 03:45:18,756 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 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) [2022-07-12 03:45:19,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:19,371 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2022-07-12 03:45:19,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 03:45:19,371 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 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 13 [2022-07-12 03:45:19,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:19,372 INFO L225 Difference]: With dead ends: 50 [2022-07-12 03:45:19,372 INFO L226 Difference]: Without dead ends: 39 [2022-07-12 03:45:19,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=205, Invalid=607, Unknown=0, NotChecked=0, Total=812 [2022-07-12 03:45:19,374 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 52 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:19,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 70 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 03:45:19,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-07-12 03:45:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 23. [2022-07-12 03:45:19,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 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) [2022-07-12 03:45:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-07-12 03:45:19,379 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2022-07-12 03:45:19,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:19,379 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-07-12 03:45:19,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.0) internal successors, (34), 17 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) [2022-07-12 03:45:19,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-07-12 03:45:19,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 03:45:19,380 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:19,380 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:19,408 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 03:45:19,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:19,598 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:19,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:19,599 INFO L85 PathProgramCache]: Analyzing trace with hash -799235507, now seen corresponding path program 2 times [2022-07-12 03:45:19,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:19,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736021072] [2022-07-12 03:45:19,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:19,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:19,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 03:45:19,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:19,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736021072] [2022-07-12 03:45:19,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736021072] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:45:19,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813790787] [2022-07-12 03:45:19,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 03:45:19,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:19,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:19,796 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) [2022-07-12 03:45:19,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 03:45:19,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 03:45:19,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 03:45:19,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 33 conjunts are in the unsatisfiable core [2022-07-12 03:45:19,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:45:19,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-12 03:45:20,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 19 [2022-07-12 03:45:20,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:20,310 INFO L356 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2022-07-12 03:45:20,310 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 23 [2022-07-12 03:45:20,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 03:45:20,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:45:20,487 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:20,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 82 treesize of output 78 [2022-07-12 03:45:20,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:20,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-07-12 03:45:20,530 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2022-07-12 03:45:20,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2022-07-12 03:45:20,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 30 [2022-07-12 03:45:20,545 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-12 03:45:20,546 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 1 [2022-07-12 03:45:20,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:20,559 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:20,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 42 [2022-07-12 03:45:20,570 INFO L356 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-07-12 03:45:20,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 1 [2022-07-12 03:45:20,576 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-07-12 03:45:20,576 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2022-07-12 03:45:20,581 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:20,581 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2022-07-12 03:45:20,592 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:20,593 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 80 treesize of output 76 [2022-07-12 03:45:20,627 INFO L356 Elim1Store]: treesize reduction 27, result has 34.1 percent of original size [2022-07-12 03:45:20,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 45 [2022-07-12 03:45:20,638 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-07-12 03:45:20,638 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2022-07-12 03:45:20,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:20,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 1 [2022-07-12 03:45:20,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:20,652 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-07-12 03:45:20,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:20,660 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-12 03:45:20,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-07-12 03:45:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 03:45:20,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813790787] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 03:45:20,793 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 03:45:20,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 10] total 23 [2022-07-12 03:45:20,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307584925] [2022-07-12 03:45:20,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 03:45:20,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-12 03:45:20,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:20,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-12 03:45:20,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2022-07-12 03:45:20,795 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 23 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 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) [2022-07-12 03:45:22,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:22,027 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2022-07-12 03:45:22,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-12 03:45:22,028 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 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 17 [2022-07-12 03:45:22,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:22,029 INFO L225 Difference]: With dead ends: 54 [2022-07-12 03:45:22,029 INFO L226 Difference]: Without dead ends: 44 [2022-07-12 03:45:22,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=354, Invalid=1368, Unknown=0, NotChecked=0, Total=1722 [2022-07-12 03:45:22,030 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 99 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:22,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 75 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 03:45:22,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-12 03:45:22,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 29. [2022-07-12 03:45:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 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) [2022-07-12 03:45:22,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2022-07-12 03:45:22,052 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 17 [2022-07-12 03:45:22,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:22,052 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2022-07-12 03:45:22,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 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) [2022-07-12 03:45:22,052 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2022-07-12 03:45:22,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-12 03:45:22,053 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:22,053 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:22,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 03:45:22,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-12 03:45:22,260 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:22,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:22,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1667973471, now seen corresponding path program 1 times [2022-07-12 03:45:22,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:22,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736611845] [2022-07-12 03:45:22,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:22,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 