./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label19.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 8aa577dc4c04bf53d7d29751ed362e9afcf94d1db611db106e7ed08797634e47 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 00:56:35,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 00:56:35,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 00:56:35,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 00:56:35,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 00:56:35,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 00:56:35,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 00:56:35,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 00:56:35,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 00:56:35,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 00:56:35,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 00:56:35,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 00:56:35,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 00:56:35,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 00:56:35,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 00:56:35,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 00:56:35,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 00:56:35,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 00:56:35,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 00:56:35,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 00:56:35,992 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 00:56:35,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 00:56:35,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 00:56:35,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 00:56:35,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 00:56:36,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 00:56:36,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 00:56:36,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 00:56:36,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 00:56:36,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 00:56:36,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 00:56:36,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 00:56:36,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 00:56:36,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 00:56:36,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 00:56:36,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 00:56:36,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 00:56:36,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 00:56:36,009 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 00:56:36,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 00:56:36,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 00:56:36,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 00:56:36,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 00:56:36,047 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 00:56:36,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 00:56:36,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 00:56:36,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 00:56:36,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 00:56:36,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 00:56:36,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 00:56:36,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 00:56:36,050 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 00:56:36,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 00:56:36,051 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 00:56:36,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 00:56:36,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 00:56:36,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 00:56:36,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 00:56:36,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 00:56:36,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 00:56:36,052 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 00:56:36,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 00:56:36,053 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 00:56:36,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 00:56:36,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 00:56:36,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 00:56:36,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 00:56:36,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 00:56:36,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 00:56:36,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 00:56:36,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 00:56:36,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 00:56:36,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 00:56:36,056 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 00:56:36,056 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 00:56:36,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 00:56:36,057 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aa577dc4c04bf53d7d29751ed362e9afcf94d1db611db106e7ed08797634e47 [2022-07-12 00:56:36,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 00:56:36,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 00:56:36,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 00:56:36,299 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 00:56:36,300 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 00:56:36,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2022-07-12 00:56:36,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a4e5822/0fc1584cabff4360b2ccecd4e38fffe2/FLAG95465d18c [2022-07-12 00:56:36,831 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 00:56:36,833 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label19.c [2022-07-12 00:56:36,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a4e5822/0fc1584cabff4360b2ccecd4e38fffe2/FLAG95465d18c [2022-07-12 00:56:37,113 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0a4e5822/0fc1584cabff4360b2ccecd4e38fffe2 [2022-07-12 00:56:37,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 00:56:37,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 00:56:37,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 00:56:37,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 00:56:37,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 00:56:37,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad6e79f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37, skipping insertion in model container [2022-07-12 00:56:37,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 00:56:37,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 00:56:37,373 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/Problem11_label19.c[8142,8155] [2022-07-12 00:56:37,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 00:56:37,598 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 00:56:37,637 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/Problem11_label19.c[8142,8155] [2022-07-12 00:56:37,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 00:56:37,754 INFO L208 MainTranslator]: Completed translation [2022-07-12 00:56:37,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37 WrapperNode [2022-07-12 00:56:37,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 00:56:37,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 00:56:37,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 00:56:37,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 00:56:37,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,917 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-12 00:56:37,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 00:56:37,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 00:56:37,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 00:56:37,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 00:56:37,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:37,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:38,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:38,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:38,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 00:56:38,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 00:56:38,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 00:56:38,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 00:56:38,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (1/1) ... [2022-07-12 00:56:38,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 00:56:38,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:56:38,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 00:56:38,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 00:56:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 00:56:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 00:56:38,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 00:56:38,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 00:56:38,164 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 00:56:38,165 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 00:56:39,486 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 00:56:39,503 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 00:56:39,503 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 00:56:39,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:56:39 BoogieIcfgContainer [2022-07-12 00:56:39,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 00:56:39,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 00:56:39,509 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 00:56:39,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 00:56:39,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:56:37" (1/3) ... [2022-07-12 00:56:39,513 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5299d16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:56:39, skipping insertion in model container [2022-07-12 00:56:39,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:37" (2/3) ... [2022-07-12 00:56:39,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5299d16b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:56:39, skipping insertion in model container [2022-07-12 00:56:39,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:56:39" (3/3) ... [2022-07-12 00:56:39,515 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label19.c [2022-07-12 00:56:39,530 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 00:56:39,531 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 00:56:39,609 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 00:56:39,617 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2b8816ff, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@266f4c09 [2022-07-12 00:56:39,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 00:56:39,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:39,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-12 00:56:39,646 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:39,646 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:39,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:39,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:39,654 INFO L85 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2022-07-12 00:56:39,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:39,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462245041] [2022-07-12 00:56:39,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:39,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:39,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:39,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:39,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462245041] [2022-07-12 00:56:39,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462245041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:39,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:39,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:39,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039914423] [2022-07-12 00:56:39,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:39,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:39,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:40,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:40,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:40,013 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 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 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:41,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:41,084 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-12 00:56:41,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:41,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 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 56 [2022-07-12 00:56:41,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:41,097 INFO L225 Difference]: With dead ends: 761 [2022-07-12 00:56:41,097 INFO L226 Difference]: Without dead ends: 413 [2022-07-12 00:56:41,100 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:41,103 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:41,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 00:56:41,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-12 00:56:41,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-12 00:56:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:41,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-12 00:56:41,155 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 56 [2022-07-12 00:56:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:41,156 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-12 00:56:41,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:41,156 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-12 00:56:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-12 00:56:41,160 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:41,160 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-12 00:56:41,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 00:56:41,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:41,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:41,161 INFO L85 PathProgramCache]: Analyzing trace with hash 145975082, now seen corresponding path program 1 times [2022-07-12 00:56:41,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:41,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986885932] [2022-07-12 00:56:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:41,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:41,309 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:41,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:41,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986885932] [2022-07-12 00:56:41,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986885932] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:41,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:41,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:41,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83700597] [2022-07-12 00:56:41,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:41,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:41,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:41,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:41,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:41,318 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:42,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:42,028 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-12 00:56:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:42,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124 [2022-07-12 00:56:42,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:42,035 INFO L225 Difference]: With dead ends: 1211 [2022-07-12 00:56:42,035 INFO L226 Difference]: Without dead ends: 800 [2022-07-12 00:56:42,037 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:42,038 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 144 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:42,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 118 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-12 00:56:42,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-12 00:56:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3756345177664975) internal successors, (1084), 788 states have internal predecessors, (1084), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1084 transitions. [2022-07-12 00:56:42,069 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1084 transitions. Word has length 124 [2022-07-12 00:56:42,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:42,070 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1084 transitions. [2022-07-12 00:56:42,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1084 transitions. [2022-07-12 00:56:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-12 00:56:42,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:42,074 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-12 00:56:42,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 00:56:42,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:42,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:42,075 INFO L85 PathProgramCache]: Analyzing trace with hash -87355732, now seen corresponding path program 1 times [2022-07-12 00:56:42,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:42,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946996127] [2022-07-12 00:56:42,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:42,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:42,182 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:42,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946996127] [2022-07-12 00:56:42,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946996127] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:42,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:42,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:42,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92125587] [2022-07-12 00:56:42,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:42,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:42,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:42,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:42,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:42,185 INFO L87 Difference]: Start difference. First operand 789 states and 1084 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:42,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:42,859 INFO L93 Difference]: Finished difference Result 1945 states and 2614 transitions. [2022-07-12 00:56:42,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:42,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 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 125 [2022-07-12 00:56:42,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:42,864 INFO L225 Difference]: With dead ends: 1945 [2022-07-12 00:56:42,864 INFO L226 Difference]: Without dead ends: 1158 [2022-07-12 00:56:42,866 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:42,867 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:42,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-12 00:56:42,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-12 00:56:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2716262975778547) internal successors, (1470), 1156 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:42,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1470 transitions. [2022-07-12 00:56:42,895 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1470 transitions. Word has length 125 [2022-07-12 00:56:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:42,895 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1470 transitions. [2022-07-12 00:56:42,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1470 transitions. [2022-07-12 00:56:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-07-12 00:56:42,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:42,900 INFO L195 NwaCegarLoop]: 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, 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] [2022-07-12 00:56:42,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 00:56:42,901 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:42,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:42,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1822006727, now seen corresponding path program 1 times [2022-07-12 00:56:42,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:42,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452048033] [2022-07-12 00:56:42,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:42,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:43,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:43,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452048033] [2022-07-12 00:56:43,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452048033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:43,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:43,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:43,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734989829] [2022-07-12 00:56:43,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:43,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:43,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:43,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:43,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:43,066 INFO L87 Difference]: Start difference. First operand 1157 states and 1470 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:43,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:43,712 INFO L93 Difference]: Finished difference Result 2519 states and 3352 transitions. [2022-07-12 00:56:43,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:43,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 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 183 [2022-07-12 00:56:43,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:43,721 INFO L225 Difference]: With dead ends: 2519 [2022-07-12 00:56:43,721 INFO L226 Difference]: Without dead ends: 1548 [2022-07-12 00:56:43,723 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:43,724 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 179 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:43,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:43,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-12 00:56:43,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-12 00:56:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.294041450777202) internal successors, (1998), 1544 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1998 transitions. [2022-07-12 00:56:43,752 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1998 transitions. Word has length 183 [2022-07-12 00:56:43,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:43,752 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1998 transitions. [2022-07-12 00:56:43,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1998 transitions. [2022-07-12 00:56:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-12 00:56:43,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:43,756 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:43,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 00:56:43,757 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:43,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:43,757 INFO L85 PathProgramCache]: Analyzing trace with hash -293129306, now seen corresponding path program 1 times [2022-07-12 00:56:43,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:43,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343603261] [2022-07-12 00:56:43,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:43,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:43,887 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:43,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:43,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343603261] [2022-07-12 00:56:43,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343603261] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:43,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:43,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:43,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858112239] [2022-07-12 00:56:43,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:43,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:43,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:43,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:43,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:43,891 INFO L87 Difference]: Start difference. First operand 1545 states and 1998 transitions. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:44,579 INFO L93 Difference]: Finished difference Result 3656 states and 4826 transitions. [2022-07-12 00:56:44,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:44,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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 236 [2022-07-12 00:56:44,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:44,588 INFO L225 Difference]: With dead ends: 3656 [2022-07-12 00:56:44,588 INFO L226 Difference]: Without dead ends: 2297 [2022-07-12 00:56:44,591 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:44,597 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 136 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:44,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 340 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:44,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2022-07-12 00:56:44,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 2100. [2022-07-12 00:56:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.2706050500238208) internal successors, (2667), 2099 states have internal predecessors, (2667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2667 transitions. [2022-07-12 00:56:44,635 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2667 transitions. Word has length 236 [2022-07-12 00:56:44,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:44,636 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2667 transitions. [2022-07-12 00:56:44,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:44,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2667 transitions. [2022-07-12 00:56:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-12 00:56:44,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:44,643 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:44,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 00:56:44,644 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:44,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:44,645 INFO L85 PathProgramCache]: Analyzing trace with hash -814689872, now seen corresponding path program 1 times [2022-07-12 00:56:44,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:44,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723653112] [2022-07-12 00:56:44,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:44,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:44,840 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:44,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:44,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723653112] [2022-07-12 00:56:44,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723653112] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:44,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:44,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 00:56:44,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539762077] [2022-07-12 00:56:44,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:44,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:44,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:44,843 INFO L87 Difference]: Start difference. First operand 2100 states and 2667 transitions. Second operand has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:46,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:46,134 INFO L93 Difference]: Finished difference Result 6988 states and 9014 transitions. [2022-07-12 00:56:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:46,135 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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 237 [2022-07-12 00:56:46,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:46,152 INFO L225 Difference]: With dead ends: 6988 [2022-07-12 00:56:46,152 INFO L226 Difference]: Without dead ends: 4890 [2022-07-12 00:56:46,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:46,157 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 323 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:46,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 71 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 00:56:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4890 states. [2022-07-12 00:56:46,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4890 to 4690. [2022-07-12 00:56:46,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4690 states, 4689 states have (on average 1.2518660695244188) internal successors, (5870), 4689 states have internal predecessors, (5870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:46,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4690 states to 4690 states and 5870 transitions. [2022-07-12 00:56:46,243 INFO L78 Accepts]: Start accepts. Automaton has 4690 states and 5870 transitions. Word has length 237 [2022-07-12 00:56:46,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:46,244 INFO L495 AbstractCegarLoop]: Abstraction has 4690 states and 5870 transitions. [2022-07-12 00:56:46,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:46,244 INFO L276 IsEmpty]: Start isEmpty. Operand 4690 states and 5870 transitions. [2022-07-12 00:56:46,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 00:56:46,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:46,248 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:46,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 00:56:46,249 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:46,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:46,249 INFO L85 PathProgramCache]: Analyzing trace with hash 298488641, now seen corresponding path program 1 times [2022-07-12 00:56:46,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:46,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644440342] [2022-07-12 00:56:46,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:46,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-12 00:56:46,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:46,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644440342] [2022-07-12 00:56:46,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644440342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:46,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:46,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:46,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521489402] [2022-07-12 00:56:46,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:46,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:46,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:46,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:46,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:46,347 INFO L87 Difference]: Start difference. First operand 4690 states and 5870 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:47,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:47,099 INFO L93 Difference]: Finished difference Result 10496 states and 13349 transitions. [2022-07-12 00:56:47,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:47,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 238 [2022-07-12 00:56:47,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:47,119 INFO L225 Difference]: With dead ends: 10496 [2022-07-12 00:56:47,120 INFO L226 Difference]: Without dead ends: 6176 [2022-07-12 00:56:47,126 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:47,127 INFO L413 NwaCegarLoop]: 350 mSDtfsCounter, 141 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:47,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 371 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:47,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2022-07-12 00:56:47,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 5978. [2022-07-12 00:56:47,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5978 states, 5977 states have (on average 1.2297139032959679) internal successors, (7350), 5977 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5978 states to 5978 states and 7350 transitions. [2022-07-12 00:56:47,228 INFO L78 Accepts]: Start accepts. Automaton has 5978 states and 7350 transitions. Word has length 238 [2022-07-12 00:56:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:47,228 INFO L495 AbstractCegarLoop]: Abstraction has 5978 states and 7350 transitions. [2022-07-12 00:56:47,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 5978 states and 7350 transitions. [2022-07-12 00:56:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-12 00:56:47,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:47,234 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:47,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 00:56:47,235 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:47,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -70460415, now seen corresponding path program 1 times [2022-07-12 00:56:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:47,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638071612] [2022-07-12 00:56:47,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:47,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-07-12 00:56:47,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:47,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638071612] [2022-07-12 00:56:47,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638071612] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:47,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:47,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:47,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567125115] [2022-07-12 00:56:47,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:47,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:47,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:47,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:47,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:47,387 INFO L87 Difference]: Start difference. First operand 5978 states and 7350 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:48,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:48,130 INFO L93 Difference]: Finished difference Result 14181 states and 17519 transitions. [2022-07-12 00:56:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:48,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2022-07-12 00:56:48,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:48,158 INFO L225 Difference]: With dead ends: 14181 [2022-07-12 00:56:48,158 INFO L226 Difference]: Without dead ends: 8573 [2022-07-12 00:56:48,167 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:48,169 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 163 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:48,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 330 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:48,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8573 states. [2022-07-12 00:56:48,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8573 to 8017. [2022-07-12 00:56:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8017 states, 8016 states have (on average 1.2169411177644711) internal successors, (9755), 8016 states have internal predecessors, (9755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:48,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8017 states to 8017 states and 9755 transitions. [2022-07-12 00:56:48,343 INFO L78 Accepts]: Start accepts. Automaton has 8017 states and 9755 transitions. Word has length 248 [2022-07-12 00:56:48,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:48,344 INFO L495 AbstractCegarLoop]: Abstraction has 8017 states and 9755 transitions. [2022-07-12 00:56:48,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 8017 states and 9755 transitions. [2022-07-12 00:56:48,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-07-12 00:56:48,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:48,350 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:48,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 00:56:48,352 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:48,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:48,352 INFO L85 PathProgramCache]: Analyzing trace with hash 2090947407, now seen corresponding path program 1 times [2022-07-12 00:56:48,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:48,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984392598] [2022-07-12 00:56:48,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:48,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2022-07-12 00:56:48,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:48,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984392598] [2022-07-12 00:56:48,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984392598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:48,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:48,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:48,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325610383] [2022-07-12 00:56:48,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:48,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:48,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:48,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:48,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:48,472 INFO L87 Difference]: Start difference. First operand 8017 states and 9755 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:49,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:49,229 INFO L93 Difference]: Finished difference Result 17345 states and 21233 transitions. [2022-07-12 00:56:49,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:49,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 258 [2022-07-12 00:56:49,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:49,262 INFO L225 Difference]: With dead ends: 17345 [2022-07-12 00:56:49,262 INFO L226 Difference]: Without dead ends: 9698 [2022-07-12 00:56:49,271 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:49,273 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 146 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:49,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 199 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:49,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9698 states. [2022-07-12 00:56:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9698 to 9304. [2022-07-12 00:56:49,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9304 states, 9303 states have (on average 1.2159518434913468) internal successors, (11312), 9303 states have internal predecessors, (11312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9304 states to 9304 states and 11312 transitions. [2022-07-12 00:56:49,426 INFO L78 Accepts]: Start accepts. Automaton has 9304 states and 11312 transitions. Word has length 258 [2022-07-12 00:56:49,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:49,426 INFO L495 AbstractCegarLoop]: Abstraction has 9304 states and 11312 transitions. [2022-07-12 00:56:49,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:49,427 INFO L276 IsEmpty]: Start isEmpty. Operand 9304 states and 11312 transitions. [2022-07-12 00:56:49,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-12 00:56:49,432 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:49,433 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:49,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 00:56:49,433 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:49,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash 973039469, now seen corresponding path program 1 times [2022-07-12 00:56:49,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:49,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994584915] [2022-07-12 00:56:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:49,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:49,537 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:56:49,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:49,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994584915] [2022-07-12 00:56:49,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994584915] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:49,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:49,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:49,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471259878] [2022-07-12 00:56:49,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:49,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:49,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:49,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:49,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:49,543 INFO L87 Difference]: Start difference. First operand 9304 states and 11312 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:50,189 INFO L93 Difference]: Finished difference Result 18205 states and 22188 transitions. [2022-07-12 00:56:50,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:50,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 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 259 [2022-07-12 00:56:50,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:50,207 INFO L225 Difference]: With dead ends: 18205 [2022-07-12 00:56:50,211 INFO L226 Difference]: Without dead ends: 9271 [2022-07-12 00:56:50,221 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:50,222 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 114 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:50,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 150 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:50,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9271 states. [2022-07-12 00:56:50,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9271 to 9086. [2022-07-12 00:56:50,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9086 states, 9085 states have (on average 1.1512383048981838) internal successors, (10459), 9085 states have internal predecessors, (10459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9086 states to 9086 states and 10459 transitions. [2022-07-12 00:56:50,349 INFO L78 Accepts]: Start accepts. Automaton has 9086 states and 10459 transitions. Word has length 259 [2022-07-12 00:56:50,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:50,349 INFO L495 AbstractCegarLoop]: Abstraction has 9086 states and 10459 transitions. [2022-07-12 00:56:50,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 2 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 9086 states and 10459 transitions. [2022-07-12 00:56:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-12 00:56:50,356 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:50,356 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:50,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 00:56:50,357 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:50,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:50,358 INFO L85 PathProgramCache]: Analyzing trace with hash 585798969, now seen corresponding path program 1 times [2022-07-12 00:56:50,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:50,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220102274] [2022-07-12 00:56:50,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:50,523 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-07-12 00:56:50,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:50,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220102274] [2022-07-12 00:56:50,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220102274] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:50,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:50,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:50,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214934610] [2022-07-12 00:56:50,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:50,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:50,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:50,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:50,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:50,526 INFO L87 Difference]: Start difference. First operand 9086 states and 10459 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:51,236 INFO L93 Difference]: Finished difference Result 18358 states and 21126 transitions. [2022-07-12 00:56:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:51,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 289 [2022-07-12 00:56:51,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:51,255 INFO L225 Difference]: With dead ends: 18358 [2022-07-12 00:56:51,255 INFO L226 Difference]: Without dead ends: 9458 [2022-07-12 00:56:51,266 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:51,266 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 145 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:51,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 374 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9458 states. [2022-07-12 00:56:51,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9458 to 9453. [2022-07-12 00:56:51,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9453 states, 9452 states have (on average 1.1241007194244603) internal successors, (10625), 9452 states have internal predecessors, (10625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:51,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9453 states to 9453 states and 10625 transitions. [2022-07-12 00:56:51,415 INFO L78 Accepts]: Start accepts. Automaton has 9453 states and 10625 transitions. Word has length 289 [2022-07-12 00:56:51,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:51,416 INFO L495 AbstractCegarLoop]: Abstraction has 9453 states and 10625 transitions. [2022-07-12 00:56:51,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:51,417 INFO L276 IsEmpty]: Start isEmpty. Operand 9453 states and 10625 transitions. [2022-07-12 00:56:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2022-07-12 00:56:51,425 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:51,426 INFO L195 NwaCegarLoop]: 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, 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, 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] [2022-07-12 00:56:51,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 00:56:51,426 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:51,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash 844810203, now seen corresponding path program 1 times [2022-07-12 00:56:51,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:51,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033483103] [2022-07-12 00:56:51,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:51,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:56:51,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:51,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033483103] [2022-07-12 00:56:51,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033483103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:51,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:51,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:51,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104093990] [2022-07-12 00:56:51,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:51,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:51,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:51,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:51,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:51,553 INFO L87 Difference]: Start difference. First operand 9453 states and 10625 transitions. Second operand has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:52,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:52,298 INFO L93 Difference]: Finished difference Result 21307 states and 24061 transitions. [2022-07-12 00:56:52,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:52,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 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 319 [2022-07-12 00:56:52,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:52,323 INFO L225 Difference]: With dead ends: 21307 [2022-07-12 00:56:52,323 INFO L226 Difference]: Without dead ends: 12224 [2022-07-12 00:56:52,334 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:52,335 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 141 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:52,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 124 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:52,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12224 states. [2022-07-12 00:56:52,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12224 to 12222. [2022-07-12 00:56:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12222 states, 12221 states have (on average 1.116111611161116) internal successors, (13640), 12221 states have internal predecessors, (13640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12222 states to 12222 states and 13640 transitions. [2022-07-12 00:56:52,512 INFO L78 Accepts]: Start accepts. Automaton has 12222 states and 13640 transitions. Word has length 319 [2022-07-12 00:56:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:52,512 INFO L495 AbstractCegarLoop]: Abstraction has 12222 states and 13640 transitions. [2022-07-12 00:56:52,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.66666666666667) internal successors, (266), 3 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 12222 states and 13640 transitions. [2022-07-12 00:56:52,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-12 00:56:52,523 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:52,523 INFO L195 NwaCegarLoop]: 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, 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, 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] [2022-07-12 00:56:52,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 00:56:52,524 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:52,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:52,524 INFO L85 PathProgramCache]: Analyzing trace with hash -235094284, now seen corresponding path program 1 times [2022-07-12 00:56:52,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:52,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315191025] [2022-07-12 00:56:52,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:52,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 242 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:52,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:52,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315191025] [2022-07-12 00:56:52,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315191025] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 00:56:52,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832129440] [2022-07-12 00:56:52,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:52,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:56:52,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:56:52,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 00:56:52,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 00:56:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:52,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 00:56:52,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 00:56:53,181 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-12 00:56:53,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 00:56:53,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832129440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:53,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 00:56:53,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-12 00:56:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605144272] [2022-07-12 00:56:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:53,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:53,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:53,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:53,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 00:56:53,189 INFO L87 Difference]: Start difference. First operand 12222 states and 13640 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:53,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:53,930 INFO L93 Difference]: Finished difference Result 25383 states and 28427 transitions. [2022-07-12 00:56:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:53,931 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 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 329 [2022-07-12 00:56:53,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:53,956 INFO L225 Difference]: With dead ends: 25383 [2022-07-12 00:56:53,957 INFO L226 Difference]: Without dead ends: 13531 [2022-07-12 00:56:53,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 00:56:53,972 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 137 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:53,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 342 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:53,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13531 states. [2022-07-12 00:56:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13531 to 13522. [2022-07-12 00:56:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13522 states, 13521 states have (on average 1.1178167295318393) internal successors, (15114), 13521 states have internal predecessors, (15114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13522 states to 13522 states and 15114 transitions. [2022-07-12 00:56:54,169 INFO L78 Accepts]: Start accepts. Automaton has 13522 states and 15114 transitions. Word has length 329 [2022-07-12 00:56:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:54,170 INFO L495 AbstractCegarLoop]: Abstraction has 13522 states and 15114 transitions. [2022-07-12 00:56:54,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 13522 states and 15114 transitions. [2022-07-12 00:56:54,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-12 00:56:54,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:54,181 INFO L195 NwaCegarLoop]: 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, 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, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:54,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 00:56:54,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-12 00:56:54,408 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:54,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2086914279, now seen corresponding path program 1 times [2022-07-12 00:56:54,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:54,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887794625] [2022-07-12 00:56:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:54,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-12 00:56:54,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:54,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887794625] [2022-07-12 00:56:54,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887794625] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:54,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:54,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:54,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081857742] [2022-07-12 00:56:54,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:54,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:54,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:54,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:54,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:54,550 INFO L87 Difference]: Start difference. First operand 13522 states and 15114 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:55,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:55,023 INFO L93 Difference]: Finished difference Result 26663 states and 29835 transitions. [2022-07-12 00:56:55,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:55,024 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 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 338 [2022-07-12 00:56:55,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:55,044 INFO L225 Difference]: With dead ends: 26663 [2022-07-12 00:56:55,045 INFO L226 Difference]: Without dead ends: 13511 [2022-07-12 00:56:55,052 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:56:55,052 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:55,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 00:56:55,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13511 states. [2022-07-12 00:56:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13511 to 13506. [2022-07-12 00:56:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13506 states, 13505 states have (on average 1.117067752684191) internal successors, (15086), 13505 states have internal predecessors, (15086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:55,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13506 states to 13506 states and 15086 transitions. [2022-07-12 00:56:55,211 INFO L78 Accepts]: Start accepts. Automaton has 13506 states and 15086 transitions. Word has length 338 [2022-07-12 00:56:55,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:55,212 INFO L495 AbstractCegarLoop]: Abstraction has 13506 states and 15086 transitions. [2022-07-12 00:56:55,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 13506 states and 15086 transitions. [2022-07-12 00:56:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-07-12 00:56:55,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:55,224 INFO L195 NwaCegarLoop]: 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, 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, 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] [2022-07-12 00:56:55,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 00:56:55,225 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:55,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:55,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1537666383, now seen corresponding path program 1 times [2022-07-12 00:56:55,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:55,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597146727] [2022-07-12 00:56:55,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:55,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:56:55,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:55,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597146727] [2022-07-12 00:56:55,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597146727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:55,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:55,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:55,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982756560] [2022-07-12 00:56:55,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:55,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:55,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:55,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:55,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:55,388 INFO L87 Difference]: Start difference. First operand 13506 states and 15086 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:56,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:56,591 INFO L93 Difference]: Finished difference Result 28862 states and 32245 transitions. [2022-07-12 00:56:56,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:56,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 350 [2022-07-12 00:56:56,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:56,617 INFO L225 Difference]: With dead ends: 28862 [2022-07-12 00:56:56,617 INFO L226 Difference]: Without dead ends: 15726 [2022-07-12 00:56:56,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:56,630 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 216 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:56,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 138 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 00:56:56,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15726 states. [2022-07-12 00:56:56,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15726 to 15718. [2022-07-12 00:56:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15718 states, 15717 states have (on average 1.1105172742889864) internal successors, (17454), 15717 states have internal predecessors, (17454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15718 states to 15718 states and 17454 transitions. [2022-07-12 00:56:56,830 INFO L78 Accepts]: Start accepts. Automaton has 15718 states and 17454 transitions. Word has length 350 [2022-07-12 00:56:56,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:56,830 INFO L495 AbstractCegarLoop]: Abstraction has 15718 states and 17454 transitions. [2022-07-12 00:56:56,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 15718 states and 17454 transitions. [2022-07-12 00:56:56,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-12 00:56:56,843 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:56,843 INFO L195 NwaCegarLoop]: 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, 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, 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] [2022-07-12 00:56:56,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 00:56:56,844 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:56,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:56,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1164252215, now seen corresponding path program 1 times [2022-07-12 00:56:56,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:56,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493004028] [2022-07-12 00:56:56,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:56,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-07-12 00:56:57,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:57,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493004028] [2022-07-12 00:56:57,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [493004028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:57,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:57,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 00:56:57,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094124780] [2022-07-12 00:56:57,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:57,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:57,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:57,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:57,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:57,033 INFO L87 Difference]: Start difference. First operand 15718 states and 17454 transitions. Second operand has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:58,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:58,119 INFO L93 Difference]: Finished difference Result 32359 states and 35959 transitions. [2022-07-12 00:56:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:58,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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 363 [2022-07-12 00:56:58,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:58,141 INFO L225 Difference]: With dead ends: 32359 [2022-07-12 00:56:58,141 INFO L226 Difference]: Without dead ends: 17011 [2022-07-12 00:56:58,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:58,153 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 308 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 1266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:58,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 136 Invalid, 1266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 00:56:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17011 states. [2022-07-12 00:56:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17011 to 16270. [2022-07-12 00:56:58,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16270 states, 16269 states have (on average 1.108980269223677) internal successors, (18042), 16269 states have internal predecessors, (18042), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16270 states to 16270 states and 18042 transitions. [2022-07-12 00:56:58,446 INFO L78 Accepts]: Start accepts. Automaton has 16270 states and 18042 transitions. Word has length 363 [2022-07-12 00:56:58,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:58,446 INFO L495 AbstractCegarLoop]: Abstraction has 16270 states and 18042 transitions. [2022-07-12 00:56:58,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 16270 states and 18042 transitions. [2022-07-12 00:56:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-12 00:56:58,458 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:58,458 INFO L195 NwaCegarLoop]: 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, 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, 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] [2022-07-12 00:56:58,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 00:56:58,458 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:58,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:58,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1462969262, now seen corresponding path program 1 times [2022-07-12 00:56:58,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:58,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137926488] [2022-07-12 00:56:58,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:58,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-12 00:56:58,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:58,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137926488] [2022-07-12 00:56:58,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137926488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:58,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:58,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:58,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155393990] [2022-07-12 00:56:58,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:58,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:58,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:58,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:58,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:58,616 INFO L87 Difference]: Start difference. First operand 16270 states and 18042 transitions. Second operand has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:59,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:59,746 INFO L93 Difference]: Finished difference Result 43057 states and 47697 transitions. [2022-07-12 00:56:59,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:59,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 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 377 [2022-07-12 00:56:59,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:59,773 INFO L225 Difference]: With dead ends: 43057 [2022-07-12 00:56:59,773 INFO L226 Difference]: Without dead ends: 26233 [2022-07-12 00:56:59,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:59,788 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 225 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 1273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:59,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 69 Invalid, 1273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 00:56:59,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26233 states. [2022-07-12 00:57:00,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26233 to 24940. [2022-07-12 00:57:00,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24940 states, 24939 states have (on average 1.1017282168491118) internal successors, (27476), 24939 states have internal predecessors, (27476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:00,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24940 states to 24940 states and 27476 transitions. [2022-07-12 00:57:00,151 INFO L78 Accepts]: Start accepts. Automaton has 24940 states and 27476 transitions. Word has length 377 [2022-07-12 00:57:00,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:00,152 INFO L495 AbstractCegarLoop]: Abstraction has 24940 states and 27476 transitions. [2022-07-12 00:57:00,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 74.25) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:00,152 INFO L276 IsEmpty]: Start isEmpty. Operand 24940 states and 27476 transitions. [2022-07-12 00:57:00,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2022-07-12 00:57:00,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:00,168 INFO L195 NwaCegarLoop]: 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, 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, 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, 1] [2022-07-12 00:57:00,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 00:57:00,169 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:00,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:00,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1797707710, now seen corresponding path program 1 times [2022-07-12 00:57:00,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:00,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690467508] [2022-07-12 00:57:00,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:00,402 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2022-07-12 00:57:00,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:00,403 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690467508] [2022-07-12 00:57:00,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690467508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:57:00,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:57:00,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:57:00,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310090389] [2022-07-12 00:57:00,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:57:00,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:57:00,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:00,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:57:00,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:57:00,406 INFO L87 Difference]: Start difference. First operand 24940 states and 27476 transitions. Second operand has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:01,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:01,004 INFO L93 Difference]: Finished difference Result 28806 states and 31708 transitions. [2022-07-12 00:57:01,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:57:01,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 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 408 [2022-07-12 00:57:01,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:01,041 INFO L225 Difference]: With dead ends: 28806 [2022-07-12 00:57:01,041 INFO L226 Difference]: Without dead ends: 28804 [2022-07-12 00:57:01,050 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:57:01,051 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 166 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:01,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 132 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 00:57:01,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28804 states. [2022-07-12 00:57:01,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28804 to 25308. [2022-07-12 00:57:01,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25308 states, 25307 states have (on average 1.1021851661595605) internal successors, (27893), 25307 states have internal predecessors, (27893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25308 states to 25308 states and 27893 transitions. [2022-07-12 00:57:01,393 INFO L78 Accepts]: Start accepts. Automaton has 25308 states and 27893 transitions. Word has length 408 [2022-07-12 00:57:01,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:01,394 INFO L495 AbstractCegarLoop]: Abstraction has 25308 states and 27893 transitions. [2022-07-12 00:57:01,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.0) internal successors, (207), 3 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:01,395 INFO L276 IsEmpty]: Start isEmpty. Operand 25308 states and 27893 transitions. [2022-07-12 00:57:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-12 00:57:01,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:01,412 INFO L195 NwaCegarLoop]: 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:57:01,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 00:57:01,413 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:01,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:01,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1512001580, now seen corresponding path program 1 times [2022-07-12 00:57:01,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:01,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772724441] [2022-07-12 00:57:01,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:01,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 458 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:57:01,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:01,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772724441] [2022-07-12 00:57:01,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772724441] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:57:01,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:57:01,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:57:01,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742482646] [2022-07-12 00:57:01,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:57:01,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:57:01,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:01,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:57:01,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:57:01,547 INFO L87 Difference]: Start difference. First operand 25308 states and 27893 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:02,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:02,325 INFO L93 Difference]: Finished difference Result 54667 states and 60218 transitions. [2022-07-12 00:57:02,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:57:02,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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 419 [2022-07-12 00:57:02,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:02,356 INFO L225 Difference]: With dead ends: 54667 [2022-07-12 00:57:02,356 INFO L226 Difference]: Without dead ends: 29913 [2022-07-12 00:57:02,372 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:57:02,373 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 111 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:02,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 68 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:57:02,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29913 states. [2022-07-12 00:57:02,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29913 to 29724. [2022-07-12 00:57:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29724 states, 29723 states have (on average 1.0919489957272146) internal successors, (32456), 29723 states have internal predecessors, (32456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29724 states to 29724 states and 32456 transitions. [2022-07-12 00:57:02,661 INFO L78 Accepts]: Start accepts. Automaton has 29724 states and 32456 transitions. Word has length 419 [2022-07-12 00:57:02,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:02,662 INFO L495 AbstractCegarLoop]: Abstraction has 29724 states and 32456 transitions. [2022-07-12 00:57:02,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29724 states and 32456 transitions. [2022-07-12 00:57:02,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-12 00:57:02,671 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:02,671 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-12 00:57:02,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 00:57:02,671 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:02,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:02,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1594395410, now seen corresponding path program 1 times [2022-07-12 00:57:02,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:02,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050610940] [2022-07-12 00:57:02,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:02,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:57:02,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:02,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050610940] [2022-07-12 00:57:02,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050610940] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:57:02,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:57:02,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 00:57:02,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822796744] [2022-07-12 00:57:02,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:57:02,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:57:02,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:02,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:57:02,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:57:02,832 INFO L87 Difference]: Start difference. First operand 29724 states and 32456 transitions. Second operand has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:03,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:03,942 INFO L93 Difference]: Finished difference Result 63687 states and 69564 transitions. [2022-07-12 00:57:03,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:57:03,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 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 427 [2022-07-12 00:57:03,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:03,984 INFO L225 Difference]: With dead ends: 63687 [2022-07-12 00:57:03,984 INFO L226 Difference]: Without dead ends: 34701 [2022-07-12 00:57:04,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:57:04,020 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 266 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:04,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 85 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 00:57:04,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34701 states. [2022-07-12 00:57:04,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34701 to 30831. [2022-07-12 00:57:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30831 states, 30830 states have (on average 1.0880960103795005) internal successors, (33546), 30830 states have internal predecessors, (33546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:04,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30831 states to 30831 states and 33546 transitions. [2022-07-12 00:57:04,355 INFO L78 Accepts]: Start accepts. Automaton has 30831 states and 33546 transitions. Word has length 427 [2022-07-12 00:57:04,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:04,355 INFO L495 AbstractCegarLoop]: Abstraction has 30831 states and 33546 transitions. [2022-07-12 00:57:04,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 93.5) internal successors, (374), 4 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:04,355 INFO L276 IsEmpty]: Start isEmpty. Operand 30831 states and 33546 transitions. [2022-07-12 00:57:04,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-12 00:57:04,364 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:04,365 INFO L195 NwaCegarLoop]: 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, 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, 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, 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] [2022-07-12 00:57:04,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 00:57:04,365 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:04,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:04,366 INFO L85 PathProgramCache]: Analyzing trace with hash 974136964, now seen corresponding path program 1 times [2022-07-12 00:57:04,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:04,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484411136] [2022-07-12 00:57:04,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:04,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:04,588 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 249 proven. 191 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:57:04,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:04,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484411136] [2022-07-12 00:57:04,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484411136] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 00:57:04,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102380699] [2022-07-12 00:57:04,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:04,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:57:04,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:57:04,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 00:57:04,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 00:57:04,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:04,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 00:57:04,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 00:57:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 230 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:57:05,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 00:57:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 303 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:57:07,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102380699] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 00:57:07,660 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 00:57:07,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2022-07-12 00:57:07,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250288573] [2022-07-12 00:57:07,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 00:57:07,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 00:57:07,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:07,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 00:57:07,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-12 00:57:07,664 INFO L87 Difference]: Start difference. First operand 30831 states and 33546 transitions. Second operand has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:13,491 INFO L93 Difference]: Finished difference Result 76957 states and 83699 transitions. [2022-07-12 00:57:13,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-12 00:57:13,492 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 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 430 [2022-07-12 00:57:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:13,538 INFO L225 Difference]: With dead ends: 76957 [2022-07-12 00:57:13,539 INFO L226 Difference]: Without dead ends: 46312 [2022-07-12 00:57:13,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 881 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=252, Invalid=618, Unknown=0, NotChecked=0, Total=870 [2022-07-12 00:57:13,563 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 3001 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 6428 mSolverCounterSat, 1721 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 8149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1721 IncrementalHoareTripleChecker+Valid, 6428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:13,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3001 Valid, 240 Invalid, 8149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1721 Valid, 6428 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-12 00:57:13,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46312 states. [2022-07-12 00:57:13,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46312 to 29359. [2022-07-12 00:57:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29359 states, 29358 states have (on average 1.077287281149942) internal successors, (31627), 29358 states have internal predecessors, (31627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29359 states to 29359 states and 31627 transitions. [2022-07-12 00:57:13,992 INFO L78 Accepts]: Start accepts. Automaton has 29359 states and 31627 transitions. Word has length 430 [2022-07-12 00:57:13,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:13,992 INFO L495 AbstractCegarLoop]: Abstraction has 29359 states and 31627 transitions. [2022-07-12 00:57:13,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 102.83333333333333) internal successors, (1234), 11 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 29359 states and 31627 transitions. [2022-07-12 00:57:13,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2022-07-12 00:57:13,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:14,000 INFO L195 NwaCegarLoop]: 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:57:14,018 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 00:57:14,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-07-12 00:57:14,206 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:14,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:14,207 INFO L85 PathProgramCache]: Analyzing trace with hash -742651351, now seen corresponding path program 1 times [2022-07-12 00:57:14,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:14,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248216822] [2022-07-12 00:57:14,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:14,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-07-12 00:57:14,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:14,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248216822] [2022-07-12 00:57:14,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248216822] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:57:14,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:57:14,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:57:14,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916733594] [2022-07-12 00:57:14,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:57:14,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:57:14,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:14,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:57:14,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:57:14,389 INFO L87 Difference]: Start difference. First operand 29359 states and 31627 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:15,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:15,054 INFO L93 Difference]: Finished difference Result 34145 states and 36690 transitions. [2022-07-12 00:57:15,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:57:15,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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 444 [2022-07-12 00:57:15,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:15,096 INFO L225 Difference]: With dead ends: 34145 [2022-07-12 00:57:15,096 INFO L226 Difference]: Without dead ends: 34143 [2022-07-12 00:57:15,105 INFO L412 NwaCegarLoop]: 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 [2022-07-12 00:57:15,106 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 168 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:15,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 131 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 00:57:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34143 states. [2022-07-12 00:57:15,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34143 to 28991. [2022-07-12 00:57:15,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28991 states, 28990 states have (on average 1.0777854432562952) internal successors, (31245), 28990 states have internal predecessors, (31245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:15,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28991 states to 28991 states and 31245 transitions. [2022-07-12 00:57:15,395 INFO L78 Accepts]: Start accepts. Automaton has 28991 states and 31245 transitions. Word has length 444 [2022-07-12 00:57:15,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:15,396 INFO L495 AbstractCegarLoop]: Abstraction has 28991 states and 31245 transitions. [2022-07-12 00:57:15,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:15,396 INFO L276 IsEmpty]: Start isEmpty. Operand 28991 states and 31245 transitions. [2022-07-12 00:57:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-12 00:57:15,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:15,406 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-12 00:57:15,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 00:57:15,407 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:15,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:15,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1644491105, now seen corresponding path program 1 times [2022-07-12 00:57:15,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:15,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119710225] [2022-07-12 00:57:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:15,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:57:15,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:15,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119710225] [2022-07-12 00:57:15,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119710225] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 00:57:15,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203650667] [2022-07-12 00:57:15,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:15,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:57:15,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:57:15,649 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 00:57:15,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 00:57:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:15,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 00:57:15,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 00:57:17,023 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:57:17,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 00:57:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 464 proven. 222 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-07-12 00:57:18,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203650667] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 00:57:18,612 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 00:57:18,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-07-12 00:57:18,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434318366] [2022-07-12 00:57:18,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 00:57:18,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 00:57:18,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:18,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 00:57:18,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-07-12 00:57:18,614 INFO L87 Difference]: Start difference. First operand 28991 states and 31245 transitions. Second operand has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:22,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:22,670 INFO L93 Difference]: Finished difference Result 61015 states and 65618 transitions. [2022-07-12 00:57:22,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 00:57:22,671 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 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 505 [2022-07-12 00:57:22,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:22,701 INFO L225 Difference]: With dead ends: 61015 [2022-07-12 00:57:22,702 INFO L226 Difference]: Without dead ends: 32394 [2022-07-12 00:57:22,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 1002 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=536, Unknown=0, NotChecked=0, Total=812 [2022-07-12 00:57:22,712 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 3010 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 1685 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3010 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 5631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1685 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:22,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3010 Valid, 105 Invalid, 5631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1685 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 00:57:22,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32394 states. [2022-07-12 00:57:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32394 to 18833. [2022-07-12 00:57:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18833 states, 18832 states have (on average 1.0752973661852168) internal successors, (20250), 18832 states have internal predecessors, (20250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18833 states to 18833 states and 20250 transitions. [2022-07-12 00:57:22,945 INFO L78 Accepts]: Start accepts. Automaton has 18833 states and 20250 transitions. Word has length 505 [2022-07-12 00:57:22,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:22,945 INFO L495 AbstractCegarLoop]: Abstraction has 18833 states and 20250 transitions. [2022-07-12 00:57:22,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 64.27272727272727) internal successors, (707), 10 states have internal predecessors, (707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 18833 states and 20250 transitions. [2022-07-12 00:57:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2022-07-12 00:57:22,956 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:57:22,957 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-12 00:57:22,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-12 00:57:23,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:57:23,172 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:57:23,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:57:23,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1592139152, now seen corresponding path program 1 times [2022-07-12 00:57:23,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:57:23,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435911468] [2022-07-12 00:57:23,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:57:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 410 proven. 206 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-12 00:57:23,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:57:23,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435911468] [2022-07-12 00:57:23,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435911468] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 00:57:23,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42784414] [2022-07-12 00:57:23,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:57:23,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:57:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:57:23,433 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 00:57:23,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 00:57:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:57:23,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-12 00:57:23,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 00:57:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 356 proven. 260 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-12 00:57:24,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 00:57:26,261 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 547 proven. 69 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2022-07-12 00:57:26,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42784414] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 00:57:26,262 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 00:57:26,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-07-12 00:57:26,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397244703] [2022-07-12 00:57:26,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 00:57:26,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 00:57:26,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:57:26,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 00:57:26,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-12 00:57:26,265 INFO L87 Difference]: Start difference. First operand 18833 states and 20250 transitions. Second operand has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:29,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:57:29,741 INFO L93 Difference]: Finished difference Result 47624 states and 51281 transitions. [2022-07-12 00:57:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 00:57:29,742 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 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 541 [2022-07-12 00:57:29,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:57:29,742 INFO L225 Difference]: With dead ends: 47624 [2022-07-12 00:57:29,742 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 00:57:29,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1076 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=49, Unknown=0, NotChecked=0, Total=90 [2022-07-12 00:57:29,758 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 1037 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4425 mSolverCounterSat, 547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 4972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 547 IncrementalHoareTripleChecker+Valid, 4425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 00:57:29,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 167 Invalid, 4972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [547 Valid, 4425 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 00:57:29,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 00:57:29,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 00:57:29,759 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) [2022-07-12 00:57:29,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 00:57:29,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 541 [2022-07-12 00:57:29,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:57:29,759 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 00:57:29,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 85.3) internal successors, (853), 10 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:57:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 00:57:29,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 00:57:29,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 00:57:29,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 00:57:29,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:57:29,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 00:57:37,959 WARN L233 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 935 DAG size of output: 888 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-12 00:57:45,491 WARN L233 SmtUtils]: Spent 7.53s on a formula simplification. DAG size of input: 932 DAG size of output: 888 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-12 00:57:51,142 WARN L233 SmtUtils]: Spent 5.64s on a formula simplification. DAG size of input: 884 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-12 00:57:56,825 WARN L233 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 884 DAG size of output: 173 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2022-07-12 00:57:56,829 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-12 00:57:56,829 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,830 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,831 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-12 00:57:56,832 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,833 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,834 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,835 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse32 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse18 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse6 (= ~a8~0 15)) (.cse0 (= ~a25~0 12)) (.cse25 (= ~a25~0 13)) (.cse31 (div (+ 25350 .cse32) 5)) (.cse23 (< 0 (+ ~a23~0 43))) (.cse2 (<= 141 ~a29~0))) (let ((.cse5 (<= 312 ~a23~0)) (.cse20 (< (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 220)) (.cse8 (or .cse23 .cse2 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)))) (.cse9 (or (< 0 (+ 110739 .cse31)) (not (= (mod .cse32 5) 0)))) (.cse10 (< 0 (+ .cse31 110740))) (.cse11 (= ~a4~0 0)) (.cse26 (< ~a29~0 599999)) (.cse28 (<= ~a29~0 277)) (.cse27 (not .cse25)) (.cse30 (not .cse0)) (.cse29 (or (and .cse18 .cse4 (<= 115637 ~a29~0) .cse6) (and .cse4 .cse6 (<= 115953 ~a29~0)))) (.cse15 (<= 260 ~a29~0)) (.cse14 (<= 173 ~a23~0)) (.cse12 (<= ~a23~0 312)) (.cse17 (<= 141 ~a23~0)) (.cse16 (<= ~a29~0 275)) (.cse22 (<= 245 ~a29~0)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse7 (= ~a25~0 10)) (.cse13 (= ~a25~0 11)) (.cse1 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse13 .cse3 .cse12 .cse6) (and .cse13 .cse14 .cse3 .cse4 (<= 0 (+ ~a29~0 554195)) .cse12 .cse6) (and .cse15 .cse16 .cse0 .cse11 .cse3 .cse6) (and .cse15 .cse13 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse18 .cse3 .cse19 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse6 .cse7) (and .cse15 .cse11 .cse18 .cse3 .cse12 .cse6) (and .cse9 .cse10 (or (and .cse18 .cse14 .cse4 .cse12) (and .cse4 .cse7)) .cse3 .cse6) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6 .cse20) (and .cse13 .cse21 .cse4 .cse6 .cse22) (and .cse9 .cse10 .cse11 .cse3 .cse19 .cse6 .cse7) (and .cse0 .cse9 .cse10 .cse11 (<= (+ ~a29~0 580291) 0) .cse23 .cse3 .cse6 (let ((.cse24 (mod ~a29~0 15))) (or (< 4 .cse24) (= .cse24 0)))) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse25 .cse14 .cse26 .cse3 .cse4 .cse6) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse3 .cse6 (or (and .cse0 .cse4 .cse12 .cse20) (and .cse18 .cse4 .cse12 .cse20 .cse17))) (and .cse18 .cse2 .cse3 .cse4 .cse6) (and (or .cse27 .cse28) (or (and .cse29 .cse21) (and .cse25 .cse19 .cse21 .cse4 .cse6 (<= 130 ~a29~0)) (and .cse15 .cse18 .cse21 .cse4 .cse6)) .cse30) (and .cse25 .cse3 .cse19 (<= 0 (+ 7792 ~a29~0)) .cse4 .cse6 .cse17) (and .cse8 .cse25 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse27 .cse26 .cse30 .cse29 .cse3) (and .cse15 .cse0 .cse28 .cse14 .cse3 .cse4 .cse6) (and .cse27 (<= 300138 ~a29~0) .cse30 .cse3 (<= ~a29~0 600297) .cse4 .cse6) (and .cse3 (or (and .cse27 .cse30 .cse29 .cse12) (and .cse15 .cse13 .cse4 .cse12 .cse6 (<= 103953 ~a29~0)))) (and .cse15 .cse13 .cse14 .cse3 .cse4 .cse6) (and .cse0 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse16 .cse13 .cse3 .cse4 .cse6 .cse22) (and .cse21 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse6))))) [2022-07-12 00:57:56,835 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,835 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-12 00:57:56,835 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-12 00:57:56,835 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-12 00:57:56,836 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,837 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,838 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-12 00:57:56,839 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse32 (div (+ (* ~a29~0 3) (- 554771)) 5))) (let ((.cse18 (<= ~a25~0 10)) (.cse4 (= ~a4~0 1)) (.cse6 (= ~a8~0 15)) (.cse0 (= ~a25~0 12)) (.cse25 (= ~a25~0 13)) (.cse31 (div (+ 25350 .cse32) 5)) (.cse23 (< 0 (+ ~a23~0 43))) (.cse2 (<= 141 ~a29~0))) (let ((.cse5 (<= 312 ~a23~0)) (.cse20 (< (+ ~a29~0 21) 0)) (.cse19 (<= ~a29~0 220)) (.cse8 (or .cse23 .cse2 (not (= |ULTIMATE.start_calculate_output_~input#1| 4)))) (.cse9 (or (< 0 (+ 110739 .cse31)) (not (= (mod .cse32 5) 0)))) (.cse10 (< 0 (+ .cse31 110740))) (.cse11 (= ~a4~0 0)) (.cse26 (< ~a29~0 599999)) (.cse28 (<= ~a29~0 277)) (.cse27 (not .cse25)) (.cse30 (not .cse0)) (.cse29 (or (and .cse18 .cse4 (<= 115637 ~a29~0) .cse6) (and .cse4 .cse6 (<= 115953 ~a29~0)))) (.cse15 (<= 260 ~a29~0)) (.cse14 (<= 173 ~a23~0)) (.cse12 (<= ~a23~0 312)) (.cse17 (<= 141 ~a23~0)) (.cse16 (<= ~a29~0 275)) (.cse22 (<= 245 ~a29~0)) (.cse21 (<= (+ 119992 ~a23~0) 0)) (.cse7 (= ~a25~0 10)) (.cse13 (= ~a25~0 11)) (.cse1 (<= ~a29~0 274)) (.cse3 (= ~a3~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse13 .cse3 .cse12 .cse6) (and .cse13 .cse14 .cse3 .cse4 (<= 0 (+ ~a29~0 554195)) .cse12 .cse6) (and .cse15 .cse16 .cse0 .cse11 .cse3 .cse6) (and .cse15 .cse13 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse9 .cse10 .cse11 .cse18 .cse3 .cse19 .cse12 .cse6) (and .cse9 .cse10 .cse11 .cse3 .cse12 .cse6 .cse7) (and .cse15 .cse11 .cse18 .cse3 .cse12 .cse6) (and .cse9 .cse10 (or (and .cse18 .cse14 .cse4 .cse12) (and .cse4 .cse7)) .cse3 .cse6) (and .cse0 .cse9 .cse10 .cse3 .cse4 .cse6 .cse20) (and .cse13 .cse21 .cse4 .cse6 .cse22) (and .cse9 .cse10 .cse11 .cse3 .cse19 .cse6 .cse7) (and .cse0 .cse9 .cse10 .cse11 (<= (+ ~a29~0 580291) 0) .cse23 .cse3 .cse6 (let ((.cse24 (mod ~a29~0 15))) (or (< 4 .cse24) (= .cse24 0)))) (and .cse0 .cse11 .cse1 .cse2 .cse3 .cse6) (and .cse25 .cse14 .cse26 .cse3 .cse4 .cse6) (and .cse25 .cse1 .cse2 .cse3 .cse4 .cse6) (and .cse3 .cse6 (or (and .cse0 .cse4 .cse12 .cse20) (and .cse18 .cse4 .cse12 .cse20 .cse17))) (and .cse18 .cse2 .cse3 .cse4 .cse6) (and (or .cse27 .cse28) (or (and .cse29 .cse21) (and .cse25 .cse19 .cse21 .cse4 .cse6 (<= 130 ~a29~0)) (and .cse15 .cse18 .cse21 .cse4 .cse6)) .cse30) (and .cse25 .cse3 .cse19 (<= 0 (+ 7792 ~a29~0)) .cse4 .cse6 .cse17) (and .cse8 .cse25 .cse9 .cse10 .cse11 .cse3 .cse12 .cse6) (and .cse27 .cse26 .cse30 .cse29 .cse3) (and .cse15 .cse0 .cse28 .cse14 .cse3 .cse4 .cse6) (and .cse27 (<= 300138 ~a29~0) .cse30 .cse3 (<= ~a29~0 600297) .cse4 .cse6) (and .cse3 (or (and .cse27 .cse30 .cse29 .cse12) (and .cse15 .cse13 .cse4 .cse12 .cse6 (<= 103953 ~a29~0)))) (and .cse15 .cse13 .cse14 .cse3 .cse4 .cse6) (and .cse0 .cse3 .cse4 .cse12 .cse6 .cse17) (and .cse16 .cse13 .cse3 .cse4 .cse6 .cse22) (and .cse21 .cse4 .cse6 .cse7) (and .cse13 .cse1 .cse2 .cse3 .cse4 .cse6))))) [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-12 00:57:56,840 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,841 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-12 00:57:56,842 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-12 00:57:56,843 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-12 00:57:56,844 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-12 00:57:56,845 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,846 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-12 00:57:56,847 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,848 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,849 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,850 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,851 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-12 00:57:56,852 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,853 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 00:57:56,854 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-12 00:57:56,855 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-12 00:57:56,856 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:57:56,857 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,857 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,857 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-12 00:57:56,857 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-12 00:57:56,857 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-12 00:57:56,857 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-12 00:57:56,860 INFO L356 BasicCegarLoop]: Path program 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] [2022-07-12 00:57:56,862 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 00:57:56,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 12:57:56 BoogieIcfgContainer [2022-07-12 00:57:56,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 00:57:56,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 00:57:56,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 00:57:56,898 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 00:57:56,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:56:39" (3/4) ... [2022-07-12 00:57:56,900 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 00:57:56,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 00:57:56,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 00:57:56,922 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 00:57:56,923 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 00:57:57,040 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 00:57:57,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 00:57:57,041 INFO L158 Benchmark]: Toolchain (without parser) took 79924.99ms. Allocated memory was 90.2MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 52.3MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 354.6MB. Max. memory is 16.1GB. [2022-07-12 00:57:57,041 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 00:57:57,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.54ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 50.7MB in the end (delta: 1.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-07-12 00:57:57,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 160.75ms. Allocated memory is still 109.1MB. Free memory was 50.7MB in the beginning and 71.6MB in the end (delta: -20.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-07-12 00:57:57,042 INFO L158 Benchmark]: Boogie Preprocessor took 118.33ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 62.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 00:57:57,043 INFO L158 Benchmark]: RCFGBuilder took 1468.52ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 62.5MB in the beginning and 72.3MB in the end (delta: -9.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2022-07-12 00:57:57,045 INFO L158 Benchmark]: TraceAbstraction took 77388.39ms. Allocated memory was 157.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 71.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-12 00:57:57,045 INFO L158 Benchmark]: Witness Printer took 143.33ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 00:57:57,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory was 60.1MB in the beginning and 60.1MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.54ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 50.7MB in the end (delta: 1.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 160.75ms. Allocated memory is still 109.1MB. Free memory was 50.7MB in the beginning and 71.6MB in the end (delta: -20.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.33ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 62.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1468.52ms. Allocated memory was 109.1MB in the beginning and 157.3MB in the end (delta: 48.2MB). Free memory was 62.5MB in the beginning and 72.3MB in the end (delta: -9.8MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * TraceAbstraction took 77388.39ms. Allocated memory was 157.3MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 71.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 143.33ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 16.0MB). 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: 184]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 77.3s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 31.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 26.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10757 SdHoareTripleChecker+Valid, 27.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10757 mSDsluCounter, 4463 SdHoareTripleChecker+Invalid, 22.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 886 mSDsCounter, 6376 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28657 IncrementalHoareTripleChecker+Invalid, 35033 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6376 mSolverCounterUnsat, 3577 mSDtfsCounter, 28657 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3389 GetRequests, 3292 SyntacticMatches, 4 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30831occurred in iteration=20, InterpolantAutomatonStates: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.2s AutomataMinimizationTime, 24 MinimizatonAttempts, 47029 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 341 NumberOfFragments, 2381 HoareAnnotationTreeSize, 3 FomulaSimplifications, 94442 FormulaSimplificationTreeSizeReduction, 15.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120618 FormulaSimplificationTreeSizeReductionInter, 11.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 9308 NumberOfCodeBlocks, 9308 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 10753 ConstructedInterpolants, 0 QuantifiedInterpolants, 48588 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2447 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 10167/12043 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: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 312 <= a23) && a8 == 15) && a25 == 10)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 12) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && 173 <= a23) && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a23 <= 312) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || ((((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((260 <= a29 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && ((((a25 <= 10 && 173 <= a23) && a4 == 1) && a23 <= 312) || (a4 == 1 && a25 == 10))) && a3 == 1) && a8 == 15)) || ((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a3 == 1) && a4 == 1) && a8 == 15) && a29 + 21 < 0)) || ((((a25 == 11 && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a29 + 580291 <= 0) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && (4 < a29 % 15 || a29 % 15 == 0))) || (((((a25 == 12 && a4 == 0) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15)) || (((((a25 == 13 && 173 <= a23) && a29 < 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) || ((((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) && 141 <= a23)))) || ((((a25 <= 10 && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((!(a25 == 13) || a29 <= 277) && (((((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29)) && 119992 + a23 <= 0) || (((((a25 == 13 && a29 <= 220) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a25 <= 10) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15))) && !(a25 == 12))) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && 0 <= 7792 + a29) && a4 == 1) && a8 == 15) && 141 <= a23)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 13) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((!(a25 == 13) && a29 < 599999) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a3 == 1)) || ((((((260 <= a29 && a25 == 12) && a29 <= 277) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((!(a25 == 13) && 300138 <= a29) && !(a25 == 12)) && a3 == 1) && a29 <= 600297) && a4 == 1) && a8 == 15)) || (a3 == 1 && ((((!(a25 == 13) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a23 <= 312) || (((((260 <= a29 && a25 == 11) && a4 == 1) && a23 <= 312) && a8 == 15) && 103953 <= a29)))) || (((((260 <= a29 && a25 == 11) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || (((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((119992 + a23 <= 0 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 11 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a25 == 12 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) || ((((a3 == 1 && a4 == 1) && 312 <= a23) && a8 == 15) && a25 == 10)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 12) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 == 11) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((((a25 == 11 && 173 <= a23) && a3 == 1) && a4 == 1) && 0 <= a29 + 554195) && a23 <= 312) && a8 == 15)) || (((((260 <= a29 && a29 <= 275) && a25 == 12) && a4 == 0) && a3 == 1) && a8 == 15)) || ((((((260 <= a29 && a25 == 11) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || ((((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a25 <= 10) && a3 == 1) && a29 <= 220) && a23 <= 312) && a8 == 15)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15) && a25 == 10)) || (((((260 <= a29 && a4 == 0) && a25 <= 10) && a3 == 1) && a23 <= 312) && a8 == 15)) || (((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && ((((a25 <= 10 && 173 <= a23) && a4 == 1) && a23 <= 312) || (a4 == 1 && a25 == 10))) && a3 == 1) && a8 == 15)) || ((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a3 == 1) && a4 == 1) && a8 == 15) && a29 + 21 < 0)) || ((((a25 == 11 && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((((((0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0)) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || ((((((((a25 == 12 && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a29 + 580291 <= 0) && 0 < a23 + 43) && a3 == 1) && a8 == 15) && (4 < a29 % 15 || a29 % 15 == 0))) || (((((a25 == 12 && a4 == 0) && a29 <= 274) && 141 <= a29) && a3 == 1) && a8 == 15)) || (((((a25 == 13 && 173 <= a23) && a29 < 599999) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || ((a3 == 1 && a8 == 15) && ((((a25 == 12 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) || ((((a25 <= 10 && a4 == 1) && a23 <= 312) && a29 + 21 < 0) && 141 <= a23)))) || ((((a25 <= 10 && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15)) || (((!(a25 == 13) || a29 <= 277) && (((((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29)) && 119992 + a23 <= 0) || (((((a25 == 13 && a29 <= 220) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15) && 130 <= a29)) || ((((260 <= a29 && a25 <= 10) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15))) && !(a25 == 12))) || ((((((a25 == 13 && a3 == 1) && a29 <= 220) && 0 <= 7792 + a29) && a4 == 1) && a8 == 15) && 141 <= a23)) || (((((((((0 < a23 + 43 || 141 <= a29) || !(input == 4)) && a25 == 13) && (0 < 110739 + (25350 + (a29 * 3 + -554771) / 5) / 5 || !((a29 * 3 + -554771) / 5 % 5 == 0))) && 0 < (25350 + (a29 * 3 + -554771) / 5) / 5 + 110740) && a4 == 0) && a3 == 1) && a23 <= 312) && a8 == 15)) || ((((!(a25 == 13) && a29 < 599999) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a3 == 1)) || ((((((260 <= a29 && a25 == 12) && a29 <= 277) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((!(a25 == 13) && 300138 <= a29) && !(a25 == 12)) && a3 == 1) && a29 <= 600297) && a4 == 1) && a8 == 15)) || (a3 == 1 && ((((!(a25 == 13) && !(a25 == 12)) && ((((a25 <= 10 && a4 == 1) && 115637 <= a29) && a8 == 15) || ((a4 == 1 && a8 == 15) && 115953 <= a29))) && a23 <= 312) || (((((260 <= a29 && a25 == 11) && a4 == 1) && a23 <= 312) && a8 == 15) && 103953 <= a29)))) || (((((260 <= a29 && a25 == 11) && 173 <= a23) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 12 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15) && 141 <= a23)) || (((((a29 <= 275 && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15) && 245 <= a29)) || (((119992 + a23 <= 0 && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 11 && a29 <= 274) && 141 <= a29) && a3 == 1) && a4 == 1) && a8 == 15) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-12 00:57:57,089 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