./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/openssl-simplified/s3_clnt_1.cil-1.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 9d22078cc0ed1f6555ed02c6ceb2e5694208de3c10c4e0f5a14ad82c4e25bb79 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:30:51,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:30:51,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:30:51,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:30:51,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:30:51,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:30:51,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:30:51,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:30:51,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:30:51,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:30:51,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:30:51,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:30:51,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:30:51,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:30:51,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:30:51,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:30:51,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:30:51,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:30:51,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:30:51,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:30:51,198 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:30:51,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:30:51,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:30:51,201 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:30:51,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:30:51,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:30:51,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:30:51,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:30:51,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:30:51,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:30:51,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:30:51,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:30:51,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:30:51,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:30:51,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:30:51,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:30:51,211 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:30:51,212 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:30:51,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:30:51,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:30:51,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:30:51,214 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:30:51,215 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 22:30:51,238 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:30:51,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:30:51,239 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:30:51,239 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:30:51,240 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:30:51,240 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:30:51,240 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:30:51,241 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:30:51,241 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:30:51,241 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:30:51,242 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:30:51,242 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 22:30:51,242 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:30:51,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:30:51,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:30:51,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:30:51,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:30:51,249 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:30:51,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:30:51,249 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:30:51,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:30:51,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:30:51,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:30:51,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:30:51,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:30:51,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:30:51,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:30:51,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:30:51,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 22:30:51,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 22:30:51,251 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:30:51,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:30:51,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:30:51,252 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d22078cc0ed1f6555ed02c6ceb2e5694208de3c10c4e0f5a14ad82c4e25bb79 [2022-07-20 22:30:51,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:30:51,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:30:51,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:30:51,531 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:30:51,531 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:30:51,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2022-07-20 22:30:51,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe533bd5c/3b9f5b0e47c64e8c88d0d3e7b7ae70eb/FLAG94e64028a [2022-07-20 22:30:51,974 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:30:51,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl-simplified/s3_clnt_1.cil-1.c [2022-07-20 22:30:51,980 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe533bd5c/3b9f5b0e47c64e8c88d0d3e7b7ae70eb/FLAG94e64028a [2022-07-20 22:30:51,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe533bd5c/3b9f5b0e47c64e8c88d0d3e7b7ae70eb [2022-07-20 22:30:51,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:30:51,992 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:30:51,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:30:51,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:30:51,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:30:51,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:30:51" (1/1) ... [2022-07-20 22:30:51,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a89418a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:51, skipping insertion in model container [2022-07-20 22:30:51,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:30:51" (1/1) ... [2022-07-20 22:30:52,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:30:52,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:30:52,234 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/openssl-simplified/s3_clnt_1.cil-1.c[35497,35510] [2022-07-20 22:30:52,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:30:52,245 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:30:52,300 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/openssl-simplified/s3_clnt_1.cil-1.c[35497,35510] [2022-07-20 22:30:52,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:30:52,309 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:30:52,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52 WrapperNode [2022-07-20 22:30:52,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:30:52,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:30:52,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:30:52,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:30:52,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,362 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 506 [2022-07-20 22:30:52,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:30:52,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:30:52,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:30:52,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:30:52,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:30:52,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:30:52,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:30:52,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:30:52,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (1/1) ... [2022-07-20 22:30:52,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:30:52,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:30:52,427 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) [2022-07-20 22:30:52,446 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 [2022-07-20 22:30:52,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 22:30:52,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:30:52,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:30:52,575 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:30:52,576 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:30:52,585 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-20 22:30:52,918 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2022-07-20 22:30:52,918 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2022-07-20 22:30:52,918 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:30:52,923 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:30:52,923 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 22:30:52,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:30:52 BoogieIcfgContainer [2022-07-20 22:30:52,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:30:52,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:30:52,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:30:52,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:30:52,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:30:51" (1/3) ... [2022-07-20 22:30:52,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b82218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:30:52, skipping insertion in model container [2022-07-20 22:30:52,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:30:52" (2/3) ... [2022-07-20 22:30:52,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42b82218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:30:52, skipping insertion in model container [2022-07-20 22:30:52,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:30:52" (3/3) ... [2022-07-20 22:30:52,930 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.cil-1.c [2022-07-20 22:30:52,948 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:30:52,948 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:30:52,978 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:30:52,984 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@2004fb6f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28144d3 [2022-07-20 22:30:52,995 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:30:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 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) [2022-07-20 22:30:53,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-20 22:30:53,002 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:53,003 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] [2022-07-20 22:30:53,003 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:53,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:53,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1457700990, now seen corresponding path program 1 times [2022-07-20 22:30:53,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:53,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655530743] [2022-07-20 22:30:53,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:53,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:53,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:30:53,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:53,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655530743] [2022-07-20 22:30:53,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655530743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:53,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:53,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:53,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518687596] [2022-07-20 22:30:53,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:53,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:53,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:53,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:53,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:53,219 INFO L87 Difference]: Start difference. First operand has 127 states, 125 states have (on average 1.72) internal successors, (215), 126 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) Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:53,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:53,305 INFO L93 Difference]: Finished difference Result 363 states and 617 transitions. [2022-07-20 22:30:53,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:53,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-07-20 22:30:53,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:53,322 INFO L225 Difference]: With dead ends: 363 [2022-07-20 22:30:53,322 INFO L226 Difference]: Without dead ends: 211 [2022-07-20 22:30:53,328 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 [2022-07-20 22:30:53,331 INFO L413 NwaCegarLoop]: 206 mSDtfsCounter, 178 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:53,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 396 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:53,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2022-07-20 22:30:53,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2022-07-20 22:30:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 210 states have (on average 1.5) internal successors, (315), 210 states have internal predecessors, (315), 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) [2022-07-20 22:30:53,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 315 transitions. [2022-07-20 22:30:53,384 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 315 transitions. Word has length 24 [2022-07-20 22:30:53,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:53,385 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 315 transitions. [2022-07-20 22:30:53,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:53,385 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 315 transitions. [2022-07-20 22:30:53,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-07-20 22:30:53,387 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:53,388 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-20 22:30:53,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 22:30:53,388 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:53,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:53,390 INFO L85 PathProgramCache]: Analyzing trace with hash 152202379, now seen corresponding path program 1 times [2022-07-20 22:30:53,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:53,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727952584] [2022-07-20 22:30:53,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:53,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:53,465 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:30:53,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:53,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727952584] [2022-07-20 22:30:53,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727952584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:53,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:53,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:53,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582312461] [2022-07-20 22:30:53,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:53,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:53,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:53,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:53,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:53,471 INFO L87 Difference]: Start