03:45:22,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:22,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736611845] [2022-07-12 03:45:22,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736611845] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:45:22,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48313760] [2022-07-12 03:45:22,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:22,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:22,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:22,431 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) [2022-07-12 03:45:22,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 03:45:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:22,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 44 conjunts are in the unsatisfiable core [2022-07-12 03:45:22,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:45:22,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-12 03:45:22,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 19 [2022-07-12 03:45:22,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:22,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-07-12 03:45:23,037 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:23,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:23,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 20 [2022-07-12 03:45:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 03:45:23,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:45:23,400 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:23,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 460 treesize of output 428 [2022-07-12 03:45:24,012 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2022-07-12 03:45:24,012 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 28 [2022-07-12 03:45:24,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 218 [2022-07-12 03:45:24,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:24,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,042 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:24,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 236 treesize of output 218 [2022-07-12 03:45:24,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,065 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,073 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:24,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,080 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,083 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,095 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:24,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,128 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:24,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,158 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:24,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,172 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,177 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:24,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 187 [2022-07-12 03:45:24,197 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:24,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 108 [2022-07-12 03:45:24,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,212 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,222 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:24,223 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 199 [2022-07-12 03:45:24,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-07-12 03:45:24,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,258 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,260 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-07-12 03:45:24,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,273 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,273 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:45:24,277 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,282 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 1 [2022-07-12 03:45:24,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,298 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,298 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 1 [2022-07-12 03:45:24,302 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,309 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:45:24,324 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 1 [2022-07-12 03:45:24,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,330 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,332 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-07-12 03:45:24,361 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 96 [2022-07-12 03:45:24,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,380 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2022-07-12 03:45:24,395 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 92 [2022-07-12 03:45:24,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,419 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,424 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:24,431 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:24,449 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:24,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 1 [2022-07-12 03:45:24,465 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:24,465 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 460 treesize of output 428 [2022-07-12 03:45:25,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:25,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 436 treesize of output 400 [2022-07-12 03:45:25,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,389 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:25,393 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 96 [2022-07-12 03:45:25,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,402 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:25,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,405 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,432 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2022-07-12 03:45:25,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,440 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2022-07-12 03:45:25,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,448 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,461 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,462 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 92 [2022-07-12 03:45:25,469 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,474 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,476 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-07-12 03:45:25,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,487 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:25,487 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 199 [2022-07-12 03:45:25,522 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,522 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 1 [2022-07-12 03:45:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,531 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 1 [2022-07-12 03:45:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,540 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,540 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 1 [2022-07-12 03:45:25,551 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,551 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 221 treesize of output 1 [2022-07-12 03:45:25,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,560 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,560 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 1 [2022-07-12 03:45:25,570 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 96 [2022-07-12 03:45:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,591 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:25,591 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 108 [2022-07-12 03:45:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2022-07-12 03:45:25,613 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,618 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,618 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:45:25,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,626 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,630 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-07-12 03:45:25,638 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:25,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:25,644 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:25,644 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:45:26,037 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 03:45:26,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48313760] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 03:45:26,038 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 03:45:26,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15, 15] total 33 [2022-07-12 03:45:26,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697042944] [2022-07-12 03:45:26,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 03:45:26,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-07-12 03:45:26,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-07-12 03:45:26,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=908, Unknown=0, NotChecked=0, Total=1056 [2022-07-12 03:45:26,040 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 33 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) [2022-07-12 03:45:27,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:27,882 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-07-12 03:45:27,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-07-12 03:45:27,882 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 33 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) Word has length 23 [2022-07-12 