./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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.03.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 c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:21:51,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:21:51,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:21:51,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:21:51,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:21:51,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:21:51,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:21:51,129 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:21:51,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:21:51,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:21:51,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:21:51,136 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:21:51,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:21:51,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:21:51,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:21:51,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:21:51,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:21:51,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:21:51,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:21:51,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:21:51,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:21:51,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:21:51,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:21:51,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:21:51,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:21:51,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:21:51,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:21:51,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:21:51,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:21:51,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:21:51,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:21:51,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:21:51,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:21:51,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:21:51,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:21:51,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:21:51,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:21:51,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:21:51,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:21:51,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:21:51,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:21:51,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 10:21:51,200 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:21:51,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:21:51,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:21:51,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:21:51,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:21:51,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:21:51,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:21:51,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:21:51,202 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:21:51,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:21:51,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:21:51,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 10:21:51,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:21:51,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:21:51,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:21:51,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:21:51,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:21:51,205 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:21:51,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:21:51,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:21:51,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:21:51,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:21:51,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 10:21:51,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 10:21:51,206 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:21:51,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:21:51,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:21:51,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:21:51,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 [2021-12-21 10:21:51,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:21:51,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:21:51,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:21:51,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:21:51,461 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:21:51,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-12-21 10:21:51,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e3a2ac3/3cdc33eac4b24bbcbd850ed0bd1c1379/FLAG6838a4f08 [2021-12-21 10:21:51,960 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:21:51,960 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-12-21 10:21:51,984 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e3a2ac3/3cdc33eac4b24bbcbd850ed0bd1c1379/FLAG6838a4f08 [2021-12-21 10:21:52,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87e3a2ac3/3cdc33eac4b24bbcbd850ed0bd1c1379 [2021-12-21 10:21:52,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:21:52,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:21:52,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:21:52,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:21:52,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:21:52,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:52,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d1a1765 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52, skipping insertion in model container [2021-12-21 10:21:52,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:52,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:21:52,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:21:52,876 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.03.i.cil.c[72493,72506] [2021-12-21 10:21:52,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:21:52,889 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:21:52,952 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.03.i.cil.c[72493,72506] [2021-12-21 10:21:52,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:21:52,975 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:21:52,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52 WrapperNode [2021-12-21 10:21:52,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:21:52,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:21:52,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:21:52,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:21:52,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,049 INFO L137 Inliner]: procedures = 31, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 782 [2021-12-21 10:21:53,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:21:53,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:21:53,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:21:53,055 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:21:53,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,072 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:21:53,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:21:53,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:21:53,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:21:53,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (1/1) ... [2021-12-21 10:21:53,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:21:53,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:21:53,163 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) [2021-12-21 10:21:53,188 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 [2021-12-21 10:21:53,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 10:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 10:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 10:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 10:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 10:21:53,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 10:21:53,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:21:53,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:21:53,330 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:21:53,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:21:53,349 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 10:21:55,874 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-21 10:21:55,875 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-21 10:21:55,875 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:21:55,880 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:21:55,880 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:21:55,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:21:55 BoogieIcfgContainer [2021-12-21 10:21:55,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:21:55,883 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:21:55,883 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:21:55,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:21:55,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:21:52" (1/3) ... [2021-12-21 10:21:55,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f2ad7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:21:55, skipping insertion in model container [2021-12-21 10:21:55,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:21:52" (2/3) ... [2021-12-21 10:21:55,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48f2ad7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:21:55, skipping insertion in model container [2021-12-21 10:21:55,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:21:55" (3/3) ... [2021-12-21 10:21:55,887 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2021-12-21 10:21:55,890 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:21:55,890 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:21:55,930 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:21:55,936 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 [2021-12-21 10:21:55,936 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:21:55,950 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) [2021-12-21 10:21:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-21 10:21:55,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:21:55,959 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] [2021-12-21 10:21:55,960 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:21:55,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:21:55,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1430119920, now seen corresponding path program 1 times [2021-12-21 10:21:55,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:21:55,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850073393] [2021-12-21 10:21:55,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:21:55,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:21:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:21:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:21:56,375 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:21:56,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850073393] [2021-12-21 10:21:56,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850073393] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:21:56,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:21:56,376 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:21:56,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426789253] [2021-12-21 10:21:56,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:21:56,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:21:56,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:21:56,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:21:56,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:21:56,405 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) [2021-12-21 10:21:58,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:21:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:21:58,978 INFO L93 Difference]: Finished difference Result 406 states and 687 transitions. [2021-12-21 10:21:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:21:58,993 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 [2021-12-21 10:21:58,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:21:59,004 INFO L225 Difference]: With dead ends: 406 [2021-12-21 10:21:59,005 INFO L226 Difference]: Without dead ends: 246 [2021-12-21 10:21:59,009 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 [2021-12-21 10:21:59,016 INFO L933 BasicCegarLoop]: 142 mSDtfsCounter, 142 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 63 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-21 10:21:59,016 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 411 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 274 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2021-12-21 10:21:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2021-12-21 10:21:59,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 175. [2021-12-21 10:21:59,074 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) [2021-12-21 10:21:59,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 280 transitions. [2021-12-21 10:21:59,079 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 280 transitions. Word has length 47 [2021-12-21 10:21:59,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:21:59,080 INFO L470 AbstractCegarLoop]: Abstraction has 175 states and 280 transitions. [2021-12-21 10:21:59,080 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) [2021-12-21 10:21:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2021-12-21 10:21:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-21 10:21:59,086 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:21:59,086 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] [2021-12-21 10:21:59,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 10:21:59,087 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:21:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:21:59,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1376830255, now seen corresponding path program 1 times [2021-12-21 10:21:59,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:21:59,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775618378] [2021-12-21 10:21:59,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:21:59,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:21:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:21:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:21:59,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:21:59,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775618378] [2021-12-21 10:21:59,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775618378] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:21:59,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:21:59,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:21:59,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689165798] [2021-12-21 10:21:59,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:21:59,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:21:59,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:21:59,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:21:59,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:21:59,316 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) [2021-12-21 10:22:01,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:01,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:01,239 INFO L93 Difference]: Finished difference Result 368 states and 587 transitions. [2021-12-21 10:22:01,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:01,240 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 [2021-12-21 10:22:01,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:01,241 INFO L225 Difference]: With dead ends: 368 [2021-12-21 10:22:01,241 INFO L226 Difference]: Without dead ends: 203 [2021-12-21 10:22:01,242 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 [2021-12-21 10:22:01,242 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 22 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:01,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 439 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 10:22:01,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-21 10:22:01,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-21 10:22:01,249 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) [2021-12-21 10:22:01,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 299 transitions. [2021-12-21 10:22:01,250 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 299 transitions. Word has length 48 [2021-12-21 10:22:01,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:01,251 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 299 transitions. [2021-12-21 10:22:01,251 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) [2021-12-21 10:22:01,251 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 299 transitions. [2021-12-21 10:22:01,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-12-21 10:22:01,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:01,252 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] [2021-12-21 10:22:01,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 10:22:01,253 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:01,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:01,253 INFO L85 PathProgramCache]: Analyzing trace with hash 2069426656, now seen corresponding path program 1 times [2021-12-21 10:22:01,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:01,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584629252] [2021-12-21 10:22:01,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:01,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:01,355 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:01,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584629252] [2021-12-21 10:22:01,356 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584629252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:01,356 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:01,356 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:01,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815128257] [2021-12-21 10:22:01,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:01,357 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:01,357 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:01,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:01,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:01,358 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) [2021-12-21 10:22:03,367 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:03,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:03,560 INFO L93 Difference]: Finished difference Result 368 states and 586 transitions. [2021-12-21 10:22:03,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:03,561 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 [2021-12-21 10:22:03,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:03,562 INFO L225 Difference]: With dead ends: 368 [2021-12-21 10:22:03,562 INFO L226 Difference]: Without dead ends: 203 [2021-12-21 10:22:03,563 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 [2021-12-21 10:22:03,564 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 24 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:03,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 441 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:03,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2021-12-21 10:22:03,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 186. [2021-12-21 10:22:03,576 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) [2021-12-21 10:22:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 298 transitions. [2021-12-21 10:22:03,577 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 298 transitions. Word has length 61 [2021-12-21 10:22:03,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:03,577 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 298 transitions. [2021-12-21 10:22:03,577 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) [2021-12-21 10:22:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 298 transitions. [2021-12-21 10:22:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-21 10:22:03,580 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:03,580 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] [2021-12-21 10:22:03,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 10:22:03,581 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:03,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:03,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2105609775, now seen corresponding path program 1 times [2021-12-21 10:22:03,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:03,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104466683] [2021-12-21 10:22:03,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:03,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:03,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:03,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:03,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104466683] [2021-12-21 10:22:03,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104466683] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:03,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:03,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:03,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316178709] [2021-12-21 10:22:03,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:03,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:03,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:03,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:03,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:03,699 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) [2021-12-21 10:22:05,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:05,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:05,908 INFO L93 Difference]: Finished difference Result 367 states and 584 transitions. [2021-12-21 10:22:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:05,908 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 [2021-12-21 10:22:05,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:05,909 INFO L225 Difference]: With dead ends: 367 [2021-12-21 10:22:05,909 INFO L226 Difference]: Without dead ends: 202 [2021-12-21 10:22:05,909 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 [2021-12-21 10:22:05,910 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 28 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:05,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:05,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-21 10:22:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 186. [2021-12-21 10:22:05,915 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) [2021-12-21 10:22:05,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 297 transitions. [2021-12-21 10:22:05,915 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 297 transitions. Word has length 62 [2021-12-21 10:22:05,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:05,916 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 297 transitions. [2021-12-21 10:22:05,916 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) [2021-12-21 10:22:05,916 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 297 transitions. [2021-12-21 10:22:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-21 10:22:05,916 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:05,916 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] [2021-12-21 10:22:05,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 10:22:05,917 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:05,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:05,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1980827365, now seen corresponding path program 1 times [2021-12-21 10:22:05,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:05,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139655717] [2021-12-21 10:22:05,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:05,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:06,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:06,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139655717] [2021-12-21 10:22:06,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139655717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:06,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:06,008 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:06,008 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976555771] [2021-12-21 10:22:06,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:06,009 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:06,010 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:06,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:06,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:06,010 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) [2021-12-21 10:22:08,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:08,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:08,192 INFO L93 Difference]: Finished difference Result 367 states and 583 transitions. [2021-12-21 10:22:08,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:08,193 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 [2021-12-21 10:22:08,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:08,194 INFO L225 Difference]: With dead ends: 367 [2021-12-21 10:22:08,194 INFO L226 Difference]: Without dead ends: 202 [2021-12-21 10:22:08,194 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 [2021-12-21 10:22:08,195 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 26 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:08,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 443 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:08,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2021-12-21 10:22:08,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 186. [2021-12-21 10:22:08,203 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) [2021-12-21 10:22:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 296 transitions. [2021-12-21 10:22:08,203 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 296 transitions. Word has length 62 [2021-12-21 10:22:08,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:08,203 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 296 transitions. [2021-12-21 10:22:08,204 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) [2021-12-21 10:22:08,204 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 296 transitions. [2021-12-21 10:22:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-21 10:22:08,204 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:08,204 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] [2021-12-21 10:22:08,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 10:22:08,205 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:08,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:08,205 INFO L85 PathProgramCache]: Analyzing trace with hash 159955684, now seen corresponding path program 1 times [2021-12-21 10:22:08,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:08,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770144409] [2021-12-21 10:22:08,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:08,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:08,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:08,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770144409] [2021-12-21 10:22:08,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770144409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:08,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:08,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:08,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997686954] [2021-12-21 10:22:08,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:08,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:08,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:08,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:08,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:08,307 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) [2021-12-21 10:22:10,001 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 [] [2021-12-21 10:22:10,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:10,171 INFO L93 Difference]: Finished difference Result 366 states and 581 transitions. [2021-12-21 10:22:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:10,172 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 [2021-12-21 10:22:10,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:10,173 INFO L225 Difference]: With dead ends: 366 [2021-12-21 10:22:10,173 INFO L226 Difference]: Without dead ends: 201 [2021-12-21 10:22:10,173 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 [2021-12-21 10:22:10,174 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 19 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:10,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 445 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 10:22:10,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2021-12-21 10:22:10,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 186. [2021-12-21 10:22:10,178 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) [2021-12-21 10:22:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 295 transitions. [2021-12-21 10:22:10,178 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 295 transitions. Word has length 62 [2021-12-21 10:22:10,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:10,178 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 295 transitions. [2021-12-21 10:22:10,178 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) [2021-12-21 10:22:10,179 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 295 transitions. [2021-12-21 10:22:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-21 10:22:10,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:10,182 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] [2021-12-21 10:22:10,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-21 10:22:10,182 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:10,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:10,183 INFO L85 PathProgramCache]: Analyzing trace with hash 794933796, now seen corresponding path program 1 times [2021-12-21 10:22:10,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:10,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526975285] [2021-12-21 10:22:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:10,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:10,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:10,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526975285] [2021-12-21 10:22:10,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526975285] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:10,281 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:10,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:10,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91622] [2021-12-21 10:22:10,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:10,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:10,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:10,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:10,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:10,282 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) [2021-12-21 10:22:12,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:12,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:12,456 INFO L93 Difference]: Finished difference Result 364 states and 578 transitions. [2021-12-21 10:22:12,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:12,456 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 [2021-12-21 10:22:12,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:12,457 INFO L225 Difference]: With dead ends: 364 [2021-12-21 10:22:12,457 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 10:22:12,458 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 [2021-12-21 10:22:12,458 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 [2021-12-21 10:22:12,458 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] [2021-12-21 10:22:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 10:22:12,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2021-12-21 10:22:12,462 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) [2021-12-21 10:22:12,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 294 transitions. [2021-12-21 10:22:12,462 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 294 transitions. Word has length 62 [2021-12-21 10:22:12,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:12,462 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 294 transitions. [2021-12-21 10:22:12,463 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) [2021-12-21 10:22:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 294 transitions. [2021-12-21 10:22:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-21 10:22:12,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:12,463 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] [2021-12-21 10:22:12,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-21 10:22:12,463 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:12,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:12,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1302432407, now seen corresponding path program 1 times [2021-12-21 10:22:12,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:12,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974185975] [2021-12-21 10:22:12,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:12,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:12,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:12,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974185975] [2021-12-21 10:22:12,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974185975] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:12,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:12,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:12,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046513695] [2021-12-21 10:22:12,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:12,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:12,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:12,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:12,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:12,530 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) [2021-12-21 10:22:14,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:14,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:14,695 INFO L93 Difference]: Finished difference Result 364 states and 577 transitions. [2021-12-21 10:22:14,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:14,696 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 [2021-12-21 10:22:14,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:14,697 INFO L225 Difference]: With dead ends: 364 [2021-12-21 10:22:14,697 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 10:22:14,697 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 [2021-12-21 10:22:14,698 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 22 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 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 [2021-12-21 10:22:14,698 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:14,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 10:22:14,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2021-12-21 10:22:14,722 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) [2021-12-21 10:22:14,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 293 transitions. [2021-12-21 10:22:14,722 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 293 transitions. Word has length 63 [2021-12-21 10:22:14,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:14,723 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 293 transitions. [2021-12-21 10:22:14,723 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) [2021-12-21 10:22:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 293 transitions. [2021-12-21 10:22:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-12-21 10:22:14,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:14,724 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] [2021-12-21 10:22:14,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-21 10:22:14,724 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:14,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:14,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1198430410, now seen corresponding path program 1 times [2021-12-21 10:22:14,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:14,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019973020] [2021-12-21 10:22:14,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:14,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:14,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:14,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:14,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019973020] [2021-12-21 10:22:14,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019973020] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:14,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:14,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:14,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671228413] [2021-12-21 10:22:14,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:14,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:14,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:14,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:14,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:14,819 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) [2021-12-21 10:22:16,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:16,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:16,635 INFO L93 Difference]: Finished difference Result 364 states and 576 transitions. [2021-12-21 10:22:16,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:16,635 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 [2021-12-21 10:22:16,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:16,636 INFO L225 Difference]: With dead ends: 364 [2021-12-21 10:22:16,636 INFO L226 Difference]: Without dead ends: 199 [2021-12-21 10:22:16,637 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 [2021-12-21 10:22:16,637 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 20 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 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, 1.8s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:16,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 449 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-21 10:22:16,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-12-21 10:22:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2021-12-21 10:22:16,643 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) [2021-12-21 10:22:16,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 292 transitions. [2021-12-21 10:22:16,644 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 292 transitions. Word has length 64 [2021-12-21 10:22:16,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:16,644 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 292 transitions. [2021-12-21 10:22:16,644 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) [2021-12-21 10:22:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 292 transitions. [2021-12-21 10:22:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-21 10:22:16,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:16,645 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] [2021-12-21 10:22:16,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-21 10:22:16,645 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:16,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:16,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1676500242, now seen corresponding path program 1 times [2021-12-21 10:22:16,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:16,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953684781] [2021-12-21 10:22:16,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:16,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:16,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:16,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:16,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953684781] [2021-12-21 10:22:16,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953684781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:16,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:16,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:16,718 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83262383] [2021-12-21 10:22:16,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:16,718 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:16,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:16,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:16,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:16,719 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) [2021-12-21 10:22:18,724 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 [] [2021-12-21 10:22:18,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:18,958 INFO L93 Difference]: Finished difference Result 354 states and 562 transitions. [2021-12-21 10:22:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:18,959 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 [2021-12-21 10:22:18,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:18,960 INFO L225 Difference]: With dead ends: 354 [2021-12-21 10:22:18,960 INFO L226 Difference]: Without dead ends: 189 [2021-12-21 10:22:18,960 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 [2021-12-21 10:22:18,961 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 11 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:18,961 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 463 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:18,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-12-21 10:22:18,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 186. [2021-12-21 10:22:18,965 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) [2021-12-21 10:22:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 291 transitions. [2021-12-21 10:22:18,966 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 291 transitions. Word has length 65 [2021-12-21 10:22:18,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:18,966 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 291 transitions. [2021-12-21 10:22:18,966 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) [2021-12-21 10:22:18,966 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 291 transitions. [2021-12-21 10:22:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-12-21 10:22:18,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:18,967 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] [2021-12-21 10:22:18,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-21 10:22:18,968 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:18,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:18,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1196291754, now seen corresponding path program 1 times [2021-12-21 10:22:18,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:18,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78618050] [2021-12-21 10:22:18,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:18,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:19,064 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:19,064 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:19,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78618050] [2021-12-21 10:22:19,064 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78618050] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:19,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:19,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:19,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861673070] [2021-12-21 10:22:19,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:19,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:19,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:19,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:19,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:19,067 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) [2021-12-21 10:22:21,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:21,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:21,439 INFO L93 Difference]: Finished difference Result 465 states and 733 transitions. [2021-12-21 10:22:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:21,440 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 [2021-12-21 10:22:21,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:21,441 INFO L225 Difference]: With dead ends: 465 [2021-12-21 10:22:21,441 INFO L226 Difference]: Without dead ends: 298 [2021-12-21 10:22:21,441 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 [2021-12-21 10:22:21,442 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 111 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:21,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 312 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 261 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2021-12-21 10:22:21,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2021-12-21 10:22:21,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 228. [2021-12-21 10:22:21,446 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) [2021-12-21 10:22:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 369 transitions. [2021-12-21 10:22:21,446 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 369 transitions. Word has length 65 [2021-12-21 10:22:21,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:21,446 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 369 transitions. [2021-12-21 10:22:21,446 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) [2021-12-21 10:22:21,446 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 369 transitions. [2021-12-21 10:22:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-12-21 10:22:21,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:21,449 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] [2021-12-21 10:22:21,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-21 10:22:21,450 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:21,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:21,450 INFO L85 PathProgramCache]: Analyzing trace with hash -103652171, now seen corresponding path program 1 times [2021-12-21 10:22:21,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:21,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479609983] [2021-12-21 10:22:21,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:21,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:21,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:21,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479609983] [2021-12-21 10:22:21,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479609983] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:21,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:21,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:21,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279639050] [2021-12-21 10:22:21,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:21,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:21,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:21,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:21,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:21,590 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) [2021-12-21 10:22:23,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:23,871 INFO L93 Difference]: Finished difference Result 544 states and 881 transitions. [2021-12-21 10:22:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:23,871 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 [2021-12-21 10:22:23,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:23,872 INFO L225 Difference]: With dead ends: 544 [2021-12-21 10:22:23,872 INFO L226 Difference]: Without dead ends: 337 [2021-12-21 10:22:23,873 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 [2021-12-21 10:22:23,873 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 119 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 49 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:23,873 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 314 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 254 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-21 10:22:23,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2021-12-21 10:22:23,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 260. [2021-12-21 10:22:23,877 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) [2021-12-21 10:22:23,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 426 transitions. [2021-12-21 10:22:23,877 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 426 transitions. Word has length 93 [2021-12-21 10:22:23,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:23,878 INFO L470 AbstractCegarLoop]: Abstraction has 260 states and 426 transitions. [2021-12-21 10:22:23,878 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) [2021-12-21 10:22:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 426 transitions. [2021-12-21 10:22:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-12-21 10:22:23,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:23,878 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] [2021-12-21 10:22:23,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-21 10:22:23,879 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:23,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:23,880 INFO L85 PathProgramCache]: Analyzing trace with hash -430845807, now seen corresponding path program 1 times [2021-12-21 10:22:23,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:23,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174668576] [2021-12-21 10:22:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:23,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 10:22:23,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:23,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174668576] [2021-12-21 10:22:23,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174668576] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:23,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:23,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:23,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234602028] [2021-12-21 10:22:23,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:23,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:23,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:23,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:23,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:23,955 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) [2021-12-21 10:22:25,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:26,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:26,271 INFO L93 Difference]: Finished difference Result 613 states and 1000 transitions. [2021-12-21 10:22:26,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:26,271 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 [2021-12-21 10:22:26,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:26,272 INFO L225 Difference]: With dead ends: 613 [2021-12-21 10:22:26,272 INFO L226 Difference]: Without dead ends: 374 [2021-12-21 10:22:26,273 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 [2021-12-21 10:22:26,273 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 111 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 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 [2021-12-21 10:22:26,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 318 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-21 10:22:26,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2021-12-21 10:22:26,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 303. [2021-12-21 10:22:26,278 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) [2021-12-21 10:22:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 502 transitions. [2021-12-21 10:22:26,278 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 502 transitions. Word has length 105 [2021-12-21 10:22:26,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:26,279 INFO L470 AbstractCegarLoop]: Abstraction has 303 states and 502 transitions. [2021-12-21 10:22:26,279 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) [2021-12-21 10:22:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 502 transitions. [2021-12-21 10:22:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-21 10:22:26,281 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:26,281 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] [2021-12-21 10:22:26,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-21 10:22:26,281 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:26,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash 827966928, now seen corresponding path program 1 times [2021-12-21 10:22:26,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:26,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039702561] [2021-12-21 10:22:26,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:26,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-21 10:22:26,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:26,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039702561] [2021-12-21 10:22:26,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039702561] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:26,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:26,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:26,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877384038] [2021-12-21 10:22:26,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:26,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:26,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:26,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:26,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:26,360 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) [2021-12-21 10:22:27,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:27,558 INFO L93 Difference]: Finished difference Result 697 states and 1149 transitions. [2021-12-21 10:22:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:27,559 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 [2021-12-21 10:22:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:27,560 INFO L225 Difference]: With dead ends: 697 [2021-12-21 10:22:27,560 INFO L226 Difference]: Without dead ends: 415 [2021-12-21 10:22:27,561 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 [2021-12-21 10:22:27,561 INFO L933 BasicCegarLoop]: 106 mSDtfsCounter, 136 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 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, 1.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:27,561 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 302 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-21 10:22:27,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2021-12-21 10:22:27,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 319. [2021-12-21 10:22:27,567 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) [2021-12-21 10:22:27,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 525 transitions. [2021-12-21 10:22:27,568 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 525 transitions. Word has length 106 [2021-12-21 10:22:27,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:27,568 INFO L470 AbstractCegarLoop]: Abstraction has 319 states and 525 transitions. [2021-12-21 10:22:27,568 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) [2021-12-21 10:22:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 525 transitions. [2021-12-21 10:22:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-21 10:22:27,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:27,569 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] [2021-12-21 10:22:27,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-21 10:22:27,570 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:27,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:27,570 INFO L85 PathProgramCache]: Analyzing trace with hash -421532676, now seen corresponding path program 1 times [2021-12-21 10:22:27,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:27,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714719032] [2021-12-21 10:22:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:27,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:27,676 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-21 10:22:27,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:27,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714719032] [2021-12-21 10:22:27,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714719032] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:27,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:27,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:27,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628472976] [2021-12-21 10:22:27,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:27,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:27,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:27,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:27,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:27,678 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) [2021-12-21 10:22:29,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:29,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:29,880 INFO L93 Difference]: Finished difference Result 660 states and 1090 transitions. [2021-12-21 10:22:29,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:29,880 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 [2021-12-21 10:22:29,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:29,881 INFO L225 Difference]: With dead ends: 660 [2021-12-21 10:22:29,881 INFO L226 Difference]: Without dead ends: 362 [2021-12-21 10:22:29,882 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 [2021-12-21 10:22:29,882 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 33 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:29,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 461 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:29,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-12-21 10:22:29,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 341. [2021-12-21 10:22:29,887 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) [2021-12-21 10:22:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 562 transitions. [2021-12-21 10:22:29,888 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 562 transitions. Word has length 106 [2021-12-21 10:22:29,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:29,888 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 562 transitions. [2021-12-21 10:22:29,888 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) [2021-12-21 10:22:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 562 transitions. [2021-12-21 10:22:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-21 10:22:29,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:29,889 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] [2021-12-21 10:22:29,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-21 10:22:29,889 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:29,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:29,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1425787158, now seen corresponding path program 1 times [2021-12-21 10:22:29,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:29,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613973847] [2021-12-21 10:22:29,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:29,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:29,968 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-21 10:22:29,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:29,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613973847] [2021-12-21 10:22:29,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613973847] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:29,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:29,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:29,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278405508] [2021-12-21 10:22:29,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:29,970 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:29,971 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:29,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:29,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:29,971 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) [2021-12-21 10:22:31,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:32,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:32,206 INFO L93 Difference]: Finished difference Result 731 states and 1193 transitions. [2021-12-21 10:22:32,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:32,207 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 [2021-12-21 10:22:32,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:32,208 INFO L225 Difference]: With dead ends: 731 [2021-12-21 10:22:32,208 INFO L226 Difference]: Without dead ends: 411 [2021-12-21 10:22:32,209 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 [2021-12-21 10:22:32,209 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 135 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 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, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:32,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 316 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:32,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2021-12-21 10:22:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 341. [2021-12-21 10:22:32,214 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) [2021-12-21 10:22:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 557 transitions. [2021-12-21 10:22:32,216 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 557 transitions. Word has length 107 [2021-12-21 10:22:32,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:32,216 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 557 transitions. [2021-12-21 10:22:32,216 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) [2021-12-21 10:22:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 557 transitions. [2021-12-21 10:22:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-21 10:22:32,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:32,218 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] [2021-12-21 10:22:32,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-21 10:22:32,218 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:32,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:32,218 INFO L85 PathProgramCache]: Analyzing trace with hash -778017264, now seen corresponding path program 1 times [2021-12-21 10:22:32,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:32,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474172051] [2021-12-21 10:22:32,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:32,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-21 10:22:32,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:32,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474172051] [2021-12-21 10:22:32,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474172051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:32,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:32,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:32,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419774372] [2021-12-21 10:22:32,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:32,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:32,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:32,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:32,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:32,290 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) [2021-12-21 10:22:33,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:33,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:33,693 INFO L93 Difference]: Finished difference Result 730 states and 1182 transitions. [2021-12-21 10:22:33,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:33,693 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 [2021-12-21 10:22:33,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:33,694 INFO L225 Difference]: With dead ends: 730 [2021-12-21 10:22:33,694 INFO L226 Difference]: Without dead ends: 410 [2021-12-21 10:22:33,695 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 [2021-12-21 10:22:33,695 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 140 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 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, 1.4s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:33,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [140 Valid, 318 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-21 10:22:33,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-21 10:22:33,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-21 10:22:33,712 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) [2021-12-21 10:22:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 551 transitions. [2021-12-21 10:22:33,713 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 551 transitions. Word has length 120 [2021-12-21 10:22:33,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:33,713 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 551 transitions. [2021-12-21 10:22:33,713 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) [2021-12-21 10:22:33,713 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 551 transitions. [2021-12-21 10:22:33,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-21 10:22:33,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:33,714 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] [2021-12-21 10:22:33,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-21 10:22:33,715 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:33,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:33,715 INFO L85 PathProgramCache]: Analyzing trace with hash 934196388, now seen corresponding path program 1 times [2021-12-21 10:22:33,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:33,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633703468] [2021-12-21 10:22:33,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:33,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:33,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-21 10:22:33,788 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:33,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633703468] [2021-12-21 10:22:33,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633703468] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:33,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:33,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:33,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519995739] [2021-12-21 10:22:33,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:33,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:33,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:33,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:33,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:33,790 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) [2021-12-21 10:22:35,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:35,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:35,795 INFO L93 Difference]: Finished difference Result 730 states and 1170 transitions. [2021-12-21 10:22:35,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:35,795 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 [2021-12-21 10:22:35,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:35,797 INFO L225 Difference]: With dead ends: 730 [2021-12-21 10:22:35,797 INFO L226 Difference]: Without dead ends: 410 [2021-12-21 10:22:35,798 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 [2021-12-21 10:22:35,798 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 138 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:35,798 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 304 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-21 10:22:35,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-21 10:22:35,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-21 10:22:35,806 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) [2021-12-21 10:22:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 545 transitions. [2021-12-21 10:22:35,807 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 545 transitions. Word has length 120 [2021-12-21 10:22:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:35,809 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 545 transitions. [2021-12-21 10:22:35,809 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) [2021-12-21 10:22:35,809 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 545 transitions. [2021-12-21 10:22:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-12-21 10:22:35,810 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:35,810 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] [2021-12-21 10:22:35,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-21 10:22:35,810 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:35,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:35,811 INFO L85 PathProgramCache]: Analyzing trace with hash 691990311, now seen corresponding path program 1 times [2021-12-21 10:22:35,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:35,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991108507] [2021-12-21 10:22:35,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:35,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-12-21 10:22:35,918 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:35,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991108507] [2021-12-21 10:22:35,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991108507] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:35,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:35,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:35,919 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607990307] [2021-12-21 10:22:35,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:35,920 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:35,920 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:35,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:35,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:35,921 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) [2021-12-21 10:22:37,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:38,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:38,123 INFO L93 Difference]: Finished difference Result 678 states and 1088 transitions. [2021-12-21 10:22:38,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:38,123 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 [2021-12-21 10:22:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:38,124 INFO L225 Difference]: With dead ends: 678 [2021-12-21 10:22:38,124 INFO L226 Difference]: Without dead ends: 358 [2021-12-21 10:22:38,125 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 [2021-12-21 10:22:38,125 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 33 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:38,126 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 158 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2021-12-21 10:22:38,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-21 10:22:38,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 341. [2021-12-21 10:22:38,130 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) [2021-12-21 10:22:38,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 544 transitions. [2021-12-21 10:22:38,132 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 544 transitions. Word has length 120 [2021-12-21 10:22:38,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:38,132 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 544 transitions. [2021-12-21 10:22:38,132 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) [2021-12-21 10:22:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 544 transitions. [2021-12-21 10:22:38,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-21 10:22:38,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:38,133 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] [2021-12-21 10:22:38,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-21 10:22:38,134 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:38,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:38,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1061009666, now seen corresponding path program 1 times [2021-12-21 10:22:38,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:38,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809449516] [2021-12-21 10:22:38,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:38,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:38,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:38,264 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-21 10:22:38,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:38,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809449516] [2021-12-21 10:22:38,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809449516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:38,265 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:38,265 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:38,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799118438] [2021-12-21 10:22:38,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:38,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:38,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:38,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:38,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:38,266 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) [2021-12-21 10:22:40,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:40,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:40,215 INFO L93 Difference]: Finished difference Result 678 states and 1086 transitions. [2021-12-21 10:22:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:40,248 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 [2021-12-21 10:22:40,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:40,249 INFO L225 Difference]: With dead ends: 678 [2021-12-21 10:22:40,249 INFO L226 Difference]: Without dead ends: 358 [2021-12-21 10:22:40,250 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 [2021-12-21 10:22:40,250 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 37 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s 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, 1.9s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:40,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 469 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-21 10:22:40,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2021-12-21 10:22:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 341. [2021-12-21 10:22:40,255 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) [2021-12-21 10:22:40,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 543 transitions. [2021-12-21 10:22:40,255 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 543 transitions. Word has length 121 [2021-12-21 10:22:40,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:40,256 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 543 transitions. [2021-12-21 10:22:40,256 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) [2021-12-21 10:22:40,256 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 543 transitions. [2021-12-21 10:22:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-12-21 10:22:40,257 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:40,257 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] [2021-12-21 10:22:40,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-21 10:22:40,257 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:40,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash 955624361, now seen corresponding path program 1 times [2021-12-21 10:22:40,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:40,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067732408] [2021-12-21 10:22:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:40,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:40,345 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-21 10:22:40,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:40,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067732408] [2021-12-21 10:22:40,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067732408] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:40,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:40,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:40,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298715327] [2021-12-21 10:22:40,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:40,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:40,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:40,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:40,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:40,349 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) [2021-12-21 10:22:42,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:42,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:42,631 INFO L93 Difference]: Finished difference Result 730 states and 1154 transitions. [2021-12-21 10:22:42,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:42,631 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 [2021-12-21 10:22:42,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:42,633 INFO L225 Difference]: With dead ends: 730 [2021-12-21 10:22:42,633 INFO L226 Difference]: Without dead ends: 410 [2021-12-21 10:22:42,633 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 [2021-12-21 10:22:42,634 INFO L933 BasicCegarLoop]: 114 mSDtfsCounter, 135 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:42,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 318 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 257 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2021-12-21 10:22:42,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-12-21 10:22:42,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 341. [2021-12-21 10:22:42,642 