difference. First operand 211 states and 315 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-07-20 22:30:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:53,588 INFO L93 Difference]: Finished difference Result 340 states and 513 transitions. [2022-07-20 22:30:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:53,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2022-07-20 22:30:53,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:53,598 INFO L225 Difference]: With dead ends: 340 [2022-07-20 22:30:53,598 INFO L226 Difference]: Without dead ends: 236 [2022-07-20 22:30:53,599 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 [2022-07-20 22:30:53,600 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 14 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:53,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 258 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-07-20 22:30:53,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2022-07-20 22:30:53,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.4845814977973568) internal successors, (337), 227 states have internal predecessors, (337), 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) [2022-07-20 22:30:53,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 337 transitions. [2022-07-20 22:30:53,620 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 337 transitions. Word has length 38 [2022-07-20 22:30:53,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:53,621 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 337 transitions. [2022-07-20 22:30:53,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2022-07-20 22:30:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 337 transitions. [2022-07-20 22:30:53,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-20 22:30:53,622 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:53,623 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 22:30:53,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 22:30:53,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:53,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:53,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1281794544, now seen corresponding path program 1 times [2022-07-20 22:30:53,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:53,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394639551] [2022-07-20 22:30:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:53,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:53,667 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-07-20 22:30:53,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:53,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394639551] [2022-07-20 22:30:53,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394639551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:53,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:53,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:53,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030056560] [2022-07-20 22:30:53,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:53,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:53,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:53,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:53,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:53,669 INFO L87 Difference]: Start difference. First operand 228 states and 337 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-07-20 22:30:53,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:53,790 INFO L93 Difference]: Finished difference Result 551 states and 841 transitions. [2022-07-20 22:30:53,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:53,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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 55 [2022-07-20 22:30:53,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:53,792 INFO L225 Difference]: With dead ends: 551 [2022-07-20 22:30:53,792 INFO L226 Difference]: Without dead ends: 328 [2022-07-20 22:30:53,793 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 [2022-07-20 22:30:53,793 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 53 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:53,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 222 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-07-20 22:30:53,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 310. [2022-07-20 22:30:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.4142394822006472) internal successors, (437), 309 states have internal predecessors, (437), 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) [2022-07-20 22:30:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2022-07-20 22:30:53,804 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 55 [2022-07-20 22:30:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:53,804 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2022-07-20 22:30:53,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 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) [2022-07-20 22:30:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2022-07-20 22:30:53,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-20 22:30:53,806 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:53,806 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 22:30:53,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 22:30:53,807 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:53,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:53,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1258017753, now seen corresponding path program 1 times [2022-07-20 22:30:53,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:53,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430898922] [2022-07-20 22:30:53,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:53,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:53,875 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-20 22:30:53,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:53,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430898922] [2022-07-20 22:30:53,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430898922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:53,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:53,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:53,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604522301] [2022-07-20 22:30:53,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:53,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:53,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:53,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:53,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:53,878 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:53,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:53,974 INFO L93 Difference]: Finished difference Result 659 states and 942 transitions. [2022-07-20 22:30:53,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:53,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-07-20 22:30:53,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:53,977 INFO L225 Difference]: With dead ends: 659 [2022-07-20 22:30:53,977 INFO L226 Difference]: Without dead ends: 356 [2022-07-20 22:30:53,978 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 [2022-07-20 22:30:53,986 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 14 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:53,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 261 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-07-20 22:30:54,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 348. [2022-07-20 22:30:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 347 states have (on average 1.3976945244956773) internal successors, (485), 347 states have internal predecessors, (485), 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) [2022-07-20 22:30:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 485 transitions. [2022-07-20 22:30:54,005 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 485 transitions. Word has length 68 [2022-07-20 22:30:54,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,005 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 485 transitions. [2022-07-20 22:30:54,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 485 transitions. [2022-07-20 22:30:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-07-20 22:30:54,008 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,008 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-20 22:30:54,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 22:30:54,008 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,009 INFO L85 PathProgramCache]: Analyzing trace with hash 181274982, now seen corresponding path program 1 times [2022-07-20 22:30:54,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643484841] [2022-07-20 22:30:54,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,045 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-20 22:30:54,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643484841] [2022-07-20 22:30:54,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643484841] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623231208] [2022-07-20 22:30:54,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,048 INFO L87 Difference]: Start difference. First operand 348 states and 485 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2022-07-20 22:30:54,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,179 INFO L93 Difference]: Finished difference Result 828 states and 1180 transitions. [2022-07-20 22:30:54,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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 81 [2022-07-20 22:30:54,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,181 INFO L225 Difference]: With dead ends: 828 [2022-07-20 22:30:54,181 INFO L226 Difference]: Without dead ends: 485 [2022-07-20 22:30:54,182 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 [2022-07-20 22:30:54,182 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 126 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 172 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:54,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2022-07-20 22:30:54,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 459. [2022-07-20 22:30:54,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.4323144104803494) internal successors, (656), 458 states have internal predecessors, (656), 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) [2022-07-20 22:30:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2022-07-20 22:30:54,191 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 81 [2022-07-20 22:30:54,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,191 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2022-07-20 22:30:54,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 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) [2022-07-20 22:30:54,191 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2022-07-20 22:30:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-20 22:30:54,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,193 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-07-20 22:30:54,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 22:30:54,194 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,194 INFO L85 PathProgramCache]: Analyzing trace with hash -901961809, now seen corresponding path program 1 times [2022-07-20 22:30:54,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768443171] [2022-07-20 22:30:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,247 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-20 22:30:54,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768443171] [2022-07-20 22:30:54,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768443171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476117161] [2022-07-20 22:30:54,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,250 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-07-20 22:30:54,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,335 INFO L93 Difference]: Finished difference Result 926 states and 1341 transitions. [2022-07-20 22:30:54,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 84 [2022-07-20 22:30:54,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,338 INFO L225 Difference]: With dead ends: 926 [2022-07-20 22:30:54,338 INFO L226 Difference]: Without dead ends: 507 [2022-07-20 22:30:54,339 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 [2022-07-20 22:30:54,339 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 12 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 260 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:54,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-07-20 22:30:54,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 501. [2022-07-20 22:30:54,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 500 states have (on average 1.416) internal successors, (708), 500 states have internal predecessors, (708), 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) [2022-07-20 22:30:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 708 transitions. [2022-07-20 22:30:54,348 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 708 transitions. Word has length 84 [2022-07-20 22:30:54,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,348 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 708 transitions. [2022-07-20 22:30:54,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2022-07-20 22:30:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 708 transitions. [2022-07-20 22:30:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-20 22:30:54,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,349 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2022-07-20 22:30:54,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 22:30:54,349 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1810291289, now seen corresponding path program 1 times [2022-07-20 22:30:54,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490679237] [2022-07-20 22:30:54,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-07-20 22:30:54,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490679237] [2022-07-20 22:30:54,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490679237] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677672346] [2022-07-20 22:30:54,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,401 INFO L87 Difference]: Start difference. First operand 501 states and 708 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-07-20 22:30:54,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,423 INFO L93 Difference]: Finished difference Result 980 states and 1398 transitions. [2022-07-20 22:30:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 104 [2022-07-20 22:30:54,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,426 INFO L225 Difference]: With dead ends: 980 [2022-07-20 22:30:54,426 INFO L226 Difference]: Without dead ends: 739 [2022-07-20 22:30:54,427 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 [2022-07-20 22:30:54,427 INFO L413 NwaCegarLoop]: 309 mSDtfsCounter, 125 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 464 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2022-07-20 22:30:54,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2022-07-20 22:30:54,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 738 states have (on average 1.4173441734417345) internal successors, (1046), 738 states have internal predecessors, (1046), 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) [2022-07-20 22:30:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 1046 transitions. [2022-07-20 22:30:54,453 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 1046 transitions. Word has length 104 [2022-07-20 22:30:54,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,453 INFO L495 AbstractCegarLoop]: Abstraction has 739 states and 1046 transitions. [2022-07-20 22:30:54,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2022-07-20 22:30:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1046 transitions. [2022-07-20 22:30:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-07-20 22:30:54,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,455 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2022-07-20 22:30:54,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 22:30:54,455 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,456 INFO L85 PathProgramCache]: Analyzing trace with hash 151283369, now seen corresponding path program 1 times [2022-07-20 22:30:54,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092527620] [2022-07-20 22:30:54,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-07-20 22:30:54,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092527620] [2022-07-20 22:30:54,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092527620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273882939] [2022-07-20 22:30:54,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,486 INFO L87 Difference]: Start difference. First operand 739 states and 1046 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-07-20 22:30:54,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,502 INFO L93 Difference]: Finished difference Result 1239 states and 1758 transitions. [2022-07-20 22:30:54,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 104 [2022-07-20 22:30:54,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,505 INFO L225 Difference]: With dead ends: 1239 [2022-07-20 22:30:54,505 INFO L226 Difference]: Without dead ends: 760 [2022-07-20 22:30:54,506 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 [2022-07-20 22:30:54,507 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 11 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 345 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:54,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2022-07-20 22:30:54,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2022-07-20 22:30:54,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 759 states have (on average 1.4137022397891963) internal successors, (1073), 759 states have internal predecessors, (1073), 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) [2022-07-20 22:30:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1073 transitions. [2022-07-20 22:30:54,520 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1073 transitions. Word has length 104 [2022-07-20 22:30:54,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,521 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 1073 transitions. [2022-07-20 22:30:54,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-07-20 22:30:54,521 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1073 transitions. [2022-07-20 22:30:54,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 22:30:54,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,525 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2022-07-20 22:30:54,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 22:30:54,525 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,525 INFO L85 PathProgramCache]: Analyzing trace with hash -492994255, now seen corresponding path program 1 times [2022-07-20 22:30:54,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623446207] [2022-07-20 22:30:54,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-20 22:30:54,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623446207] [2022-07-20 22:30:54,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623446207] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876440876] [2022-07-20 22:30:54,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,562 INFO L87 Difference]: Start difference. First operand 760 states and 1073 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:54,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,586 INFO L93 Difference]: Finished difference Result 1001 states and 1419 transitions. [2022-07-20 22:30:54,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,586 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-20 22:30:54,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,589 INFO L225 Difference]: With dead ends: 1001 [2022-07-20 22:30:54,589 INFO L226 Difference]: Without dead ends: 999 [2022-07-20 22:30:54,589 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 [2022-07-20 22:30:54,590 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 138 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 303 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:54,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2022-07-20 22:30:54,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 999. [2022-07-20 22:30:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 999 states, 998 states have (on average 1.4198396793587174) internal successors, (1417), 998 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1417 transitions. [2022-07-20 22:30:54,609 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1417 transitions. Word has length 106 [2022-07-20 22:30:54,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,610 INFO L495 AbstractCegarLoop]: Abstraction has 999 states and 1417 transitions. [2022-07-20 22:30:54,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1417 transitions. [2022-07-20 22:30:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-20 22:30:54,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,612 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 3, 3, 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] [2022-07-20 22:30:54,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 22:30:54,612 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1913560025, now seen corresponding path program 1 times [2022-07-20 22:30:54,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947692638] [2022-07-20 22:30:54,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-07-20 22:30:54,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947692638] [2022-07-20 22:30:54,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1947692638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422939789] [2022-07-20 22:30:54,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,658 INFO L87 Difference]: Start difference. First operand 999 states and 1417 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-07-20 22:30:54,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,733 INFO L93 Difference]: Finished difference Result 2064 states and 2956 transitions. [2022-07-20 22:30:54,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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 131 [2022-07-20 22:30:54,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,737 INFO L225 Difference]: With dead ends: 2064 [2022-07-20 22:30:54,737 INFO L226 Difference]: Without dead ends: 1105 [2022-07-20 22:30:54,738 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 [2022-07-20 22:30:54,738 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 259 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:54,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2022-07-20 22:30:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1091. [2022-07-20 22:30:54,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 1090 states have (on average 1.4027522935779817) internal successors, (1529), 1090 states have internal predecessors, (1529), 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) [2022-07-20 22:30:54,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1529 transitions. [2022-07-20 22:30:54,754 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1529 transitions. Word has length 131 [2022-07-20 22:30:54,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,754 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1529 transitions. [2022-07-20 22:30:54,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-07-20 22:30:54,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1529 transitions. [2022-07-20 22:30:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-07-20 22:30:54,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,757 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 4, 4, 3, 3, 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] [2022-07-20 22:30:54,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 22:30:54,757 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,757 INFO L85 PathProgramCache]: Analyzing trace with hash 296450083, now seen corresponding path program 1 times [2022-07-20 22:30:54,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831488813] [2022-07-20 22:30:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,816 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-07-20 22:30:54,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831488813] [2022-07-20 22:30:54,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831488813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230016701] [2022-07-20 22:30:54,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,819 INFO L87 Difference]: Start difference. First operand 1091 states and 1529 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-07-20 22:30:54,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:54,919 INFO L93 Difference]: Finished difference Result 2346 states and 3350 transitions. [2022-07-20 22:30:54,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:54,920 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 152 [2022-07-20 22:30:54,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:54,923 INFO L225 Difference]: With dead ends: 2346 [2022-07-20 22:30:54,923 INFO L226 Difference]: Without dead ends: 1287 [2022-07-20 22:30:54,924 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 [2022-07-20 22:30:54,925 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 66 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:54,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 211 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:54,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1287 states. [2022-07-20 22:30:54,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1287 to 1247. [2022-07-20 22:30:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1246 states have (on average 1.4069020866773676) internal successors, (1753), 1246 states have internal predecessors, (1753), 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) [2022-07-20 22:30:54,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1753 transitions. [2022-07-20 22:30:54,943 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1753 transitions. Word has length 152 [2022-07-20 22:30:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:54,944 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1753 transitions. [2022-07-20 22:30:54,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-07-20 22:30:54,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1753 transitions. [2022-07-20 22:30:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-20 22:30:54,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:54,947 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 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] [2022-07-20 22:30:54,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 22:30:54,947 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:54,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:54,948 INFO L85 PathProgramCache]: Analyzing trace with hash 2080513012, now seen corresponding path program 1 times [2022-07-20 22:30:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:54,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453990535] [2022-07-20 22:30:54,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:54,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:54,987 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-07-20 22:30:54,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:54,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453990535] [2022-07-20 22:30:54,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453990535] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:54,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:54,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:54,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474527802] [2022-07-20 22:30:54,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:54,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:54,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:54,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:54,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:54,989 INFO L87 Difference]: Start difference. First operand 1247 states and 1753 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-07-20 22:30:55,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:55,061 INFO L93 Difference]: Finished difference Result 2574 states and 3602 transitions. [2022-07-20 22:30:55,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:55,061 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 188 [2022-07-20 22:30:55,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:55,082 INFO L225 Difference]: With dead ends: 2574 [2022-07-20 22:30:55,082 INFO L226 Difference]: Without dead ends: 1367 [2022-07-20 22:30:55,083 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 [2022-07-20 22:30:55,084 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:55,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 260 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:55,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2022-07-20 22:30:55,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1359. [2022-07-20 22:30:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1359 states, 1358 states have (on average 1.3880706921944035) internal successors, (1885), 1358 states have internal predecessors, (1885), 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) [2022-07-20 22:30:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1885 transitions. [2022-07-20 22:30:55,104 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1885 transitions. Word has length 188 [2022-07-20 22:30:55,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:55,104 INFO L495 AbstractCegarLoop]: Abstraction has 1359 states and 1885 transitions. [2022-07-20 22:30:55,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-07-20 22:30:55,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1885 transitions. [2022-07-20 22:30:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2022-07-20 22:30:55,106 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:55,107 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 6, 5, 5, 4, 4, 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] [2022-07-20 22:30:55,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 22:30:55,107 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:55,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:55,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1653754506, now seen corresponding path program 1 times [2022-07-20 22:30:55,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:55,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796287947] [2022-07-20 22:30:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:55,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-07-20 22:30:55,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:55,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796287947] [2022-07-20 22:30:55,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796287947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:55,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:55,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:55,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267950892] [2022-07-20 22:30:55,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:55,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:55,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:55,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:55,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:55,146 INFO L87 Difference]: Start difference. First operand 1359 states and 1885 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-07-20 22:30:55,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:55,225 INFO L93 Difference]: Finished difference Result 2814 states and 3902 transitions. [2022-07-20 22:30:55,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:55,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 188 [2022-07-20 22:30:55,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:55,230 INFO L225 Difference]: With dead ends: 2814 [2022-07-20 22:30:55,230 INFO L226 Difference]: Without dead ends: 1495 [2022-07-20 22:30:55,231 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 [2022-07-20 22:30:55,232 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 11 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:55,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 261 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:55,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2022-07-20 22:30:55,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 1483. [2022-07-20 22:30:55,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 1482 states have (on average 1.3690958164642375) internal successors, (2029), 1482 states have internal predecessors, (2029), 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) [2022-07-20 22:30:55,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2029 transitions. [2022-07-20 22:30:55,256 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2029 transitions. Word has length 188 [2022-07-20 22:30:55,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:55,256 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2029 transitions. [2022-07-20 22:30:55,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2022-07-20 22:30:55,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2029 transitions. [2022-07-20 22:30:55,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-20 22:30:55,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:55,259 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 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] [2022-07-20 22:30:55,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 22:30:55,260 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:55,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:55,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1229348372, now seen corresponding path program 1 times [2022-07-20 22:30:55,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:55,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874250288] [2022-07-20 22:30:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:55,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-07-20 22:30:55,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:55,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874250288] [2022-07-20 22:30:55,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874250288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:55,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:55,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:55,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651241854] [2022-07-20 22:30:55,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:55,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:55,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:55,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:55,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:55,306 INFO L87 Difference]: Start difference. First operand 1483 states and 2029 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2022-07-20 22:30:55,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:55,338 INFO L93 Difference]: Finished difference Result 4365 states and 5987 transitions. [2022-07-20 22:30:55,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:55,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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 218 [2022-07-20 22:30:55,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:55,347 INFO L225 Difference]: With dead ends: 4365 [2022-07-20 22:30:55,347 INFO L226 Difference]: Without dead ends: 2922 [2022-07-20 22:30:55,349 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 [2022-07-20 22:30:55,349 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 126 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:55,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 482 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:55,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2922 states. [2022-07-20 22:30:55,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2922 to 2920. [2022-07-20 22:30:55,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2919 states have (on average 1.3706748886605002) internal successors, (4001), 2919 states have internal predecessors, (4001), 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) [2022-07-20 22:30:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4001 transitions. [2022-07-20 22:30:55,401 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4001 transitions. Word has length 218 [2022-07-20 22:30:55,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:55,401 INFO L495 AbstractCegarLoop]: Abstraction has 2920 states and 4001 transitions. [2022-07-20 22:30:55,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2022-07-20 22:30:55,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4001 transitions. [2022-07-20 22:30:55,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-20 22:30:55,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:55,406 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 3, 3, 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] [2022-07-20 22:30:55,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 22:30:55,406 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:55,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:55,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1790048150, now seen corresponding path program 1 times [2022-07-20 22:30:55,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:55,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16967032] [2022-07-20 22:30:55,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:55,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-07-20 22:30:55,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:55,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16967032] [2022-07-20 22:30:55,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16967032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:55,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:55,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:55,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581236808] [2022-07-20 22:30:55,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:55,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:55,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:55,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:55,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:55,448 INFO L87 Difference]: Start difference. First operand 2920 states and 4001 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2022-07-20 22:30:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:55,543 INFO L93 Difference]: Finished difference Result 6100 states and 8366 transitions. [2022-07-20 22:30:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:55,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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 218 [2022-07-20 22:30:55,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:55,552 INFO L225 Difference]: With dead ends: 6100 [2022-07-20 22:30:55,552 INFO L226 Difference]: Without dead ends: 3220 [2022-07-20 22:30:55,555 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 [2022-07-20 22:30:55,555 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 11 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:55,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 261 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:55,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2022-07-20 22:30:55,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 3204. [2022-07-20 22:30:55,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3203 states have (on average 1.3502965969403684) internal successors, (4325), 3203 states have internal predecessors, (4325), 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) [2022-07-20 22:30:55,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4325 transitions. [2022-07-20 22:30:55,623 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4325 transitions. Word has length 218 [2022-07-20 22:30:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:55,623 INFO L495 AbstractCegarLoop]: Abstraction has 3204 states and 4325 transitions. [2022-07-20 22:30:55,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 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) [2022-07-20 22:30:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4325 transitions. [2022-07-20 22:30:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-20 22:30:55,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:55,628 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 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] [2022-07-20 22:30:55,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 22:30:55,629 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:55,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:55,629 INFO L85 PathProgramCache]: Analyzing trace with hash 678419774, now seen corresponding path program 1 times [2022-07-20 22:30:55,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:55,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751083897] [2022-07-20 22:30:55,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:55,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-07-20 22:30:55,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:55,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751083897] [2022-07-20 22:30:55,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751083897] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:55,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:55,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:55,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054920715] [2022-07-20 22:30:55,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:55,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:55,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:55,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:55,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:55,675 INFO L87 Difference]: Start difference. First operand 3204 states and 4325 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-07-20 22:30:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:55,777 INFO L93 Difference]: Finished difference Result 6516 states and 8798 transitions. [2022-07-20 22:30:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:55,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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 242 [2022-07-20 22:30:55,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:55,786 INFO L225 Difference]: With dead ends: 6516 [2022-07-20 22:30:55,786 INFO L226 Difference]: Without dead ends: 3352 [2022-07-20 22:30:55,789 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 [2022-07-20 22:30:55,790 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:55,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 260 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:55,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2022-07-20 22:30:55,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 3336. [2022-07-20 22:30:55,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3336 states, 3335 states have (on average 1.3424287856071964) internal successors, (4477), 3335 states have internal predecessors, (4477), 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) [2022-07-20 22:30:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 3336 states and 4477 transitions. [2022-07-20 22:30:55,865 INFO L78 Accepts]: Start accepts. Automaton has 3336 states and 4477 transitions. Word has length 242 [2022-07-20 22:30:55,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:55,865 INFO L495 AbstractCegarLoop]: Abstraction has 3336 states and 4477 transitions. [2022-07-20 22:30:55,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 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) [2022-07-20 22:30:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3336 states and 4477 transitions. [2022-07-20 22:30:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 22:30:55,870 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:55,870 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 22:30:55,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 22:30:55,870 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:55,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash -101941725, now seen corresponding path program 1 times [2022-07-20 22:30:55,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:55,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431550558] [2022-07-20 22:30:55,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:55,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:55,904 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-20 22:30:55,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:55,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431550558] [2022-07-20 22:30:55,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431550558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:55,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:55,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:55,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550227373] [2022-07-20 22:30:55,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:55,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:55,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:55,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:55,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:55,906 INFO L87 Difference]: Start difference. First operand 3336 states and 4477 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:56,023 INFO L93 Difference]: Finished difference Result 7032 states and 9578 transitions. [2022-07-20 22:30:56,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:56,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2022-07-20 22:30:56,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:56,032 INFO L225 Difference]: With dead ends: 7032 [2022-07-20 22:30:56,051 INFO L226 Difference]: Without dead ends: 3736 [2022-07-20 22:30:56,054 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 [2022-07-20 22:30:56,055 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 44 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:56,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 253 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:56,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-07-20 22:30:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 3648. [2022-07-20 22:30:56,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3648 states, 3647 states have (on average 1.3284891691801481) internal successors, (4845), 3647 states have internal predecessors, (4845), 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) [2022-07-20 22:30:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 3648 states and 4845 transitions. [2022-07-20 22:30:56,114 INFO L78 Accepts]: Start accepts. Automaton has 3648 states and 4845 transitions. Word has length 253 [2022-07-20 22:30:56,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:56,114 INFO L495 AbstractCegarLoop]: Abstraction has 3648 states and 4845 transitions. [2022-07-20 22:30:56,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:56,114 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4845 transitions. [2022-07-20 22:30:56,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-20 22:30:56,119 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:56,119 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:30:56,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 22:30:56,120 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:56,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 324455461, now seen corresponding path program 1 times [2022-07-20 22:30:56,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:56,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893839098] [2022-07-20 22:30:56,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:56,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-20 22:30:56,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:56,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893839098] [2022-07-20 22:30:56,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893839098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:56,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:56,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:56,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067532560] [2022-07-20 22:30:56,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:56,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:56,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:56,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:56,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:56,156 INFO L87 Difference]: Start difference. First operand 3648 states and 4845 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-07-20 22:30:56,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:56,291 INFO L93 Difference]: Finished difference Result 7664 states and 10122 transitions. [2022-07-20 22:30:56,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:56,291 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 267 [2022-07-20 22:30:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:56,301 INFO L225 Difference]: With dead ends: 7664 [2022-07-20 22:30:56,301 INFO L226 Difference]: Without dead ends: 4056 [2022-07-20 22:30:56,305 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 [2022-07-20 22:30:56,305 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 135 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:56,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 139 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:56,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4056 states. [2022-07-20 22:30:56,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4056 to 3768. [2022-07-20 22:30:56,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3768 states, 3767 states have (on average 1.3243960711441465) internal successors, (4989), 3767 states have internal predecessors, (4989), 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) [2022-07-20 22:30:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3768 states to 3768 states and 4989 transitions. [2022-07-20 22:30:56,388 INFO L78 Accepts]: Start accepts. Automaton has 3768 states and 4989 transitions. Word has length 267 [2022-07-20 22:30:56,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:56,389 INFO L495 AbstractCegarLoop]: Abstraction has 3768 states and 4989 transitions. [2022-07-20 22:30:56,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2022-07-20 22:30:56,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3768 states and 4989 transitions. [2022-07-20 22:30:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-07-20 22:30:56,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:56,403 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:30:56,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 22:30:56,403 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:56,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash 842255411, now seen corresponding path program 1 times [2022-07-20 22:30:56,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:56,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193540488] [2022-07-20 22:30:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:56,458 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-07-20 22:30:56,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:56,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193540488] [2022-07-20 22:30:56,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193540488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:56,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:56,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:56,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712386765] [2022-07-20 22:30:56,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:56,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:56,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:56,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:56,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:56,461 INFO L87 Difference]: Start difference. First operand 3768 states and 4989 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:56,538 INFO L93 Difference]: Finished difference Result 10720 states and 14279 transitions. [2022-07-20 22:30:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:56,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 268 [2022-07-20 22:30:56,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:56,556 INFO L225 Difference]: With dead ends: 10720 [2022-07-20 22:30:56,557 INFO L226 Difference]: Without dead ends: 6992 [2022-07-20 22:30:56,562 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 [2022-07-20 22:30:56,562 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 83 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:56,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 469 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:56,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6992 states. [2022-07-20 22:30:56,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6992 to 6990. [2022-07-20 22:30:56,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6990 states, 6989 states have (on average 1.3325225354127914) internal successors, (9313), 6989 states have internal predecessors, (9313), 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) [2022-07-20 22:30:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6990 states to 6990 states and 9313 transitions. [2022-07-20 22:30:56,697 INFO L78 Accepts]: Start accepts. Automaton has 6990 states and 9313 transitions. Word has length 268 [2022-07-20 22:30:56,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:56,697 INFO L495 AbstractCegarLoop]: Abstraction has 6990 states and 9313 transitions. [2022-07-20 22:30:56,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:30:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 6990 states and 9313 transitions. [2022-07-20 22:30:56,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-20 22:30:56,732 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:56,733 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:30:56,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 22:30:56,733 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:56,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:56,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1556363552, now seen corresponding path program 1 times [2022-07-20 22:30:56,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:56,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540667606] [2022-07-20 22:30:56,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:56,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-07-20 22:30:56,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:56,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540667606] [2022-07-20 22:30:56,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540667606] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:56,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:30:56,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:30:56,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221547120] [2022-07-20 22:30:56,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:56,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:56,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:56,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:56,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:30:56,768 INFO L87 Difference]: Start difference. First operand 6990 states and 9313 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2022-07-20 22:30:56,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:56,915 INFO L93 Difference]: Finished difference Result 13948 states and 18570 transitions. [2022-07-20 22:30:56,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:56,916 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 269 [2022-07-20 22:30:56,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:56,925 INFO L225 Difference]: With dead ends: 13948 [2022-07-20 22:30:56,926 INFO L226 Difference]: Without dead ends: 6998 [2022-07-20 22:30:56,933 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 [2022-07-20 22:30:56,933 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 11 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:56,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 256 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:56,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6998 states. [2022-07-20 22:30:57,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6998 to 6966. [2022-07-20 22:30:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6966 states, 6965 states have (on average 1.3061019382627423) internal successors, (9097), 6965 states have internal predecessors, (9097), 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) [2022-07-20 22:30:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6966 states to 6966 states and 9097 transitions. [2022-07-20 22:30:57,064 INFO L78 Accepts]: Start accepts. Automaton has 6966 states and 9097 transitions. Word has length 269 [2022-07-20 22:30:57,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:57,064 INFO L495 AbstractCegarLoop]: Abstraction has 6966 states and 9097 transitions. [2022-07-20 22:30:57,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2022-07-20 22:30:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 6966 states and 9097 transitions. [2022-07-20 22:30:57,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-20 22:30:57,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:57,073 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-07-20 22:30:57,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 22:30:57,073 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:57,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:57,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1277617296, now seen corresponding path program 1 times [2022-07-20 22:30:57,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:57,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947528837] [2022-07-20 22:30:57,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:57,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-20 22:30:57,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:57,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947528837] [2022-07-20 22:30:57,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947528837] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:30:57,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873638187] [2022-07-20 22:30:57,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:57,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:30:57,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:30:57,115 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) [2022-07-20 22:30:57,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 22:30:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:57,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 22:30:57,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:30:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-20 22:30:57,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:30:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 328 proven. 18 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-20 22:30:57,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873638187] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:30:57,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 22:30:57,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-07-20 22:30:57,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479340721] [2022-07-20 22:30:57,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 22:30:57,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 22:30:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:57,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 22:30:57,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:30:57,410 INFO L87 Difference]: Start difference. First operand 6966 states and 9097 transitions. Second operand has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 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) [2022-07-20 22:30:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:57,822 INFO L93 Difference]: Finished difference Result 18432 states and 24463 transitions. [2022-07-20 22:30:57,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 22:30:57,823 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 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 292 [2022-07-20 22:30:57,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:57,839 INFO L225 Difference]: With dead ends: 18432 [2022-07-20 22:30:57,839 INFO L226 Difference]: Without dead ends: 11450 [2022-07-20 22:30:57,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 584 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-20 22:30:57,848 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 217 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:57,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 898 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:30:57,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2022-07-20 22:30:58,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 9800. [2022-07-20 22:30:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9800 states, 9799 states have (on average 1.3263598326359833) internal successors, (12997), 9799 states have internal predecessors, (12997), 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) [2022-07-20 22:30:58,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9800 states to 9800 states and 12997 transitions. [2022-07-20 22:30:58,054 INFO L78 Accepts]: Start accepts. Automaton has 9800 states and 12997 transitions. Word has length 292 [2022-07-20 22:30:58,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:58,054 INFO L495 AbstractCegarLoop]: Abstraction has 9800 states and 12997 transitions. [2022-07-20 22:30:58,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.166666666666664) internal successors, (211), 6 states have internal predecessors, (211), 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) [2022-07-20 22:30:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 9800 states and 12997 transitions. [2022-07-20 22:30:58,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-20 22:30:58,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:58,067 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:30:58,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 22:30:58,286 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,SelfDestructingSolverStorable20 [2022-07-20 22:30:58,287 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:58,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:58,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1037661491, now seen corresponding path program 2 times [2022-07-20 22:30:58,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:58,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307582246] [2022-07-20 22:30:58,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:58,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:58,334 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 407 proven. 5 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2022-07-20 22:30:58,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:58,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307582246] [2022-07-20 22:30:58,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307582246] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:30:58,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837404072] [2022-07-20 22:30:58,335 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-20 22:30:58,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:30:58,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:30:58,337 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) [2022-07-20 22:30:58,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 22:30:58,443 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-20 22:30:58,444 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-20 22:30:58,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 585 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 22:30:58,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:30:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 981 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 811 trivial. 0 not checked. [2022-07-20 22:30:58,490 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:30:58,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837404072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:58,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 22:30:58,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-20 22:30:58,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11387729] [2022-07-20 22:30:58,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:58,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:58,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:58,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:58,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:30:58,492 INFO L87 Difference]: Start difference. First operand 9800 states and 12997 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2022-07-20 22:30:58,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:58,664 INFO L93 Difference]: Finished difference Result 19604 states and 25974 transitions. [2022-07-20 22:30:58,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:58,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 305 [2022-07-20 22:30:58,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:58,680 INFO L225 Difference]: With dead ends: 19604 [2022-07-20 22:30:58,680 INFO L226 Difference]: Without dead ends: 9844 [2022-07-20 22:30:58,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:30:58,691 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 53 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:58,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 236 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:30:58,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9844 states. [2022-07-20 22:30:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9844 to 8988. [2022-07-20 22:30:58,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8988 states, 8987 states have (on average 1.2837431845999778) internal successors, (11537), 8987 states have internal predecessors, (11537), 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) [2022-07-20 22:30:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8988 states to 8988 states and 11537 transitions. [2022-07-20 22:30:58,874 INFO L78 Accepts]: Start accepts. Automaton has 8988 states and 11537 transitions. Word has length 305 [2022-07-20 22:30:58,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:58,874 INFO L495 AbstractCegarLoop]: Abstraction has 8988 states and 11537 transitions. [2022-07-20 22:30:58,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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) [2022-07-20 22:30:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8988 states and 11537 transitions. [2022-07-20 22:30:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-07-20 22:30:58,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:58,887 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:30:58,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 22:30:59,099 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,SelfDestructingSolverStorable21 [2022-07-20 22:30:59,099 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:30:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:30:59,100 INFO L85 PathProgramCache]: Analyzing trace with hash 650041975, now seen corresponding path program 1 times [2022-07-20 22:30:59,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:30:59,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237292140] [2022-07-20 22:30:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:30:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 954 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-07-20 22:30:59,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:30:59,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237292140] [2022-07-20 22:30:59,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237292140] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:30:59,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545811760] [2022-07-20 22:30:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:30:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:30:59,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:30:59,146 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) [2022-07-20 22:30:59,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 22:30:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:30:59,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 22:30:59,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:30:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 821 proven. 0 refuted. 0 times theorem prover too weak. 827 trivial. 0 not checked. [2022-07-20 22:30:59,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:30:59,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545811760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:30:59,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 22:30:59,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-07-20 22:30:59,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431013441] [2022-07-20 22:30:59,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:30:59,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:30:59,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:30:59,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:30:59,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:30:59,563 INFO L87 Difference]: Start difference. First operand 8988 states and 11537 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2022-07-20 22:30:59,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:30:59,664 INFO L93 Difference]: Finished difference Result 22010 states and 28224 transitions. [2022-07-20 22:30:59,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:30:59,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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 372 [2022-07-20 22:30:59,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:30:59,684 INFO L225 Difference]: With dead ends: 22010 [2022-07-20 22:30:59,684 INFO L226 Difference]: Without dead ends: 13062 [2022-07-20 22:30:59,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:30:59,695 INFO L413 NwaCegarLoop]: 315 mSDtfsCounter, 61 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:30:59,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 472 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:30:59,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13062 states. [2022-07-20 22:30:59,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13062 to 13062. [2022-07-20 22:30:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13062 states, 13061 states have (on average 1.2796110558150218) internal successors, (16713), 13061 states have internal predecessors, (16713), 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) [2022-07-20 22:30:59,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13062 states to 13062 states and 16713 transitions. [2022-07-20 22:30:59,916 INFO L78 Accepts]: Start accepts. Automaton has 13062 states and 16713 transitions. Word has length 372 [2022-07-20 22:30:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:30:59,916 INFO L495 AbstractCegarLoop]: Abstraction has 13062 states and 16713 transitions. [2022-07-20 22:30:59,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 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) [2022-07-20 22:30:59,917 INFO L276 IsEmpty]: Start isEmpty. Operand 13062 states and 16713 transitions. [2022-07-20 22:30:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-20 22:30:59,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:30:59,932 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 15, 15, 15, 15, 15, 13, 13, 11, 11, 9, 9, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:30:59,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 22:31:00,147 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 [2022-07-20 22:31:00,147 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:00,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:00,148 INFO L85 PathProgramCache]: Analyzing trace with hash -590181313, now seen corresponding path program 1 times [2022-07-20 22:31:00,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:00,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331097811] [2022-07-20 22:31:00,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:00,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:00,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-07-20 22:31:00,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:00,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331097811] [2022-07-20 22:31:00,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331097811] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:31:00,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684738565] [2022-07-20 22:31:00,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:00,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:31:00,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:31:00,206 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) [2022-07-20 22:31:00,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 22:31:00,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:00,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 697 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 22:31:00,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:31:00,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-07-20 22:31:00,360 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:31:00,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 956 proven. 5 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-07-20 22:31:00,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684738565] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:31:00,408 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 22:31:00,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-07-20 22:31:00,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569650752] [2022-07-20 22:31:00,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 22:31:00,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 22:31:00,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:00,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 22:31:00,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:31:00,410 INFO L87 Difference]: Start difference. First operand 13062 states and 16713 transitions. Second operand has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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) [2022-07-20 22:31:00,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:00,767 INFO L93 Difference]: Finished difference Result 29734 states and 37874 transitions. [2022-07-20 22:31:00,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 22:31:00,768 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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 374 [2022-07-20 22:31:00,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:00,791 INFO L225 Difference]: With dead ends: 29734 [2022-07-20 22:31:00,791 INFO L226 Difference]: Without dead ends: 16700 [2022-07-20 22:31:00,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 747 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 22:31:00,806 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 434 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:00,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 426 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 22:31:00,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16700 states. [2022-07-20 22:31:01,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16700 to 14417. [2022-07-20 22:31:01,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14417 states, 14416 states have (on average 1.278718091009989) internal successors, (18434), 14416 states have internal predecessors, (18434), 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) [2022-07-20 22:31:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14417 states to 14417 states and 18434 transitions. [2022-07-20 22:31:01,078 INFO L78 Accepts]: Start accepts. Automaton has 14417 states and 18434 transitions. Word has length 374 [2022-07-20 22:31:01,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:01,078 INFO L495 AbstractCegarLoop]: Abstraction has 14417 states and 18434 transitions. [2022-07-20 22:31:01,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.666666666666664) internal successors, (232), 6 states have internal predecessors, (232), 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) [2022-07-20 22:31:01,079 INFO L276 IsEmpty]: Start isEmpty. Operand 14417 states and 18434 transitions. [2022-07-20 22:31:01,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-20 22:31:01,101 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:01,101 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:31:01,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 22:31:01,320 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 [2022-07-20 22:31:01,321 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:01,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:01,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1273645298, now seen corresponding path program 1 times [2022-07-20 22:31:01,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:01,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918239123] [2022-07-20 22:31:01,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:01,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1971 backedges. 886 proven. 0 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-07-20 22:31:01,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:01,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918239123] [2022-07-20 22:31:01,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918239123] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:31:01,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:31:01,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:31:01,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114621371] [2022-07-20 22:31:01,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:31:01,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:31:01,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:01,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:31:01,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:31:01,378 INFO L87 Difference]: Start difference. First operand 14417 states and 18434 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-07-20 22:31:01,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:01,563 INFO L93 Difference]: Finished difference Result 25708 states and 32305 transitions. [2022-07-20 22:31:01,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:31:01,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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 413 [2022-07-20 22:31:01,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:01,572 INFO L225 Difference]: With dead ends: 25708 [2022-07-20 22:31:01,572 INFO L226 Difference]: Without dead ends: 5877 [2022-07-20 22:31:01,584 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 [2022-07-20 22:31:01,585 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 39 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:01,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 262 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 22:31:01,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5877 states. [2022-07-20 22:31:01,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5877 to 5476. [2022-07-20 22:31:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5476 states, 5475 states have (on average 1.2622831050228311) internal successors, (6911), 5475 states have internal predecessors, (6911), 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) [2022-07-20 22:31:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 6911 transitions. [2022-07-20 22:31:01,748 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 6911 transitions. Word has length 413 [2022-07-20 22:31:01,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:01,749 INFO L495 AbstractCegarLoop]: Abstraction has 5476 states and 6911 transitions. [2022-07-20 22:31:01,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2022-07-20 22:31:01,749 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 6911 transitions. [2022-07-20 22:31:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-20 22:31:01,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:31:01,756 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 14, 14, 13, 13, 12, 12, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 5, 5, 3, 3, 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] [2022-07-20 22:31:01,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-20 22:31:01,757 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:31:01,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:31:01,757 INFO L85 PathProgramCache]: Analyzing trace with hash 381067605, now seen corresponding path program 1 times [2022-07-20 22:31:01,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:31:01,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934328001] [2022-07-20 22:31:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:01,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:31:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:01,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-07-20 22:31:01,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:31:01,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934328001] [2022-07-20 22:31:01,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934328001] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:31:01,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176340160] [2022-07-20 22:31:01,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:31:01,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:31:01,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:31:01,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 22:31:01,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 22:31:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:31:01,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 22:31:01,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:31:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-07-20 22:31:01,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 22:31:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 2042 backedges. 1283 proven. 14 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2022-07-20 22:31:02,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176340160] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 22:31:02,029 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 22:31:02,029 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-07-20 22:31:02,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553197208] [2022-07-20 22:31:02,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 22:31:02,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 22:31:02,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:31:02,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 22:31:02,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-20 22:31:02,031 INFO L87 Difference]: Start difference. First operand 5476 states and 6911 transitions. Second operand has 8 states, 8 states have (on average 39.625) internal successors, (317), 8 states have internal predecessors, (317), 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) [2022-07-20 22:31:02,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:31:02,253 INFO L93 Difference]: Finished difference Result 6913 states and 8716 transitions. [2022-07-20 22:31:02,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 22:31:02,253 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 39.625) internal successors, (317), 8 states have internal predecessors, (317), 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 442 [2022-07-20 22:31:02,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:31:02,253 INFO L225 Difference]: With dead ends: 6913 [2022-07-20 22:31:02,254 INFO L226 Difference]: Without dead ends: 0 [2022-07-20 22:31:02,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 22:31:02,256 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 22:31:02,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 636 Invalid, 463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 22:31:02,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-20 22:31:02,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-20 22:31:02,258 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) [2022-07-20 22:31:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-20 22:31:02,258 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 442 [2022-07-20 22:31:02,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:31:02,258 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-20 22:31:02,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 39.625) internal successors, (317), 8 states have internal predecessors, (317), 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) [2022-07-20 22:31:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-20 22:31:02,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-20 22:31:02,261 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 22:31:02,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 22:31:02,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-07-20 22:31:02,477 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-20 22:31:07,260 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 371) no Hoare annotation was computed. [2022-07-20 22:31:07,260 INFO L899 garLoopResultBuilder]: For program point L366-2(lines 366 371) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L234(lines 234 237) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 495) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 506) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 517) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 466 468) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 270) no Hoare annotation was computed. [2022-07-20 22:31:07,261 INFO L895 garLoopResultBuilder]: At program point L202(lines 198 496) the Hoare annotation is: (let ((.cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse3 (< |ULTIMATE.start_ssl3_connect_~s__state~0#1| 12292)) (.cse4 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse5 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse4 .cse5 .cse3 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse4 .cse0 .cse3 .cse2) (and .cse4 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse5 .cse1 .cse2))) [2022-07-20 22:31:07,262 INFO L895 garLoopResultBuilder]: At program point L136(lines 132 518) the Hoare annotation is: (let ((.cse0 (not (<= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (.cse1 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1) .cse1))) [2022-07-20 22:31:07,262 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 105) no Hoare annotation was computed. [2022-07-20 22:31:07,262 INFO L902 garLoopResultBuilder]: At program point L566(lines 558 568) the Hoare annotation is: true [2022-07-20 22:31:07,262 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 337) no Hoare annotation was computed. [2022-07-20 22:31:07,263 INFO L899 garLoopResultBuilder]: For program point L335-2(lines 211 490) no Hoare annotation was computed. [2022-07-20 22:31:07,263 INFO L899 garLoopResultBuilder]: For program point L402(lines 402 405) no Hoare annotation was computed. [2022-07-20 22:31:07,263 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 494) no Hoare annotation was computed. [2022-07-20 22:31:07,263 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 505) no Hoare annotation was computed. [2022-07-20 22:31:07,263 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 516) no Hoare annotation was computed. [2022-07-20 22:31:07,263 INFO L899 garLoopResultBuilder]: For program point L535(lines 535 539) no Hoare annotation was computed. [2022-07-20 22:31:07,264 INFO L899 garLoopResultBuilder]: For program point L238(lines 238 241) no Hoare annotation was computed. [2022-07-20 22:31:07,264 INFO L895 garLoopResultBuilder]: At program point L205(lines 204 494) the Hoare annotation is: (let ((.cse3 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse2 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse5 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (or (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse0 .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse3 .cse4 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2 .cse5) (and .cse3 .cse4 .cse0 .cse1 .cse2 .cse5))) [2022-07-20 22:31:07,265 INFO L895 garLoopResultBuilder]: At program point L172(lines 162 508) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L437(lines 437 439) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 493) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 504) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 515) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 86 556) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L472-2(lines 472 474) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 309) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L899 garLoopResultBuilder]: For program point L307-2(lines 211 490) no Hoare annotation was computed. [2022-07-20 22:31:07,265 INFO L902 garLoopResultBuilder]: At program point L208(lines 207 493) the Hoare annotation is: true [2022-07-20 22:31:07,266 INFO L895 garLoopResultBuilder]: At program point L142(lines 138 516) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2))) [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L440(lines 440 444) no Hoare annotation was computed. [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L440-2(lines 440 444) no Hoare annotation was computed. [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 345) no Hoare annotation was computed. [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 277) no Hoare annotation was computed. [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2022-07-20 22:31:07,266 INFO L899 garLoopResultBuilder]: For program point L275-2(lines 211 490) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L902 garLoopResultBuilder]: At program point L210(lines 209 493) the Hoare annotation is: true [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 503) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 514) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 525) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L895 garLoopResultBuilder]: At program point L178(lines 174 504) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-07-20 22:31:07,267 INFO L895 garLoopResultBuilder]: At program point L112(lines 111 525) the Hoare annotation is: (and (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L410(lines 410 412) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L377(lines 377 379) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 502) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 513) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 524) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 480) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 480) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L895 garLoopResultBuilder]: At program point L148(lines 144 514) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse2 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse2 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-07-20 22:31:07,267 INFO L902 garLoopResultBuilder]: At program point L545(lines 107 546) the Hoare annotation is: true [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L281(lines 281 285) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 318) no Hoare annotation was computed. [2022-07-20 22:31:07,267 INFO L895 garLoopResultBuilder]: At program point L216(lines 114 524) the Hoare annotation is: (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0) [2022-07-20 22:31:07,267 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 501) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 512) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 523) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L895 garLoopResultBuilder]: At program point L184(lines 180 502) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse1 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse2 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse1 .cse2) (and .cse0 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse1 .cse2) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L483(lines 483 485) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 461) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 431) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L417-1(lines 417 431) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L450-2(lines 450 461) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 500) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 511) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 522) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 552) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L550-2(lines 550 552) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L895 garLoopResultBuilder]: At program point L154(lines 150 512) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) (and .cse2 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (and .cse2 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1))) [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 355) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L221-2(lines 221 223) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 389) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 499) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 510) no Hoare annotation was computed. [2022-07-20 22:31:07,268 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 521) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 427) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L895 garLoopResultBuilder]: At program point L190(lines 186 500) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 458) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L290-1(lines 290 300) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L902 garLoopResultBuilder]: At program point L555(lines 22 557) the Hoare annotation is: true [2022-07-20 22:31:07,269 INFO L895 garLoopResultBuilder]: At program point L324(lines 86 556) the Hoare annotation is: false [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 498) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 509) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 520) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 229) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L895 garLoopResultBuilder]: At program point L160(lines 156 510) the Hoare annotation is: (let ((.cse1 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse0 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse2 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse3 (< 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4) .cse3) (and .cse0 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560) .cse1 .cse2 .cse3) (and .cse2 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0) .cse3) (and .cse0 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse2 .cse3))) [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L895 garLoopResultBuilder]: At program point L491(lines 108 544) the Hoare annotation is: (let ((.cse0 (= 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse8 (= 4528 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse9 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse15 (= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse14 (= 4512 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse2 (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|)) (.cse3 (<= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 4)) (.cse7 (= 3 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse4 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse5 (< 4432 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse16 (= 4416 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse1 (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0)) (.cse10 (<= |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1| 4560)) (.cse6 (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|)) (.cse12 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4352)) (.cse13 (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (.cse11 (<= 4560 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3 .cse5) (and (= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 1)) (and .cse1 .cse6 .cse7) (and .cse0 .cse1 .cse6) (and .cse1 .cse2 .cse8) (and .cse6 .cse8) (and .cse6 .cse4 .cse9) (and .cse10 .cse2 .cse7) (and .cse1 .cse10 .cse2 .cse4 .cse9 .cse11) (and (= 3 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__next_state___0~0#1|) .cse6 .cse12 .cse13) (and .cse1 .cse2 (= 4480 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (and .cse1 .cse14 .cse2) (and .cse10 .cse6 .cse7) (and .cse1 .cse2 (= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (and .cse1 .cse10 .cse2 .cse3 .cse15) (and .cse1 .cse6 .cse15) (and .cse1 .cse2 .cse16 .cse3) (and .cse1 .cse10 .cse2 .cse12 .cse13 .cse11) (and .cse1 (= 4496 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) .cse2) (and .cse14 .cse6) (and .cse1 .cse2 .cse3 .cse7) (and .cse1 .cse6 .cse4 .cse5) (and .cse1 .cse6 .cse16) (and .cse1 .cse10 .cse6 .cse12 .cse13 .cse11) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0))) [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 328) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L260(lines 260 262) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L260-2(lines 211 490) no Hoare annotation was computed. [2022-07-20 22:31:07,269 INFO L899 garLoopResultBuilder]: For program point L393(lines 393 397) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 211 490) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 296) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L294-2(lines 292 300) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 497) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 508) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 519) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 542) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L895 garLoopResultBuilder]: At program point L196(lines 192 498) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4560)) (.cse1 (<= 4464 |ULTIMATE.start_ssl3_connect_~s__state~0#1|))) (or (and (= |ULTIMATE.start_ssl3_connect_~s__hit~0#1| 0) (= 256 |ULTIMATE.start_ssl3_connect_~s__s3__tmp__new_cipher__algorithms~0#1|) .cse0 .cse1) (and (= 2 |ULTIMATE.start_ssl3_connect_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)))) [2022-07-20 22:31:07,270 INFO L895 garLoopResultBuilder]: At program point L130(lines 126 520) the Hoare annotation is: (and (not (<= 4400 |ULTIMATE.start_ssl3_connect_~s__state~0#1|)) (<= 4352 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 99) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L97-2(lines 94 100) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L527(lines 527 541) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 364) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L528(lines 528 533) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L528-2(lines 527 541) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 496) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 507) no Hoare annotation was computed. [2022-07-20 22:31:07,270 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 518) no Hoare annotation was computed. [2022-07-20 22:31:07,271 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 243) no Hoare annotation was computed. [2022-07-20 22:31:07,271 INFO L899 garLoopResultBuilder]: For program point L232-2(lines 211 490) no Hoare annotation was computed. [2022-07-20 22:31:07,271 INFO L899 garLoopResultBuilder]: For program point L530(lines 530 532) no Hoare annotation was computed. [2022-07-20 22:31:07,275 INFO L356 BasicCegarLoop]: Path program histogram: [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] [2022-07-20 22:31:07,276 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 22:31:07,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:31:07 BoogieIcfgContainer [2022-07-20 22:31:07,304 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 22:31:07,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 22:31:07,305 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 22:31:07,305 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 22:31:07,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:30:52" (3/4) ... [2022-07-20 22:31:07,307 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-20 22:31:07,328 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-20 22:31:07,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-20 22:31:07,329 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-20 22:31:07,330 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-20 22:31:07,369 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 22:31:07,369 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 22:31:07,369 INFO L158 Benchmark]: Toolchain (without parser) took 15377.93ms. Allocated memory was 56.6MB in the beginning and 994.1MB in the end (delta: 937.4MB). Free memory was 35.4MB in the beginning and 695.9MB in the end (delta: -660.5MB). Peak memory consumption was 275.4MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.75ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 35.6MB in the end (delta: -493.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.27ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 32.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: Boogie Preprocessor took 39.64ms. Allocated memory is still 56.6MB. Free memory was 32.8MB in the beginning and 30.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: RCFGBuilder took 519.41ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 30.8MB in the beginning and 56.1MB in the end (delta: -25.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: TraceAbstraction took 14377.98ms. Allocated memory was 79.7MB in the beginning and 994.1MB in the end (delta: 914.4MB). Free memory was 55.8MB in the beginning and 704.3MB in the end (delta: -648.5MB). Peak memory consumption was 781.1MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,370 INFO L158 Benchmark]: Witness Printer took 64.69ms. Allocated memory is still 994.1MB. Free memory was 703.2MB in the beginning and 695.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-20 22:31:07,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.75ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 35.6MB in the end (delta: -493.8kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.27ms. Allocated memory is still 56.6MB. Free memory was 35.6MB in the beginning and 32.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.64ms. Allocated memory is still 56.6MB. Free memory was 32.8MB in the beginning and 30.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.41ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 30.8MB in the beginning and 56.1MB in the end (delta: -25.3MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 14377.98ms. Allocated memory was 79.7MB in the beginning and 994.1MB in the end (delta: 914.4MB). Free memory was 55.8MB in the beginning and 704.3MB in the end (delta: -648.5MB). Peak memory consumption was 781.1MB. Max. memory is 16.1GB. * Witness Printer took 64.69ms. Allocated memory is still 994.1MB. Free memory was 703.2MB in the beginning and 695.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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: 554]: 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, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.3s, OverallIterations: 26, TraceHistogramMax: 18, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2107 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2107 mSDsluCounter, 8722 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3473 mSDsCounter, 562 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3061 IncrementalHoareTripleChecker+Invalid, 3623 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 562 mSolverCounterUnsat, 5249 mSDtfsCounter, 3061 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2978 GetRequests, 2932 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14417occurred in iteration=24, InterpolantAutomatonStates: 86, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 26 MinimizatonAttempts, 5774 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 402 NumberOfFragments, 835 HoareAnnotationTreeSize, 22 FomulaSimplifications, 16222 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 22 FomulaSimplificationsInter, 13657 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 7041 NumberOfCodeBlocks, 7041 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 8115 ConstructedInterpolants, 0 QuantifiedInterpolants, 12004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 3280 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 34 InterpolantComputations, 23 PerfectInterpolantSequences, 27797/27918 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: 198]: Loop Invariant Derived loop invariant: (((((2 == blastFlag && s__state <= 4560) && 4560 <= s__state) || ((s__state < 12292 && 4560 <= s__state) && blastFlag == 0)) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state < 12292) && 4560 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 2 == blastFlag) && s__state < 12292) && 4560 <= s__state)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4560 <= s__state) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 4560 <= s__state && blastFlag == 0 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((4432 == s__state && s__hit == 0) && 256 == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 4) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && blastFlag <= 4) && 4432 < s__state)) || (4384 == s__state && blastFlag == 1)) || ((s__hit == 0 && 2 == blastFlag) && 3 == s__state)) || ((4432 == s__state && s__hit == 0) && 2 == blastFlag)) || ((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4528 == s__state)) || (2 == blastFlag && 4528 == s__state)) || ((2 == blastFlag && s__state <= 4560) && 4560 <= s__state)) || ((s__s3__tmp__next_state___0 <= 4560 && 256 == s__s3__tmp__new_cipher__algorithms) && 3 == s__state)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4560 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (((3 == s__s3__tmp__next_state___0 && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state)) || ((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4480 == s__state)) || ((s__hit == 0 && 4512 == s__state) && 256 == s__s3__tmp__new_cipher__algorithms)) || ((s__s3__tmp__next_state___0 <= 4560 && 2 == blastFlag) && 3 == s__state)) || ((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4464 == s__state)) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 4) && 4400 == s__state)) || ((s__hit == 0 && 2 == blastFlag) && 4400 == s__state)) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && 4416 == s__state) && blastFlag <= 4)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || ((s__hit == 0 && 4496 == s__state) && 256 == s__s3__tmp__new_cipher__algorithms)) || (4512 == s__state && 2 == blastFlag)) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && blastFlag <= 4) && 3 == s__state)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4432 < s__state)) || ((s__hit == 0 && 2 == blastFlag) && 4416 == s__state)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || blastFlag == 0 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag == 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: ((((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && blastFlag <= 4) && 4432 < s__state) || ((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4432 < s__state)) || ((s__state <= 4560 && blastFlag == 0) && 4432 < s__state)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4432 < s__state) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4352 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4464 <= s__state) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((((3 == s__s3__tmp__next_state___0 && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state) || ((s__state <= 4352 && 4352 <= s__state) && blastFlag == 0)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0)) || (((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 2 == blastFlag) && s__state <= 4352) && 4352 <= s__state) && 4560 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (!(4400 <= s__state) && 4352 <= s__state) && blastFlag == 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state) || ((2 == blastFlag && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4464 <= s__state) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0) || ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4352 <= s__state) && blastFlag <= 4)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state) || ((2 == blastFlag && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: ((!(4400 <= s__state) && 4352 <= s__state) && blastFlag == 0) || ((!(4400 <= s__state) && blastFlag == 1) && 4352 <= s__state) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((s__hit == 0 && s__s3__tmp__next_state___0 <= 4560) && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4352 <= s__state) && blastFlag <= 4) || ((s__state <= 4560 && 4352 <= s__state) && blastFlag == 0)) || (((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4352 <= s__state) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((s__hit == 0 && 2 == blastFlag) && s__state <= 4560) && 4464 <= s__state) || (((s__hit == 0 && 256 == s__s3__tmp__new_cipher__algorithms) && s__state <= 4560) && 4464 <= s__state)) || ((s__state <= 4560 && 4464 <= s__state) && blastFlag == 0) RESULT: Ultimate proved your program to be correct! [2022-07-20 22:31:07,414 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