03:45:27,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:27,883 INFO L225 Difference]: With dead ends: 65 [2022-07-12 03:45:27,883 INFO L226 Difference]: Without dead ends: 56 [2022-07-12 03:45:27,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=396, Invalid=2256, Unknown=0, NotChecked=0, Total=2652 [2022-07-12 03:45:27,888 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 67 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:27,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 72 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 298 Invalid, 0 Unknown, 61 Unchecked, 0.2s Time] [2022-07-12 03:45:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-07-12 03:45:27,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 38. [2022-07-12 03:45:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.162162162162162) internal successors, (43), 37 states have internal predecessors, (43), 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) [2022-07-12 03:45:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-07-12 03:45:27,898 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 23 [2022-07-12 03:45:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:27,899 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-07-12 03:45:27,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 33 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) [2022-07-12 03:45:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-07-12 03:45:27,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-12 03:45:27,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:27,900 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:27,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 03:45:28,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:28,108 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:28,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:28,108 INFO L85 PathProgramCache]: Analyzing trace with hash 492484807, now seen corresponding path program 3 times [2022-07-12 03:45:28,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:28,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625078344] [2022-07-12 03:45:28,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:28,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:28,200 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:45:28,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:28,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625078344] [2022-07-12 03:45:28,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625078344] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:45:28,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123436912] [2022-07-12 03:45:28,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-12 03:45:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:28,202 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) [2022-07-12 03:45:28,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 03:45:28,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-07-12 03:45:28,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 03:45:28,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 03:45:28,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:45:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:45:28,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:45:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:45:28,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123436912] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 03:45:28,325 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 03:45:28,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-07-12 03:45:28,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270084079] [2022-07-12 03:45:28,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 03:45:28,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 03:45:28,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:28,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 03:45:28,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2022-07-12 03:45:28,326 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2022-07-12 03:45:28,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:28,397 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2022-07-12 03:45:28,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 03:45:28,397 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) Word has length 23 [2022-07-12 03:45:28,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:28,398 INFO L225 Difference]: With dead ends: 75 [2022-07-12 03:45:28,398 INFO L226 Difference]: Without dead ends: 44 [2022-07-12 03:45:28,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=78, Unknown=0, NotChecked=0, Total=132 [2022-07-12 03:45:28,399 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 11 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:28,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 34 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 03:45:28,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-07-12 03:45:28,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-07-12 03:45:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.1395348837209303) internal successors, (49), 43 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) [2022-07-12 03:45:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2022-07-12 03:45:28,407 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 23 [2022-07-12 03:45:28,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:28,408 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2022-07-12 03:45:28,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 11 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) [2022-07-12 03:45:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-07-12 03:45:28,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-12 03:45:28,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:28,409 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:28,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-12 03:45:28,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:28,612 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:28,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:28,613 INFO L85 PathProgramCache]: Analyzing trace with hash 2015456385, now seen corresponding path program 4 times [2022-07-12 03:45:28,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:28,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786751296] [2022-07-12 03:45:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:28,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:29,345 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-12 03:45:29,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:29,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786751296] [2022-07-12 03:45:29,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786751296] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:45:29,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303062355] [2022-07-12 03:45:29,346 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-12 03:45:29,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:29,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:29,347 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) [2022-07-12 03:45:29,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 03:45:29,401 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-12 03:45:29,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 03:45:29,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 46 conjunts are in the unsatisfiable core [2022-07-12 03:45:29,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:45:29,408 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-12 03:45:29,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 19 [2022-07-12 03:45:29,981 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:29,986 INFO L356 Elim1Store]: treesize reduction 15, result has 16.7 percent of original size [2022-07-12 03:45:29,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 23 [2022-07-12 03:45:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:45:30,004 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:45:30,158 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:30,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 82 treesize of output 78 [2022-07-12 03:45:30,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:30,186 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:30,186 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 42 [2022-07-12 03:45:30,192 INFO L356 Elim1Store]: treesize reduction 42, result has 2.3 percent of original size [2022-07-12 03:45:30,193 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 1 [2022-07-12 03:45:30,196 INFO L356 Elim1Store]: treesize reduction 19, result has 5.0 percent of original size [2022-07-12 03:45:30,196 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2022-07-12 03:45:30,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:30,202 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 17 [2022-07-12 03:45:30,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:30,209 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-12 03:45:30,209 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 1 [2022-07-12 03:45:30,216 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:30,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 80 treesize of output 76 [2022-07-12 03:45:30,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:30,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 16 [2022-07-12 03:45:30,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:45:30,255 INFO L356 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-07-12 03:45:30,256 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 1 [2022-07-12 03:45:30,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:30,269 INFO L356 Elim1Store]: treesize reduction 5, result has 68.8 percent of original size [2022-07-12 03:45:30,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 39 [2022-07-12 03:45:30,277 INFO L356 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-07-12 03:45:30,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 1 [2022-07-12 03:45:30,282 INFO L356 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2022-07-12 03:45:30,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 1 [2022-07-12 03:45:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:45:30,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303062355] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 03:45:30,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 03:45:30,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 16] total 46 [2022-07-12 03:45:30,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886574276] [2022-07-12 03:45:30,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 03:45:30,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-12 03:45:30,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:45:30,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-12 03:45:30,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1775, Unknown=0, NotChecked=0, Total=2070 [2022-07-12 03:45:30,755 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 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) [2022-07-12 03:45:38,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:45:38,853 INFO L93 Difference]: Finished difference Result 166 states and 175 transitions. [2022-07-12 03:45:38,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2022-07-12 03:45:38,853 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 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 29 [2022-07-12 03:45:38,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:45:38,855 INFO L225 Difference]: With dead ends: 166 [2022-07-12 03:45:38,855 INFO L226 Difference]: Without dead ends: 164 [2022-07-12 03:45:38,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3988 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=2422, Invalid=12830, Unknown=0, NotChecked=0, Total=15252 [2022-07-12 03:45:38,859 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 445 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 1700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 03:45:38,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 512 Invalid, 1700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 03:45:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-07-12 03:45:38,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 41. [2022-07-12 03:45:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.125) internal successors, (45), 40 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) [2022-07-12 03:45:38,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2022-07-12 03:45:38,870 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 29 [2022-07-12 03:45:38,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:45:38,871 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2022-07-12 03:45:38,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 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) [2022-07-12 03:45:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2022-07-12 03:45:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-12 03:45:38,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:45:38,872 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:45:38,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 03:45:39,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:39,089 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:45:39,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:45:39,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1871551151, now seen corresponding path program 2 times [2022-07-12 03:45:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:45:39,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241654082] [2022-07-12 03:45:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:45:39,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:45:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:45:39,229 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-07-12 03:45:39,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:45:39,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241654082] [2022-07-12 03:45:39,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241654082] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:45:39,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117759366] [2022-07-12 03:45:39,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-12 03:45:39,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:45:39,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:45:39,231 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) [2022-07-12 03:45:39,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 03:45:39,291 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-12 03:45:39,291 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 03:45:39,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 54 conjunts are in the unsatisfiable core [2022-07-12 03:45:39,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:45:39,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-12 03:45:39,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 20 [2022-07-12 03:45:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:39,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-07-12 03:45:39,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:39,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-07-12 03:45:40,164 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:40,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:40,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 20 [2022-07-12 03:45:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:45:40,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:45:48,597 WARN L233 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 03:45:52,337 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:52,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 486 treesize of output 458 [2022-07-12 03:45:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:52,819 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:52,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3031 treesize of output 2731 [2022-07-12 03:45:53,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:53,508 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:53,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2191 treesize of output 1943 [2022-07-12 03:45:54,978 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:54,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2983 treesize of output 2743 [2022-07-12 03:45:55,702 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:55,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2983 treesize of output 1 [2022-07-12 03:45:55,714 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:55,714 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1856 treesize of output 1752 [2022-07-12 03:45:55,934 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:55,940 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 183 [2022-07-12 03:45:55,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:55,955 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:55,985 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:55,986 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2143 treesize of output 1960 [2022-07-12 03:45:58,001 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,007 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:58,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 92 [2022-07-12 03:45:58,017 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:58,019 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,032 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:45:58,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 113 [2022-07-12 03:45:58,057 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:45:58,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1128 treesize of output 980 [2022-07-12 03:45:58,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:58,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,145 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,151 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:45:58,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:45:58,175 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:45:58,175 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2143 treesize of output 1955 [2022-07-12 03:46:01,029 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,036 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:46:01,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 108 [2022-07-12 03:46:01,050 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,051 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,056 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,062 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2022-07-12 03:46:01,066 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,072 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,072 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 456 treesize of output 1 [2022-07-12 03:46:01,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,079 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,085 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:46:01,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,090 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,093 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,094 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,116 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,116 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 3031 treesize of output 1 [2022-07-12 03:46:01,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,134 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,134 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 1 [2022-07-12 03:46:01,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,141 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,148 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,155 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:46:01,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,169 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,169 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 480 treesize of output 1 [2022-07-12 03:46:01,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,175 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,181 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,181 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:46:01,189 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,190 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,195 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,195 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:46:01,200 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,201 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,206 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:01,207 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:46:01,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:46:01,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,225 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 63 [2022-07-12 03:46:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,251 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,257 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:46:01,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,269 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:46:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,278 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,283 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,286 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:46:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,295 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,296 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:46:01,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,304 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,315 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,326 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:46:01,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,344 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:46:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,352 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:46:01,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,362 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:46:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:01,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,372 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:46:01,435 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:46:01,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 486 treesize of output 458 [2022-07-12 03:46:02,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:46:02,848 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:46:02,848 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 6016 treesize of output 5416 [2022-07-12 03:47:59,350 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:47:59,350 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3667 treesize of output 3459 [2022-07-12 03:47:59,642 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:47:59,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 201 treesize of output 183 [2022-07-12 03:47:59,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:47:59,657 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:47:59,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:47:59,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:47:59,677 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:47:59,678 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2350 treesize of output 1975 [2022-07-12 03:48:01,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:01,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:01,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:01,095 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:01,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:01,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:01,114 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:48:01,114 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 6016 treesize of output 5428 [2022-07-12 03:48:15,802 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:15,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3945 treesize of output 3545 [2022-07-12 03:48:20,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:20,810 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:20,811 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 254 treesize of output 212 [2022-07-12 03:48:20,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:20,849 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:48:20,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 4041 treesize of output 3557 [2022-07-12 03:48:23,706 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,716 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:48:23,716 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 278 treesize of output 224 [2022-07-12 03:48:23,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,746 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,753 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:23,753 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,760 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,767 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:23,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:23,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,771 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,778 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:23,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:23,784 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,785 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,789 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,799 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,806 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:23,806 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:23,809 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,810 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,817 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:23,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:23,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,826 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:23,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:23,853 INFO L356 Elim1Store]: treesize reduction 5, result has 70.6 percent of original size [2022-07-12 03:48:23,853 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 6016 treesize of output 5428 [2022-07-12 03:48:24,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:24,975 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:24,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 6016 treesize of output 1 [2022-07-12 03:48:24,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:24,982 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:24,988 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:24,989 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:48:24,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:24,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:24,999 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:24,999 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:25,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:25,015 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:48:25,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 2350 treesize of output 1975 [2022-07-12 03:48:27,471 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,472 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,478 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,478 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:27,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,489 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,508 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 6016 treesize of output 1 [2022-07-12 03:48:27,524 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3667 treesize of output 3459 [2022-07-12 03:48:27,733 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,738 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 238 treesize of output 220 [2022-07-12 03:48:27,757 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,758 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,766 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,773 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,774 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:48:27,780 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,786 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,786 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 492 treesize of output 1 [2022-07-12 03:48:27,793 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,794 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,797 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,798 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,804 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,812 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,819 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:48:27,823 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,837 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 480 treesize of output 1 [2022-07-12 03:48:27,844 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,845 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,851 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:48:27,858 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,859 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,880 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:27,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,903 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 725 treesize of output 1 [2022-07-12 03:48:27,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,913 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,922 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,923 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:27,927 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,928 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,935 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:27,941 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,942 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,960 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,961 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,972 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,972 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:27,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,978 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:27,987 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:27,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:27,992 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,993 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:27,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,010 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,021 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,033 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 743 treesize of output 1 [2022-07-12 03:48:28,040 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,051 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 492 treesize of output 1 [2022-07-12 03:48:28,057 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,059 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,078 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,088 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,096 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,096 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:48:28,099 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,100 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,105 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,109 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,115 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 1 [2022-07-12 03:48:28,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,119 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,125 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:28,128 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,136 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:28,146 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,147 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,156 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:28,161 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,162 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,170 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,171 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:28,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,196 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,197 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 147 treesize of output 1 [2022-07-12 03:48:28,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,202 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,212 INFO L356 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2022-07-12 03:48:28,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 1 [2022-07-12 03:48:28,220 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,221 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,227 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,237 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,239 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,244 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,245 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,250 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,251 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,255 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,256 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,266 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,287 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,291 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,294 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 96 [2022-07-12 03:48:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,305 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,317 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,318 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,334 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,335 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,341 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,345 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,351 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,354 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,366 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,380 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,381 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,386 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,390 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,401 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,410 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,427 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,428 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,438 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,450 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,453 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,454 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,485 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,506 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,519 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,532 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,550 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,556 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,557 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,565 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,571 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,580 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,586 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,602 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,603 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,621 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,622 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,639 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,640 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,649 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,655 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,656 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,675 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,676 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,693 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,705 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,712 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,723 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,729 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,747 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,756 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,763 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,764 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,779 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,786 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,806 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,807 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,830 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,831 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,845 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,853 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 85 [2022-07-12 03:48:28,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,886 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,897 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,898 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,908 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 57 [2022-07-12 03:48:28,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,912 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2022-07-12 03:48:28,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-12 03:48:28,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:28,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:48:29,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117759366] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 03:48:29,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 03:48:29,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 19, 19] total 42 [2022-07-12 03:48:29,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568254302] [2022-07-12 03:48:29,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 03:48:29,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-07-12 03:48:29,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:48:29,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-07-12 03:48:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=198, Invalid=1523, Unknown=1, NotChecked=0, Total=1722 [2022-07-12 03:48:29,553 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 42 states have internal predecessors, (71), 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) [2022-07-12 03:48:43,199 WARN L233 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 123 DAG size of output: 67 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-07-12 03:48:45,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:48:45,459 INFO L93 Difference]: Finished difference Result 82 states and 88 transitions. [2022-07-12 03:48:45,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-12 03:48:45,460 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 42 states have internal predecessors, (71), 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 35 [2022-07-12 03:48:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:48:45,461 INFO L225 Difference]: With dead ends: 82 [2022-07-12 03:48:45,461 INFO L226 Difference]: Without dead ends: 69 [2022-07-12 03:48:45,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 37 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=487, Invalid=3542, Unknown=3, NotChecked=0, Total=4032 [2022-07-12 03:48:45,462 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 75 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 98 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 03:48:45,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 96 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 396 Invalid, 0 Unknown, 98 Unchecked, 0.3s Time] [2022-07-12 03:48:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-07-12 03:48:45,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 54. [2022-07-12 03:48:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 53 states have internal predecessors, (59), 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) [2022-07-12 03:48:45,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2022-07-12 03:48:45,483 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 35 [2022-07-12 03:48:45,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:48:45,483 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2022-07-12 03:48:45,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 42 states have internal predecessors, (71), 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) [2022-07-12 03:48:45,483 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-07-12 03:48:45,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-07-12 03:48:45,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:48:45,484 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:48:45,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-12 03:48:45,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:48:45,688 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:48:45,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:48:45,688 INFO L85 PathProgramCache]: Analyzing trace with hash -891416107, now seen corresponding path program 3 times [2022-07-12 03:48:45,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:48:45,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890005298] [2022-07-12 03:48:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:48:45,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:48:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:48:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 03:48:45,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:48:45,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890005298] [2022-07-12 03:48:45,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890005298] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:48:45,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851149457] [2022-07-12 03:48:45,837 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-07-12 03:48:45,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:48:45,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:48:45,852 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) [2022-07-12 03:48:45,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-12 03:48:46,093 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-07-12 03:48:46,093 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 03:48:46,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-12 03:48:46,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:48:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 32 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-12 03:48:46,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:48:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 03:48:46,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851149457] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 03:48:46,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-12 03:48:46,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9, 14] total 22 [2022-07-12 03:48:46,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892592786] [2022-07-12 03:48:46,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 03:48:46,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 03:48:46,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 03:48:46,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 03:48:46,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462 [2022-07-12 03:48:46,339 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 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) [2022-07-12 03:48:46,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 03:48:46,513 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2022-07-12 03:48:46,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 03:48:46,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 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) Word has length 35 [2022-07-12 03:48:46,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 03:48:46,514 INFO L225 Difference]: With dead ends: 79 [2022-07-12 03:48:46,515 INFO L226 Difference]: Without dead ends: 57 [2022-07-12 03:48:46,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 53 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=201, Invalid=555, Unknown=0, NotChecked=0, Total=756 [2022-07-12 03:48:46,516 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 67 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 03:48:46,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 31 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 03:48:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-07-12 03:48:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 42. [2022-07-12 03:48:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.048780487804878) internal successors, (43), 41 states have internal predecessors, (43), 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) [2022-07-12 03:48:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2022-07-12 03:48:46,534 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 35 [2022-07-12 03:48:46,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 03:48:46,534 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2022-07-12 03:48:46,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 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) [2022-07-12 03:48:46,535 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2022-07-12 03:48:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-12 03:48:46,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 03:48:46,535 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 03:48:46,553 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-12 03:48:46,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:48:46,747 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 03:48:46,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 03:48:46,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1950301565, now seen corresponding path program 4 times [2022-07-12 03:48:46,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 03:48:46,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401099450] [2022-07-12 03:48:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 03:48:46,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 03:48:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 03:48:47,819 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-12 03:48:47,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 03:48:47,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401099450] [2022-07-12 03:48:47,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401099450] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 03:48:47,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310845166] [2022-07-12 03:48:47,820 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-07-12 03:48:47,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 03:48:47,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 03:48:47,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 03:48:47,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-12 03:48:47,886 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-07-12 03:48:47,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-12 03:48:47,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 75 conjunts are in the unsatisfiable core [2022-07-12 03:48:47,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 03:48:47,894 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-07-12 03:48:48,087 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 17 [2022-07-12 03:48:48,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-07-12 03:48:48,400 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-07-12 03:48:48,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-07-12 03:48:49,075 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:49,076 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-12 03:48:49,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 20 [2022-07-12 03:48:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-12 03:48:49,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 03:48:50,050 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-12 03:48:50,050 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9152 treesize of output 8616