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) [2021-12-21 10:22:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 537 transitions. [2021-12-21 10:22:42,643 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 537 transitions. Word has length 122 [2021-12-21 10:22:42,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:42,643 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 537 transitions. [2021-12-21 10:22:42,643 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) [2021-12-21 10:22:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 537 transitions. [2021-12-21 10:22:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-12-21 10:22:42,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:42,644 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] [2021-12-21 10:22:42,644 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-21 10:22:42,644 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:42,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:42,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1509717981, now seen corresponding path program 1 times [2021-12-21 10:22:42,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:42,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566277735] [2021-12-21 10:22:42,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:42,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-12-21 10:22:42,742 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:42,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566277735] [2021-12-21 10:22:42,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566277735] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:42,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:42,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 10:22:42,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264802387] [2021-12-21 10:22:42,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:42,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 10:22:42,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:42,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 10:22:42,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 10:22:42,744 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) [2021-12-21 10:22:43,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:43,990 INFO L93 Difference]: Finished difference Result 668 states and 1059 transitions. [2021-12-21 10:22:43,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 10:22:43,992 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 [2021-12-21 10:22:43,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:43,994 INFO L225 Difference]: With dead ends: 668 [2021-12-21 10:22:43,994 INFO L226 Difference]: Without dead ends: 348 [2021-12-21 10:22:43,994 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 [2021-12-21 10:22:43,994 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 26 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:43,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 483 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-21 10:22:43,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2021-12-21 10:22:43,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 341. [2021-12-21 10:22:44,000 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) [2021-12-21 10:22:44,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 536 transitions. [2021-12-21 10:22:44,001 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 536 transitions. Word has length 123 [2021-12-21 10:22:44,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:44,001 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 536 transitions. [2021-12-21 10:22:44,001 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) [2021-12-21 10:22:44,002 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 536 transitions. [2021-12-21 10:22:44,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-21 10:22:44,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:44,003 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] [2021-12-21 10:22:44,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-21 10:22:44,003 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:44,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:44,004 INFO L85 PathProgramCache]: Analyzing trace with hash 42738551, now seen corresponding path program 1 times [2021-12-21 10:22:44,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:44,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106272087] [2021-12-21 10:22:44,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:44,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 10:22:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-21 10:22:44,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 10:22:44,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106272087] [2021-12-21 10:22:44,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106272087] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 10:22:44,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 10:22:44,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 10:22:44,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329213255] [2021-12-21 10:22:44,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 10:22:44,373 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 10:22:44,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 10:22:44,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 10:22:44,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 10:22:44,374 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) [2021-12-21 10:22:46,382 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 [] [2021-12-21 10:22:48,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 10:22:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 10:22:48,644 INFO L93 Difference]: Finished difference Result 679 states and 1068 transitions. [2021-12-21 10:22:48,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-21 10:22:48,644 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 [2021-12-21 10:22:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 10:22:48,645 INFO L225 Difference]: With dead ends: 679 [2021-12-21 10:22:48,650 INFO L226 Difference]: Without dead ends: 341 [2021-12-21 10:22:48,651 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 [2021-12-21 10:22:48,658 INFO L933 BasicCegarLoop]: 196 mSDtfsCounter, 7 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-21 10:22:48,659 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 631 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2021-12-21 10:22:48,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-12-21 10:22:48,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2021-12-21 10:22:48,663 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) [2021-12-21 10:22:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 535 transitions. [2021-12-21 10:22:48,664 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 535 transitions. Word has length 127 [2021-12-21 10:22:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 10:22:48,664 INFO L470 AbstractCegarLoop]: Abstraction has 341 states and 535 transitions. [2021-12-21 10:22:48,664 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) [2021-12-21 10:22:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 535 transitions. [2021-12-21 10:22:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-21 10:22:48,665 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:22:48,666 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] [2021-12-21 10:22:48,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-21 10:22:48,666 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:22:48,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:22:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash -663858055, now seen corresponding path program 1 times [2021-12-21 10:22:48,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 10:22:48,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725146047] [2021-12-21 10:22:48,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:22:48,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 10:22:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:22:49,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 10:22:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 10:22:49,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 10:22:49,344 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 10:22:49,345 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 10:22:49,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-21 10:22:49,349 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] [2021-12-21 10:22:49,351 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 10:22:49,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 10:22:49 BoogieIcfgContainer [2021-12-21 10:22:49,467 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 10:22:49,468 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 10:22:49,468 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 10:22:49,468 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 10:22:49,468 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:21:55" (3/4) ... [2021-12-21 10:22:49,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 10:22:49,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 10:22:49,471 INFO L158 Benchmark]: Toolchain (without parser) took 56959.15ms. Allocated memory was 98.6MB in the beginning and 148.9MB in the end (delta: 50.3MB). Free memory was 68.2MB in the beginning and 91.0MB in the end (delta: -22.8MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2021-12-21 10:22:49,471 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:22:49,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.27ms. Allocated memory is still 98.6MB. Free memory was 68.0MB in the beginning and 55.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 10:22:49,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.22ms. Allocated memory is still 98.6MB. Free memory was 54.6MB in the beginning and 50.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 10:22:49,472 INFO L158 Benchmark]: Boogie Preprocessor took 81.69ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 94.6MB in the end (delta: -44.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-12-21 10:22:49,473 INFO L158 Benchmark]: RCFGBuilder took 2744.29ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 67.8MB in the end (delta: 26.7MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2021-12-21 10:22:49,474 INFO L158 Benchmark]: TraceAbstraction took 53584.31ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 67.4MB in the beginning and 92.1MB in the end (delta: -24.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2021-12-21 10:22:49,474 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 91.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 10:22:49,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 98.6MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.27ms. Allocated memory is still 98.6MB. Free memory was 68.0MB in the beginning and 55.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.22ms. Allocated memory is still 98.6MB. Free memory was 54.6MB in the beginning and 50.1MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.69ms. Allocated memory was 98.6MB in the beginning and 123.7MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 94.6MB in the end (delta: -44.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * RCFGBuilder took 2744.29ms. Allocated memory is still 123.7MB. Free memory was 94.6MB in the beginning and 67.8MB in the end (delta: 26.7MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * TraceAbstraction took 53584.31ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 67.4MB in the beginning and 92.1MB in the end (delta: -24.7MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 148.9MB. Free memory was 92.1MB in the beginning and 91.0MB in the end (delta: 1.0MB). 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: 1734]: 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] [L1693] EXPR s->s3 [L1693] 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] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] 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] [L1693] EXPR s->s3 [L1693] 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] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] 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 [L1586] EXPR s->session [L1586] EXPR s->s3 [L1586] EXPR (s->s3)->tmp.new_cipher [L1586] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1587] COND FALSE !(! tmp___9) [L1593] ret = __VERIFIER_nondet_int() [L1594] COND TRUE blastFlag == 2 [L1595] blastFlag = 3 VAL [={0:5}, blastFlag=3, 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] [L1599] COND FALSE !(ret <= 0) [L1604] s->state = 8672 [L1605] s->init_num = 0 VAL [={0:5}, blastFlag=3, 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] [L1606] COND FALSE !(! tmp___10) VAL [={0:5}, blastFlag=3, 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] [L1693] EXPR s->s3 [L1693] EXPR (s->s3)->tmp.reuse_message VAL [={0:5}, (s->s3)->tmp.reuse_message=4294967331, blastFlag=3, 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] [L1693] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1722] skip = 0 VAL [={0:5}, blastFlag=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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=3, 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 [L1615] ret = __VERIFIER_nondet_int() [L1616] COND TRUE blastFlag == 3 VAL [={0:5}, blastFlag=3, 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] [L1734] reach_error() VAL [={0:5}, blastFlag=3, 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: 53.4s, OverallIterations: 24, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 49.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 1494 SdHoareTripleChecker+Valid, 48.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1494 mSDsluCounter, 9447 SdHoareTripleChecker+Invalid, 47.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5867 mSDsCounter, 615 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4424 IncrementalHoareTripleChecker+Invalid, 5054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 615 mSolverCounterUnsat, 3580 mSDtfsCounter, 4424 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 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, 847 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.4s 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 [2021-12-21 10:22:49,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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.03.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 c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 10:22:51,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 10:22:51,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 10:22:51,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 10:22:51,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 10:22:51,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 10:22:51,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 10:22:51,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 10:22:51,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 10:22:51,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 10:22:51,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 10:22:51,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 10:22:51,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 10:22:51,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 10:22:51,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 10:22:51,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 10:22:51,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 10:22:51,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 10:22:51,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 10:22:51,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 10:22:51,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 10:22:51,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 10:22:51,378 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 10:22:51,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 10:22:51,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 10:22:51,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 10:22:51,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 10:22:51,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 10:22:51,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 10:22:51,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 10:22:51,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 10:22:51,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 10:22:51,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 10:22:51,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 10:22:51,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 10:22:51,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 10:22:51,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 10:22:51,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 10:22:51,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 10:22:51,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 10:22:51,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 10:22:51,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 10:22:51,421 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 10:22:51,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 10:22:51,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 10:22:51,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 10:22:51,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 10:22:51,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 10:22:51,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 10:22:51,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 10:22:51,424 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 10:22:51,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 10:22:51,425 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 10:22:51,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 10:22:51,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 10:22:51,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 10:22:51,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 10:22:51,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 10:22:51,426 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 10:22:51,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 10:22:51,426 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 10:22:51,426 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 10:22:51,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 10:22:51,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 10:22:51,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 10:22:51,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 10:22:51,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 10:22:51,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 10:22:51,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:22:51,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 10:22:51,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 10:22:51,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 10:22:51,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 10:22:51,435 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3fe517c51c5e8fb31577c2325f977891c14909f163a953939dc0a15f16ec6d9 [2021-12-21 10:22:51,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 10:22:51,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 10:22:51,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 10:22:51,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 10:22:51,691 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 10:22:51,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-12-21 10:22:51,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc64a9c8/54398664cbf4418dbb1f6e24a724bcf6/FLAG247e3ed14 [2021-12-21 10:22:52,183 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 10:22:52,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2021-12-21 10:22:52,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc64a9c8/54398664cbf4418dbb1f6e24a724bcf6/FLAG247e3ed14 [2021-12-21 10:22:52,206 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abc64a9c8/54398664cbf4418dbb1f6e24a724bcf6 [2021-12-21 10:22:52,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 10:22:52,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 10:22:52,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 10:22:52,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 10:22:52,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 10:22:52,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f984920 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52, skipping insertion in model container [2021-12-21 10:22:52,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 10:22:52,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:22:52,583 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.03.i.cil.c[72493,72506] [2021-12-21 10:22:52,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:22:52,603 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-21 10:22:52,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 10:22:52,666 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.03.i.cil.c[72493,72506] [2021-12-21 10:22:52,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:22:52,674 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 10:22:52,729 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.03.i.cil.c[72493,72506] [2021-12-21 10:22:52,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 10:22:52,742 INFO L208 MainTranslator]: Completed translation [2021-12-21 10:22:52,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52 WrapperNode [2021-12-21 10:22:52,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 10:22:52,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 10:22:52,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 10:22:52,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 10:22:52,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,800 INFO L137 Inliner]: procedures = 35, calls = 223, calls flagged for inlining = 7, calls inlined = 3, statements flattened = 752 [2021-12-21 10:22:52,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 10:22:52,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 10:22:52,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 10:22:52,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 10:22:52,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 10:22:52,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 10:22:52,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 10:22:52,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 10:22:52,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (1/1) ... [2021-12-21 10:22:52,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 10:22:52,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 10:22:52,923 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) [2021-12-21 10:22:52,949 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 [2021-12-21 10:22:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 10:22:52,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 10:22:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 10:22:53,092 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 10:22:53,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 10:22:53,105 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 10:23:00,645 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-21 10:23:00,645 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-21 10:23:00,645 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 10:23:00,653 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 10:23:00,653 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 10:23:00,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:23:00 BoogieIcfgContainer [2021-12-21 10:23:00,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 10:23:00,657 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 10:23:00,657 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 10:23:00,659 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 10:23:00,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 10:22:52" (1/3) ... [2021-12-21 10:23:00,659 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e41d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:23:00, skipping insertion in model container [2021-12-21 10:23:00,659 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 10:22:52" (2/3) ... [2021-12-21 10:23:00,660 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74e41d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 10:23:00, skipping insertion in model container [2021-12-21 10:23:00,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 10:23:00" (3/3) ... [2021-12-21 10:23:00,662 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2021-12-21 10:23:00,666 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 10:23:00,666 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 10:23:00,708 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 10:23:00,717 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 [2021-12-21 10:23:00,717 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 10:23:00,731 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) [2021-12-21 10:23:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-12-21 10:23:00,739 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 10:23:00,740 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] [2021-12-21 10:23:00,740 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 10:23:00,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 10:23:00,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1430119920, now seen corresponding path program 1 times [2021-12-21 10:23:00,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-21 10:23:00,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [919707772] [2021-12-21 10:23:00,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 10:23:00,754 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-21 10:23:00,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-21 10:23:00,771 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) [2021-12-21 10:23:00,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-21 10:23:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat