./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.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 c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 02:41:08,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 02:41:08,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 02:41:09,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 02:41:09,007 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 02:41:09,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 02:41:09,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 02:41:09,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 02:41:09,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 02:41:09,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 02:41:09,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 02:41:09,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 02:41:09,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 02:41:09,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 02:41:09,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 02:41:09,027 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 02:41:09,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 02:41:09,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 02:41:09,030 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 02:41:09,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 02:41:09,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 02:41:09,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 02:41:09,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 02:41:09,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 02:41:09,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 02:41:09,042 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 02:41:09,042 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 02:41:09,043 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 02:41:09,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 02:41:09,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 02:41:09,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 02:41:09,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 02:41:09,046 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 02:41:09,047 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 02:41:09,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 02:41:09,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 02:41:09,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 02:41:09,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 02:41:09,049 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 02:41:09,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 02:41:09,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 02:41:09,050 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 02:41:09,074 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 02:41:09,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 02:41:09,075 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 02:41:09,075 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 02:41:09,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 02:41:09,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 02:41:09,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 02:41:09,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 02:41:09,076 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 02:41:09,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 02:41:09,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 02:41:09,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 02:41:09,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 02:41:09,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 02:41:09,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 02:41:09,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 02:41:09,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 02:41:09,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 02:41:09,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 02:41:09,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 02:41:09,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 02:41:09,081 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 02:41:09,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 02:41:09,081 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 02:41:09,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 02:41:09,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 02:41:09,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 02:41:09,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2021-12-17 02:41:09,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 02:41:09,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 02:41:09,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 02:41:09,315 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 02:41:09,316 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 02:41:09,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-12-17 02:41:09,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac2032b8/dad5e0bb46a5408fa81ed185a5672efc/FLAG10ea26f31 [2021-12-17 02:41:09,720 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 02:41:09,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-12-17 02:41:09,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac2032b8/dad5e0bb46a5408fa81ed185a5672efc/FLAG10ea26f31 [2021-12-17 02:41:10,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac2032b8/dad5e0bb46a5408fa81ed185a5672efc [2021-12-17 02:41:10,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 02:41:10,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 02:41:10,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 02:41:10,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 02:41:10,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 02:41:10,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cb94e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10, skipping insertion in model container [2021-12-17 02:41:10,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 02:41:10,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 02:41:10,356 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2021-12-17 02:41:10,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 02:41:10,366 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 02:41:10,428 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/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2021-12-17 02:41:10,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 02:41:10,448 INFO L208 MainTranslator]: Completed translation [2021-12-17 02:41:10,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10 WrapperNode [2021-12-17 02:41:10,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 02:41:10,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 02:41:10,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 02:41:10,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 02:41:10,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,503 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 522 [2021-12-17 02:41:10,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 02:41:10,504 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 02:41:10,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 02:41:10,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 02:41:10,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 02:41:10,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 02:41:10,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 02:41:10,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 02:41:10,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (1/1) ... [2021-12-17 02:41:10,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 02:41:10,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:10,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 02:41:10,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 02:41:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 02:41:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 02:41:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 02:41:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 02:41:10,670 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 02:41:10,671 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 02:41:10,683 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-17 02:41:11,022 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-17 02:41:11,023 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-17 02:41:11,023 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 02:41:11,028 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 02:41:11,028 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 02:41:11,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:41:11 BoogieIcfgContainer [2021-12-17 02:41:11,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 02:41:11,031 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 02:41:11,031 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 02:41:11,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 02:41:11,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 02:41:10" (1/3) ... [2021-12-17 02:41:11,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a45c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:41:11, skipping insertion in model container [2021-12-17 02:41:11,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 02:41:10" (2/3) ... [2021-12-17 02:41:11,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a45c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 02:41:11, skipping insertion in model container [2021-12-17 02:41:11,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:41:11" (3/3) ... [2021-12-17 02:41:11,044 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-12-17 02:41:11,047 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 02:41:11,047 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 02:41:11,087 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 02:41:11,093 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 02:41:11,094 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 02:41:11,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-17 02:41:11,116 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:11,116 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] [2021-12-17 02:41:11,117 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:11,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:11,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2021-12-17 02:41:11,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:11,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277766429] [2021-12-17 02:41:11,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:11,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 02:41:11,327 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:11,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277766429] [2021-12-17 02:41:11,328 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277766429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:11,328 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:11,328 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:11,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205923932] [2021-12-17 02:41:11,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:11,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:11,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:11,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:11,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:11,360 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:11,530 INFO L93 Difference]: Finished difference Result 297 states and 509 transitions. [2021-12-17 02:41:11,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:11,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2021-12-17 02:41:11,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:11,542 INFO L225 Difference]: With dead ends: 297 [2021-12-17 02:41:11,542 INFO L226 Difference]: Without dead ends: 145 [2021-12-17 02:41:11,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:11,548 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 32 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:11,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 359 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:11,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-12-17 02:41:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2021-12-17 02:41:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.524822695035461) internal successors, (215), 141 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2021-12-17 02:41:11,589 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 44 [2021-12-17 02:41:11,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:11,589 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2021-12-17 02:41:11,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,590 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2021-12-17 02:41:11,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-17 02:41:11,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:11,596 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] [2021-12-17 02:41:11,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 02:41:11,597 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:11,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:11,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1722912794, now seen corresponding path program 1 times [2021-12-17 02:41:11,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:11,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414070813] [2021-12-17 02:41:11,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:11,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 02:41:11,673 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:11,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414070813] [2021-12-17 02:41:11,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414070813] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:11,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:11,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:11,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916134619] [2021-12-17 02:41:11,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:11,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:11,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:11,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:11,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:11,678 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:11,784 INFO L93 Difference]: Finished difference Result 301 states and 462 transitions. [2021-12-17 02:41:11,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:11,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2021-12-17 02:41:11,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:11,815 INFO L225 Difference]: With dead ends: 301 [2021-12-17 02:41:11,816 INFO L226 Difference]: Without dead ends: 167 [2021-12-17 02:41:11,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:11,817 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 14 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:11,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 283 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:11,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-12-17 02:41:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2021-12-17 02:41:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.4876543209876543) internal successors, (241), 162 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2021-12-17 02:41:11,824 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 60 [2021-12-17 02:41:11,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:11,824 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2021-12-17 02:41:11,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2021-12-17 02:41:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-17 02:41:11,826 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:11,826 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:11,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 02:41:11,827 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1797387181, now seen corresponding path program 1 times [2021-12-17 02:41:11,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:11,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783179956] [2021-12-17 02:41:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:11,876 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 02:41:11,876 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:11,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783179956] [2021-12-17 02:41:11,877 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783179956] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:11,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:11,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:11,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491392976] [2021-12-17 02:41:11,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:11,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:11,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:11,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:11,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:11,878 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:11,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:11,978 INFO L93 Difference]: Finished difference Result 345 states and 517 transitions. [2021-12-17 02:41:11,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:11,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-12-17 02:41:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:11,980 INFO L225 Difference]: With dead ends: 345 [2021-12-17 02:41:11,980 INFO L226 Difference]: Without dead ends: 190 [2021-12-17 02:41:11,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:11,982 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 13 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:11,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 296 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:11,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-12-17 02:41:11,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2021-12-17 02:41:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.4516129032258065) internal successors, (270), 186 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 270 transitions. [2021-12-17 02:41:12,002 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 270 transitions. Word has length 81 [2021-12-17 02:41:12,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,003 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 270 transitions. [2021-12-17 02:41:12,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,003 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 270 transitions. [2021-12-17 02:41:12,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-17 02:41:12,005 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,005 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:12,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 02:41:12,006 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2045533675, now seen corresponding path program 1 times [2021-12-17 02:41:12,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132627830] [2021-12-17 02:41:12,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,098 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 02:41:12,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:12,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132627830] [2021-12-17 02:41:12,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132627830] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:12,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:12,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:12,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019269189] [2021-12-17 02:41:12,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:12,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:12,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:12,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:12,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,100 INFO L87 Difference]: Start difference. First operand 187 states and 270 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:12,226 INFO L93 Difference]: Finished difference Result 411 states and 610 transitions. [2021-12-17 02:41:12,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:12,227 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-12-17 02:41:12,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:12,228 INFO L225 Difference]: With dead ends: 411 [2021-12-17 02:41:12,228 INFO L226 Difference]: Without dead ends: 232 [2021-12-17 02:41:12,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,230 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 15 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:12,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 283 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:12,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-12-17 02:41:12,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2021-12-17 02:41:12,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 316 transitions. [2021-12-17 02:41:12,235 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 316 transitions. Word has length 81 [2021-12-17 02:41:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,235 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 316 transitions. [2021-12-17 02:41:12,236 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,236 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 316 transitions. [2021-12-17 02:41:12,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-17 02:41:12,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,237 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:12,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 02:41:12,237 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash 755662145, now seen corresponding path program 1 times [2021-12-17 02:41:12,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684585044] [2021-12-17 02:41:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-17 02:41:12,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:12,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684585044] [2021-12-17 02:41:12,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684585044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:12,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:12,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:12,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548631306] [2021-12-17 02:41:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:12,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:12,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:12,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:12,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,289 INFO L87 Difference]: Start difference. First operand 228 states and 316 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:12,403 INFO L93 Difference]: Finished difference Result 485 states and 686 transitions. [2021-12-17 02:41:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:12,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-12-17 02:41:12,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:12,405 INFO L225 Difference]: With dead ends: 485 [2021-12-17 02:41:12,405 INFO L226 Difference]: Without dead ends: 265 [2021-12-17 02:41:12,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,406 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 29 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:12,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 298 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:12,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-12-17 02:41:12,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 253. [2021-12-17 02:41:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.373015873015873) internal successors, (346), 252 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 346 transitions. [2021-12-17 02:41:12,411 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 346 transitions. Word has length 101 [2021-12-17 02:41:12,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,412 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 346 transitions. [2021-12-17 02:41:12,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,412 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2021-12-17 02:41:12,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-17 02:41:12,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,413 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2021-12-17 02:41:12,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 02:41:12,414 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,414 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2021-12-17 02:41:12,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277830899] [2021-12-17 02:41:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-17 02:41:12,442 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:12,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277830899] [2021-12-17 02:41:12,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277830899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:12,442 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:12,443 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:12,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178417371] [2021-12-17 02:41:12,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:12,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:12,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:12,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:12,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,444 INFO L87 Difference]: Start difference. First operand 253 states and 346 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:12,466 INFO L93 Difference]: Finished difference Result 739 states and 1011 transitions. [2021-12-17 02:41:12,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:12,467 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-17 02:41:12,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:12,469 INFO L225 Difference]: With dead ends: 739 [2021-12-17 02:41:12,469 INFO L226 Difference]: Without dead ends: 494 [2021-12-17 02:41:12,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,470 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 131 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:12,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 487 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:41:12,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-12-17 02:41:12,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2021-12-17 02:41:12,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 1.3630831643002028) internal successors, (672), 493 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 672 transitions. [2021-12-17 02:41:12,491 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 672 transitions. Word has length 121 [2021-12-17 02:41:12,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,492 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 672 transitions. [2021-12-17 02:41:12,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,492 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 672 transitions. [2021-12-17 02:41:12,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-17 02:41:12,493 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,493 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2021-12-17 02:41:12,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 02:41:12,494 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,494 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2021-12-17 02:41:12,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032415092] [2021-12-17 02:41:12,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,522 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-17 02:41:12,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:12,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032415092] [2021-12-17 02:41:12,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032415092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:12,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:12,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:12,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537835043] [2021-12-17 02:41:12,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:12,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:12,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:12,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:12,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,524 INFO L87 Difference]: Start difference. First operand 494 states and 672 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:12,544 INFO L93 Difference]: Finished difference Result 1219 states and 1660 transitions. [2021-12-17 02:41:12,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:12,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-17 02:41:12,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:12,546 INFO L225 Difference]: With dead ends: 1219 [2021-12-17 02:41:12,546 INFO L226 Difference]: Without dead ends: 733 [2021-12-17 02:41:12,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,549 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 129 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:12,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 453 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:41:12,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-12-17 02:41:12,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2021-12-17 02:41:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 732 states have (on average 1.3592896174863387) internal successors, (995), 732 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 995 transitions. [2021-12-17 02:41:12,573 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 995 transitions. Word has length 121 [2021-12-17 02:41:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,574 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 995 transitions. [2021-12-17 02:41:12,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 995 transitions. [2021-12-17 02:41:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-17 02:41:12,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,579 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2021-12-17 02:41:12,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-17 02:41:12,579 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1728089839, now seen corresponding path program 1 times [2021-12-17 02:41:12,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814665106] [2021-12-17 02:41:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-17 02:41:12,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:12,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814665106] [2021-12-17 02:41:12,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814665106] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:12,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:12,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:12,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173735926] [2021-12-17 02:41:12,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:12,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:12,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:12,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:12,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,628 INFO L87 Difference]: Start difference. First operand 733 states and 995 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2021-12-17 02:41:12,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:12,648 INFO L93 Difference]: Finished difference Result 1482 states and 2008 transitions. [2021-12-17 02:41:12,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:12,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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 121 [2021-12-17 02:41:12,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:12,650 INFO L225 Difference]: With dead ends: 1482 [2021-12-17 02:41:12,650 INFO L226 Difference]: Without dead ends: 757 [2021-12-17 02:41:12,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,652 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 10 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:12,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 382 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:41:12,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2021-12-17 02:41:12,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2021-12-17 02:41:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 756 states have (on average 1.3544973544973544) internal successors, (1024), 756 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1024 transitions. [2021-12-17 02:41:12,664 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1024 transitions. Word has length 121 [2021-12-17 02:41:12,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,665 INFO L470 AbstractCegarLoop]: Abstraction has 757 states and 1024 transitions. [2021-12-17 02:41:12,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 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) [2021-12-17 02:41:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1024 transitions. [2021-12-17 02:41:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-17 02:41:12,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,670 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 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] [2021-12-17 02:41:12,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 02:41:12,670 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,670 INFO L85 PathProgramCache]: Analyzing trace with hash -305304207, now seen corresponding path program 1 times [2021-12-17 02:41:12,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87284238] [2021-12-17 02:41:12,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-17 02:41:12,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:12,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87284238] [2021-12-17 02:41:12,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87284238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:12,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:12,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:12,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141637803] [2021-12-17 02:41:12,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:12,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:12,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:12,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:12,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,703 INFO L87 Difference]: Start difference. First operand 757 states and 1024 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:12,719 INFO L93 Difference]: Finished difference Result 1519 states and 2050 transitions. [2021-12-17 02:41:12,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:12,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 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 [2021-12-17 02:41:12,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:12,722 INFO L225 Difference]: With dead ends: 1519 [2021-12-17 02:41:12,722 INFO L226 Difference]: Without dead ends: 770 [2021-12-17 02:41:12,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:12,724 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 6 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:12,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 362 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:41:12,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2021-12-17 02:41:12,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2021-12-17 02:41:12,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 769 states have (on average 1.3485045513654097) internal successors, (1037), 769 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1037 transitions. [2021-12-17 02:41:12,735 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1037 transitions. Word has length 121 [2021-12-17 02:41:12,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:12,735 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 1037 transitions. [2021-12-17 02:41:12,735 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1037 transitions. [2021-12-17 02:41:12,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-17 02:41:12,737 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:12,737 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:12,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-17 02:41:12,737 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:12,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:12,738 INFO L85 PathProgramCache]: Analyzing trace with hash -247255522, now seen corresponding path program 1 times [2021-12-17 02:41:12,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:12,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418077632] [2021-12-17 02:41:12,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:12,749 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 02:41:12,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [680386812] [2021-12-17 02:41:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:12,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:12,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:12,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:12,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 02:41:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:12,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 02:41:12,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:13,119 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-17 02:41:13,120 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 02:41:13,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:13,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418077632] [2021-12-17 02:41:13,120 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 02:41:13,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680386812] [2021-12-17 02:41:13,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680386812] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:13,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:13,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:13,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285885472] [2021-12-17 02:41:13,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:13,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:13,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:13,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:13,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:13,122 