./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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/eca-rers2012/Problem02_label56.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 c32a1c240fa08c94c8e2d9ef78c149e9bedee3c9a83e144197714b3e6496faaf --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 03:29:16,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 03:29:16,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 03:29:16,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 03:29:16,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 03:29:16,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 03:29:16,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 03:29:16,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 03:29:16,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 03:29:16,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 03:29:16,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 03:29:16,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 03:29:16,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 03:29:16,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 03:29:16,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 03:29:16,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 03:29:16,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 03:29:16,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 03:29:16,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 03:29:16,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 03:29:16,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 03:29:16,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 03:29:16,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 03:29:16,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 03:29:16,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 03:29:16,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 03:29:16,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 03:29:16,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 03:29:16,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 03:29:16,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 03:29:16,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 03:29:16,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 03:29:16,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 03:29:16,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 03:29:16,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 03:29:16,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 03:29:16,982 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 03:29:16,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 03:29:16,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 03:29:16,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 03:29:16,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 03:29:16,985 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 03:29:17,003 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 03:29:17,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 03:29:17,004 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 03:29:17,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 03:29:17,005 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 03:29:17,005 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 03:29:17,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 03:29:17,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 03:29:17,006 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 03:29:17,006 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 03:29:17,007 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 03:29:17,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 03:29:17,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 03:29:17,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 03:29:17,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 03:29:17,009 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 03:29:17,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 03:29:17,009 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 03:29:17,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:29:17,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 03:29:17,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 03:29:17,010 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 03:29:17,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c32a1c240fa08c94c8e2d9ef78c149e9bedee3c9a83e144197714b3e6496faaf [2021-12-17 03:29:17,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 03:29:17,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 03:29:17,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 03:29:17,226 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 03:29:17,227 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 03:29:17,228 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2021-12-17 03:29:17,269 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2e12bd9/ca72182a042a4356972006f24009dc6c/FLAG7e561ca07 [2021-12-17 03:29:17,700 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 03:29:17,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c [2021-12-17 03:29:17,708 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2e12bd9/ca72182a042a4356972006f24009dc6c/FLAG7e561ca07 [2021-12-17 03:29:17,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a2e12bd9/ca72182a042a4356972006f24009dc6c [2021-12-17 03:29:17,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 03:29:17,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 03:29:17,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 03:29:17,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 03:29:17,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 03:29:17,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:29:17" (1/1) ... [2021-12-17 03:29:17,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d58b20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:17, skipping insertion in model container [2021-12-17 03:29:17,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 03:29:17" (1/1) ... [2021-12-17 03:29:17,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 03:29:17,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 03:29:18,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c[19398,19411] [2021-12-17 03:29:18,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:29:18,060 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 03:29:18,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label56.c[19398,19411] [2021-12-17 03:29:18,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 03:29:18,131 INFO L208 MainTranslator]: Completed translation [2021-12-17 03:29:18,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18 WrapperNode [2021-12-17 03:29:18,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 03:29:18,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 03:29:18,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 03:29:18,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 03:29:18,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,203 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2021-12-17 03:29:18,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 03:29:18,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 03:29:18,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 03:29:18,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 03:29:18,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 03:29:18,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 03:29:18,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 03:29:18,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 03:29:18,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (1/1) ... [2021-12-17 03:29:18,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 03:29:18,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:29:18,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 03:29:18,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 03:29:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 03:29:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 03:29:18,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 03:29:18,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 03:29:18,431 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 03:29:18,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 03:29:19,165 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 03:29:19,171 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 03:29:19,171 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 03:29:19,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:29:19 BoogieIcfgContainer [2021-12-17 03:29:19,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 03:29:19,174 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 03:29:19,174 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 03:29:19,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 03:29:19,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 03:29:17" (1/3) ... [2021-12-17 03:29:19,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b16ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:29:19, skipping insertion in model container [2021-12-17 03:29:19,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 03:29:18" (2/3) ... [2021-12-17 03:29:19,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78b16ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 03:29:19, skipping insertion in model container [2021-12-17 03:29:19,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:29:19" (3/3) ... [2021-12-17 03:29:19,193 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label56.c [2021-12-17 03:29:19,196 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 03:29:19,196 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 03:29:19,226 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 03:29:19,238 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 03:29:19,239 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 03:29:19,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-17 03:29:19,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:19,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:19,268 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:19,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:19,272 INFO L85 PathProgramCache]: Analyzing trace with hash 320353043, now seen corresponding path program 1 times [2021-12-17 03:29:19,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:19,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530525845] [2021-12-17 03:29:19,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:19,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:19,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:19,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:19,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530525845] [2021-12-17 03:29:19,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530525845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:19,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:19,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:29:19,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610859237] [2021-12-17 03:29:19,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:19,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:19,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:19,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:19,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:19,544 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 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 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:20,080 INFO L93 Difference]: Finished difference Result 601 states and 1035 transitions. [2021-12-17 03:29:20,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:20,083 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 123 [2021-12-17 03:29:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:20,092 INFO L225 Difference]: With dead ends: 601 [2021-12-17 03:29:20,093 INFO L226 Difference]: Without dead ends: 310 [2021-12-17 03:29:20,095 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:20,098 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 111 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:20,098 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 116 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:29:20,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2021-12-17 03:29:20,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2021-12-17 03:29:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4368932038834952) internal successors, (444), 309 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 444 transitions. [2021-12-17 03:29:20,136 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 444 transitions. Word has length 123 [2021-12-17 03:29:20,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:20,137 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 444 transitions. [2021-12-17 03:29:20,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,137 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 444 transitions. [2021-12-17 03:29:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-12-17 03:29:20,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:20,141 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:20,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 03:29:20,141 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:20,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:20,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1067791246, now seen corresponding path program 1 times [2021-12-17 03:29:20,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:20,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228034863] [2021-12-17 03:29:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:20,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:20,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:20,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228034863] [2021-12-17 03:29:20,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228034863] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:20,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:20,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:29:20,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069368953] [2021-12-17 03:29:20,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:20,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:20,218 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:20,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:20,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:20,219 INFO L87 Difference]: Start difference. First operand 310 states and 444 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:20,546 INFO L93 Difference]: Finished difference Result 913 states and 1314 transitions. [2021-12-17 03:29:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:20,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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 141 [2021-12-17 03:29:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:20,549 INFO L225 Difference]: With dead ends: 913 [2021-12-17 03:29:20,549 INFO L226 Difference]: Without dead ends: 605 [2021-12-17 03:29:20,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:20,550 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 158 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:20,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 97 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:20,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2021-12-17 03:29:20,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 598. [2021-12-17 03:29:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 597 states have (on average 1.3969849246231156) internal successors, (834), 597 states have internal predecessors, (834), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 834 transitions. [2021-12-17 03:29:20,576 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 834 transitions. Word has length 141 [2021-12-17 03:29:20,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:20,577 INFO L470 AbstractCegarLoop]: Abstraction has 598 states and 834 transitions. [2021-12-17 03:29:20,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,577 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 834 transitions. [2021-12-17 03:29:20,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-12-17 03:29:20,582 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:20,582 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:20,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 03:29:20,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:20,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:20,585 INFO L85 PathProgramCache]: Analyzing trace with hash -2139691502, now seen corresponding path program 1 times [2021-12-17 03:29:20,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:20,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203629649] [2021-12-17 03:29:20,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:20,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:20,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:20,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203629649] [2021-12-17 03:29:20,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203629649] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:20,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:20,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 03:29:20,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575251224] [2021-12-17 03:29:20,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:20,648 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:20,648 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:20,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:20,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:20,649 INFO L87 Difference]: Start difference. First operand 598 states and 834 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:20,798 INFO L93 Difference]: Finished difference Result 1181 states and 1650 transitions. [2021-12-17 03:29:20,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:20,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 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 142 [2021-12-17 03:29:20,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:20,800 INFO L225 Difference]: With dead ends: 1181 [2021-12-17 03:29:20,800 INFO L226 Difference]: Without dead ends: 585 [2021-12-17 03:29:20,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:20,808 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:20,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 23 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 03:29:20,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2021-12-17 03:29:20,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2021-12-17 03:29:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 585 states, 584 states have (on average 1.297945205479452) internal successors, (758), 584 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 758 transitions. [2021-12-17 03:29:20,828 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 758 transitions. Word has length 142 [2021-12-17 03:29:20,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:20,828 INFO L470 AbstractCegarLoop]: Abstraction has 585 states and 758 transitions. [2021-12-17 03:29:20,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 2 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:20,829 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 758 transitions. [2021-12-17 03:29:20,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-17 03:29:20,830 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:20,830 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:20,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 03:29:20,830 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:20,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:20,831 INFO L85 PathProgramCache]: Analyzing trace with hash -460895513, now seen corresponding path program 1 times [2021-12-17 03:29:20,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:20,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358965597] [2021-12-17 03:29:20,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:20,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:20,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:20,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358965597] [2021-12-17 03:29:20,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358965597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:20,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:20,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:20,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705106863] [2021-12-17 03:29:20,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:20,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:20,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:20,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:20,892 INFO L87 Difference]: Start difference. First operand 585 states and 758 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:21,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:21,211 INFO L93 Difference]: Finished difference Result 1728 states and 2241 transitions. [2021-12-17 03:29:21,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:21,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 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 145 [2021-12-17 03:29:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:21,216 INFO L225 Difference]: With dead ends: 1728 [2021-12-17 03:29:21,216 INFO L226 Difference]: Without dead ends: 1145 [2021-12-17 03:29:21,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:21,218 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 137 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:21,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 76 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:21,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2021-12-17 03:29:21,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1145. [2021-12-17 03:29:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1144 states have (on average 1.2386363636363635) internal successors, (1417), 1144 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1417 transitions. [2021-12-17 03:29:21,239 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1417 transitions. Word has length 145 [2021-12-17 03:29:21,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:21,239 INFO L470 AbstractCegarLoop]: Abstraction has 1145 states and 1417 transitions. [2021-12-17 03:29:21,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1417 transitions. [2021-12-17 03:29:21,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-17 03:29:21,243 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:21,243 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:21,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 03:29:21,244 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:21,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:21,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1253358066, now seen corresponding path program 1 times [2021-12-17 03:29:21,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:21,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7970420] [2021-12-17 03:29:21,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:21,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-17 03:29:21,281 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:21,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7970420] [2021-12-17 03:29:21,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7970420] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:21,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:21,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:21,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648248926] [2021-12-17 03:29:21,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:21,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:21,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:21,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:21,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:21,283 INFO L87 Difference]: Start difference. First operand 1145 states and 1417 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:21,562 INFO L93 Difference]: Finished difference Result 3127 states and 3831 transitions. [2021-12-17 03:29:21,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:21,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 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 150 [2021-12-17 03:29:21,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:21,567 INFO L225 Difference]: With dead ends: 3127 [2021-12-17 03:29:21,567 INFO L226 Difference]: Without dead ends: 1139 [2021-12-17 03:29:21,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:21,575 INFO L933 BasicCegarLoop]: 225 mSDtfsCounter, 142 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:21,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 241 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 03:29:21,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2021-12-17 03:29:21,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1139. [2021-12-17 03:29:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 1138 states have (on average 1.1520210896309315) internal successors, (1311), 1138 states have internal predecessors, (1311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:21,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1311 transitions. [2021-12-17 03:29:21,598 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1311 transitions. Word has length 150 [2021-12-17 03:29:21,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:21,599 INFO L470 AbstractCegarLoop]: Abstraction has 1139 states and 1311 transitions. [2021-12-17 03:29:21,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1311 transitions. [2021-12-17 03:29:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-12-17 03:29:21,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:21,603 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:21,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 03:29:21,604 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:21,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:21,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1832816017, now seen corresponding path program 1 times [2021-12-17 03:29:21,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:21,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289476860] [2021-12-17 03:29:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:21,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:21,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:21,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289476860] [2021-12-17 03:29:21,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289476860] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 03:29:21,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373344943] [2021-12-17 03:29:21,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:21,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 03:29:21,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 03:29:21,783 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 03:29:21,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 03:29:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:21,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 03:29:21,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 03:29:22,222 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-12-17 03:29:22,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 03:29:22,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373344943] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:22,223 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 03:29:22,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 03:29:22,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895723636] [2021-12-17 03:29:22,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:22,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:22,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:22,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:22,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:29:22,225 INFO L87 Difference]: Start difference. First operand 1139 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:22,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:22,500 INFO L93 Difference]: Finished difference Result 2416 states and 2780 transitions. [2021-12-17 03:29:22,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:22,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 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 150 [2021-12-17 03:29:22,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:22,506 INFO L225 Difference]: With dead ends: 2416 [2021-12-17 03:29:22,506 INFO L226 Difference]: Without dead ends: 997 [2021-12-17 03:29:22,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 03:29:22,511 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 21 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:22,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 223 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 03:29:22,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2021-12-17 03:29:22,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 997. [2021-12-17 03:29:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 996 states have (on average 1.1696787148594376) internal successors, (1165), 996 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:22,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1165 transitions. [2021-12-17 03:29:22,527 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1165 transitions. Word has length 150 [2021-12-17 03:29:22,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:22,527 INFO L470 AbstractCegarLoop]: Abstraction has 997 states and 1165 transitions. [2021-12-17 03:29:22,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1165 transitions. [2021-12-17 03:29:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-17 03:29:22,529 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:22,529 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:22,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-17 03:29:22,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-17 03:29:22,744 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:22,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash -2117852748, now seen corresponding path program 1 times [2021-12-17 03:29:22,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:22,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964682405] [2021-12-17 03:29:22,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:22,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:22,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:22,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964682405] [2021-12-17 03:29:22,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964682405] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:22,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:22,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 03:29:22,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861240284] [2021-12-17 03:29:22,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:22,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 03:29:22,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:22,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 03:29:22,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-17 03:29:22,843 INFO L87 Difference]: Start difference. First operand 997 states and 1165 transitions. Second operand has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:23,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:23,342 INFO L93 Difference]: Finished difference Result 2433 states and 2843 transitions. [2021-12-17 03:29:23,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 03:29:23,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 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 164 [2021-12-17 03:29:23,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:23,346 INFO L225 Difference]: With dead ends: 2433 [2021-12-17 03:29:23,346 INFO L226 Difference]: Without dead ends: 1438 [2021-12-17 03:29:23,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-17 03:29:23,348 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 411 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:23,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [411 Valid, 74 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 03:29:23,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1438 states. [2021-12-17 03:29:23,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1438 to 1137. [2021-12-17 03:29:23,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 1136 states have (on average 1.1514084507042253) internal successors, (1308), 1136 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:23,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1308 transitions. [2021-12-17 03:29:23,365 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1308 transitions. Word has length 164 [2021-12-17 03:29:23,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:23,365 INFO L470 AbstractCegarLoop]: Abstraction has 1137 states and 1308 transitions. [2021-12-17 03:29:23,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.8) internal successors, (164), 4 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:23,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1308 transitions. [2021-12-17 03:29:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-17 03:29:23,368 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:23,368 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:23,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 03:29:23,368 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:23,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:23,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1022892754, now seen corresponding path program 1 times [2021-12-17 03:29:23,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:23,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488955807] [2021-12-17 03:29:23,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:23,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:23,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 03:29:23,408 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:23,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488955807] [2021-12-17 03:29:23,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488955807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:23,408 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:23,408 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:23,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126500843] [2021-12-17 03:29:23,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:23,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:23,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:23,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:23,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:23,409 INFO L87 Difference]: Start difference. First operand 1137 states and 1308 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:23,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:23,669 INFO L93 Difference]: Finished difference Result 2833 states and 3251 transitions. [2021-12-17 03:29:23,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:23,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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 185 [2021-12-17 03:29:23,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:23,674 INFO L225 Difference]: With dead ends: 2833 [2021-12-17 03:29:23,674 INFO L226 Difference]: Without dead ends: 1698 [2021-12-17 03:29:23,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:23,676 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 129 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:23,676 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 191 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 03:29:23,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1698 states. [2021-12-17 03:29:23,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1698 to 1697. [2021-12-17 03:29:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1696 states have (on average 1.1102594339622642) internal successors, (1883), 1696 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 1883 transitions. [2021-12-17 03:29:23,716 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 1883 transitions. Word has length 185 [2021-12-17 03:29:23,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:23,716 INFO L470 AbstractCegarLoop]: Abstraction has 1697 states and 1883 transitions. [2021-12-17 03:29:23,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 1883 transitions. [2021-12-17 03:29:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-12-17 03:29:23,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 03:29:23,719 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:23,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 03:29:23,719 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 03:29:23,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 03:29:23,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1001199063, now seen corresponding path program 1 times [2021-12-17 03:29:23,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 03:29:23,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409972295] [2021-12-17 03:29:23,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 03:29:23,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 03:29:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 03:29:23,774 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-12-17 03:29:23,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 03:29:23,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409972295] [2021-12-17 03:29:23,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409972295] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 03:29:23,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 03:29:23,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 03:29:23,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278970309] [2021-12-17 03:29:23,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 03:29:23,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 03:29:23,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 03:29:23,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 03:29:23,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:23,776 INFO L87 Difference]: Start difference. First operand 1697 states and 1883 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:24,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 03:29:24,018 INFO L93 Difference]: Finished difference Result 2968 states and 3290 transitions. [2021-12-17 03:29:24,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 03:29:24,019 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 208 [2021-12-17 03:29:24,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 03:29:24,019 INFO L225 Difference]: With dead ends: 2968 [2021-12-17 03:29:24,020 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 03:29:24,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 03:29:24,023 INFO L933 BasicCegarLoop]: 198 mSDtfsCounter, 36 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 03:29:24,024 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 216 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 03:29:24,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 03:29:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 03:29:24,024 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) [2021-12-17 03:29:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 03:29:24,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 208 [2021-12-17 03:29:24,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 03:29:24,025 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 03:29:24,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 03:29:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 03:29:24,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 03:29:24,029 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 03:29:24,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 03:29:24,032 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 03:29:24,349 INFO L858 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2021-12-17 03:29:24,350 INFO L858 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2021-12-17 03:29:24,351 INFO L858 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2021-12-17 03:29:24,352 INFO L858 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2021-12-17 03:29:24,353 INFO L858 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2021-12-17 03:29:24,354 INFO L858 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2021-12-17 03:29:24,355 INFO L858 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2021-12-17 03:29:24,356 INFO L858 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 03:29:24,357 INFO L858 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2021-12-17 03:29:24,358 INFO L858 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,359 INFO L858 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2021-12-17 03:29:24,360 INFO L858 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2021-12-17 03:29:24,361 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,362 INFO L858 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2021-12-17 03:29:24,363 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2021-12-17 03:29:24,364 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L854 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse0 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 9)) (.cse1 (= ~a19~0 1)) (.cse2 (= ~a11~0 1)) (.cse5 (<= ~a25~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (<= 9 ~a28~0)) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse5) (and (= ~a17~0 8) (= ~a21~0 1) .cse1 .cse5) (and .cse2 (<= ~a17~0 7) .cse5))) [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2021-12-17 03:29:24,365 INFO L858 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L861 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2021-12-17 03:29:24,366 INFO L858 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2021-12-17 03:29:24,367 INFO L858 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L854 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse3 (= ~a25~0 1)) (.cse0 (<= ~a17~0 8)) (.cse4 (<= ~a28~0 9)) (.cse1 (= ~a19~0 1)) (.cse2 (= ~a11~0 1)) (.cse5 (<= ~a25~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 (<= 9 ~a28~0)) (and .cse0 .cse1 .cse3) (and .cse0 .cse4 .cse2) (and .cse0 .cse4 .cse5) (and (= ~a17~0 8) (= ~a21~0 1) .cse1 .cse5) (and .cse2 (<= ~a17~0 7) .cse5))) [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,368 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2021-12-17 03:29:24,369 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,370 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,371 INFO L858 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2021-12-17 03:29:24,372 INFO L858 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2021-12-17 03:29:24,373 INFO L858 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2021-12-17 03:29:24,373 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2021-12-17 03:29:24,373 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2021-12-17 03:29:24,375 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 03:29:24,377 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 03:29:24,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 03:29:24 BoogieIcfgContainer [2021-12-17 03:29:24,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 03:29:24,389 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 03:29:24,389 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 03:29:24,389 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 03:29:24,389 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 03:29:19" (3/4) ... [2021-12-17 03:29:24,391 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 03:29:24,405 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 03:29:24,409 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 03:29:24,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 03:29:24,410 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 03:29:24,475 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 03:29:24,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 03:29:24,475 INFO L158 Benchmark]: Toolchain (without parser) took 6753.55ms. Allocated memory was 111.1MB in the beginning and 205.5MB in the end (delta: 94.4MB). Free memory was 66.8MB in the beginning and 164.2MB in the end (delta: -97.4MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,475 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 03:29:24,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.67ms. Allocated memory is still 111.1MB. Free memory was 66.7MB in the beginning and 71.1MB in the end (delta: -4.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.11ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 65.7MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,476 INFO L158 Benchmark]: Boogie Preprocessor took 71.90ms. Allocated memory is still 111.1MB. Free memory was 65.7MB in the beginning and 85.8MB in the end (delta: -20.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,476 INFO L158 Benchmark]: RCFGBuilder took 895.75ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 72.2MB in the end (delta: 13.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,477 INFO L158 Benchmark]: TraceAbstraction took 5214.44ms. Allocated memory was 111.1MB in the beginning and 205.5MB in the end (delta: 94.4MB). Free memory was 72.2MB in the beginning and 61.0MB in the end (delta: 11.1MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,477 INFO L158 Benchmark]: Witness Printer took 86.09ms. Allocated memory is still 205.5MB. Free memory was 61.0MB in the beginning and 164.2MB in the end (delta: -103.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2021-12-17 03:29:24,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 111.1MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.67ms. Allocated memory is still 111.1MB. Free memory was 66.7MB in the beginning and 71.1MB in the end (delta: -4.3MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.11ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 65.7MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.90ms. Allocated memory is still 111.1MB. Free memory was 65.7MB in the beginning and 85.8MB in the end (delta: -20.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * RCFGBuilder took 895.75ms. Allocated memory is still 111.1MB. Free memory was 85.8MB in the beginning and 72.2MB in the end (delta: 13.7MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * TraceAbstraction took 5214.44ms. Allocated memory was 111.1MB in the beginning and 205.5MB in the end (delta: 94.4MB). Free memory was 72.2MB in the beginning and 61.0MB in the end (delta: 11.1MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB. * Witness Printer took 86.09ms. Allocated memory is still 205.5MB. Free memory was 61.0MB in the beginning and 164.2MB in the end (delta: -103.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 551]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1340 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1340 mSDsluCounter, 1257 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 150 mSDsCounter, 572 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3362 IncrementalHoareTripleChecker+Invalid, 3934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 572 mSolverCounterUnsat, 1107 mSDtfsCounter, 3362 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1697occurred in iteration=8, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 309 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 41 NumberOfFragments, 149 HoareAnnotationTreeSize, 3 FomulaSimplifications, 114 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1558 NumberOfCodeBlocks, 1558 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1548 ConstructedInterpolants, 0 QuantifiedInterpolants, 4745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 286 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 401/417 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: 616]: Loop Invariant Derived loop invariant: (((((((a17 <= 8 && a19 == 1) && a11 == 1) || ((a17 <= 8 && a25 == 1) && 9 <= a28)) || ((a17 <= 8 && a19 == 1) && a25 == 1)) || ((a17 <= 8 && a28 <= 9) && a11 == 1)) || ((a17 <= 8 && a28 <= 9) && a25 <= 0)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a25 <= 0)) || ((a11 == 1 && a17 <= 7) && a25 <= 0) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((((a17 <= 8 && a19 == 1) && a11 == 1) || ((a17 <= 8 && a25 == 1) && 9 <= a28)) || ((a17 <= 8 && a19 == 1) && a25 == 1)) || ((a17 <= 8 && a28 <= 9) && a11 == 1)) || ((a17 <= 8 && a28 <= 9) && a25 <= 0)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a25 <= 0)) || ((a11 == 1 && a17 <= 7) && a25 <= 0) RESULT: Ultimate proved your program to be correct! [2021-12-17 03:29:24,517 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE