./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem10_label53.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/Problem10_label53.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 701e1463647edc9b85a4510e73732e8fae9832885edcd79ec0113cacf754e2d5 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:22:55,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:22:55,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:22:55,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:22:55,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:22:55,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:22:55,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:22:55,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:22:55,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:22:55,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:22:55,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:22:55,894 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:22:55,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:22:55,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:22:55,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:22:55,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:22:55,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:22:55,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:22:55,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:22:55,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:22:55,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:22:55,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:22:55,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:22:55,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:22:55,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:22:55,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:22:55,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:22:55,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:22:55,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:22:55,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:22:55,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:22:55,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:22:55,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:22:55,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:22:55,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:22:55,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:22:55,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:22:55,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:22:55,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:22:55,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:22:55,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:22:55,958 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:22:55,997 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:22:55,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:22:55,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:22:55,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:22:55,998 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:22:55,998 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:22:55,999 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:22:55,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:22:55,999 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:22:55,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:22:56,000 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:22:56,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:22:56,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:22:56,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:22:56,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:22:56,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:22:56,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:22:56,001 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:22:56,001 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:22:56,002 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:22:56,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:22:56,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:22:56,002 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:22:56,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:22:56,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:22:56,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:22:56,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:22:56,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:22:56,003 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:22:56,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:22:56,003 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:22:56,003 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:22:56,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:22:56,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:22:56,004 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 701e1463647edc9b85a4510e73732e8fae9832885edcd79ec0113cacf754e2d5 [2021-12-17 04:22:56,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:22:56,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:22:56,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:22:56,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:22:56,271 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:22:56,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2021-12-17 04:22:56,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001f812ed/27a702e0621940e5adb537c90e429c32/FLAGa2c7dc922 [2021-12-17 04:22:56,831 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:22:56,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2021-12-17 04:22:56,854 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001f812ed/27a702e0621940e5adb537c90e429c32/FLAGa2c7dc922 [2021-12-17 04:22:57,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001f812ed/27a702e0621940e5adb537c90e429c32 [2021-12-17 04:22:57,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:22:57,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:22:57,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:22:57,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:22:57,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:22:57,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26018979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57, skipping insertion in model container [2021-12-17 04:22:57,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:22:57,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:22:57,502 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/Problem10_label53.c[4908,4921] [2021-12-17 04:22:57,611 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:22:57,632 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:22:57,665 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/Problem10_label53.c[4908,4921] [2021-12-17 04:22:57,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:22:57,741 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:22:57,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57 WrapperNode [2021-12-17 04:22:57,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:22:57,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:22:57,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:22:57,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:22:57,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,859 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2021-12-17 04:22:57,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:22:57,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:22:57,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:22:57,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:22:57,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:22:57,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:22:57,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:22:57,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:22:57,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (1/1) ... [2021-12-17 04:22:57,981 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:22:57,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:22:58,003 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 04:22:58,039 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 04:22:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:22:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:22:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:22:58,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:22:58,117 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:22:58,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:22:58,857 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:22:58,865 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:22:58,866 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:22:58,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:22:58 BoogieIcfgContainer [2021-12-17 04:22:58,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:22:58,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:22:58,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:22:58,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:22:58,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:22:57" (1/3) ... [2021-12-17 04:22:58,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277092e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:22:58, skipping insertion in model container [2021-12-17 04:22:58,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:22:57" (2/3) ... [2021-12-17 04:22:58,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@277092e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:22:58, skipping insertion in model container [2021-12-17 04:22:58,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:22:58" (3/3) ... [2021-12-17 04:22:58,875 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label53.c [2021-12-17 04:22:58,880 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:22:58,880 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:22:58,921 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:22:58,927 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 04:22:58,927 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:22:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 04:22:58,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-12-17 04:22:58,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:22:58,958 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] [2021-12-17 04:22:58,959 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:22:58,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:22:58,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1824112922, now seen corresponding path program 1 times [2021-12-17 04:22:58,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:22:58,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567121826] [2021-12-17 04:22:58,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:22:58,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:22:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:22:59,191 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 04:22:59,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:22:59,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567121826] [2021-12-17 04:22:59,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567121826] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:22:59,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:22:59,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:22:59,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988805626] [2021-12-17 04:22:59,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:22:59,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:22:59,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:22:59,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:22:59,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:22:59,245 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:22:59,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:22:59,769 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-12-17 04:22:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:22:59,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2021-12-17 04:22:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:22:59,779 INFO L225 Difference]: With dead ends: 552 [2021-12-17 04:22:59,780 INFO L226 Difference]: Without dead ends: 282 [2021-12-17 04:22:59,783 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 04:22:59,790 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 146 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:22:59,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 76 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:22:59,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-12-17 04:22:59,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-12-17 04:22:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 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 04:22:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-12-17 04:22:59,830 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 42 [2021-12-17 04:22:59,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:22:59,831 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-12-17 04:22:59,831 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:22:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-12-17 04:22:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-17 04:22:59,834 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:22:59,834 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:22:59,835 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:22:59,835 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:22:59,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:22:59,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1321315165, now seen corresponding path program 1 times [2021-12-17 04:22:59,836 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:22:59,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95106393] [2021-12-17 04:22:59,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:22:59,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:22:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:22:59,933 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:22:59,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:22:59,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95106393] [2021-12-17 04:22:59,934 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95106393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:22:59,934 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:22:59,934 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:22:59,934 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153255744] [2021-12-17 04:22:59,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:22:59,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:22:59,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:22:59,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:22:59,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:22:59,937 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 04:23:00,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:00,307 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2021-12-17 04:23:00,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:00,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 111 [2021-12-17 04:23:00,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:00,310 INFO L225 Difference]: With dead ends: 701 [2021-12-17 04:23:00,310 INFO L226 Difference]: Without dead ends: 421 [2021-12-17 04:23:00,311 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 04:23:00,312 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:00,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 52 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:23:00,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-12-17 04:23:00,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-12-17 04:23:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 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 04:23:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2021-12-17 04:23:00,341 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 111 [2021-12-17 04:23:00,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:00,343 INFO L470 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2021-12-17 04:23:00,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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 04:23:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2021-12-17 04:23:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-12-17 04:23:00,349 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:00,349 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:23:00,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:23:00,349 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:00,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1206282540, now seen corresponding path program 1 times [2021-12-17 04:23:00,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:00,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008805617] [2021-12-17 04:23:00,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:00,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:00,489 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:00,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:00,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008805617] [2021-12-17 04:23:00,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008805617] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:23:00,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139462590] [2021-12-17 04:23:00,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:00,504 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:00,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:23:00,506 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 04:23:00,509 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 04:23:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:00,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:23:00,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:23:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:00,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:23:00,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139462590] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:00,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:23:00,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-12-17 04:23:00,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253628331] [2021-12-17 04:23:00,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:00,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:00,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:00,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:23:00,798 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 04:23:01,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:01,391 INFO L93 Difference]: Finished difference Result 979 states and 1465 transitions. [2021-12-17 04:23:01,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:01,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 117 [2021-12-17 04:23:01,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:01,395 INFO L225 Difference]: With dead ends: 979 [2021-12-17 04:23:01,395 INFO L226 Difference]: Without dead ends: 699 [2021-12-17 04:23:01,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:23:01,398 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 110 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:01,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 67 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:23:01,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-17 04:23:01,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 560. [2021-12-17 04:23:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3864042933810377) internal successors, (775), 559 states have internal predecessors, (775), 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 04:23:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 775 transitions. [2021-12-17 04:23:01,415 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 775 transitions. Word has length 117 [2021-12-17 04:23:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:01,416 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 775 transitions. [2021-12-17 04:23:01,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 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 04:23:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 775 transitions. [2021-12-17 04:23:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-17 04:23:01,419 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:01,419 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2021-12-17 04:23:01,447 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 04:23:01,638 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:23:01,639 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:01,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash -484371775, now seen corresponding path program 1 times [2021-12-17 04:23:01,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:01,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102134149] [2021-12-17 04:23:01,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:01,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:01,849 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:01,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:01,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102134149] [2021-12-17 04:23:01,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102134149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:01,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:01,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:01,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281452756] [2021-12-17 04:23:01,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:01,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:23:01,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:01,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:23:01,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:23:01,861 INFO L87 Difference]: Start difference. First operand 560 states and 775 transitions. Second operand has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 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 04:23:02,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:02,375 INFO L93 Difference]: Finished difference Result 1129 states and 1559 transitions. [2021-12-17 04:23:02,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 04:23:02,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 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 174 [2021-12-17 04:23:02,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:02,378 INFO L225 Difference]: With dead ends: 1129 [2021-12-17 04:23:02,378 INFO L226 Difference]: Without dead ends: 571 [2021-12-17 04:23:02,379 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:23:02,380 INFO L933 BasicCegarLoop]: 82 mSDtfsCounter, 76 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:02,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [76 Valid, 92 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:23:02,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-12-17 04:23:02,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2021-12-17 04:23:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3595706618962433) internal successors, (760), 559 states have internal predecessors, (760), 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 04:23:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 760 transitions. [2021-12-17 04:23:02,391 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 760 transitions. Word has length 174 [2021-12-17 04:23:02,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:02,392 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 760 transitions. [2021-12-17 04:23:02,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.5) internal successors, (174), 3 states have internal predecessors, (174), 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 04:23:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 760 transitions. [2021-12-17 04:23:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-12-17 04:23:02,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:02,395 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, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:02,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:23:02,395 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:02,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:02,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1961519177, now seen corresponding path program 1 times [2021-12-17 04:23:02,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:02,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087875547] [2021-12-17 04:23:02,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:02,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:02,456 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-17 04:23:02,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:02,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087875547] [2021-12-17 04:23:02,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087875547] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:02,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:02,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:23:02,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501330387] [2021-12-17 04:23:02,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:02,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:02,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:02,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:02,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:02,460 INFO L87 Difference]: Start difference. First operand 560 states and 760 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 04:23:02,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:02,892 INFO L93 Difference]: Finished difference Result 1118 states and 1558 transitions. [2021-12-17 04:23:02,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:02,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 177 [2021-12-17 04:23:02,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:02,895 INFO L225 Difference]: With dead ends: 1118 [2021-12-17 04:23:02,895 INFO L226 Difference]: Without dead ends: 699 [2021-12-17 04:23:02,907 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 04:23:02,908 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:02,908 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 34 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:23:02,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2021-12-17 04:23:02,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2021-12-17 04:23:02,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.2449856733524356) internal successors, (869), 698 states have internal predecessors, (869), 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 04:23:02,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 869 transitions. [2021-12-17 04:23:02,917 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 869 transitions. Word has length 177 [2021-12-17 04:23:02,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:02,917 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 869 transitions. [2021-12-17 04:23:02,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 2 states have internal predecessors, (113), 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 04:23:02,918 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 869 transitions. [2021-12-17 04:23:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-12-17 04:23:02,919 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:02,931 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, 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, 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] [2021-12-17 04:23:02,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:23:02,932 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:02,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:02,932 INFO L85 PathProgramCache]: Analyzing trace with hash 458854272, now seen corresponding path program 1 times [2021-12-17 04:23:02,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:02,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707166081] [2021-12-17 04:23:02,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:02,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:03,017 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:03,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:03,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707166081] [2021-12-17 04:23:03,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707166081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:03,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:03,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:03,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321532368] [2021-12-17 04:23:03,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:03,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:03,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:03,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:03,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:03,020 INFO L87 Difference]: Start difference. First operand 699 states and 869 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 04:23:03,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:03,333 INFO L93 Difference]: Finished difference Result 1535 states and 1971 transitions. [2021-12-17 04:23:03,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:03,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 194 [2021-12-17 04:23:03,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:03,336 INFO L225 Difference]: With dead ends: 1535 [2021-12-17 04:23:03,336 INFO L226 Difference]: Without dead ends: 977 [2021-12-17 04:23:03,337 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 04:23:03,337 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 58 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:03,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 215 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 04:23:03,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2021-12-17 04:23:03,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 838. [2021-12-17 04:23:03,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2162485065710873) internal successors, (1018), 837 states have internal predecessors, (1018), 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 04:23:03,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1018 transitions. [2021-12-17 04:23:03,365 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1018 transitions. Word has length 194 [2021-12-17 04:23:03,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:03,365 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1018 transitions. [2021-12-17 04:23:03,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 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 04:23:03,366 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1018 transitions. [2021-12-17 04:23:03,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2021-12-17 04:23:03,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:03,368 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, 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, 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] [2021-12-17 04:23:03,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:23:03,368 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:03,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:03,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2011014399, now seen corresponding path program 1 times [2021-12-17 04:23:03,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:03,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311069329] [2021-12-17 04:23:03,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:03,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:23:03,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:03,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311069329] [2021-12-17 04:23:03,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311069329] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:03,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:03,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 04:23:03,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302007373] [2021-12-17 04:23:03,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:03,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 04:23:03,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:03,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 04:23:03,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:23:03,540 INFO L87 Difference]: Start difference. First operand 838 states and 1018 transitions. Second operand has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 6 states have internal predecessors, (254), 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 04:23:03,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:03,992 INFO L93 Difference]: Finished difference Result 1590 states and 1945 transitions. [2021-12-17 04:23:03,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 04:23:03,993 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 6 states have internal predecessors, (254), 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 254 [2021-12-17 04:23:03,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:03,995 INFO L225 Difference]: With dead ends: 1590 [2021-12-17 04:23:03,995 INFO L226 Difference]: Without dead ends: 838 [2021-12-17 04:23:03,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-12-17 04:23:03,996 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 198 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:03,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [198 Valid, 30 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:23:03,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-12-17 04:23:04,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-12-17 04:23:04,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 838 states, 837 states have (on average 1.2102747909199523) internal successors, (1013), 837 states have internal predecessors, (1013), 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 04:23:04,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1013 transitions. [2021-12-17 04:23:04,009 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1013 transitions. Word has length 254 [2021-12-17 04:23:04,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:04,009 INFO L470 AbstractCegarLoop]: Abstraction has 838 states and 1013 transitions. [2021-12-17 04:23:04,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 36.285714285714285) internal successors, (254), 6 states have internal predecessors, (254), 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 04:23:04,009 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1013 transitions. [2021-12-17 04:23:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-12-17 04:23:04,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:04,012 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:23:04,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 04:23:04,012 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:04,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:04,013 INFO L85 PathProgramCache]: Analyzing trace with hash -301674855, now seen corresponding path program 1 times [2021-12-17 04:23:04,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:04,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712439599] [2021-12-17 04:23:04,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:04,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:04,181 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-12-17 04:23:04,181 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:04,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712439599] [2021-12-17 04:23:04,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712439599] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:04,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:04,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:04,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045812501] [2021-12-17 04:23:04,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:04,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:04,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:04,184 INFO L87 Difference]: Start difference. First operand 838 states and 1013 transitions. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 04:23:04,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:04,623 INFO L93 Difference]: Finished difference Result 1813 states and 2258 transitions. [2021-12-17 04:23:04,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:04,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 290 [2021-12-17 04:23:04,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:04,627 INFO L225 Difference]: With dead ends: 1813 [2021-12-17 04:23:04,627 INFO L226 Difference]: Without dead ends: 1116 [2021-12-17 04:23:04,628 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 04:23:04,629 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 100 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:04,631 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 225 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-17 04:23:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-12-17 04:23:04,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-12-17 04:23:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.1956967213114753) internal successors, (1167), 976 states have internal predecessors, (1167), 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 04:23:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1167 transitions. [2021-12-17 04:23:04,647 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1167 transitions. Word has length 290 [2021-12-17 04:23:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:04,648 INFO L470 AbstractCegarLoop]: Abstraction has 977 states and 1167 transitions. [2021-12-17 04:23:04,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 04:23:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1167 transitions. [2021-12-17 04:23:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-12-17 04:23:04,653 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:23:04,653 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 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] [2021-12-17 04:23:04,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:23:04,653 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:23:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:23:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash 303542513, now seen corresponding path program 1 times [2021-12-17 04:23:04,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:23:04,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109828269] [2021-12-17 04:23:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:23:04,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:23:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:23:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-17 04:23:04,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:23:04,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109828269] [2021-12-17 04:23:04,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109828269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:23:04,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:23:04,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:23:04,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352710884] [2021-12-17 04:23:04,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:23:04,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:23:04,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:23:04,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:23:04,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:23:04,758 INFO L87 Difference]: Start difference. First operand 977 states and 1167 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 04:23:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:23:05,117 INFO L93 Difference]: Finished difference Result 2089 states and 2500 transitions. [2021-12-17 04:23:05,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:23:05,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 341 [2021-12-17 04:23:05,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:23:05,118 INFO L225 Difference]: With dead ends: 2089 [2021-12-17 04:23:05,118 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:23:05,119 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 04:23:05,120 INFO L933 BasicCegarLoop]: 218 mSDtfsCounter, 100 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 04:23:05,120 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [100 Valid, 222 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 04:23:05,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:23:05,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:23:05,121 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 04:23:05,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:23:05,121 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 341 [2021-12-17 04:23:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:23:05,121 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:23:05,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 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 04:23:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:23:05,122 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:23:05,123 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:23:05,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 04:23:05,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,311 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,312 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,313 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,314 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-12-17 04:23:05,315 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:23:05,316 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L854 garLoopResultBuilder]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 .cse1 (= ~a10~0 4) .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 (<= ~a10~0 1)) (and .cse0 .cse1 (<= 9 ~a19~0) .cse2) (and .cse0 .cse1 .cse2 (= ~a10~0 2)))) [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,317 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L861 garLoopResultBuilder]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,318 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,319 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,319 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-12-17 04:23:05,319 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-12-17 04:23:05,319 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-12-17 04:23:05,319 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-12-17 04:23:05,319 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-12-17 04:23:05,324 INFO L858 garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-12-17 04:23:05,324 INFO L858 garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-12-17 04:23:05,325 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-12-17 04:23:05,325 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-12-17 04:23:05,325 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,325 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,325 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,325 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-12-17 04:23:05,326 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-12-17 04:23:05,327 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-12-17 04:23:05,328 INFO L854 garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= ~a4~0 14)) (.cse1 (= ~a12~0 0)) (.cse2 (<= ~a19~0 9))) (or (and .cse0 .cse1 (= ~a10~0 4) .cse2) (and .cse0 .cse1 (<= ~a19~0 6)) (and .cse0 .cse1 (<= ~a10~0 1)) (and .cse0 .cse1 (<= 9 ~a19~0) .cse2) (and .cse0 .cse1 .cse2 (= ~a10~0 2)))) [2021-12-17 04:23:05,328 INFO L858 garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-12-17 04:23:05,329 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2021-12-17 04:23:05,330 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,331 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-12-17 04:23:05,332 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-12-17 04:23:05,333 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-12-17 04:23:05,333 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-12-17 04:23:05,336 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:23:05,337 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:23:05,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:23:05 BoogieIcfgContainer [2021-12-17 04:23:05,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:23:05,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:23:05,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:23:05,366 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:23:05,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:22:58" (3/4) ... [2021-12-17 04:23:05,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:23:05,386 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 04:23:05,386 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:23:05,387 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:23:05,388 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:23:05,465 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:23:05,466 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:23:05,466 INFO L158 Benchmark]: Toolchain (without parser) took 8168.80ms. Allocated memory was 92.3MB in the beginning and 172.0MB in the end (delta: 79.7MB). Free memory was 62.3MB in the beginning and 106.7MB in the end (delta: -44.5MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,466 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 92.3MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:23:05,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.90ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 51.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.08ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.9MB in the beginning and 84.5MB in the end (delta: -32.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,467 INFO L158 Benchmark]: Boogie Preprocessor took 83.80ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 79.5MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,467 INFO L158 Benchmark]: RCFGBuilder took 923.28ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 63.4MB in the end (delta: 16.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,468 INFO L158 Benchmark]: TraceAbstraction took 6496.58ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 62.7MB in the beginning and 121.4MB in the end (delta: -58.7MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,468 INFO L158 Benchmark]: Witness Printer took 99.55ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 106.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-17 04:23:05,470 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 92.3MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.90ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 51.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.08ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 51.9MB in the beginning and 84.5MB in the end (delta: -32.6MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.80ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 79.5MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 923.28ms. Allocated memory is still 111.1MB. Free memory was 79.5MB in the beginning and 63.4MB in the end (delta: 16.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6496.58ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 62.7MB in the beginning and 121.4MB in the end (delta: -58.7MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Witness Printer took 99.55ms. Allocated memory is still 172.0MB. Free memory was 121.4MB in the beginning and 106.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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: 140]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 9, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 968 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 968 mSDsluCounter, 1013 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 63 mSDsCounter, 550 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4026 IncrementalHoareTripleChecker+Invalid, 4576 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 550 mSolverCounterUnsat, 950 mSDtfsCounter, 4026 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=8, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 428 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 25 NumberOfFragments, 121 HoareAnnotationTreeSize, 3 FomulaSimplifications, 309 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 278 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1817 NumberOfCodeBlocks, 1817 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1807 ConstructedInterpolants, 0 QuantifiedInterpolants, 6773 SizeOfPredicates, 0 NumberOfNonLiveVariables, 206 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 1156/1160 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: 592]: Loop Invariant Derived loop invariant: ((((((a4 == 14 && a12 == 0) && a10 == 4) && a19 <= 9) || ((a4 == 14 && a12 == 0) && a19 <= 6)) || ((a4 == 14 && a12 == 0) && a10 <= 1)) || (((a4 == 14 && a12 == 0) && 9 <= a19) && a19 <= 9)) || (((a4 == 14 && a12 == 0) && a19 <= 9) && a10 == 2) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((a4 == 14 && a12 == 0) && a10 == 4) && a19 <= 9) || ((a4 == 14 && a12 == 0) && a19 <= 6)) || ((a4 == 14 && a12 == 0) && a10 <= 1)) || (((a4 == 14 && a12 == 0) && 9 <= a19) && a19 <= 9)) || (((a4 == 14 && a12 == 0) && a19 <= 9) && a10 == 2) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 04:23:05,496 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