./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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/s3_srvr.blast.04.i.cil.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 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 08:36:44,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 08:36:44,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 08:36:44,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 08:36:44,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 08:36:44,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 08:36:44,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 08:36:44,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 08:36:44,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 08:36:44,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 08:36:44,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 08:36:44,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 08:36:44,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 08:36:44,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 08:36:44,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 08:36:44,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 08:36:44,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 08:36:44,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 08:36:44,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 08:36:44,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 08:36:44,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 08:36:44,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 08:36:44,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 08:36:44,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 08:36:44,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 08:36:44,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 08:36:44,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 08:36:44,190 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 08:36:44,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 08:36:44,191 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 08:36:44,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 08:36:44,192 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 08:36:44,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 08:36:44,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 08:36:44,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 08:36:44,196 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 08:36:44,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 08:36:44,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 08:36:44,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 08:36:44,197 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 08:36:44,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 08:36:44,198 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-22 08:36:44,230 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 08:36:44,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 08:36:44,231 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 08:36:44,231 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 08:36:44,232 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 08:36:44,232 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 08:36:44,233 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 08:36:44,233 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 08:36:44,233 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 08:36:44,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 08:36:44,234 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 08:36:44,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 08:36:44,234 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 08:36:44,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 08:36:44,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 08:36:44,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 08:36:44,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 08:36:44,235 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 08:36:44,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 08:36:44,236 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 08:36:44,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 08:36:44,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 08:36:44,236 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 08:36:44,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 08:36:44,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:36:44,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 08:36:44,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 08:36:44,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 08:36:44,238 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 08:36:44,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 08:36:44,238 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 08:36:44,239 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 08:36:44,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 08:36:44,239 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 08:36:44,239 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2021-12-22 08:36:44,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 08:36:44,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 08:36:44,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 08:36:44,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 08:36:44,459 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 08:36:44,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-12-22 08:36:44,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b755087/78e4753e5f9f4347b02126f4e7b79b6b/FLAG8cfc160f8 [2021-12-22 08:36:44,908 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 08:36:44,909 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-12-22 08:36:44,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b755087/78e4753e5f9f4347b02126f4e7b79b6b/FLAG8cfc160f8 [2021-12-22 08:36:44,948 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29b755087/78e4753e5f9f4347b02126f4e7b79b6b [2021-12-22 08:36:44,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 08:36:44,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 08:36:44,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 08:36:44,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 08:36:44,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 08:36:44,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:36:44" (1/1) ... [2021-12-22 08:36:44,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4693c1cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:44, skipping insertion in model container [2021-12-22 08:36:44,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:36:44" (1/1) ... [2021-12-22 08:36:44,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 08:36:45,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 08:36:45,322 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/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-12-22 08:36:45,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:36:45,346 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 08:36:45,409 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/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-12-22 08:36:45,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:36:45,422 INFO L208 MainTranslator]: Completed translation [2021-12-22 08:36:45,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45 WrapperNode [2021-12-22 08:36:45,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 08:36:45,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 08:36:45,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 08:36:45,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 08:36:45,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,486 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-12-22 08:36:45,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 08:36:45,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 08:36:45,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 08:36:45,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 08:36:45,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 08:36:45,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 08:36:45,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 08:36:45,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 08:36:45,567 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (1/1) ... [2021-12-22 08:36:45,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:36:45,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:36:45,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 08:36:45,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 08:36:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 08:36:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 08:36:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 08:36:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 08:36:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 08:36:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 08:36:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 08:36:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 08:36:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 08:36:45,789 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 08:36:45,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 08:36:45,801 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-22 08:36:48,479 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-22 08:36:48,480 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-22 08:36:48,480 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 08:36:48,484 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 08:36:48,485 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 08:36:48,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:36:48 BoogieIcfgContainer [2021-12-22 08:36:48,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 08:36:48,487 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 08:36:48,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 08:36:48,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 08:36:48,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:36:44" (1/3) ... [2021-12-22 08:36:48,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e16ffe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:36:48, skipping insertion in model container [2021-12-22 08:36:48,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:36:45" (2/3) ... [2021-12-22 08:36:48,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e16ffe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:36:48, skipping insertion in model container [2021-12-22 08:36:48,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:36:48" (3/3) ... [2021-12-22 08:36:48,492 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2021-12-22 08:36:48,495 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 08:36:48,495 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 08:36:48,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 08:36:48,529 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 08:36:48,529 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 08:36:48,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:48,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-22 08:36:48,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:48,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:36:48,547 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:48,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:48,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-12-22 08:36:48,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:48,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185080182] [2021-12-22 08:36:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:48,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:48,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:48,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185080182] [2021-12-22 08:36:48,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185080182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:48,921 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:48,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:48,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958048786] [2021-12-22 08:36:48,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:48,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:48,927 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:48,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:48,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:48,954 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 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 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:49,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:49,906 INFO L93 Difference]: Finished difference Result 405 states and 685 transitions. [2021-12-22 08:36:49,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:49,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-12-22 08:36:49,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:49,918 INFO L225 Difference]: With dead ends: 405 [2021-12-22 08:36:49,919 INFO L226 Difference]: Without dead ends: 245 [2021-12-22 08:36:49,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:49,924 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 140 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:49,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 411 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 08:36:49,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2021-12-22 08:36:49,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 175. [2021-12-22 08:36:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.6091954022988506) internal successors, (280), 174 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:49,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 280 transitions. [2021-12-22 08:36:49,956 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 280 transitions. Word has length 47 [2021-12-22 08:36:49,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:49,957 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 280 transitions. [2021-12-22 08:36:49,957 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:49,957 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2021-12-22 08:36:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-22 08:36:49,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:49,959 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:36:49,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 08:36:49,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:49,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:49,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1376829262, now seen corresponding path program 1 times [2021-12-22 08:36:49,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:49,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571049829] [2021-12-22 08:36:49,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:49,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:50,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:50,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:50,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571049829] [2021-12-22 08:36:50,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571049829] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:50,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:50,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:50,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011928826] [2021-12-22 08:36:50,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:50,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:50,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:50,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:50,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:50,089 INFO L87 Difference]: Start difference. First operand 175 states and 280 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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) [2021-12-22 08:36:51,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:36:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:51,745 INFO L93 Difference]: Finished difference Result 368 states and 587 transitions. [2021-12-22 08:36:51,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:51,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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 48 [2021-12-22 08:36:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:51,746 INFO L225 Difference]: With dead ends: 368 [2021-12-22 08:36:51,747 INFO L226 Difference]: Without dead ends: 203 [2021-12-22 08:36:51,747 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:51,748 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 22 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:51,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 439 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-22 08:36:51,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-22 08:36:51,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-22 08:36:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6162162162162161) internal successors, (299), 185 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 299 transitions. [2021-12-22 08:36:51,757 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 299 transitions. Word has length 48 [2021-12-22 08:36:51,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:51,757 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 299 transitions. [2021-12-22 08:36:51,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 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) [2021-12-22 08:36:51,758 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 299 transitions. [2021-12-22 08:36:51,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-22 08:36:51,759 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:51,759 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:36:51,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 08:36:51,760 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:51,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:51,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1875534592, now seen corresponding path program 1 times [2021-12-22 08:36:51,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:51,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342128937] [2021-12-22 08:36:51,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:51,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:51,848 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:51,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342128937] [2021-12-22 08:36:51,848 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342128937] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:51,848 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:51,848 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:51,848 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980645959] [2021-12-22 08:36:51,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:51,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:51,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:51,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:51,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:51,850 INFO L87 Difference]: Start difference. First operand 186 states and 299 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:52,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:52,529 INFO L93 Difference]: Finished difference Result 368 states and 586 transitions. [2021-12-22 08:36:52,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:52,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2021-12-22 08:36:52,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:52,531 INFO L225 Difference]: With dead ends: 368 [2021-12-22 08:36:52,531 INFO L226 Difference]: Without dead ends: 203 [2021-12-22 08:36:52,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:52,551 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 24 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:52,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 441 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 08:36:52,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-22 08:36:52,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-22 08:36:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6108108108108108) internal successors, (298), 185 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:52,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 298 transitions. [2021-12-22 08:36:52,569 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 298 transitions. Word has length 61 [2021-12-22 08:36:52,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:52,569 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 298 transitions. [2021-12-22 08:36:52,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 298 transitions. [2021-12-22 08:36:52,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-22 08:36:52,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:52,574 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:36:52,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 08:36:52,574 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:52,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:52,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1839351473, now seen corresponding path program 1 times [2021-12-22 08:36:52,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:52,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115182220] [2021-12-22 08:36:52,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:52,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:52,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:52,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115182220] [2021-12-22 08:36:52,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115182220] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:52,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:52,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:52,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567850722] [2021-12-22 08:36:52,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:52,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:52,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:52,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:52,705 INFO L87 Difference]: Start difference. First operand 186 states and 298 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:53,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:53,875 INFO L93 Difference]: Finished difference Result 367 states and 584 transitions. [2021-12-22 08:36:53,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:53,876 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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 62 [2021-12-22 08:36:53,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:53,877 INFO L225 Difference]: With dead ends: 367 [2021-12-22 08:36:53,877 INFO L226 Difference]: Without dead ends: 202 [2021-12-22 08:36:53,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:53,878 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 28 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:53,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-22 08:36:53,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-22 08:36:53,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 186. [2021-12-22 08:36:53,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6054054054054054) internal successors, (297), 185 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 297 transitions. [2021-12-22 08:36:53,884 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 297 transitions. Word has length 62 [2021-12-22 08:36:53,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:53,884 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 297 transitions. [2021-12-22 08:36:53,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:53,884 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2021-12-22 08:36:53,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-22 08:36:53,885 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:53,885 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:36:53,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 08:36:53,886 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:53,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:53,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1630821317, now seen corresponding path program 1 times [2021-12-22 08:36:53,886 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:53,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952979435] [2021-12-22 08:36:53,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:53,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:54,014 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:54,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952979435] [2021-12-22 08:36:54,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952979435] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:54,014 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:54,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:54,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601976907] [2021-12-22 08:36:54,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:54,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:54,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:54,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:54,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:54,016 INFO L87 Difference]: Start difference. First operand 186 states and 297 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:55,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:36:55,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:55,772 INFO L93 Difference]: Finished difference Result 367 states and 583 transitions. [2021-12-22 08:36:55,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:55,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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 62 [2021-12-22 08:36:55,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:55,773 INFO L225 Difference]: With dead ends: 367 [2021-12-22 08:36:55,774 INFO L226 Difference]: Without dead ends: 202 [2021-12-22 08:36:55,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:55,774 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 26 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:55,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-12-22 08:36:55,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-22 08:36:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 186. [2021-12-22 08:36:55,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.6) internal successors, (296), 185 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:55,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 296 transitions. [2021-12-22 08:36:55,788 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 296 transitions. Word has length 62 [2021-12-22 08:36:55,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:55,788 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 296 transitions. [2021-12-22 08:36:55,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 296 transitions. [2021-12-22 08:36:55,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-22 08:36:55,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:55,792 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:36:55,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 08:36:55,792 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:55,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:55,794 INFO L85 PathProgramCache]: Analyzing trace with hash 509961732, now seen corresponding path program 1 times [2021-12-22 08:36:55,794 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:55,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932979002] [2021-12-22 08:36:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:55,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:55,893 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:55,893 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:55,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932979002] [2021-12-22 08:36:55,893 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932979002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:55,894 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:55,894 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:55,894 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546559089] [2021-12-22 08:36:55,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:55,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:55,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:55,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:55,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:55,895 INFO L87 Difference]: Start difference. First operand 186 states and 296 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:57,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:57,073 INFO L93 Difference]: Finished difference Result 366 states and 581 transitions. [2021-12-22 08:36:57,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:57,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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 62 [2021-12-22 08:36:57,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:57,075 INFO L225 Difference]: With dead ends: 366 [2021-12-22 08:36:57,075 INFO L226 Difference]: Without dead ends: 201 [2021-12-22 08:36:57,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:57,076 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 19 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:57,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 445 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-22 08:36:57,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-12-22 08:36:57,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 186. [2021-12-22 08:36:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.5945945945945945) internal successors, (295), 185 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 295 transitions. [2021-12-22 08:36:57,084 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 295 transitions. Word has length 62 [2021-12-22 08:36:57,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:57,084 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 295 transitions. [2021-12-22 08:36:57,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:57,085 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 295 transitions. [2021-12-22 08:36:57,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-22 08:36:57,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:57,086 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:36:57,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 08:36:57,087 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:57,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:57,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1144939844, now seen corresponding path program 1 times [2021-12-22 08:36:57,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:57,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444537615] [2021-12-22 08:36:57,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:57,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:57,187 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:57,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444537615] [2021-12-22 08:36:57,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444537615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:57,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:57,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:57,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912025598] [2021-12-22 