INFO L87 Difference]: Start difference. First operand 770 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:13,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:13,200 INFO L93 Difference]: Finished difference Result 1632 states and 2247 transitions. [2021-12-17 02:41:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:13,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-12-17 02:41:13,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:13,203 INFO L225 Difference]: With dead ends: 1632 [2021-12-17 02:41:13,203 INFO L226 Difference]: Without dead ends: 883 [2021-12-17 02:41:13,204 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:13,204 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:13,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 283 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:13,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2021-12-17 02:41:13,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 852. [2021-12-17 02:41:13,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 851 states have (on average 1.3337250293772034) internal successors, (1135), 851 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1135 transitions. [2021-12-17 02:41:13,215 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1135 transitions. Word has length 159 [2021-12-17 02:41:13,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:13,215 INFO L470 AbstractCegarLoop]: Abstraction has 852 states and 1135 transitions. [2021-12-17 02:41:13,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1135 transitions. [2021-12-17 02:41:13,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-17 02:41:13,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:13,217 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:13,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 02:41:13,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-17 02:41:13,450 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:13,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:13,451 INFO L85 PathProgramCache]: Analyzing trace with hash -485577875, now seen corresponding path program 1 times [2021-12-17 02:41:13,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:13,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082637417] [2021-12-17 02:41:13,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:13,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:13,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-12-17 02:41:13,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:13,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082637417] [2021-12-17 02:41:13,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082637417] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:13,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:13,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:13,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697245797] [2021-12-17 02:41:13,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:13,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:13,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:13,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:13,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:13,483 INFO L87 Difference]: Start difference. First operand 852 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:13,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:13,570 INFO L93 Difference]: Finished difference Result 1850 states and 2535 transitions. [2021-12-17 02:41:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:13,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 171 [2021-12-17 02:41:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:13,574 INFO L225 Difference]: With dead ends: 1850 [2021-12-17 02:41:13,574 INFO L226 Difference]: Without dead ends: 1016 [2021-12-17 02:41:13,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:13,576 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 156 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:13,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 150 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:13,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2021-12-17 02:41:13,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1002. [2021-12-17 02:41:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1001 states have (on average 1.3856143856143857) internal successors, (1387), 1001 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1387 transitions. [2021-12-17 02:41:13,589 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1387 transitions. Word has length 171 [2021-12-17 02:41:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:13,590 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1387 transitions. [2021-12-17 02:41:13,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:13,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1387 transitions. [2021-12-17 02:41:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-17 02:41:13,592 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:13,592 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:13,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 02:41:13,592 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:13,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:13,593 INFO L85 PathProgramCache]: Analyzing trace with hash 118327499, now seen corresponding path program 1 times [2021-12-17 02:41:13,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:13,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245348138] [2021-12-17 02:41:13,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:13,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:13,608 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 02:41:13,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816307938] [2021-12-17 02:41:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:13,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:13,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:13,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 02:41:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:13,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 02:41:13,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-17 02:41:13,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 02:41:13,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:13,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245348138] [2021-12-17 02:41:13,953 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 02:41:13,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816307938] [2021-12-17 02:41:13,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816307938] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:13,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:13,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:13,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820873138] [2021-12-17 02:41:13,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:13,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:13,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:13,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:13,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:13,955 INFO L87 Difference]: Start difference. First operand 1002 states and 1387 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:14,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:14,064 INFO L93 Difference]: Finished difference Result 2112 states and 2980 transitions. [2021-12-17 02:41:14,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:14,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 201 [2021-12-17 02:41:14,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:14,068 INFO L225 Difference]: With dead ends: 2112 [2021-12-17 02:41:14,068 INFO L226 Difference]: Without dead ends: 1098 [2021-12-17 02:41:14,069 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:14,069 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 28 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:14,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 292 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:14,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-12-17 02:41:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1095. [2021-12-17 02:41:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1094 states have (on average 1.3720292504570384) internal successors, (1501), 1094 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1501 transitions. [2021-12-17 02:41:14,085 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1501 transitions. Word has length 201 [2021-12-17 02:41:14,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:14,085 INFO L470 AbstractCegarLoop]: Abstraction has 1095 states and 1501 transitions. [2021-12-17 02:41:14,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1501 transitions. [2021-12-17 02:41:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-17 02:41:14,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:14,088 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-12-17 02:41:14,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 02:41:14,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-17 02:41:14,306 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:14,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:14,306 INFO L85 PathProgramCache]: Analyzing trace with hash 810941761, now seen corresponding path program 1 times [2021-12-17 02:41:14,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:14,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064392959] [2021-12-17 02:41:14,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:14,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:14,317 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 02:41:14,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976507699] [2021-12-17 02:41:14,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:14,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:14,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:14,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:14,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 02:41:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:14,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 02:41:14,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-12-17 02:41:14,775 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 02:41:14,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:14,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064392959] [2021-12-17 02:41:14,776 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 02:41:14,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976507699] [2021-12-17 02:41:14,776 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976507699] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:14,776 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:14,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:14,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284938865] [2021-12-17 02:41:14,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:14,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:14,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:14,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:14,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:14,778 INFO L87 Difference]: Start difference. First operand 1095 states and 1501 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:14,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:14,875 INFO L93 Difference]: Finished difference Result 2262 states and 3091 transitions. [2021-12-17 02:41:14,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:14,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 257 [2021-12-17 02:41:14,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:14,879 INFO L225 Difference]: With dead ends: 2262 [2021-12-17 02:41:14,879 INFO L226 Difference]: Without dead ends: 1090 [2021-12-17 02:41:14,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:14,881 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 9 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:14,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 299 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:14,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2021-12-17 02:41:14,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2021-12-17 02:41:14,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.3663911845730028) internal successors, (1488), 1089 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1488 transitions. [2021-12-17 02:41:14,894 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1488 transitions. Word has length 257 [2021-12-17 02:41:14,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:14,894 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1488 transitions. [2021-12-17 02:41:14,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:14,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1488 transitions. [2021-12-17 02:41:14,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-17 02:41:14,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:14,897 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-17 02:41:14,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 02:41:15,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:15,115 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:15,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:15,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2021-12-17 02:41:15,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:15,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009954438] [2021-12-17 02:41:15,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:15,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:15,125 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 02:41:15,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780975432] [2021-12-17 02:41:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:15,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:15,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:15,127 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:15,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 02:41:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:15,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 02:41:15,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:15,591 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-17 02:41:15,591 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 02:41:15,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:15,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009954438] [2021-12-17 02:41:15,592 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 02:41:15,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780975432] [2021-12-17 02:41:15,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780975432] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:15,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:15,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:15,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369720585] [2021-12-17 02:41:15,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:15,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:15,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:15,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:15,594 INFO L87 Difference]: Start difference. First operand 1090 states and 1488 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:15,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:15,615 INFO L93 Difference]: Finished difference Result 3111 states and 4277 transitions. [2021-12-17 02:41:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:15,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2021-12-17 02:41:15,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:15,619 INFO L225 Difference]: With dead ends: 3111 [2021-12-17 02:41:15,619 INFO L226 Difference]: Without dead ends: 1383 [2021-12-17 02:41:15,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:15,621 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 116 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:15,621 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 510 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 02:41:15,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2021-12-17 02:41:15,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1381. [2021-12-17 02:41:15,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1380 states have (on average 1.3695652173913044) internal successors, (1890), 1380 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1890 transitions. [2021-12-17 02:41:15,638 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1890 transitions. Word has length 269 [2021-12-17 02:41:15,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:15,638 INFO L470 AbstractCegarLoop]: Abstraction has 1381 states and 1890 transitions. [2021-12-17 02:41:15,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:15,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1890 transitions. [2021-12-17 02:41:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-12-17 02:41:15,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:15,642 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-17 02:41:15,661 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 02:41:15,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:15,859 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:15,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:15,860 INFO L85 PathProgramCache]: Analyzing trace with hash 746936446, now seen corresponding path program 1 times [2021-12-17 02:41:15,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:15,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478828009] [2021-12-17 02:41:15,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:15,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2021-12-17 02:41:15,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:15,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478828009] [2021-12-17 02:41:15,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478828009] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:15,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:15,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:15,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150329734] [2021-12-17 02:41:15,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:15,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:15,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:15,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:15,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:15,892 INFO L87 Difference]: Start difference. First operand 1381 states and 1890 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:15,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:15,984 INFO L93 Difference]: Finished difference Result 2877 states and 3987 transitions. [2021-12-17 02:41:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:15,985 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 315 [2021-12-17 02:41:15,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:15,988 INFO L225 Difference]: With dead ends: 2877 [2021-12-17 02:41:15,988 INFO L226 Difference]: Without dead ends: 1517 [2021-12-17 02:41:15,990 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:15,990 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 18 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:15,990 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 293 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2021-12-17 02:41:16,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1489. [2021-12-17 02:41:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1488 states have (on average 1.3561827956989247) internal successors, (2018), 1488 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2018 transitions. [2021-12-17 02:41:16,024 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2018 transitions. Word has length 315 [2021-12-17 02:41:16,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:16,024 INFO L470 AbstractCegarLoop]: Abstraction has 1489 states and 2018 transitions. [2021-12-17 02:41:16,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2018 transitions. [2021-12-17 02:41:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-17 02:41:16,028 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:16,028 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-17 02:41:16,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-17 02:41:16,028 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:16,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1865013778, now seen corresponding path program 1 times [2021-12-17 02:41:16,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:16,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822869248] [2021-12-17 02:41:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:16,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:16,041 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 02:41:16,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779045759] [2021-12-17 02:41:16,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:16,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:16,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:16,043 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:16,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-17 02:41:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:16,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 02:41:16,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:16,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2021-12-17 02:41:16,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 02:41:16,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:16,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822869248] [2021-12-17 02:41:16,540 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 02:41:16,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779045759] [2021-12-17 02:41:16,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779045759] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:16,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:16,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:16,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524428525] [2021-12-17 02:41:16,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:16,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:16,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:16,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:16,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:16,542 INFO L87 Difference]: Start difference. First operand 1489 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:16,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:16,646 INFO L93 Difference]: Finished difference Result 3081 states and 4219 transitions. [2021-12-17 02:41:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:16,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2021-12-17 02:41:16,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:16,651 INFO L225 Difference]: With dead ends: 3081 [2021-12-17 02:41:16,651 INFO L226 Difference]: Without dead ends: 1613 [2021-12-17 02:41:16,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:16,653 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:16,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:16,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2021-12-17 02:41:16,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1605. [2021-12-17 02:41:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1604 states have (on average 1.3428927680798004) internal successors, (2154), 1604 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:16,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2154 transitions. [2021-12-17 02:41:16,675 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2154 transitions. Word has length 338 [2021-12-17 02:41:16,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:16,676 INFO L470 AbstractCegarLoop]: Abstraction has 1605 states and 2154 transitions. [2021-12-17 02:41:16,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2154 transitions. [2021-12-17 02:41:16,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-17 02:41:16,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:16,678 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:16,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-17 02:41:16,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-17 02:41:16,896 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:16,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:16,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2021-12-17 02:41:16,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:16,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385173761] [2021-12-17 02:41:16,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:16,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:16,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-12-17 02:41:16,953 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:16,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385173761] [2021-12-17 02:41:16,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385173761] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 02:41:16,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497488056] [2021-12-17 02:41:16,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:16,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:16,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:16,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-17 02:41:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:17,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 02:41:17,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-12-17 02:41:17,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 02:41:18,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-12-17 02:41:18,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497488056] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 02:41:18,015 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 02:41:18,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-17 02:41:18,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752179198] [2021-12-17 02:41:18,015 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 02:41:18,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 02:41:18,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:18,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 02:41:18,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 02:41:18,017 INFO L87 Difference]: Start difference. First operand 1605 states and 2154 transitions. Second operand has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:18,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:18,416 INFO L93 Difference]: Finished difference Result 5409 states and 7434 transitions. [2021-12-17 02:41:18,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 02:41:18,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 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 370 [2021-12-17 02:41:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:18,431 INFO L225 Difference]: With dead ends: 5409 [2021-12-17 02:41:18,431 INFO L226 Difference]: Without dead ends: 3652 [2021-12-17 02:41:18,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-17 02:41:18,434 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 539 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:18,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 590 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 02:41:18,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2021-12-17 02:41:18,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 2133. [2021-12-17 02:41:18,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.420731707317073) internal successors, (3029), 2132 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3029 transitions. [2021-12-17 02:41:18,472 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3029 transitions. Word has length 370 [2021-12-17 02:41:18,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:18,472 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 3029 transitions. [2021-12-17 02:41:18,472 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3029 transitions. [2021-12-17 02:41:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-12-17 02:41:18,475 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:18,475 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:18,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-17 02:41:18,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-17 02:41:18,694 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:18,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:18,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2021-12-17 02:41:18,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:18,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009501335] [2021-12-17 02:41:18,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:18,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-12-17 02:41:18,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:18,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009501335] [2021-12-17 02:41:18,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009501335] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:18,762 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:18,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:18,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765251950] [2021-12-17 02:41:18,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:18,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:18,763 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:18,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:18,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:18,764 INFO L87 Difference]: Start difference. First operand 2133 states and 3029 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:18,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:18,855 INFO L93 Difference]: Finished difference Result 4569 states and 6591 transitions. [2021-12-17 02:41:18,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:18,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 470 [2021-12-17 02:41:18,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:18,862 INFO L225 Difference]: With dead ends: 4569 [2021-12-17 02:41:18,862 INFO L226 Difference]: Without dead ends: 2457 [2021-12-17 02:41:18,864 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:18,864 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:18,864 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2021-12-17 02:41:18,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2439. [2021-12-17 02:41:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2438 states have (on average 1.3863822805578343) internal successors, (3380), 2438 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3380 transitions. [2021-12-17 02:41:18,896 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3380 transitions. Word has length 470 [2021-12-17 02:41:18,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:18,897 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 3380 transitions. [2021-12-17 02:41:18,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3380 transitions. [2021-12-17 02:41:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-12-17 02:41:18,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:18,900 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:18,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-17 02:41:18,901 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:18,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:18,901 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2021-12-17 02:41:18,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:18,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528164947] [2021-12-17 02:41:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:18,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-12-17 02:41:18,949 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:18,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528164947] [2021-12-17 02:41:18,949 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528164947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:18,949 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:18,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:18,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64157677] [2021-12-17 02:41:18,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:18,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:18,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:18,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:18,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:18,950 INFO L87 Difference]: Start difference. First operand 2439 states and 3380 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:19,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:19,058 INFO L93 Difference]: Finished difference Result 5044 states and 7061 transitions. [2021-12-17 02:41:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:19,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 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 532 [2021-12-17 02:41:19,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:19,065 INFO L225 Difference]: With dead ends: 5044 [2021-12-17 02:41:19,065 INFO L226 Difference]: Without dead ends: 2626 [2021-12-17 02:41:19,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:19,068 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:19,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:19,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2021-12-17 02:41:19,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2256. [2021-12-17 02:41:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 2255 states have (on average 1.366740576496674) internal successors, (3082), 2255 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3082 transitions. [2021-12-17 02:41:19,105 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3082 transitions. Word has length 532 [2021-12-17 02:41:19,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:19,105 INFO L470 AbstractCegarLoop]: Abstraction has 2256 states and 3082 transitions. [2021-12-17 02:41:19,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:19,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3082 transitions. [2021-12-17 02:41:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-12-17 02:41:19,110 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:19,110 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 11, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:19,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 02:41:19,110 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:19,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:19,111 INFO L85 PathProgramCache]: Analyzing trace with hash 478731582, now seen corresponding path program 1 times [2021-12-17 02:41:19,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:19,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123691798] [2021-12-17 02:41:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:19,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:19,128 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-17 02:41:19,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [999784626] [2021-12-17 02:41:19,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:19,129 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:19,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:19,130 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:19,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-17 02:41:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:19,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 02:41:19,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:19,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3956 backedges. 2220 proven. 0 refuted. 0 times theorem prover too weak. 1736 trivial. 0 not checked. [2021-12-17 02:41:19,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 02:41:19,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:19,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123691798] [2021-12-17 02:41:19,843 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-17 02:41:19,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999784626] [2021-12-17 02:41:19,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999784626] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:19,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:19,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:19,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201090164] [2021-12-17 02:41:19,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:19,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:19,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:19,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:19,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:19,846 INFO L87 Difference]: Start difference. First operand 2256 states and 3082 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:19,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:19,949 INFO L93 Difference]: Finished difference Result 4127 states and 5520 transitions. [2021-12-17 02:41:19,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:19,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 588 [2021-12-17 02:41:19,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:19,954 INFO L225 Difference]: With dead ends: 4127 [2021-12-17 02:41:19,954 INFO L226 Difference]: Without dead ends: 1776 [2021-12-17 02:41:19,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:19,957 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:19,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:19,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2021-12-17 02:41:19,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2021-12-17 02:41:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1775 states have (on average 1.2569014084507042) internal successors, (2231), 1775 states have internal predecessors, (2231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2231 transitions. [2021-12-17 02:41:19,982 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2231 transitions. Word has length 588 [2021-12-17 02:41:19,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:19,983 INFO L470 AbstractCegarLoop]: Abstraction has 1776 states and 2231 transitions. [2021-12-17 02:41:19,983 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:19,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2231 transitions. [2021-12-17 02:41:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-12-17 02:41:19,986 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:19,987 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:20,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-17 02:41:20,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:20,206 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:20,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:20,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2021-12-17 02:41:20,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:20,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046935558] [2021-12-17 02:41:20,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:20,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:20,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-17 02:41:20,277 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:20,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046935558] [2021-12-17 02:41:20,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046935558] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 02:41:20,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687902710] [2021-12-17 02:41:20,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:20,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 02:41:20,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 02:41:20,278 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 02:41:20,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-17 02:41:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:20,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 02:41:20,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 02:41:20,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-17 02:41:20,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 02:41:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-17 02:41:21,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687902710] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-17 02:41:21,650 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-17 02:41:21,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-17 02:41:21,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588276018] [2021-12-17 02:41:21,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-17 02:41:21,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 02:41:21,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:21,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 02:41:21,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-17 02:41:21,652 INFO L87 Difference]: Start difference. First operand 1776 states and 2231 transitions. Second operand has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:22,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:22,041 INFO L93 Difference]: Finished difference Result 5510 states and 7035 transitions. [2021-12-17 02:41:22,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 02:41:22,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 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 598 [2021-12-17 02:41:22,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:22,051 INFO L225 Difference]: With dead ends: 5510 [2021-12-17 02:41:22,051 INFO L226 Difference]: Without dead ends: 3642 [2021-12-17 02:41:22,053 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-17 02:41:22,053 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 440 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:22,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 1168 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-17 02:41:22,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2021-12-17 02:41:22,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 2178. [2021-12-17 02:41:22,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 1.3100597152044098) internal successors, (2852), 2177 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:22,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2852 transitions. [2021-12-17 02:41:22,085 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2852 transitions. Word has length 598 [2021-12-17 02:41:22,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:22,085 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 2852 transitions. [2021-12-17 02:41:22,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2852 transitions. [2021-12-17 02:41:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2021-12-17 02:41:22,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 02:41:22,090 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 02:41:22,125 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-17 02:41:22,308 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-12-17 02:41:22,311 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 02:41:22,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 02:41:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash 465535293, now seen corresponding path program 1 times [2021-12-17 02:41:22,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 02:41:22,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117484961] [2021-12-17 02:41:22,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 02:41:22,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 02:41:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 02:41:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5990 backedges. 3252 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-12-17 02:41:22,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 02:41:22,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117484961] [2021-12-17 02:41:22,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117484961] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 02:41:22,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 02:41:22,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 02:41:22,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472938951] [2021-12-17 02:41:22,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 02:41:22,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 02:41:22,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 02:41:22,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 02:41:22,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:22,400 INFO L87 Difference]: Start difference. First operand 2178 states and 2852 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:22,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 02:41:22,486 INFO L93 Difference]: Finished difference Result 2777 states and 3618 transitions. [2021-12-17 02:41:22,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 02:41:22,487 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 722 [2021-12-17 02:41:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 02:41:22,487 INFO L225 Difference]: With dead ends: 2777 [2021-12-17 02:41:22,487 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 02:41:22,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 02:41:22,490 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 120 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-17 02:41:22,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 146 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-17 02:41:22,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 02:41:22,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 02:41:22,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 02:41:22,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 722 [2021-12-17 02:41:22,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 02:41:22,491 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 02:41:22,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 02:41:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 02:41:22,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 02:41:22,493 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 02:41:22,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-17 02:41:22,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 02:41:24,125 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2021-12-17 02:41:24,125 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2021-12-17 02:41:24,126 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2021-12-17 02:41:24,127 INFO L854 garLoopResultBuilder]: At program point L598(lines 109 666) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse2) (and .cse3 .cse1 .cse4) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse1) (and .cse5 .cse2) (and .cse1 .cse6) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse1) (and .cse1 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse5 .cse6) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse1) (and .cse5 .cse1) (and .cse3 .cse5 .cse4) (and .cse5 .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)))) [2021-12-17 02:41:24,127 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-12-17 02:41:24,128 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-12-17 02:41:24,128 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-12-17 02:41:24,128 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2021-12-17 02:41:24,129 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2021-12-17 02:41:24,129 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2021-12-17 02:41:24,129 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2021-12-17 02:41:24,130 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-12-17 02:41:24,130 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2021-12-17 02:41:24,130 INFO L861 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2021-12-17 02:41:24,130 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2021-12-17 02:41:24,130 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2021-12-17 02:41:24,130 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2021-12-17 02:41:24,131 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2021-12-17 02:41:24,131 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 605) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) [2021-12-17 02:41:24,131 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 616) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,131 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,131 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2021-12-17 02:41:24,131 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-12-17 02:41:24,131 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2021-12-17 02:41:24,131 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-12-17 02:41:24,132 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-12-17 02:41:24,132 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-12-17 02:41:24,132 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2021-12-17 02:41:24,132 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,132 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-12-17 02:41:24,132 INFO L854 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,132 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-12-17 02:41:24,133 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2021-12-17 02:41:24,133 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2021-12-17 02:41:24,133 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2021-12-17 02:41:24,133 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse2) (and .cse3 .cse1 .cse4) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse1) (and .cse5 .cse2) (and .cse1 .cse6) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse1) (and .cse1 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse1 .cse8) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse8) (and .cse5 .cse6) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse1) (and .cse5 .cse1) (and .cse3 .cse5 .cse4) (and .cse5 .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)))) [2021-12-17 02:41:24,133 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2021-12-17 02:41:24,133 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2021-12-17 02:41:24,133 INFO L858 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2021-12-17 02:41:24,134 INFO L858 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2021-12-17 02:41:24,134 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,134 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 614) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse2) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)))) [2021-12-17 02:41:24,134 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 627) the Hoare annotation is: (let ((.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse4) (and .cse3 .cse2 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,134 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-17 02:41:24,134 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-12-17 02:41:24,134 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-12-17 02:41:24,135 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 603) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-17 02:41:24,135 INFO L854 garLoopResultBuilder]: At program point L113(lines 112 635) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-17 02:41:24,135 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2021-12-17 02:41:24,136 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: true [2021-12-17 02:41:24,136 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 613) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse2))) [2021-12-17 02:41:24,137 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 624) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse5 .cse3 .cse4) (and .cse0 .cse5 .cse1))) [2021-12-17 02:41:24,137 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2021-12-17 02:41:24,137 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-12-17 02:41:24,137 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-12-17 02:41:24,138 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,138 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2021-12-17 02:41:24,138 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2021-12-17 02:41:24,138 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: true [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2021-12-17 02:41:24,139 INFO L854 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,139 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L861 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L861 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-12-17 02:41:24,140 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2021-12-17 02:41:24,141 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 611) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and .cse3 .cse1))) [2021-12-17 02:41:24,141 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 622) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,141 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-12-17 02:41:24,141 INFO L854 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse1 .cse0))) [2021-12-17 02:41:24,141 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 02:41:24,141 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2021-12-17 02:41:24,141 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2021-12-17 02:41:24,141 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2021-12-17 02:41:24,141 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-12-17 02:41:24,142 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 02:41:24,143 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2021-12-17 02:41:24,143 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2021-12-17 02:41:24,143 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-12-17 02:41:24,143 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-12-17 02:41:24,143 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 609) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3 .cse2) (and .cse3 .cse1))) [2021-12-17 02:41:24,143 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 620) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,143 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,143 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 630) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 02:41:24,144 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L854 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: false [2021-12-17 02:41:24,145 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2021-12-17 02:41:24,145 INFO L861 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2021-12-17 02:41:24,146 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2021-12-17 02:41:24,146 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-12-17 02:41:24,146 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2021-12-17 02:41:24,146 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 607) the Hoare annotation is: (or (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) [2021-12-17 02:41:24,146 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 618) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-17 02:41:24,146 INFO L854 garLoopResultBuilder]: At program point L134(lines 133 628) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) [2021-12-17 02:41:24,148 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] [2021-12-17 02:41:24,149 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 02:41:24,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 02:41:24 BoogieIcfgContainer [2021-12-17 02:41:24,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 02:41:24,175 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 02:41:24,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 02:41:24,175 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 02:41:24,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 02:41:11" (3/4) ... [2021-12-17 02:41:24,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 02:41:24,187 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 02:41:24,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 02:41:24,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 02:41:24,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 02:41:24,257 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 02:41:24,258 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 02:41:24,258 INFO L158 Benchmark]: Toolchain (without parser) took 14109.31ms. Allocated memory was 100.7MB in the beginning and 262.1MB in the end (delta: 161.5MB). Free memory was 70.8MB in the beginning and 216.9MB in the end (delta: -146.0MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,261 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 02:41:24,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.67ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 70.6MB in the beginning and 95.9MB in the end (delta: -25.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.92ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 92.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,261 INFO L158 Benchmark]: Boogie Preprocessor took 31.81ms. Allocated memory is still 123.7MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,261 INFO L158 Benchmark]: RCFGBuilder took 493.08ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 62.7MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,262 INFO L158 Benchmark]: TraceAbstraction took 13143.14ms. Allocated memory was 123.7MB in the beginning and 262.1MB in the end (delta: 138.4MB). Free memory was 62.2MB in the beginning and 227.5MB in the end (delta: -165.3MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,263 INFO L158 Benchmark]: Witness Printer took 83.27ms. Allocated memory is still 262.1MB. Free memory was 227.5MB in the beginning and 216.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 02:41:24,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 59.0MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.67ms. Allocated memory was 100.7MB in the beginning and 123.7MB in the end (delta: 23.1MB). Free memory was 70.6MB in the beginning and 95.9MB in the end (delta: -25.3MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.92ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 92.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.81ms. Allocated memory is still 123.7MB. Free memory was 92.7MB in the beginning and 90.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.08ms. Allocated memory is still 123.7MB. Free memory was 90.6MB in the beginning and 62.7MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13143.14ms. Allocated memory was 123.7MB in the beginning and 262.1MB in the end (delta: 138.4MB). Free memory was 62.2MB in the beginning and 227.5MB in the end (delta: -165.3MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. * Witness Printer took 83.27ms. Allocated memory is still 262.1MB. Free memory was 227.5MB in the beginning and 216.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 678]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 22, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1911 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1911 mSDsluCounter, 8077 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3441 mSDsCounter, 571 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3032 IncrementalHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 571 mSolverCounterUnsat, 4636 mSDtfsCounter, 3032 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3802 GetRequests, 3765 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2439occurred in iteration=18, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 3483 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 194 NumberOfFragments, 977 HoareAnnotationTreeSize, 29 FomulaSimplifications, 1538 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 29 FomulaSimplificationsInter, 2843 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 6809 NumberOfCodeBlocks, 6809 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 7751 ConstructedInterpolants, 0 QuantifiedInterpolants, 9843 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4536 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 36131/36287 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((s__state < 8656 && blastFlag == 2) && 8640 <= s__state) || (s__state <= 8672 && !(0 == s__hit)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (8672 <= s__state && blastFlag == 3) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 2) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 3) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 2) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((!(0 == s__hit) && s__state <= 8448) && blastFlag == 3) || ((!(0 == s__hit) && s__state <= 8448) && blastFlag == 2)) || (((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && blastFlag == 2)) || (s__state <= 8448 && s__s3__tmp__next_state___0 == 3) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__state == 8496 && blastFlag == 2) || (((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || ((s__state < 8656 && blastFlag == 2) && 8640 <= s__state)) || (s__state == 8560 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 3)) || (blastFlag == 2 && s__state == 8608)) || s__state <= 3) || (s__state == 8544 && blastFlag == 2)) || (blastFlag == 2 && s__state == 8592)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && s__state <= 8576)) || (blastFlag == 2 && s__state == 8464)) || (blastFlag == 2 && s__state == 8512)) || (!(0 == s__hit) && s__state == 8608)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (s__state == 8656 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 2)) || ((s__state < 8656 && !(0 == s__hit)) && 8640 <= s__state)) || (!(0 == s__hit) && s__state == 8592)) || (s__state == 8496 && blastFlag == 1)) || (blastFlag == 2 && s__state == 8528) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state < 8656 && 8448 <= s__state) && blastFlag == 2)) || (s__state < 8656 && !(0 == s__hit)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((s__state <= 8448 && blastFlag == 2) || (!(0 == s__hit) && blastFlag == 3)) || (!(0 == s__hit) && blastFlag == 2) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: s__state <= 8672 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((blastFlag == 1 && 8448 <= s__state) && s__state < 8576)) || ((s__state <= 8672 && blastFlag == 1) && !(0 == s__hit)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((((s__state == 8496 && blastFlag == 2) || (((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || ((s__state < 8656 && blastFlag == 2) && 8640 <= s__state)) || (s__state == 8560 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 3)) || (blastFlag == 2 && s__state == 8608)) || s__state <= 3) || (s__state == 8544 && blastFlag == 2)) || (blastFlag == 2 && s__state == 8592)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && s__state <= 8576)) || (blastFlag == 2 && s__state == 8464)) || (blastFlag == 2 && s__state == 8512)) || (blastFlag == 0 && s__state == 8464)) || (!(0 == s__hit) && s__state == 8608)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (s__state == 8656 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 2)) || ((s__state < 8656 && !(0 == s__hit)) && 8640 <= s__state)) || (!(0 == s__hit) && s__state == 8592)) || (s__state == 8496 && blastFlag == 1)) || (blastFlag == 2 && s__state == 8528) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((8448 <= s__state && s__state < 8656) && blastFlag == 2)) || (s__state < 8656 && !(0 == s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 0) && s__state < 8576)) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || (((s__state < 8656 && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && blastFlag == 2) && 8640 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-12-17 02:41:24,319 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 Writing output log to file Ultimate.log Result: TRUE