./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/array-cav19/array_init_pair_symmetr2.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 f4be101f7178215c00042c8ccd8c0b0b352a1fbf ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 18:38:19,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 18:38:19,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 18:38:19,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 18:38:19,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 18:38:19,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 18:38:19,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 18:38:19,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 18:38:19,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 18:38:19,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 18:38:19,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 18:38:19,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 18:38:19,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 18:38:19,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 18:38:19,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 18:38:19,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 18:38:19,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 18:38:19,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 18:38:19,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 18:38:19,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 18:38:19,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 18:38:19,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 18:38:19,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 18:38:19,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 18:38:19,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 18:38:19,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 18:38:19,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 18:38:19,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 18:38:19,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 18:38:19,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 18:38:19,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 18:38:19,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 18:38:19,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 18:38:19,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 18:38:19,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 18:38:19,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 18:38:19,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 18:38:19,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 18:38:19,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 18:38:19,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 18:38:19,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 18:38:19,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 18:38:19,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 18:38:19,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 18:38:19,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 18:38:19,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 18:38:19,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 18:38:19,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 18:38:19,171 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 18:38:19,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 18:38:19,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 18:38:19,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 18:38:19,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 18:38:19,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 18:38:19,173 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 18:38:19,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 18:38:19,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 18:38:19,173 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 18:38:19,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 18:38:19,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 18:38:19,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 18:38:19,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 18:38:19,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 18:38:19,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 18:38:19,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 18:38:19,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 18:38:19,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 18:38:19,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 18:38:19,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 18:38:19,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 18:38:19,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 18:38:19,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 18:38:19,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4be101f7178215c00042c8ccd8c0b0b352a1fbf [2021-08-25 18:38:19,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 18:38:19,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 18:38:19,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 18:38:19,511 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 18:38:19,511 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 18:38:19,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2021-08-25 18:38:19,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6dc615eb/b0d62af42d664dc7a76d568a7c0d4a5b/FLAG4dbffc64a [2021-08-25 18:38:20,028 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 18:38:20,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2021-08-25 18:38:20,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6dc615eb/b0d62af42d664dc7a76d568a7c0d4a5b/FLAG4dbffc64a [2021-08-25 18:38:20,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6dc615eb/b0d62af42d664dc7a76d568a7c0d4a5b [2021-08-25 18:38:20,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 18:38:20,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 18:38:20,428 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 18:38:20,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 18:38:20,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 18:38:20,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bd6511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20, skipping insertion in model container [2021-08-25 18:38:20,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 18:38:20,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 18:38:20,565 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2021-08-25 18:38:20,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 18:38:20,591 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 18:38:20,602 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c[415,428] [2021-08-25 18:38:20,609 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 18:38:20,620 INFO L208 MainTranslator]: Completed translation [2021-08-25 18:38:20,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20 WrapperNode [2021-08-25 18:38:20,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 18:38:20,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 18:38:20,622 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 18:38:20,622 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 18:38:20,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 18:38:20,719 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 18:38:20,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 18:38:20,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 18:38:20,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 18:38:20,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 18:38:20,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 18:38:20,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 18:38:20,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (1/1) ... [2021-08-25 18:38:20,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 18:38:20,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 18:38:20,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 18:38:20,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 18:38:20,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 18:38:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 18:38:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-25 18:38:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 18:38:20,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 18:38:20,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-25 18:38:20,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-25 18:38:21,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 18:38:21,186 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-08-25 18:38:21,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 06:38:21 BoogieIcfgContainer [2021-08-25 18:38:21,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 18:38:21,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 18:38:21,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 18:38:21,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 18:38:21,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 06:38:20" (1/3) ... [2021-08-25 18:38:21,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240f7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 06:38:21, skipping insertion in model container [2021-08-25 18:38:21,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 06:38:20" (2/3) ... [2021-08-25 18:38:21,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@240f7363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 06:38:21, skipping insertion in model container [2021-08-25 18:38:21,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 06:38:21" (3/3) ... [2021-08-25 18:38:21,194 INFO L111 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2021-08-25 18:38:21,198 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 18:38:21,199 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 18:38:21,252 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 18:38:21,258 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 18:38:21,258 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 18:38:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:21,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-25 18:38:21,278 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 18:38:21,278 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 18:38:21,279 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 18:38:21,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 18:38:21,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1098106774, now seen corresponding path program 1 times [2021-08-25 18:38:21,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 18:38:21,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366348136] [2021-08-25 18:38:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:21,297 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 18:38:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:21,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 18:38:21,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 18:38:21,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366348136] [2021-08-25 18:38:21,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366348136] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 18:38:21,468 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 18:38:21,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 18:38:21,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741035517] [2021-08-25 18:38:21,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-25 18:38:21,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 18:38:21,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-25 18:38:21,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-25 18:38:21,498 INFO L87 Difference]: Start difference. First operand has 24 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 18:38:21,512 INFO L93 Difference]: Finished difference Result 46 states and 64 transitions. [2021-08-25 18:38:21,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-25 18:38:21,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-08-25 18:38:21,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 18:38:21,520 INFO L225 Difference]: With dead ends: 46 [2021-08-25 18:38:21,520 INFO L226 Difference]: Without dead ends: 20 [2021-08-25 18:38:21,523 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-25 18:38:21,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-08-25 18:38:21,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-08-25 18:38:21,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:21,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-08-25 18:38:21,550 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 9 [2021-08-25 18:38:21,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 18:38:21,550 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-08-25 18:38:21,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-08-25 18:38:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-08-25 18:38:21,552 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 18:38:21,552 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 18:38:21,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 18:38:21,553 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 18:38:21,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 18:38:21,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1395197259, now seen corresponding path program 1 times [2021-08-25 18:38:21,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 18:38:21,557 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513989692] [2021-08-25 18:38:21,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:21,557 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 18:38:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 18:38:21,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 18:38:21,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513989692] [2021-08-25 18:38:21,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513989692] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 18:38:21,650 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 18:38:21,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 18:38:21,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062383120] [2021-08-25 18:38:21,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 18:38:21,652 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 18:38:21,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 18:38:21,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 18:38:21,655 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:21,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 18:38:21,725 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-08-25 18:38:21,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 18:38:21,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-08-25 18:38:21,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 18:38:21,728 INFO L225 Difference]: With dead ends: 40 [2021-08-25 18:38:21,728 INFO L226 Difference]: Without dead ends: 30 [2021-08-25 18:38:21,729 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 18:38:21,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-08-25 18:38:21,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 22. [2021-08-25 18:38:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 21 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) [2021-08-25 18:38:21,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-08-25 18:38:21,738 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 9 [2021-08-25 18:38:21,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 18:38:21,739 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-08-25 18:38:21,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-08-25 18:38:21,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-25 18:38:21,740 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 18:38:21,740 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 18:38:21,740 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 18:38:21,741 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 18:38:21,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 18:38:21,749 INFO L82 PathProgramCache]: Analyzing trace with hash 888694178, now seen corresponding path program 1 times [2021-08-25 18:38:21,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 18:38:21,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113733706] [2021-08-25 18:38:21,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:21,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 18:38:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-25 18:38:21,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 18:38:21,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113733706] [2021-08-25 18:38:21,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113733706] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:21,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968642598] [2021-08-25 18:38:21,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:21,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:21,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 18:38:21,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 18:38:21,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 18:38:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:22,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 18:38:22,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 18:38:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-25 18:38:22,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968642598] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:22,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 18:38:22,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 18:38:22,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51468118] [2021-08-25 18:38:22,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 18:38:22,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 18:38:22,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 18:38:22,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-25 18:38:22,307 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:22,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 18:38:22,380 INFO L93 Difference]: Finished difference Result 57 states and 62 transitions. [2021-08-25 18:38:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 18:38:22,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-25 18:38:22,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 18:38:22,383 INFO L225 Difference]: With dead ends: 57 [2021-08-25 18:38:22,383 INFO L226 Difference]: Without dead ends: 46 [2021-08-25 18:38:22,384 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 53.1ms TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-08-25 18:38:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-08-25 18:38:22,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 32. [2021-08-25 18:38:22,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.096774193548387) internal successors, (34), 31 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) [2021-08-25 18:38:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2021-08-25 18:38:22,394 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 19 [2021-08-25 18:38:22,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 18:38:22,395 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2021-08-25 18:38:22,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2021-08-25 18:38:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-08-25 18:38:22,397 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 18:38:22,397 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 18:38:22,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 18:38:22,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:22,621 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 18:38:22,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 18:38:22,622 INFO L82 PathProgramCache]: Analyzing trace with hash 595210895, now seen corresponding path program 2 times [2021-08-25 18:38:22,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 18:38:22,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543289445] [2021-08-25 18:38:22,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:22,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 18:38:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-25 18:38:22,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 18:38:22,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543289445] [2021-08-25 18:38:22,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543289445] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:22,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655232419] [2021-08-25 18:38:22,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-08-25 18:38:22,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:22,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 18:38:22,704 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 18:38:22,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 18:38:22,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-08-25 18:38:22,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-25 18:38:22,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 18:38:22,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 18:38:23,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-25 18:38:23,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655232419] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:23,052 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 18:38:23,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-08-25 18:38:23,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379568985] [2021-08-25 18:38:23,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-25 18:38:23,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 18:38:23,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-25 18:38:23,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2021-08-25 18:38:23,056 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 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) [2021-08-25 18:38:23,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 18:38:23,141 INFO L93 Difference]: Finished difference Result 75 states and 80 transitions. [2021-08-25 18:38:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-25 18:38:23,142 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 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) Word has length 29 [2021-08-25 18:38:23,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 18:38:23,144 INFO L225 Difference]: With dead ends: 75 [2021-08-25 18:38:23,144 INFO L226 Difference]: Without dead ends: 62 [2021-08-25 18:38:23,145 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 39.3ms TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2021-08-25 18:38:23,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-08-25 18:38:23,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 42. [2021-08-25 18:38:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2021-08-25 18:38:23,155 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 29 [2021-08-25 18:38:23,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 18:38:23,155 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2021-08-25 18:38:23,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.0) internal successors, (45), 8 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) [2021-08-25 18:38:23,155 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2021-08-25 18:38:23,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-08-25 18:38:23,156 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 18:38:23,157 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 18:38:23,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 18:38:23,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-08-25 18:38:23,375 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 18:38:23,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 18:38:23,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1584836228, now seen corresponding path program 3 times [2021-08-25 18:38:23,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 18:38:23,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137877817] [2021-08-25 18:38:23,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:23,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 18:38:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:23,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-25 18:38:23,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 18:38:23,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137877817] [2021-08-25 18:38:23,513 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137877817] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:23,513 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419235212] [2021-08-25 18:38:23,513 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-08-25 18:38:23,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:23,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 18:38:23,521 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 18:38:23,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 18:38:23,654 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-08-25 18:38:23,654 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-25 18:38:23,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 18:38:23,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 18:38:23,996 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-08-25 18:38:23,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419235212] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:23,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 18:38:23,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-08-25 18:38:23,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44179965] [2021-08-25 18:38:23,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-08-25 18:38:23,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 18:38:23,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-08-25 18:38:23,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2021-08-25 18:38:23,999 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:24,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 18:38:24,087 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2021-08-25 18:38:24,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 18:38:24,088 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 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 39 [2021-08-25 18:38:24,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 18:38:24,088 INFO L225 Difference]: With dead ends: 93 [2021-08-25 18:38:24,089 INFO L226 Difference]: Without dead ends: 78 [2021-08-25 18:38:24,089 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 64.2ms TimeCoverageRelationStatistics Valid=49, Invalid=61, Unknown=0, NotChecked=0, Total=110 [2021-08-25 18:38:24,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-08-25 18:38:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 52. [2021-08-25 18:38:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.0588235294117647) internal successors, (54), 51 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-08-25 18:38:24,095 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 39 [2021-08-25 18:38:24,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 18:38:24,095 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-08-25 18:38:24,095 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-08-25 18:38:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-08-25 18:38:24,097 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 18:38:24,097 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 18:38:24,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 18:38:24,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:24,305 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 18:38:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 18:38:24,306 INFO L82 PathProgramCache]: Analyzing trace with hash -2033536407, now seen corresponding path program 4 times [2021-08-25 18:38:24,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 18:38:24,306 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970390920] [2021-08-25 18:38:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 18:38:24,306 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 18:38:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 18:38:24,422 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-08-25 18:38:24,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 18:38:24,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970390920] [2021-08-25 18:38:24,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970390920] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:24,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666490942] [2021-08-25 18:38:24,423 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-08-25 18:38:24,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:24,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 18:38:24,425 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 18:38:24,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 18:38:24,551 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-08-25 18:38:24,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-08-25 18:38:24,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 33 conjunts are in the unsatisfiable core [2021-08-25 18:38:24,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 18:38:24,619 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-08-25 18:38:24,620 INFO L388 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 19 [2021-08-25 18:38:24,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 26 [2021-08-25 18:38:25,248 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-08-25 18:38:25,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 44 [2021-08-25 18:38:25,484 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-08-25 18:38:25,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 47 [2021-08-25 18:38:25,617 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-08-25 18:38:25,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 59 [2021-08-25 18:38:25,776 INFO L354 Elim1Store]: treesize reduction 136, result has 8.1 percent of original size [2021-08-25 18:38:25,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 83 treesize of output 100 [2021-08-25 18:38:25,986 INFO L354 Elim1Store]: treesize reduction 144, result has 10.6 percent of original size [2021-08-25 18:38:25,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 99 [2021-08-25 18:38:26,578 INFO L354 Elim1Store]: treesize reduction 1310, result has 7.4 percent of original size [2021-08-25 18:38:26,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 134 treesize of output 157 [2021-08-25 18:38:27,285 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 18:38:27,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666490942] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 18:38:27,286 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 18:38:27,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 18] total 24 [2021-08-25 18:38:27,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641099619] [2021-08-25 18:38:27,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-08-25 18:38:27,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 18:38:27,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-08-25 18:38:27,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=468, Unknown=0, NotChecked=0, Total=552 [2021-08-25 18:38:27,288 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 24 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 18:38:32,803 INFO L93 Difference]: Finished difference Result 81 states and 86 transitions. [2021-08-25 18:38:32,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-08-25 18:38:32,803 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 24 states have internal predecessors, (89), 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 49 [2021-08-25 18:38:32,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 18:38:32,804 INFO L225 Difference]: With dead ends: 81 [2021-08-25 18:38:32,804 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 18:38:32,805 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 1498.9ms TimeCoverageRelationStatistics Valid=328, Invalid=1652, Unknown=0, NotChecked=0, Total=1980 [2021-08-25 18:38:32,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 18:38:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 18:38:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:32,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 18:38:32,806 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2021-08-25 18:38:32,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 18:38:32,806 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 18:38:32,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 24 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 18:38:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 18:38:32,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 18:38:32,809 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 18:38:32,827 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 18:38:33,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 18:38:33,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 18:38:33,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 18:38:33,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 18:38:33,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 18:38:33,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 18:38:33,555 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 18:38:33,556 INFO L857 garLoopResultBuilder]: For program point L32-2(lines 32 33) no Hoare annotation was computed. [2021-08-25 18:38:33,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 18:38:33,556 INFO L853 garLoopResultBuilder]: At program point L32-3(lines 32 33) the Hoare annotation is: false [2021-08-25 18:38:33,556 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 18:38:33,556 INFO L857 garLoopResultBuilder]: For program point L32-4(lines 32 33) no Hoare annotation was computed. [2021-08-25 18:38:33,556 INFO L857 garLoopResultBuilder]: For program point L28-2(lines 28 30) no Hoare annotation was computed. [2021-08-25 18:38:33,557 INFO L853 garLoopResultBuilder]: At program point L28-3(lines 28 30) the Hoare annotation is: (let ((.cse15 (select |#memory_int| |ULTIMATE.start_main_~#c~0.base|)) (.cse16 (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|)) (.cse13 (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|))) (let ((.cse18 (select .cse13 (+ |ULTIMATE.start_main_~#b~0.offset| 4))) (.cse19 (select .cse16 (+ |ULTIMATE.start_main_~#a~0.offset| 4))) (.cse20 (select .cse15 (+ |ULTIMATE.start_main_~#c~0.offset| 4)))) (let ((.cse0 (exists ((v_ULTIMATE.start_main_~i~0_32 Int)) (and (let ((.cse21 (* v_ULTIMATE.start_main_~i~0_32 4))) (= (+ (select (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|) (+ .cse21 |ULTIMATE.start_main_~#b~0.offset|)) (select (select |#memory_int| |ULTIMATE.start_main_~#c~0.base|) (+ .cse21 |ULTIMATE.start_main_~#c~0.offset|))) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ .cse21 |ULTIMATE.start_main_~#a~0.offset|)))) (<= (+ v_ULTIMATE.start_main_~i~0_32 1) ULTIMATE.start_main_~i~0) (<= 2 v_ULTIMATE.start_main_~i~0_32)))) (.cse4 (< 0 .cse20)) (.cse3 (= (select .cse16 |ULTIMATE.start_main_~#a~0.offset|) (+ (select .cse15 |ULTIMATE.start_main_~#c~0.offset|) (select .cse13 |ULTIMATE.start_main_~#b~0.offset|)))) (.cse12 (= (+ .cse18 .cse20) .cse19)) (.cse1 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#b~0.base|))) (.cse17 (< .cse18 .cse19)) (.cse2 (not (= |ULTIMATE.start_main_~#b~0.base| |ULTIMATE.start_main_~#c~0.base|))) (.cse5 (<= 100000 ~N~0)) (.cse11 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#c~0.base|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (exists ((|ULTIMATE.start_main_~#b~0.offset| Int) (|ULTIMATE.start_main_~#b~0.base| Int) (|ULTIMATE.start_main_~#a~0.offset| Int) (ULTIMATE.start_main_~i~0 Int) (|ULTIMATE.start_main_~#a~0.base| Int) (v_ULTIMATE.start_main_~i~0_32 Int)) (let ((.cse8 (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|)) (.cse7 (select |#memory_int| |ULTIMATE.start_main_~#c~0.base|)) (.cse6 (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|))) (and (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#b~0.base|)) (not (= |ULTIMATE.start_main_~#b~0.base| |ULTIMATE.start_main_~#c~0.base|)) (= (select .cse6 |ULTIMATE.start_main_~#a~0.offset|) (+ (select .cse7 |ULTIMATE.start_main_~#c~0.offset|) (select .cse8 |ULTIMATE.start_main_~#b~0.offset|))) (let ((.cse9 (* v_ULTIMATE.start_main_~i~0_32 4))) (= (+ (select .cse8 (+ .cse9 |ULTIMATE.start_main_~#b~0.offset|)) (select .cse7 (+ .cse9 |ULTIMATE.start_main_~#c~0.offset|))) (select .cse6 (+ .cse9 |ULTIMATE.start_main_~#a~0.offset|)))) (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#c~0.base|)) (<= (+ v_ULTIMATE.start_main_~i~0_32 1) ULTIMATE.start_main_~i~0) (let ((.cse10 (* ULTIMATE.start_main_~i~0 4))) (= (select .cse6 (+ |ULTIMATE.start_main_~#a~0.offset| .cse10)) (+ (select .cse8 (+ |ULTIMATE.start_main_~#b~0.offset| .cse10)) (select .cse7 (+ |ULTIMATE.start_main_~#c~0.offset| .cse10))))) (<= 2 v_ULTIMATE.start_main_~i~0_32) (= (+ (select .cse8 (+ |ULTIMATE.start_main_~#b~0.offset| 4)) (select .cse7 (+ |ULTIMATE.start_main_~#c~0.offset| 4))) (select .cse6 (+ |ULTIMATE.start_main_~#a~0.offset| 4)))))) .cse11 .cse12) (and (let ((.cse14 (* ULTIMATE.start_main_~i~0 4))) (= (+ (select .cse13 (+ |ULTIMATE.start_main_~#b~0.offset| (- 4) .cse14)) (select .cse15 (+ |ULTIMATE.start_main_~#c~0.offset| (- 4) .cse14))) (select .cse16 (+ |ULTIMATE.start_main_~#a~0.offset| (- 4) .cse14)))) .cse1 .cse17 .cse2 .cse5 (= ULTIMATE.start_main_~i~0 1) .cse11) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse11 (<= ULTIMATE.start_main_~i~0 3) .cse12) (and .cse1 (<= 2 ULTIMATE.start_main_~i~0) .cse17 .cse2 .cse3 (<= ULTIMATE.start_main_~i~0 2) .cse11 (<= (+ 99998 ULTIMATE.start_main_~i~0) ~N~0) .cse12) (and .cse1 .cse17 .cse2 (= ULTIMATE.start_main_~i~0 0) .cse5 .cse11))))) [2021-08-25 18:38:33,557 INFO L857 garLoopResultBuilder]: For program point L28-4(lines 28 30) no Hoare annotation was computed. [2021-08-25 18:38:33,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-08-25 18:38:33,557 INFO L857 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L857 garLoopResultBuilder]: For program point L8-1(line 8) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L857 garLoopResultBuilder]: For program point L8-3(line 8) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L857 garLoopResultBuilder]: For program point L5(lines 5 7) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L857 garLoopResultBuilder]: For program point L5-1(lines 5 7) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L857 garLoopResultBuilder]: For program point L5-2(lines 5 7) no Hoare annotation was computed. [2021-08-25 18:38:33,558 INFO L860 garLoopResultBuilder]: At program point L34(lines 11 35) the Hoare annotation is: true [2021-08-25 18:38:33,559 INFO L857 garLoopResultBuilder]: For program point L18-2(lines 18 26) no Hoare annotation was computed. [2021-08-25 18:38:33,559 INFO L853 garLoopResultBuilder]: At program point L18-3(lines 18 26) the Hoare annotation is: (let ((.cse1 (< (select (select |#memory_int| |ULTIMATE.start_main_~#b~0.base|) (+ |ULTIMATE.start_main_~#b~0.offset| 4)) (select (select |#memory_int| |ULTIMATE.start_main_~#a~0.base|) (+ |ULTIMATE.start_main_~#a~0.offset| 4)))) (.cse0 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#b~0.base|))) (.cse2 (not (= |ULTIMATE.start_main_~#b~0.base| |ULTIMATE.start_main_~#c~0.base|))) (.cse4 (<= 100000 ~N~0)) (.cse3 (not (= |ULTIMATE.start_main_~#a~0.base| |ULTIMATE.start_main_~#c~0.base|)))) (or (and .cse0 (<= 2 ULTIMATE.start_main_~i~0) .cse1 .cse2 .cse3 (<= (+ 99998 ULTIMATE.start_main_~i~0) ~N~0)) (and .cse0 .cse1 .cse2 (<= 3 ULTIMATE.start_main_~i~0) .cse4 .cse3) (and .cse0 .cse2 .cse4 (= ULTIMATE.start_main_~i~0 1) .cse3) (and .cse0 .cse2 (= ULTIMATE.start_main_~i~0 0) .cse4 .cse3))) [2021-08-25 18:38:33,559 INFO L857 garLoopResultBuilder]: For program point L18-4(lines 18 26) no Hoare annotation was computed. [2021-08-25 18:38:33,559 INFO L857 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2021-08-25 18:38:33,559 INFO L857 garLoopResultBuilder]: For program point L6-2(line 6) no Hoare annotation was computed. [2021-08-25 18:38:33,559 INFO L857 garLoopResultBuilder]: For program point L6-4(line 6) no Hoare annotation was computed. [2021-08-25 18:38:33,563 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 18:38:33,579 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,580 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,581 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,582 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,583 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,584 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,585 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,586 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,587 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,591 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,592 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,593 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,594 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,595 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,596 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,597 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,598 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,599 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 06:38:33 BoogieIcfgContainer [2021-08-25 18:38:33,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 18:38:33,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 18:38:33,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 18:38:33,604 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 18:38:33,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 06:38:21" (3/4) ... [2021-08-25 18:38:33,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 18:38:33,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-08-25 18:38:33,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 18:38:33,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 18:38:33,616 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 18:38:33,634 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && (\exists ULTIMATE.start_main_~#b~0.offset : int, ULTIMATE.start_main_~#b~0.base : int, ULTIMATE.start_main_~#a~0.offset : int, ULTIMATE.start_main_~i~0 : int, ULTIMATE.start_main_~#a~0.base : int, v_ULTIMATE.start_main_~i~0_32 : int :: (((((((!(ULTIMATE.start_main_~#a~0.base == ULTIMATE.start_main_~#b~0.base) && !(ULTIMATE.start_main_~#b~0.base == c)) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#b~0.offset] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#a~0.offset]) && !(ULTIMATE.start_main_~#a~0.base == c)) && v_ULTIMATE.start_main_~i~0_32 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + ULTIMATE.start_main_~i~0 * 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + ULTIMATE.start_main_~i~0 * 4] + unknown-#memory_int-unknown[c][c + ULTIMATE.start_main_~i~0 * 4]) && 2 <= v_ULTIMATE.start_main_~i~0_32) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + 4])) && !(a == c)) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4]) || ((((((unknown-#memory_int-unknown[b][b + -4 + i * 4] + unknown-#memory_int-unknown[c][c + -4 + i * 4] == unknown-#memory_int-unknown[a][a + -4 + i * 4] && !(a == b)) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && 100000 <= N) && i == 1) && !(a == c))) || (((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && !(a == c)) && i <= 3) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || ((((((((!(a == b) && 2 <= i) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && i <= 2) && !(a == c)) && 99998 + i <= N) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || (((((!(a == b) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && i == 0) && 100000 <= N) && !(a == c)) [2021-08-25 18:38:33,645 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 18:38:33,646 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 18:38:33,646 INFO L168 Benchmark]: Toolchain (without parser) took 13219.72 ms. Allocated memory was 58.7 MB in the beginning and 157.3 MB in the end (delta: 98.6 MB). Free memory was 37.7 MB in the beginning and 93.2 MB in the end (delta: -55.5 MB). Peak memory consumption was 42.2 MB. Max. memory is 16.1 GB. [2021-08-25 18:38:33,647 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 40.6 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 18:38:33,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.16 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 27.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-25 18:38:33,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.72 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.6 MB in the beginning and 57.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-25 18:38:33,648 INFO L168 Benchmark]: Boogie Preprocessor took 47.29 ms. Allocated memory is still 73.4 MB. Free memory was 57.2 MB in the beginning and 55.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 18:38:33,648 INFO L168 Benchmark]: RCFGBuilder took 420.23 ms. Allocated memory is still 73.4 MB. Free memory was 55.9 MB in the beginning and 40.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-25 18:38:33,649 INFO L168 Benchmark]: TraceAbstraction took 12414.46 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 39.6 MB in the beginning and 96.4 MB in the end (delta: -56.8 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. [2021-08-25 18:38:33,649 INFO L168 Benchmark]: Witness Printer took 41.89 ms. Allocated memory is still 157.3 MB. Free memory was 96.4 MB in the beginning and 93.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-08-25 18:38:33,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 40.6 MB in the end (delta: 44.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 193.16 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 27.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.72 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 27.6 MB in the beginning and 57.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.29 ms. Allocated memory is still 73.4 MB. Free memory was 57.2 MB in the beginning and 55.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 420.23 ms. Allocated memory is still 73.4 MB. Free memory was 55.9 MB in the beginning and 40.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 12414.46 ms. Allocated memory was 73.4 MB in the beginning and 157.3 MB in the end (delta: 83.9 MB). Free memory was 39.6 MB in the beginning and 96.4 MB in the end (delta: -56.8 MB). Peak memory consumption was 81.0 MB. Max. memory is 16.1 GB. * Witness Printer took 41.89 ms. Allocated memory is still 157.3 MB. Free memory was 96.4 MB in the beginning and 93.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12312.4ms, OverallIterations: 6, TraceHistogramMax: 4, EmptinessCheckTime: 13.6ms, AutomataDifference: 5894.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 544.7ms, InitialAbstractionConstructionTime: 11.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 96 SDtfs, 391 SDslu, 361 SDs, 0 SdLazy, 526 SolverSat, 130 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4593.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 180 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1672.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=5, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 49.0ms AutomataMinimizationTime, 6 MinimizatonAttempts, 68 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 17 NumberOfFragments, 622 HoareAnnotationTreeSize, 4 FomulaSimplifications, 310 FormulaSimplificationTreeSizeReduction, 42.3ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 496.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 68.7ms SsaConstructionTime, 313.8ms SatisfiabilityAnalysisTime, 4074.5ms InterpolantComputationTime, 290 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 280 ConstructedInterpolants, 4 QuantifiedInterpolants, 2708 SizeOfPredicates, 20 NumberOfNonLiveVariables, 495 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 52/240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((!(a == b) && 2 <= i) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && !(a == c)) && 99998 + i <= N) || (((((!(a == b) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && 3 <= i) && 100000 <= N) && !(a == c))) || ((((!(a == b) && !(b == c)) && 100000 <= N) && i == 1) && !(a == c))) || ((((!(a == b) && !(b == c)) && i == 0) && 100000 <= N) && !(a == c)) - InvariantResult [Line: 28]: Loop Invariant [2021-08-25 18:38:33,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,668 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,669 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,670 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,671 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,672 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,673 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,674 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,674 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,674 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,674 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,674 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,675 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,675 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,677 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,678 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,679 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,680 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,680 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,680 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,680 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,680 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,680 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,681 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~i~0,QUANTIFIED] [2021-08-25 18:38:33,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.base,QUANTIFIED] [2021-08-25 18:38:33,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#b~0.offset,QUANTIFIED] [2021-08-25 18:38:33,682 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.base,QUANTIFIED] [2021-08-25 18:38:33,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~#a~0.offset,QUANTIFIED] [2021-08-25 18:38:33,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,683 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] [2021-08-25 18:38:33,684 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~0_32,QUANTIFIED] Derived loop invariant: ((((((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && (\exists ULTIMATE.start_main_~#b~0.offset : int, ULTIMATE.start_main_~#b~0.base : int, ULTIMATE.start_main_~#a~0.offset : int, ULTIMATE.start_main_~i~0 : int, ULTIMATE.start_main_~#a~0.base : int, v_ULTIMATE.start_main_~i~0_32 : int :: (((((((!(ULTIMATE.start_main_~#a~0.base == ULTIMATE.start_main_~#b~0.base) && !(ULTIMATE.start_main_~#b~0.base == c)) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset]) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#b~0.offset] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][v_ULTIMATE.start_main_~i~0_32 * 4 + ULTIMATE.start_main_~#a~0.offset]) && !(ULTIMATE.start_main_~#a~0.base == c)) && v_ULTIMATE.start_main_~i~0_32 + 1 <= ULTIMATE.start_main_~i~0) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + ULTIMATE.start_main_~i~0 * 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + ULTIMATE.start_main_~i~0 * 4] + unknown-#memory_int-unknown[c][c + ULTIMATE.start_main_~i~0 * 4]) && 2 <= v_ULTIMATE.start_main_~i~0_32) && unknown-#memory_int-unknown[ULTIMATE.start_main_~#b~0.base][ULTIMATE.start_main_~#b~0.offset + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[ULTIMATE.start_main_~#a~0.base][ULTIMATE.start_main_~#a~0.offset + 4])) && !(a == c)) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4]) || ((((((unknown-#memory_int-unknown[b][b + -4 + i * 4] + unknown-#memory_int-unknown[c][c + -4 + i * 4] == unknown-#memory_int-unknown[a][a + -4 + i * 4] && !(a == b)) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && 100000 <= N) && i == 1) && !(a == c))) || (((((((((\exists v_ULTIMATE.start_main_~i~0_32 : int :: (unknown-#memory_int-unknown[b][v_ULTIMATE.start_main_~i~0_32 * 4 + b] + unknown-#memory_int-unknown[c][v_ULTIMATE.start_main_~i~0_32 * 4 + c] == unknown-#memory_int-unknown[a][v_ULTIMATE.start_main_~i~0_32 * 4 + a] && v_ULTIMATE.start_main_~i~0_32 + 1 <= i) && 2 <= v_ULTIMATE.start_main_~i~0_32) && !(a == b)) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && 0 < unknown-#memory_int-unknown[c][c + 4]) && 100000 <= N) && !(a == c)) && i <= 3) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || ((((((((!(a == b) && 2 <= i) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && unknown-#memory_int-unknown[a][a] == unknown-#memory_int-unknown[c][c] + unknown-#memory_int-unknown[b][b]) && i <= 2) && !(a == c)) && 99998 + i <= N) && unknown-#memory_int-unknown[b][b + 4] + unknown-#memory_int-unknown[c][c + 4] == unknown-#memory_int-unknown[a][a + 4])) || (((((!(a == b) && unknown-#memory_int-unknown[b][b + 4] < unknown-#memory_int-unknown[a][a + 4]) && !(b == c)) && i == 0) && 100000 <= N) && !(a == c)) RESULT: Ultimate proved your program to be correct! [2021-08-25 18:38:33,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...