08:36:57,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:57,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:57,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:57,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:57,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:57,189 INFO L87 Difference]: Start difference. First operand 186 states and 295 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:59,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:36:59,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:36:59,373 INFO L93 Difference]: Finished difference Result 364 states and 578 transitions. [2021-12-22 08:36:59,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:36:59,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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 62 [2021-12-22 08:36:59,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:36:59,375 INFO L225 Difference]: With dead ends: 364 [2021-12-22 08:36:59,375 INFO L226 Difference]: Without dead ends: 199 [2021-12-22 08:36:59,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:36:59,376 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 19 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:36:59,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 08:36:59,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-22 08:36:59,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2021-12-22 08:36:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.5891891891891892) internal successors, (294), 185 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:36:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 294 transitions. [2021-12-22 08:36:59,381 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 294 transitions. Word has length 62 [2021-12-22 08:36:59,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:36:59,381 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 294 transitions. [2021-12-22 08:36:59,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 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) [2021-12-22 08:36:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 294 transitions. [2021-12-22 08:36:59,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-22 08:36:59,382 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:36:59,382 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:36:59,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 08:36:59,382 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:36:59,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:36:59,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1652438455, now seen corresponding path program 1 times [2021-12-22 08:36:59,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:36:59,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052167728] [2021-12-22 08:36:59,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:36:59,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:36:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:36:59,458 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:36:59,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:36:59,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052167728] [2021-12-22 08:36:59,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052167728] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:36:59,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:36:59,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:36:59,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278184957] [2021-12-22 08:36:59,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:36:59,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:36:59,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:36:59,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:36:59,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:36:59,459 INFO L87 Difference]: Start difference. First operand 186 states and 294 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:00,465 INFO L93 Difference]: Finished difference Result 364 states and 577 transitions. [2021-12-22 08:37:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:00,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2021-12-22 08:37:00,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:00,467 INFO L225 Difference]: With dead ends: 364 [2021-12-22 08:37:00,467 INFO L226 Difference]: Without dead ends: 199 [2021-12-22 08:37:00,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:00,467 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 22 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:00,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-22 08:37:00,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-22 08:37:00,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2021-12-22 08:37:00,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.5837837837837838) internal successors, (293), 185 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 293 transitions. [2021-12-22 08:37:00,471 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 293 transitions. Word has length 63 [2021-12-22 08:37:00,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:00,471 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 293 transitions. [2021-12-22 08:37:00,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:00,472 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 293 transitions. [2021-12-22 08:37:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-22 08:37:00,472 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:00,472 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:37:00,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 08:37:00,472 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:00,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:00,473 INFO L85 PathProgramCache]: Analyzing trace with hash -848424362, now seen corresponding path program 1 times [2021-12-22 08:37:00,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:00,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26728262] [2021-12-22 08:37:00,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:00,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:00,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:00,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26728262] [2021-12-22 08:37:00,557 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26728262] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:00,557 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:00,557 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:00,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867011374] [2021-12-22 08:37:00,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:00,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:00,558 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:00,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:00,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:00,558 INFO L87 Difference]: Start difference. First operand 186 states and 293 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:02,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:02,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:02,731 INFO L93 Difference]: Finished difference Result 364 states and 576 transitions. [2021-12-22 08:37:02,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:02,732 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-12-22 08:37:02,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:02,733 INFO L225 Difference]: With dead ends: 364 [2021-12-22 08:37:02,733 INFO L226 Difference]: Without dead ends: 199 [2021-12-22 08:37:02,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:02,733 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 20 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:02,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-22 08:37:02,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-22 08:37:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2021-12-22 08:37:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.5783783783783785) internal successors, (292), 185 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:02,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 292 transitions. [2021-12-22 08:37:02,738 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 292 transitions. Word has length 64 [2021-12-22 08:37:02,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:02,738 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 292 transitions. [2021-12-22 08:37:02,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:02,739 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 292 transitions. [2021-12-22 08:37:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-22 08:37:02,742 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:02,742 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:37:02,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-22 08:37:02,742 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:02,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:02,743 INFO L85 PathProgramCache]: Analyzing trace with hash 2026506290, now seen corresponding path program 1 times [2021-12-22 08:37:02,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:02,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154692588] [2021-12-22 08:37:02,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:02,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:02,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:02,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154692588] [2021-12-22 08:37:02,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154692588] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:02,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:02,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:02,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146463682] [2021-12-22 08:37:02,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:02,810 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:02,810 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:02,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:02,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:02,811 INFO L87 Difference]: Start difference. First operand 186 states and 292 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:03,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:03,964 INFO L93 Difference]: Finished difference Result 354 states and 562 transitions. [2021-12-22 08:37:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:03,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2021-12-22 08:37:03,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:03,965 INFO L225 Difference]: With dead ends: 354 [2021-12-22 08:37:03,965 INFO L226 Difference]: Without dead ends: 189 [2021-12-22 08:37:03,966 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:03,966 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 11 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:03,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 463 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-22 08:37:03,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-12-22 08:37:03,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2021-12-22 08:37:03,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 185 states have (on average 1.572972972972973) internal successors, (291), 185 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:03,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 291 transitions. [2021-12-22 08:37:03,970 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 291 transitions. Word has length 65 [2021-12-22 08:37:03,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:03,970 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 291 transitions. [2021-12-22 08:37:03,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 291 transitions. [2021-12-22 08:37:03,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-22 08:37:03,971 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:03,971 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:37:03,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-22 08:37:03,971 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:03,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1546297802, now seen corresponding path program 1 times [2021-12-22 08:37:03,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:03,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684812412] [2021-12-22 08:37:03,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:03,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:04,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:04,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684812412] [2021-12-22 08:37:04,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684812412] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:04,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:04,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:04,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804565959] [2021-12-22 08:37:04,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:04,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:04,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:04,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:04,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:04,052 INFO L87 Difference]: Start difference. First operand 186 states and 291 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:05,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:05,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:05,367 INFO L93 Difference]: Finished difference Result 464 states and 731 transitions. [2021-12-22 08:37:05,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:05,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2021-12-22 08:37:05,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:05,373 INFO L225 Difference]: With dead ends: 464 [2021-12-22 08:37:05,373 INFO L226 Difference]: Without dead ends: 297 [2021-12-22 08:37:05,373 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:05,374 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 109 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:05,374 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 312 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-22 08:37:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-12-22 08:37:05,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 228. [2021-12-22 08:37:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.6255506607929515) internal successors, (369), 227 states have internal predecessors, (369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 369 transitions. [2021-12-22 08:37:05,378 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 369 transitions. Word has length 65 [2021-12-22 08:37:05,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:05,378 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 369 transitions. [2021-12-22 08:37:05,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:05,378 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 369 transitions. [2021-12-22 08:37:05,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-22 08:37:05,379 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:05,380 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:05,381 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-22 08:37:05,381 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:05,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:05,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2039258828, now seen corresponding path program 1 times [2021-12-22 08:37:05,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:05,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552429198] [2021-12-22 08:37:05,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:05,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:05,475 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:05,475 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:05,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552429198] [2021-12-22 08:37:05,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552429198] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:05,476 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:05,476 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:05,476 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324944765] [2021-12-22 08:37:05,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:05,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:05,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:05,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:05,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:05,477 INFO L87 Difference]: Start difference. First operand 228 states and 369 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:06,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:06,669 INFO L93 Difference]: Finished difference Result 543 states and 879 transitions. [2021-12-22 08:37:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:06,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2021-12-22 08:37:06,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:06,671 INFO L225 Difference]: With dead ends: 543 [2021-12-22 08:37:06,671 INFO L226 Difference]: Without dead ends: 336 [2021-12-22 08:37:06,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:06,672 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:06,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 314 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-22 08:37:06,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-12-22 08:37:06,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 260. [2021-12-22 08:37:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 259 states have (on average 1.6447876447876448) internal successors, (426), 259 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 426 transitions. [2021-12-22 08:37:06,677 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 426 transitions. Word has length 93 [2021-12-22 08:37:06,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:06,677 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 426 transitions. [2021-12-22 08:37:06,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 426 transitions. [2021-12-22 08:37:06,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-22 08:37:06,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:06,678 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:06,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-22 08:37:06,678 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:06,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:06,678 INFO L85 PathProgramCache]: Analyzing trace with hash -709781834, now seen corresponding path program 1 times [2021-12-22 08:37:06,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:06,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450776190] [2021-12-22 08:37:06,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:06,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:06,750 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:06,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450776190] [2021-12-22 08:37:06,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450776190] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:06,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:06,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:06,751 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162185808] [2021-12-22 08:37:06,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:06,751 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:06,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:06,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:06,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:06,752 INFO L87 Difference]: Start difference. First operand 260 states and 426 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:08,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:09,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:09,077 INFO L93 Difference]: Finished difference Result 612 states and 998 transitions. [2021-12-22 08:37:09,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:09,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2021-12-22 08:37:09,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:09,079 INFO L225 Difference]: With dead ends: 612 [2021-12-22 08:37:09,079 INFO L226 Difference]: Without dead ends: 373 [2021-12-22 08:37:09,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:09,080 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 109 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:09,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 318 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-22 08:37:09,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-12-22 08:37:09,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 303. [2021-12-22 08:37:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 302 states have (on average 1.6622516556291391) internal successors, (502), 302 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 502 transitions. [2021-12-22 08:37:09,086 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 502 transitions. Word has length 105 [2021-12-22 08:37:09,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:09,086 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 502 transitions. [2021-12-22 08:37:09,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 502 transitions. [2021-12-22 08:37:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-22 08:37:09,087 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:09,087 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2021-12-22 08:37:09,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-22 08:37:09,087 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash 122955886, now seen corresponding path program 1 times [2021-12-22 08:37:09,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:09,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926504901] [2021-12-22 08:37:09,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:09,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 08:37:09,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:09,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926504901] [2021-12-22 08:37:09,183 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926504901] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:09,183 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:09,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:09,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883656971] [2021-12-22 08:37:09,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:09,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:09,184 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:09,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:09,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:09,185 INFO L87 Difference]: Start difference. First operand 303 states and 502 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 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) [2021-12-22 08:37:10,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:10,148 INFO L93 Difference]: Finished difference Result 696 states and 1147 transitions. [2021-12-22 08:37:10,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:10,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 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 106 [2021-12-22 08:37:10,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:10,150 INFO L225 Difference]: With dead ends: 696 [2021-12-22 08:37:10,150 INFO L226 Difference]: Without dead ends: 414 [2021-12-22 08:37:10,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:10,151 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 134 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:10,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 302 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-22 08:37:10,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2021-12-22 08:37:10,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 319. [2021-12-22 08:37:10,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 318 states have (on average 1.650943396226415) internal successors, (525), 318 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 525 transitions. [2021-12-22 08:37:10,157 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 525 transitions. Word has length 106 [2021-12-22 08:37:10,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:10,157 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 525 transitions. [2021-12-22 08:37:10,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 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) [2021-12-22 08:37:10,157 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 525 transitions. [2021-12-22 08:37:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-22 08:37:10,158 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:10,158 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:10,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-22 08:37:10,158 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:10,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:10,159 INFO L85 PathProgramCache]: Analyzing trace with hash 213335615, now seen corresponding path program 1 times [2021-12-22 08:37:10,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:10,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466823431] [2021-12-22 08:37:10,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:10,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:10,252 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-22 08:37:10,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:10,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466823431] [2021-12-22 08:37:10,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466823431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:10,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:10,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:10,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022794240] [2021-12-22 08:37:10,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:10,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:10,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:10,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:10,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:10,254 INFO L87 Difference]: Start difference. First operand 319 states and 525 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:12,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:12,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:12,295 INFO L93 Difference]: Finished difference Result 660 states and 1090 transitions. [2021-12-22 08:37:12,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:12,295 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 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 [2021-12-22 08:37:12,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:12,297 INFO L225 Difference]: With dead ends: 660 [2021-12-22 08:37:12,297 INFO L226 Difference]: Without dead ends: 362 [2021-12-22 08:37:12,297 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:12,297 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 33 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:12,298 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 461 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 08:37:12,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-12-22 08:37:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 341. [2021-12-22 08:37:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6529411764705881) internal successors, (562), 340 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 562 transitions. [2021-12-22 08:37:12,303 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 562 transitions. Word has length 106 [2021-12-22 08:37:12,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:12,303 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 562 transitions. [2021-12-22 08:37:12,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:12,304 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 562 transitions. [2021-12-22 08:37:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-22 08:37:12,304 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:12,304 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 08:37:12,304 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-22 08:37:12,304 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:12,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:12,305 INFO L85 PathProgramCache]: Analyzing trace with hash 427331882, now seen corresponding path program 1 times [2021-12-22 08:37:12,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:12,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732224161] [2021-12-22 08:37:12,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:12,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:12,369 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-22 08:37:12,370 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:12,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732224161] [2021-12-22 08:37:12,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732224161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:12,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:12,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:12,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364665826] [2021-12-22 08:37:12,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:12,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:12,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:12,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:12,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:12,371 INFO L87 Difference]: Start difference. First operand 341 states and 562 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:14,065 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:14,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:14,363 INFO L93 Difference]: Finished difference Result 730 states and 1191 transitions. [2021-12-22 08:37:14,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:14,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 107 [2021-12-22 08:37:14,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:14,365 INFO L225 Difference]: With dead ends: 730 [2021-12-22 08:37:14,365 INFO L226 Difference]: Without dead ends: 410 [2021-12-22 08:37:14,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:14,366 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 133 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:14,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 316 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 08:37:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-22 08:37:14,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-22 08:37:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.638235294117647) internal successors, (557), 340 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 557 transitions. [2021-12-22 08:37:14,373 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 557 transitions. Word has length 107 [2021-12-22 08:37:14,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:14,373 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 557 transitions. [2021-12-22 08:37:14,373 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:14,373 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 557 transitions. [2021-12-22 08:37:14,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-22 08:37:14,374 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:14,374 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 08:37:14,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-22 08:37:14,375 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:14,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:14,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1864076429, now seen corresponding path program 1 times [2021-12-22 08:37:14,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:14,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970073807] [2021-12-22 08:37:14,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:14,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-22 08:37:14,463 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:14,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970073807] [2021-12-22 08:37:14,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970073807] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:14,464 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:14,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:14,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826060452] [2021-12-22 08:37:14,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:14,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:14,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:14,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:14,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:14,465 INFO L87 Difference]: Start difference. First operand 341 states and 557 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:15,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:15,139 INFO L93 Difference]: Finished difference Result 729 states and 1180 transitions. [2021-12-22 08:37:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:15,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 120 [2021-12-22 08:37:15,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:15,141 INFO L225 Difference]: With dead ends: 729 [2021-12-22 08:37:15,141 INFO L226 Difference]: Without dead ends: 409 [2021-12-22 08:37:15,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:15,142 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 138 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:15,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 318 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-12-22 08:37:15,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-12-22 08:37:15,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 341. [2021-12-22 08:37:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6205882352941177) internal successors, (551), 340 states have internal predecessors, (551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:15,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 551 transitions. [2021-12-22 08:37:15,148 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 551 transitions. Word has length 120 [2021-12-22 08:37:15,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:15,148 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 551 transitions. [2021-12-22 08:37:15,148 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:15,148 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 551 transitions. [2021-12-22 08:37:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-22 08:37:15,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:15,149 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 08:37:15,149 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-22 08:37:15,150 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:15,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:15,150 INFO L85 PathProgramCache]: Analyzing trace with hash -718677215, now seen corresponding path program 1 times [2021-12-22 08:37:15,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:15,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225340311] [2021-12-22 08:37:15,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:15,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:15,217 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-22 08:37:15,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:15,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225340311] [2021-12-22 08:37:15,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225340311] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:15,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:15,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:15,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410697976] [2021-12-22 08:37:15,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:15,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:15,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:15,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:15,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:15,219 INFO L87 Difference]: Start difference. First operand 341 states and 551 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:17,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:17,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:17,503 INFO L93 Difference]: Finished difference Result 729 states and 1168 transitions. [2021-12-22 08:37:17,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:17,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 120 [2021-12-22 08:37:17,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:17,505 INFO L225 Difference]: With dead ends: 729 [2021-12-22 08:37:17,505 INFO L226 Difference]: Without dead ends: 409 [2021-12-22 08:37:17,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:17,506 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 136 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 61 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:17,506 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 304 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-22 08:37:17,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-12-22 08:37:17,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 341. [2021-12-22 08:37:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6029411764705883) internal successors, (545), 340 states have internal predecessors, (545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:17,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 545 transitions. [2021-12-22 08:37:17,512 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 545 transitions. Word has length 120 [2021-12-22 08:37:17,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:17,512 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 545 transitions. [2021-12-22 08:37:17,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 545 transitions. [2021-12-22 08:37:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-22 08:37:17,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:17,513 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:17,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-22 08:37:17,513 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:17,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:17,514 INFO L85 PathProgramCache]: Analyzing trace with hash 378996041, now seen corresponding path program 1 times [2021-12-22 08:37:17,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:17,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066292643] [2021-12-22 08:37:17,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:17,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-22 08:37:17,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:17,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066292643] [2021-12-22 08:37:17,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066292643] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:17,576 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:17,576 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:17,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802409899] [2021-12-22 08:37:17,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:17,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:17,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:17,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:17,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:17,578 INFO L87 Difference]: Start difference. First operand 341 states and 545 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:18,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:18,609 INFO L93 Difference]: Finished difference Result 678 states and 1088 transitions. [2021-12-22 08:37:18,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:18,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 120 [2021-12-22 08:37:18,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:18,610 INFO L225 Difference]: With dead ends: 678 [2021-12-22 08:37:18,610 INFO L226 Difference]: Without dead ends: 358 [2021-12-22 08:37:18,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:18,611 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 33 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:18,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-12-22 08:37:18,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-22 08:37:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 341. [2021-12-22 08:37:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.6) internal successors, (544), 340 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 544 transitions. [2021-12-22 08:37:18,617 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 544 transitions. Word has length 120 [2021-12-22 08:37:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:18,617 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 544 transitions. [2021-12-22 08:37:18,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 544 transitions. [2021-12-22 08:37:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-22 08:37:18,618 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:18,618 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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] [2021-12-22 08:37:18,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-22 08:37:18,618 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:18,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1084989027, now seen corresponding path program 1 times [2021-12-22 08:37:18,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:18,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218060891] [2021-12-22 08:37:18,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:18,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:18,720 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-22 08:37:18,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:18,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218060891] [2021-12-22 08:37:18,720 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218060891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:18,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:18,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:18,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237870747] [2021-12-22 08:37:18,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:18,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:18,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:18,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:18,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:18,722 INFO L87 Difference]: Start difference. First operand 341 states and 544 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 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) [2021-12-22 08:37:19,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:19,841 INFO L93 Difference]: Finished difference Result 678 states and 1086 transitions. [2021-12-22 08:37:19,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:19,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 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 121 [2021-12-22 08:37:19,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:19,843 INFO L225 Difference]: With dead ends: 678 [2021-12-22 08:37:19,843 INFO L226 Difference]: Without dead ends: 358 [2021-12-22 08:37:19,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:19,844 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 37 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:19,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-22 08:37:19,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-22 08:37:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 341. [2021-12-22 08:37:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5970588235294119) internal successors, (543), 340 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 543 transitions. [2021-12-22 08:37:19,850 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 543 transitions. Word has length 121 [2021-12-22 08:37:19,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:19,850 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 543 transitions. [2021-12-22 08:37:19,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 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) [2021-12-22 08:37:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 543 transitions. [2021-12-22 08:37:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-22 08:37:19,851 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:19,852 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2021-12-22 08:37:19,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-22 08:37:19,852 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:19,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:19,852 INFO L85 PathProgramCache]: Analyzing trace with hash -112241050, now seen corresponding path program 1 times [2021-12-22 08:37:19,852 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:19,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368204383] [2021-12-22 08:37:19,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:19,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-22 08:37:19,924 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:19,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368204383] [2021-12-22 08:37:19,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368204383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:19,925 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:19,925 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:19,925 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233339968] [2021-12-22 08:37:19,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:19,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:19,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:19,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:19,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:19,926 INFO L87 Difference]: Start difference. First operand 341 states and 543 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:21,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:21,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:21,989 INFO L93 Difference]: Finished difference Result 729 states and 1152 transitions. [2021-12-22 08:37:21,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:21,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 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 122 [2021-12-22 08:37:21,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:21,991 INFO L225 Difference]: With dead ends: 729 [2021-12-22 08:37:21,991 INFO L226 Difference]: Without dead ends: 409 [2021-12-22 08:37:21,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:21,992 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 133 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:21,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 318 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-22 08:37:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2021-12-22 08:37:21,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 341. [2021-12-22 08:37:21,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5794117647058823) internal successors, (537), 340 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 537 transitions. [2021-12-22 08:37:21,998 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 537 transitions. Word has length 122 [2021-12-22 08:37:21,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:21,998 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 537 transitions. [2021-12-22 08:37:21,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2021-12-22 08:37:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-22 08:37:21,999 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:21,999 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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] [2021-12-22 08:37:21,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-22 08:37:21,999 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:22,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:22,000 INFO L85 PathProgramCache]: Analyzing trace with hash -578312574, now seen corresponding path program 1 times [2021-12-22 08:37:22,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:22,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824765216] [2021-12-22 08:37:22,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:22,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-22 08:37:22,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:22,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824765216] [2021-12-22 08:37:22,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824765216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:22,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:22,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 08:37:22,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968031176] [2021-12-22 08:37:22,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:22,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 08:37:22,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 08:37:22,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 08:37:22,071 INFO L87 Difference]: Start difference. First operand 341 states and 537 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:23,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:23,475 INFO L93 Difference]: Finished difference Result 668 states and 1059 transitions. [2021-12-22 08:37:23,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 08:37:23,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 123 [2021-12-22 08:37:23,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:23,476 INFO L225 Difference]: With dead ends: 668 [2021-12-22 08:37:23,476 INFO L226 Difference]: Without dead ends: 348 [2021-12-22 08:37:23,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:23,477 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 26 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:23,477 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 483 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-22 08:37:23,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-12-22 08:37:23,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 341. [2021-12-22 08:37:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.576470588235294) internal successors, (536), 340 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 536 transitions. [2021-12-22 08:37:23,483 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 536 transitions. Word has length 123 [2021-12-22 08:37:23,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:23,483 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 536 transitions. [2021-12-22 08:37:23,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:23,483 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 536 transitions. [2021-12-22 08:37:23,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 08:37:23,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:23,484 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:23,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-22 08:37:23,485 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:23,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1128276771, now seen corresponding path program 1 times [2021-12-22 08:37:23,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:23,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017499161] [2021-12-22 08:37:23,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:23,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-22 08:37:23,837 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 08:37:23,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017499161] [2021-12-22 08:37:23,838 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017499161] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:23,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:23,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 08:37:23,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780604920] [2021-12-22 08:37:23,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:23,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 08:37:23,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 08:37:23,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 08:37:23,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:23,840 INFO L87 Difference]: Start difference. First operand 341 states and 536 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:25,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:26,352 INFO L93 Difference]: Finished difference Result 679 states and 1068 transitions. [2021-12-22 08:37:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-22 08:37:26,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 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 127 [2021-12-22 08:37:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:26,353 INFO L225 Difference]: With dead ends: 679 [2021-12-22 08:37:26,353 INFO L226 Difference]: Without dead ends: 341 [2021-12-22 08:37:26,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-12-22 08:37:26,354 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:26,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-22 08:37:26,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-12-22 08:37:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-12-22 08:37:26,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 340 states have (on average 1.5735294117647058) internal successors, (535), 340 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:26,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 535 transitions. [2021-12-22 08:37:26,359 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 535 transitions. Word has length 127 [2021-12-22 08:37:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:26,359 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 535 transitions. [2021-12-22 08:37:26,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:26,359 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 535 transitions. [2021-12-22 08:37:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 08:37:26,360 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:26,360 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:26,360 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-22 08:37:26,360 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:26,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:26,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1834873377, now seen corresponding path program 1 times [2021-12-22 08:37:26,361 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 08:37:26,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111345765] [2021-12-22 08:37:26,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:26,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 08:37:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 08:37:26,790 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 08:37:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 08:37:26,999 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 08:37:27,000 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-22 08:37:27,000 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 08:37:27,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-22 08:37:27,006 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:27,008 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-22 08:37:27,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 08:37:27 BoogieIcfgContainer [2021-12-22 08:37:27,087 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-22 08:37:27,088 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 08:37:27,088 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 08:37:27,088 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 08:37:27,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:36:48" (3/4) ... [2021-12-22 08:37:27,090 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 08:37:27,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 08:37:27,091 INFO L158 Benchmark]: Toolchain (without parser) took 42138.91ms. Allocated memory was 92.3MB in the beginning and 155.2MB in the end (delta: 62.9MB). Free memory was 57.9MB in the beginning and 55.6MB in the end (delta: 2.3MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2021-12-22 08:37:27,091 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 08:37:27,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.28ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 57.7MB in the beginning and 78.6MB in the end (delta: -20.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-12-22 08:37:27,091 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.79ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 73.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-22 08:37:27,092 INFO L158 Benchmark]: Boogie Preprocessor took 75.34ms. Allocated memory is still 123.7MB. Free memory was 73.8MB in the beginning and 66.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 08:37:27,092 INFO L158 Benchmark]: RCFGBuilder took 2923.63ms. Allocated memory is still 123.7MB. Free memory was 66.7MB in the beginning and 89.5MB in the end (delta: -22.8MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2021-12-22 08:37:27,092 INFO L158 Benchmark]: TraceAbstraction took 38600.17ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 88.7MB in the beginning and 55.6MB in the end (delta: 33.1MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. [2021-12-22 08:37:27,092 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 155.2MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 08:37:27,093 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 39.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.28ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 57.7MB in the beginning and 78.6MB in the end (delta: -20.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.79ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 73.8MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.34ms. Allocated memory is still 123.7MB. Free memory was 73.8MB in the beginning and 66.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2923.63ms. Allocated memory is still 123.7MB. Free memory was 66.7MB in the beginning and 89.5MB in the end (delta: -22.8MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * TraceAbstraction took 38600.17ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 88.7MB in the beginning and 55.6MB in the end (delta: 33.1MB). Peak memory consumption was 93.4MB. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 155.2MB. Free memory is still 55.6MB. There was no memory consumed. 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 - UnprovableResult [Line: 1733]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 1152. Possible FailurePath: [L1054] static int init = 1; [L1055] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={4:0}] [L1077] SSL *s ; [L1078] int tmp ; [L1082] s = malloc(sizeof(SSL)) [L1083] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1084] s->ctx = malloc(sizeof(SSL_CTX)) [L1085] s->session = malloc(sizeof(SSL_SESSION)) [L1086] s->state = 8464 [L1088] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1089] s->options = __VERIFIER_nondet_ulong() [L1090] s->verify_mode = __VERIFIER_nondet_int() [L1091] EXPR s->session [L1091] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1092] EXPR s->s3 [L1092] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1093] EXPR s->s3 [L1093] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1094] EXPR s->s3 [L1094] EXPR (s->s3)->tmp.new_cipher [L1094] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1095] EXPR s->s3 [L1095] EXPR (s->s3)->tmp.new_cipher [L1095] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1096] COND FALSE !(__VERIFIER_nondet_int()) [L1102] s->cert = malloc(sizeof(struct cert_st)) [L1103] EXPR s->cert [L1103] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1106] CALL ssl3_accept(s) [L1112] BUF_MEM *buf ; [L1113] unsigned long l ; [L1114] unsigned long Time ; [L1115] unsigned long tmp ; [L1116] void (*cb)() ; [L1117] long num1 ; [L1118] int ret ; [L1119] int new_state ; [L1120] int state ; [L1121] int skip ; [L1122] int got_new_session ; [L1123] int tmp___1 = __VERIFIER_nondet_int() ; [L1124] int tmp___2 = __VERIFIER_nondet_int() ; [L1125] int tmp___3 = __VERIFIER_nondet_int() ; [L1126] int tmp___4 = __VERIFIER_nondet_int() ; [L1127] int tmp___5 = __VERIFIER_nondet_int() ; [L1128] int tmp___6 = __VERIFIER_nondet_int() ; [L1129] int tmp___7 ; [L1130] long tmp___8 = __VERIFIER_nondet_long() ; [L1131] int tmp___9 = __VERIFIER_nondet_int() ; [L1132] int tmp___10 = __VERIFIER_nondet_int() ; [L1133] int blastFlag ; [L1137] blastFlag = 0 [L1138] s->hit=__VERIFIER_nondet_int () [L1139] s->state = 8464 [L1140] tmp = __VERIFIER_nondet_int() [L1141] Time = tmp [L1142] cb = (void (*)())((void *)0) [L1143] ret = -1 [L1144] skip = 0 [L1145] got_new_session = 0 [L1146] EXPR s->info_callback VAL [={0:0}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->info_callback={0:5}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1146] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1147] EXPR s->info_callback [L1147] cb = s->info_callback [L1151] EXPR s->in_handshake [L1151] s->in_handshake += 1 [L1152] COND FALSE !(tmp___1 & 12288) VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] EXPR s->cert VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->cert={-4294967295:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1161] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1167] COND TRUE 1 VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:5}, blastFlag=0, got_new_session=0, init=1, ret=-1, s={-4294967297:0}, s={-4294967297:0}, s->state=8464, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND TRUE s->state == 8464 [L1354] s->shutdown = 0 [L1355] ret = __VERIFIER_nondet_int() [L1356] COND TRUE blastFlag == 0 [L1357] blastFlag = 1 VAL [={0:5}, blastFlag=1, got_new_session=0, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1361] COND FALSE !(ret <= 0) [L1366] got_new_session = 1 [L1367] s->state = 8496 [L1368] s->init_num = 0 VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:5}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->s3={-4294967299:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8464, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:5}, blastFlag=1, got_new_session=1, init=1, ret=1, s={-4294967297:0}, s={-4294967297:0}, s->state=8496, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND TRUE s->state == 8496 [L1372] ret = __VERIFIER_nondet_int() [L1373] COND TRUE blastFlag == 1 [L1374] blastFlag = 2 VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1378] COND FALSE !(ret <= 0) [L1383] s->hit VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->hit=8, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1383] COND TRUE s->hit [L1384] s->state = 8656 VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1388] s->init_num = 0 VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:5}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->s3={-4294967299:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8496, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:5}, blastFlag=2, got_new_session=1, init=1, ret=14, s={-4294967297:0}, s={-4294967297:0}, s->state=8656, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND TRUE s->state == 8656 [L1581] EXPR s->session [L1581] EXPR s->s3 [L1581] EXPR (s->s3)->tmp.new_cipher [L1581] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1582] COND FALSE !(! tmp___9) [L1588] ret = __VERIFIER_nondet_int() [L1589] COND TRUE blastFlag == 2 [L1590] blastFlag = 4 VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1598] COND FALSE !(ret <= 0) [L1603] s->state = 8672 [L1604] s->init_num = 0 VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1605] COND FALSE !(! tmp___10) VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] EXPR s->s3 [L1692] EXPR (s->s3)->tmp.reuse_message VAL [={0:5}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->s3={-4294967299:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1692] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1721] skip = 0 VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1167] COND TRUE 1 VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8656, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1169] EXPR s->state [L1169] state = s->state [L1170] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1170] COND FALSE !(s->state == 12292) [L1173] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1173] COND FALSE !(s->state == 16384) [L1176] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1176] COND FALSE !(s->state == 8192) [L1179] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1179] COND FALSE !(s->state == 24576) [L1182] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1182] COND FALSE !(s->state == 8195) [L1185] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1185] COND FALSE !(s->state == 8480) [L1188] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1188] COND FALSE !(s->state == 8481) [L1191] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1191] COND FALSE !(s->state == 8482) [L1194] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1194] COND FALSE !(s->state == 8464) [L1197] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1197] COND FALSE !(s->state == 8465) [L1200] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1200] COND FALSE !(s->state == 8466) [L1203] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1203] COND FALSE !(s->state == 8496) [L1206] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1206] COND FALSE !(s->state == 8497) [L1209] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1209] COND FALSE !(s->state == 8512) [L1212] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1212] COND FALSE !(s->state == 8513) [L1215] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1215] COND FALSE !(s->state == 8528) [L1218] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1218] COND FALSE !(s->state == 8529) [L1221] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1221] COND FALSE !(s->state == 8544) [L1224] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1224] COND FALSE !(s->state == 8545) [L1227] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1227] COND FALSE !(s->state == 8560) [L1230] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1230] COND FALSE !(s->state == 8561) [L1233] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1233] COND FALSE !(s->state == 8448) [L1236] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1236] COND FALSE !(s->state == 8576) [L1239] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1239] COND FALSE !(s->state == 8577) [L1242] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1242] COND FALSE !(s->state == 8592) [L1245] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1245] COND FALSE !(s->state == 8593) [L1248] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1248] COND FALSE !(s->state == 8608) [L1251] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1251] COND FALSE !(s->state == 8609) [L1254] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1254] COND FALSE !(s->state == 8640) [L1257] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1257] COND FALSE !(s->state == 8641) [L1260] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1260] COND FALSE !(s->state == 8656) [L1263] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1263] COND FALSE !(s->state == 8657) [L1266] EXPR s->state VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=15, s={-4294967297:0}, s={-4294967297:0}, s->state=8672, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1266] COND TRUE s->state == 8672 [L1614] ret = __VERIFIER_nondet_int() [L1615] COND TRUE blastFlag == 4 VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=-13, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] [L1733] reach_error() VAL [={0:5}, blastFlag=4, got_new_session=1, init=1, ret=-13, s={-4294967297:0}, s={-4294967297:0}, skip=0, SSLv3_server_data={4:0}, state=8672, Time=0, tmp=0, tmp___1=0, tmp___10=1, tmp___2=0, tmp___3=0, tmp___4=0, tmp___5=0, tmp___6=0, tmp___8=0, tmp___9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.5s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 35.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 1476 SdHoareTripleChecker+Valid, 34.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1476 mSDsluCounter, 9447 SdHoareTripleChecker+Invalid, 33.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5867 mSDsCounter, 615 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4435 IncrementalHoareTripleChecker+Invalid, 5054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 615 mSolverCounterUnsat, 3580 mSDtfsCounter, 4435 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=341occurred in iteration=15, InterpolantAutomatonStates: 94, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 838 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2158 NumberOfCodeBlocks, 2158 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 2008 ConstructedInterpolants, 0 QuantifiedInterpolants, 4903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 1128/1128 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-22 08:37:27,127 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/s3_srvr.blast.04.i.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 08:37:28,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 08:37:28,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 08:37:28,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 08:37:28,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 08:37:28,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 08:37:28,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 08:37:28,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 08:37:28,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 08:37:28,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 08:37:28,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 08:37:28,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 08:37:28,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 08:37:28,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 08:37:28,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 08:37:28,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 08:37:28,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 08:37:28,703 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 08:37:28,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 08:37:28,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 08:37:28,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 08:37:28,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 08:37:28,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 08:37:28,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 08:37:28,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 08:37:28,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 08:37:28,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 08:37:28,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 08:37:28,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 08:37:28,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 08:37:28,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 08:37:28,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 08:37:28,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 08:37:28,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 08:37:28,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 08:37:28,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 08:37:28,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 08:37:28,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 08:37:28,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 08:37:28,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 08:37:28,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 08:37:28,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-22 08:37:28,757 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 08:37:28,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 08:37:28,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 08:37:28,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 08:37:28,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 08:37:28,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 08:37:28,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 08:37:28,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 08:37:28,760 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 08:37:28,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 08:37:28,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 08:37:28,761 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 08:37:28,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 08:37:28,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 08:37:28,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 08:37:28,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 08:37:28,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 08:37:28,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 08:37:28,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 08:37:28,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:37:28,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 08:37:28,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 08:37:28,764 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 08:37:28,764 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 08:37:28,764 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 08:37:28,764 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 08:37:28,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 08:37:28,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 08:37:28,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 08:37:28,765 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 08:37:28,765 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77bf68ba948969a1221675397215385a80fe998a5bd74b2516bc1a677cd2e8b7 [2021-12-22 08:37:29,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 08:37:29,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 08:37:29,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 08:37:29,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 08:37:29,026 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 08:37:29,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-12-22 08:37:29,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1269911c3/5a57975f6913484faf711b2cb3e8680a/FLAGccf6adc45 [2021-12-22 08:37:29,550 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 08:37:29,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.04.i.cil.c [2021-12-22 08:37:29,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1269911c3/5a57975f6913484faf711b2cb3e8680a/FLAGccf6adc45 [2021-12-22 08:37:29,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1269911c3/5a57975f6913484faf711b2cb3e8680a [2021-12-22 08:37:29,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 08:37:29,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 08:37:29,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 08:37:29,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 08:37:29,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 08:37:29,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:37:29" (1/1) ... [2021-12-22 08:37:29,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f78604a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:29, skipping insertion in model container [2021-12-22 08:37:29,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:37:29" (1/1) ... [2021-12-22 08:37:29,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 08:37:29,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 08:37:29,955 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/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-12-22 08:37:29,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:37:29,981 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-22 08:37:29,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 08:37:30,082 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/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-12-22 08:37:30,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:37:30,098 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 08:37:30,164 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/s3_srvr.blast.04.i.cil.c[72500,72513] [2021-12-22 08:37:30,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 08:37:30,185 INFO L208 MainTranslator]: Completed translation [2021-12-22 08:37:30,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30 WrapperNode [2021-12-22 08:37:30,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 08:37:30,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 08:37:30,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 08:37:30,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 08:37:30,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,274 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-12-22 08:37:30,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 08:37:30,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 08:37:30,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 08:37:30,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 08:37:30,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,353 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 08:37:30,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 08:37:30,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 08:37:30,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 08:37:30,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (1/1) ... [2021-12-22 08:37:30,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 08:37:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 08:37:30,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 08:37:30,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 08:37:30,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 08:37:30,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 08:37:30,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-22 08:37:30,563 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 08:37:30,564 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 08:37:30,580 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-22 08:37:38,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-22 08:37:38,235 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-22 08:37:38,235 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 08:37:38,243 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 08:37:38,243 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 08:37:38,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:37:38 BoogieIcfgContainer [2021-12-22 08:37:38,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 08:37:38,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 08:37:38,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 08:37:38,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 08:37:38,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 08:37:29" (1/3) ... [2021-12-22 08:37:38,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e23944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:37:38, skipping insertion in model container [2021-12-22 08:37:38,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:37:30" (2/3) ... [2021-12-22 08:37:38,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66e23944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 08:37:38, skipping insertion in model container [2021-12-22 08:37:38,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:37:38" (3/3) ... [2021-12-22 08:37:38,252 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.04.i.cil.c [2021-12-22 08:37:38,256 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 08:37:38,256 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 08:37:38,287 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 08:37:38,293 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 08:37:38,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 08:37:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-22 08:37:38,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:38,323 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:38,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:38,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:38,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-12-22 08:37:38,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 08:37:38,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175667241] [2021-12-22 08:37:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:38,338 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 08:37:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 08:37:38,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 08:37:38,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-22 08:37:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:38,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:37:38,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:37:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:39,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:37:39,064 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 08:37:39,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175667241] [2021-12-22 08:37:39,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175667241] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:39,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:39,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:37:39,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787197106] [2021-12-22 08:37:39,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:39,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:37:39,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 08:37:39,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:37:39,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:37:39,087 INFO L87 Difference]: Start difference. First operand has 145 states, 143 states have (on average 1.7062937062937062) internal successors, (244), 144 states have internal predecessors, (244), 0 states have call successors, (0), 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 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:39,162 INFO L93 Difference]: Finished difference Result 412 states and 698 transitions. [2021-12-22 08:37:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:37:39,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2021-12-22 08:37:39,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:39,174 INFO L225 Difference]: With dead ends: 412 [2021-12-22 08:37:39,174 INFO L226 Difference]: Without dead ends: 251 [2021-12-22 08:37:39,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:37:39,181 INFO L933 BasicCegarLoop]: 236 mSDtfsCounter, 186 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:39,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 456 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-22 08:37:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-12-22 08:37:39,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-12-22 08:37:39,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 250 states have (on average 1.516) internal successors, (379), 250 states have internal predecessors, (379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:39,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2021-12-22 08:37:39,217 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 47 [2021-12-22 08:37:39,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:39,218 INFO L470 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2021-12-22 08:37:39,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2021-12-22 08:37:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-22 08:37:39,220 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:39,220 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 08:37:39,237 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-22 08:37:39,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 08:37:39,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:39,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:39,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1889550317, now seen corresponding path program 1 times [2021-12-22 08:37:39,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 08:37:39,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407781039] [2021-12-22 08:37:39,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:39,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 08:37:39,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 08:37:39,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 08:37:39,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-22 08:37:39,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:39,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:37:39,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:37:40,069 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 08:37:40,069 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:37:40,069 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 08:37:40,069 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407781039] [2021-12-22 08:37:40,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407781039] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:40,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:40,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:37:40,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255684816] [2021-12-22 08:37:40,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:40,070 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:37:40,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 08:37:40,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:37:40,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:37:40,071 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:40,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:40,142 INFO L93 Difference]: Finished difference Result 490 states and 746 transitions. [2021-12-22 08:37:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:37:40,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2021-12-22 08:37:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:40,144 INFO L225 Difference]: With dead ends: 490 [2021-12-22 08:37:40,144 INFO L226 Difference]: Without dead ends: 368 [2021-12-22 08:37:40,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:37:40,145 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 135 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:40,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 557 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:37:40,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-12-22 08:37:40,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2021-12-22 08:37:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.5122615803814714) internal successors, (555), 367 states have internal predecessors, (555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:40,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 555 transitions. [2021-12-22 08:37:40,158 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 555 transitions. Word has length 64 [2021-12-22 08:37:40,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:40,158 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 555 transitions. [2021-12-22 08:37:40,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 555 transitions. [2021-12-22 08:37:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-22 08:37:40,161 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:40,161 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-12-22 08:37:40,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-22 08:37:40,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 08:37:40,375 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:40,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:40,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1833682444, now seen corresponding path program 1 times [2021-12-22 08:37:40,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 08:37:40,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [41934741] [2021-12-22 08:37:40,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:40,377 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 08:37:40,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 08:37:40,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 08:37:40,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-22 08:37:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:40,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 735 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-22 08:37:40,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:37:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-22 08:37:41,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:37:41,073 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 08:37:41,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [41934741] [2021-12-22 08:37:41,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [41934741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:41,074 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:41,074 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 08:37:41,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504131222] [2021-12-22 08:37:41,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:41,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 08:37:41,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 08:37:41,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 08:37:41,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:37:41,075 INFO L87 Difference]: Start difference. First operand 368 states and 555 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:41,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 08:37:41,168 INFO L93 Difference]: Finished difference Result 724 states and 1098 transitions. [2021-12-22 08:37:41,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 08:37:41,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 86 [2021-12-22 08:37:41,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 08:37:41,171 INFO L225 Difference]: With dead ends: 724 [2021-12-22 08:37:41,171 INFO L226 Difference]: Without dead ends: 485 [2021-12-22 08:37:41,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 08:37:41,172 INFO L933 BasicCegarLoop]: 372 mSDtfsCounter, 134 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 08:37:41,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 561 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 08:37:41,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-12-22 08:37:41,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-12-22 08:37:41,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 485 states, 484 states have (on average 1.512396694214876) internal successors, (732), 484 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 732 transitions. [2021-12-22 08:37:41,189 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 732 transitions. Word has length 86 [2021-12-22 08:37:41,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 08:37:41,189 INFO L470 AbstractCegarLoop]: Abstraction has 485 states and 732 transitions. [2021-12-22 08:37:41,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:41,189 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 732 transitions. [2021-12-22 08:37:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-22 08:37:41,192 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 08:37:41,192 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 08:37:41,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-22 08:37:41,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-22 08:37:41,412 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 08:37:41,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 08:37:41,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1128276771, now seen corresponding path program 1 times [2021-12-22 08:37:41,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-22 08:37:41,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346794892] [2021-12-22 08:37:41,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 08:37:41,413 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-22 08:37:41,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-22 08:37:41,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-22 08:37:41,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-22 08:37:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 08:37:42,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-22 08:37:42,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 08:37:42,321 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-22 08:37:42,334 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-22 08:37:42,846 INFO L353 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-12-22 08:37:42,846 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 58 treesize of output 85 [2021-12-22 08:37:42,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:42,934 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 85 [2021-12-22 08:37:43,104 INFO L353 Elim1Store]: treesize reduction 324, result has 10.2 percent of original size [2021-12-22 08:37:43,104 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 49 [2021-12-22 08:37:43,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-22 08:37:43,148 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 49 [2021-12-22 08:37:43,180 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-22 08:37:43,185 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-22 08:37:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-22 08:37:43,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-22 08:37:43,440 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-22 08:37:43,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346794892] [2021-12-22 08:37:43,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346794892] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 08:37:43,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 08:37:43,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 08:37:43,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368943830] [2021-12-22 08:37:43,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 08:37:43,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 08:37:43,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-22 08:37:43,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 08:37:43,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 08:37:43,442 INFO L87 Difference]: Start difference. First operand 485 states and 732 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 08:37:45,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 08:37:47,477 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []