./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 e8d55036 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-?-e8d5503-m [2023-02-15 19:21:34,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 19:21:34,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 19:21:34,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 19:21:34,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 19:21:34,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 19:21:34,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 19:21:34,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 19:21:34,355 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 19:21:34,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 19:21:34,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 19:21:34,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 19:21:34,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 19:21:34,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 19:21:34,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 19:21:34,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 19:21:34,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 19:21:34,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 19:21:34,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 19:21:34,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 19:21:34,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 19:21:34,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 19:21:34,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 19:21:34,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 19:21:34,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 19:21:34,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 19:21:34,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 19:21:34,385 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 19:21:34,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 19:21:34,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 19:21:34,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 19:21:34,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 19:21:34,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 19:21:34,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 19:21:34,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 19:21:34,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 19:21:34,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 19:21:34,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 19:21:34,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 19:21:34,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 19:21:34,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 19:21:34,393 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 19:21:34,415 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 19:21:34,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 19:21:34,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 19:21:34,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 19:21:34,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 19:21:34,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 19:21:34,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 19:21:34,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 19:21:34,419 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 19:21:34,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 19:21:34,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 19:21:34,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 19:21:34,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:21:34,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 19:21:34,422 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 19:21:34,422 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 19:21:34,422 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 19:21:34,423 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2023-02-15 19:21:34,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 19:21:34,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 19:21:34,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 19:21:34,601 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 19:21:34,601 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 19:21:34,602 INFO L432 ainManager$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 [2023-02-15 19:21:35,582 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 19:21:35,745 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 19:21:35,746 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2023-02-15 19:21:35,752 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44855c9ca/f20f0f95ca224eaaa0876345ad9462d0/FLAG015f4c6fb [2023-02-15 19:21:35,761 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44855c9ca/f20f0f95ca224eaaa0876345ad9462d0 [2023-02-15 19:21:35,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 19:21:35,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 19:21:35,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 19:21:35,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 19:21:35,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 19:21:35,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:21:35" (1/1) ... [2023-02-15 19:21:35,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69c3a9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:35, skipping insertion in model container [2023-02-15 19:21:35,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 07:21:35" (1/1) ... [2023-02-15 19:21:35,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 19:21:35,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 19:21:35,967 WARN L237 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] [2023-02-15 19:21:35,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:21:35,989 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 19:21:36,025 WARN L237 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] [2023-02-15 19:21:36,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 19:21:36,040 INFO L208 MainTranslator]: Completed translation [2023-02-15 19:21:36,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36 WrapperNode [2023-02-15 19:21:36,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 19:21:36,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 19:21:36,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 19:21:36,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 19:21:36,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,092 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 522 [2023-02-15 19:21:36,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 19:21:36,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 19:21:36,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 19:21:36,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 19:21:36,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,128 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 19:21:36,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 19:21:36,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 19:21:36,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 19:21:36,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (1/1) ... [2023-02-15 19:21:36,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 19:21:36,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:36,156 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) [2023-02-15 19:21:36,179 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 [2023-02-15 19:21:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 19:21:36,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 19:21:36,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 19:21:36,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 19:21:36,262 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 19:21:36,263 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 19:21:36,273 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-02-15 19:21:36,715 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2023-02-15 19:21:36,716 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2023-02-15 19:21:36,716 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 19:21:36,720 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 19:21:36,724 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 19:21:36,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:21:36 BoogieIcfgContainer [2023-02-15 19:21:36,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 19:21:36,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 19:21:36,728 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 19:21:36,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 19:21:36,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 07:21:35" (1/3) ... [2023-02-15 19:21:36,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f06868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:21:36, skipping insertion in model container [2023-02-15 19:21:36,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 07:21:36" (2/3) ... [2023-02-15 19:21:36,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70f06868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 07:21:36, skipping insertion in model container [2023-02-15 19:21:36,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:21:36" (3/3) ... [2023-02-15 19:21:36,732 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2023-02-15 19:21:36,743 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 19:21:36,744 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 19:21:36,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 19:21:36,792 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20f110e5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 19:21:36,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 19:21:36,797 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) [2023-02-15 19:21:36,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-02-15 19:21:36,805 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:36,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 19:21:36,806 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:36,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:36,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2023-02-15 19:21:36,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:36,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885896837] [2023-02-15 19:21:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:36,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:37,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 19:21:37,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:37,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885896837] [2023-02-15 19:21:37,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885896837] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:37,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:37,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:37,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947355956] [2023-02-15 19:21:37,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:37,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:37,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:37,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:37,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,124 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) [2023-02-15 19:21:37,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:37,276 INFO L93 Difference]: Finished difference Result 297 states and 509 transitions. [2023-02-15 19:21:37,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:37,279 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 [2023-02-15 19:21:37,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:37,288 INFO L225 Difference]: With dead ends: 297 [2023-02-15 19:21:37,288 INFO L226 Difference]: Without dead ends: 145 [2023-02-15 19:21:37,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,294 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:37,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 359 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:37,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-02-15 19:21:37,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2023-02-15 19:21:37,321 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) [2023-02-15 19:21:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2023-02-15 19:21:37,323 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 44 [2023-02-15 19:21:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:37,323 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2023-02-15 19:21:37,324 INFO L496 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) [2023-02-15 19:21:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2023-02-15 19:21:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-02-15 19:21:37,325 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:37,326 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:37,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 19:21:37,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:37,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:37,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1722912794, now seen corresponding path program 1 times [2023-02-15 19:21:37,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:37,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024710009] [2023-02-15 19:21:37,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:37,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 19:21:37,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:37,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024710009] [2023-02-15 19:21:37,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024710009] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:37,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:37,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:37,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957565975] [2023-02-15 19:21:37,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:37,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:37,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:37,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:37,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,391 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) [2023-02-15 19:21:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:37,523 INFO L93 Difference]: Finished difference Result 301 states and 462 transitions. [2023-02-15 19:21:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:37,523 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 [2023-02-15 19:21:37,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:37,527 INFO L225 Difference]: With dead ends: 301 [2023-02-15 19:21:37,527 INFO L226 Difference]: Without dead ends: 167 [2023-02-15 19:21:37,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,535 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:37,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 283 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:37,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-02-15 19:21:37,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2023-02-15 19:21:37,542 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) [2023-02-15 19:21:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2023-02-15 19:21:37,543 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 60 [2023-02-15 19:21:37,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:37,544 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2023-02-15 19:21:37,544 INFO L496 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) [2023-02-15 19:21:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2023-02-15 19:21:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-02-15 19:21:37,546 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:37,546 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:37,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 19:21:37,546 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:37,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1797387181, now seen corresponding path program 1 times [2023-02-15 19:21:37,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:37,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896395268] [2023-02-15 19:21:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:37,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 19:21:37,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:37,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896395268] [2023-02-15 19:21:37,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896395268] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:37,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:37,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:37,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475018468] [2023-02-15 19:21:37,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:37,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:37,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:37,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:37,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,595 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) [2023-02-15 19:21:37,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:37,724 INFO L93 Difference]: Finished difference Result 345 states and 517 transitions. [2023-02-15 19:21:37,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:37,725 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 [2023-02-15 19:21:37,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:37,726 INFO L225 Difference]: With dead ends: 345 [2023-02-15 19:21:37,726 INFO L226 Difference]: Without dead ends: 190 [2023-02-15 19:21:37,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,729 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:37,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 296 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:37,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-02-15 19:21:37,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2023-02-15 19:21:37,742 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) [2023-02-15 19:21:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 270 transitions. [2023-02-15 19:21:37,744 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 270 transitions. Word has length 81 [2023-02-15 19:21:37,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:37,745 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 270 transitions. [2023-02-15 19:21:37,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 270 transitions. [2023-02-15 19:21:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-02-15 19:21:37,750 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:37,752 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:37,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 19:21:37,753 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:37,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:37,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2045533675, now seen corresponding path program 1 times [2023-02-15 19:21:37,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:37,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559198549] [2023-02-15 19:21:37,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:37,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 19:21:37,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:37,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559198549] [2023-02-15 19:21:37,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559198549] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:37,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:37,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:37,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173330579] [2023-02-15 19:21:37,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:37,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:37,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:37,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:37,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,842 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) [2023-02-15 19:21:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:37,974 INFO L93 Difference]: Finished difference Result 411 states and 610 transitions. [2023-02-15 19:21:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:37,975 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 [2023-02-15 19:21:37,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:37,977 INFO L225 Difference]: With dead ends: 411 [2023-02-15 19:21:37,977 INFO L226 Difference]: Without dead ends: 232 [2023-02-15 19:21:37,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:37,984 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:37,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 283 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:37,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-02-15 19:21:37,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2023-02-15 19:21:37,999 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) [2023-02-15 19:21:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 316 transitions. [2023-02-15 19:21:38,000 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 316 transitions. Word has length 81 [2023-02-15 19:21:38,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,001 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 316 transitions. [2023-02-15 19:21:38,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 316 transitions. [2023-02-15 19:21:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-02-15 19:21:38,004 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,004 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-02-15 19:21:38,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,005 INFO L85 PathProgramCache]: Analyzing trace with hash 755662145, now seen corresponding path program 1 times [2023-02-15 19:21:38,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431837144] [2023-02-15 19:21:38,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,077 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 19:21:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431837144] [2023-02-15 19:21:38,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431837144] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:38,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:38,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:38,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703652634] [2023-02-15 19:21:38,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:38,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:38,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,080 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) [2023-02-15 19:21:38,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,176 INFO L93 Difference]: Finished difference Result 485 states and 686 transitions. [2023-02-15 19:21:38,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:38,177 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 [2023-02-15 19:21:38,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,178 INFO L225 Difference]: With dead ends: 485 [2023-02-15 19:21:38,178 INFO L226 Difference]: Without dead ends: 265 [2023-02-15 19:21:38,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,179 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:38,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 298 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-02-15 19:21:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 253. [2023-02-15 19:21:38,185 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) [2023-02-15 19:21:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 346 transitions. [2023-02-15 19:21:38,186 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 346 transitions. Word has length 101 [2023-02-15 19:21:38,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,186 INFO L495 AbstractCegarLoop]: Abstraction has 253 states and 346 transitions. [2023-02-15 19:21:38,186 INFO L496 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) [2023-02-15 19:21:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2023-02-15 19:21:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:38,187 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,187 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-02-15 19:21:38,188 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2023-02-15 19:21:38,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714376713] [2023-02-15 19:21:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-02-15 19:21:38,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714376713] [2023-02-15 19:21:38,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714376713] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:38,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:38,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:38,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616620119] [2023-02-15 19:21:38,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:38,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:38,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,237 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) [2023-02-15 19:21:38,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,264 INFO L93 Difference]: Finished difference Result 739 states and 1011 transitions. [2023-02-15 19:21:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:38,265 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 [2023-02-15 19:21:38,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,266 INFO L225 Difference]: With dead ends: 739 [2023-02-15 19:21:38,266 INFO L226 Difference]: Without dead ends: 494 [2023-02-15 19:21:38,267 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,267 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:38,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 487 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:21:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2023-02-15 19:21:38,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2023-02-15 19:21:38,275 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) [2023-02-15 19:21:38,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 672 transitions. [2023-02-15 19:21:38,276 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 672 transitions. Word has length 121 [2023-02-15 19:21:38,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,276 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 672 transitions. [2023-02-15 19:21:38,277 INFO L496 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) [2023-02-15 19:21:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 672 transitions. [2023-02-15 19:21:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:38,278 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,278 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-02-15 19:21:38,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,279 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2023-02-15 19:21:38,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309905929] [2023-02-15 19:21:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 19:21:38,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309905929] [2023-02-15 19:21:38,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309905929] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:38,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:38,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:38,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067132505] [2023-02-15 19:21:38,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:38,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:38,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,346 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) [2023-02-15 19:21:38,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,367 INFO L93 Difference]: Finished difference Result 1219 states and 1660 transitions. [2023-02-15 19:21:38,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:38,367 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 [2023-02-15 19:21:38,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,369 INFO L225 Difference]: With dead ends: 1219 [2023-02-15 19:21:38,370 INFO L226 Difference]: Without dead ends: 733 [2023-02-15 19:21:38,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,371 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:38,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 453 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:21:38,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2023-02-15 19:21:38,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2023-02-15 19:21:38,380 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) [2023-02-15 19:21:38,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 995 transitions. [2023-02-15 19:21:38,382 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 995 transitions. Word has length 121 [2023-02-15 19:21:38,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,382 INFO L495 AbstractCegarLoop]: Abstraction has 733 states and 995 transitions. [2023-02-15 19:21:38,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:38,383 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 995 transitions. [2023-02-15 19:21:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:38,384 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,384 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-02-15 19:21:38,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1728089839, now seen corresponding path program 1 times [2023-02-15 19:21:38,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10262373] [2023-02-15 19:21:38,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,423 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-02-15 19:21:38,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10262373] [2023-02-15 19:21:38,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10262373] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:38,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:38,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:38,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182904804] [2023-02-15 19:21:38,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:38,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:38,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,425 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) [2023-02-15 19:21:38,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,443 INFO L93 Difference]: Finished difference Result 1482 states and 2008 transitions. [2023-02-15 19:21:38,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:38,443 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 [2023-02-15 19:21:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,445 INFO L225 Difference]: With dead ends: 1482 [2023-02-15 19:21:38,445 INFO L226 Difference]: Without dead ends: 757 [2023-02-15 19:21:38,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,447 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:38,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 382 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:21:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-02-15 19:21:38,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2023-02-15 19:21:38,457 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) [2023-02-15 19:21:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1024 transitions. [2023-02-15 19:21:38,459 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1024 transitions. Word has length 121 [2023-02-15 19:21:38,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,459 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 1024 transitions. [2023-02-15 19:21:38,459 INFO L496 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) [2023-02-15 19:21:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1024 transitions. [2023-02-15 19:21:38,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-02-15 19:21:38,461 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,461 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-02-15 19:21:38,461 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,462 INFO L85 PathProgramCache]: Analyzing trace with hash -305304207, now seen corresponding path program 1 times [2023-02-15 19:21:38,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433000037] [2023-02-15 19:21:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,487 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-02-15 19:21:38,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433000037] [2023-02-15 19:21:38,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433000037] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:38,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:38,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:38,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010297170] [2023-02-15 19:21:38,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:38,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:38,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,489 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) [2023-02-15 19:21:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,505 INFO L93 Difference]: Finished difference Result 1519 states and 2050 transitions. [2023-02-15 19:21:38,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:38,506 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 [2023-02-15 19:21:38,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,508 INFO L225 Difference]: With dead ends: 1519 [2023-02-15 19:21:38,508 INFO L226 Difference]: Without dead ends: 770 [2023-02-15 19:21:38,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,509 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:38,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 362 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:21:38,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2023-02-15 19:21:38,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2023-02-15 19:21:38,519 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) [2023-02-15 19:21:38,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1037 transitions. [2023-02-15 19:21:38,521 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1037 transitions. Word has length 121 [2023-02-15 19:21:38,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,521 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 1037 transitions. [2023-02-15 19:21:38,521 INFO L496 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) [2023-02-15 19:21:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1037 transitions. [2023-02-15 19:21:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-02-15 19:21:38,523 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,523 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-02-15 19:21:38,523 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:38,524 INFO L85 PathProgramCache]: Analyzing trace with hash -247255522, now seen corresponding path program 1 times [2023-02-15 19:21:38,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:38,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428994920] [2023-02-15 19:21:38,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:38,546 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:38,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67263115] [2023-02-15 19:21:38,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:38,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:38,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:38,568 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) [2023-02-15 19:21:38,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 19:21:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:38,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:38,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:38,695 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-02-15 19:21:38,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:38,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:38,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428994920] [2023-02-15 19:21:38,696 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:38,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67263115] [2023-02-15 19:21:38,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67263115] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:38,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:38,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:38,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026247667] [2023-02-15 19:21:38,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:38,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:38,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:38,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:38,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:38,698 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) [2023-02-15 19:21:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:38,815 INFO L93 Difference]: Finished difference Result 1632 states and 2247 transitions. [2023-02-15 19:21:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:38,816 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 [2023-02-15 19:21:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:38,818 INFO L225 Difference]: With dead ends: 1632 [2023-02-15 19:21:38,818 INFO L226 Difference]: Without dead ends: 883 [2023-02-15 19:21:38,819 INFO L412 NwaCegarLoop]: 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 [2023-02-15 19:21:38,819 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:38,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 283 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2023-02-15 19:21:38,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 852. [2023-02-15 19:21:38,830 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) [2023-02-15 19:21:38,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1135 transitions. [2023-02-15 19:21:38,832 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1135 transitions. Word has length 159 [2023-02-15 19:21:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:38,832 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1135 transitions. [2023-02-15 19:21:38,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1135 transitions. [2023-02-15 19:21:38,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-02-15 19:21:38,834 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:38,834 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:38,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-15 19:21:39,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-15 19:21:39,039 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:39,040 INFO L85 PathProgramCache]: Analyzing trace with hash -485577875, now seen corresponding path program 1 times [2023-02-15 19:21:39,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:39,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752677794] [2023-02-15 19:21:39,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:39,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:39,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752677794] [2023-02-15 19:21:39,057 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:39,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655542791] [2023-02-15 19:21:39,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:39,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:39,059 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) [2023-02-15 19:21:39,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 19:21:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:39,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:39,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-02-15 19:21:39,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:39,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655542791] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:39,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:39,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:39,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093114732] [2023-02-15 19:21:39,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:39,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:39,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:39,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:39,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:39,172 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) [2023-02-15 19:21:39,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:39,299 INFO L93 Difference]: Finished difference Result 1850 states and 2535 transitions. [2023-02-15 19:21:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:39,299 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 [2023-02-15 19:21:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:39,302 INFO L225 Difference]: With dead ends: 1850 [2023-02-15 19:21:39,302 INFO L226 Difference]: Without dead ends: 1016 [2023-02-15 19:21:39,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:39,303 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:39,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 150 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:39,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2023-02-15 19:21:39,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1002. [2023-02-15 19:21:39,316 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) [2023-02-15 19:21:39,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1387 transitions. [2023-02-15 19:21:39,318 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1387 transitions. Word has length 171 [2023-02-15 19:21:39,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:39,318 INFO L495 AbstractCegarLoop]: Abstraction has 1002 states and 1387 transitions. [2023-02-15 19:21:39,318 INFO L496 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) [2023-02-15 19:21:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1387 transitions. [2023-02-15 19:21:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-02-15 19:21:39,321 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:39,321 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:39,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:39,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-15 19:21:39,526 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:39,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:39,526 INFO L85 PathProgramCache]: Analyzing trace with hash 118327499, now seen corresponding path program 1 times [2023-02-15 19:21:39,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:39,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565114240] [2023-02-15 19:21:39,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:39,548 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:39,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839057209] [2023-02-15 19:21:39,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:39,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:39,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:39,567 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) [2023-02-15 19:21:39,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 19:21:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:39,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:39,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:39,697 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-02-15 19:21:39,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:39,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:39,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565114240] [2023-02-15 19:21:39,698 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:39,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839057209] [2023-02-15 19:21:39,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839057209] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:39,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:39,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:39,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092500115] [2023-02-15 19:21:39,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:39,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:39,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:39,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:39,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:39,700 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) [2023-02-15 19:21:39,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:39,820 INFO L93 Difference]: Finished difference Result 2112 states and 2980 transitions. [2023-02-15 19:21:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:39,820 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 [2023-02-15 19:21:39,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:39,823 INFO L225 Difference]: With dead ends: 2112 [2023-02-15 19:21:39,823 INFO L226 Difference]: Without dead ends: 1098 [2023-02-15 19:21:39,824 INFO L412 NwaCegarLoop]: 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 [2023-02-15 19:21:39,825 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:39,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 292 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2023-02-15 19:21:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1095. [2023-02-15 19:21:39,838 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) [2023-02-15 19:21:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1501 transitions. [2023-02-15 19:21:39,840 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1501 transitions. Word has length 201 [2023-02-15 19:21:39,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:39,841 INFO L495 AbstractCegarLoop]: Abstraction has 1095 states and 1501 transitions. [2023-02-15 19:21:39,841 INFO L496 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) [2023-02-15 19:21:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1501 transitions. [2023-02-15 19:21:39,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2023-02-15 19:21:39,843 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:39,843 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:39,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:40,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:40,049 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:40,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:40,049 INFO L85 PathProgramCache]: Analyzing trace with hash 810941761, now seen corresponding path program 1 times [2023-02-15 19:21:40,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:40,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349327632] [2023-02-15 19:21:40,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:40,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:40,062 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:40,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273060684] [2023-02-15 19:21:40,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:40,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:40,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:40,078 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) [2023-02-15 19:21:40,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 19:21:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:40,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:40,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-02-15 19:21:40,210 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:40,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:40,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349327632] [2023-02-15 19:21:40,211 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:40,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273060684] [2023-02-15 19:21:40,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273060684] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:40,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:40,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:40,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960792424] [2023-02-15 19:21:40,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:40,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:40,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:40,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:40,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:40,213 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) [2023-02-15 19:21:40,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:40,306 INFO L93 Difference]: Finished difference Result 2262 states and 3091 transitions. [2023-02-15 19:21:40,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:40,307 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 [2023-02-15 19:21:40,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:40,309 INFO L225 Difference]: With dead ends: 2262 [2023-02-15 19:21:40,310 INFO L226 Difference]: Without dead ends: 1090 [2023-02-15 19:21:40,311 INFO L412 NwaCegarLoop]: 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 [2023-02-15 19:21:40,311 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:40,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 299 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:40,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2023-02-15 19:21:40,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2023-02-15 19:21:40,324 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) [2023-02-15 19:21:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1488 transitions. [2023-02-15 19:21:40,326 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1488 transitions. Word has length 257 [2023-02-15 19:21:40,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:40,326 INFO L495 AbstractCegarLoop]: Abstraction has 1090 states and 1488 transitions. [2023-02-15 19:21:40,326 INFO L496 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) [2023-02-15 19:21:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1488 transitions. [2023-02-15 19:21:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2023-02-15 19:21:40,328 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:40,329 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:40,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-15 19:21:40,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:40,533 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:40,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2023-02-15 19:21:40,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:40,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808003464] [2023-02-15 19:21:40,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:40,545 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:40,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [409819155] [2023-02-15 19:21:40,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:40,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:40,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:40,546 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) [2023-02-15 19:21:40,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-15 19:21:40,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:40,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:40,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-02-15 19:21:40,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:40,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:40,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808003464] [2023-02-15 19:21:40,854 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:40,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409819155] [2023-02-15 19:21:40,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409819155] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:40,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:40,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:40,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073591939] [2023-02-15 19:21:40,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:40,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:40,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:40,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:40,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:40,869 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) [2023-02-15 19:21:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:40,894 INFO L93 Difference]: Finished difference Result 3111 states and 4277 transitions. [2023-02-15 19:21:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:40,895 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 [2023-02-15 19:21:40,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:40,898 INFO L225 Difference]: With dead ends: 3111 [2023-02-15 19:21:40,898 INFO L226 Difference]: Without dead ends: 1383 [2023-02-15 19:21:40,901 INFO L412 NwaCegarLoop]: 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 [2023-02-15 19:21:40,901 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:40,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 510 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 19:21:40,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2023-02-15 19:21:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1381. [2023-02-15 19:21:40,926 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) [2023-02-15 19:21:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1890 transitions. [2023-02-15 19:21:40,928 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1890 transitions. Word has length 269 [2023-02-15 19:21:40,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:40,928 INFO L495 AbstractCegarLoop]: Abstraction has 1381 states and 1890 transitions. [2023-02-15 19:21:40,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:40,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1890 transitions. [2023-02-15 19:21:40,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2023-02-15 19:21:40,931 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:40,931 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:40,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-02-15 19:21:41,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-02-15 19:21:41,136 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:41,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:41,137 INFO L85 PathProgramCache]: Analyzing trace with hash 746936446, now seen corresponding path program 1 times [2023-02-15 19:21:41,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:41,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95654133] [2023-02-15 19:21:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:41,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:41,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:41,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95654133] [2023-02-15 19:21:41,166 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:41,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384456850] [2023-02-15 19:21:41,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:41,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:41,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:41,167 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) [2023-02-15 19:21:41,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-15 19:21:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:41,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:41,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2023-02-15 19:21:41,283 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:41,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384456850] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:41,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:41,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:41,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450490619] [2023-02-15 19:21:41,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:41,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:41,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:41,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:41,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:41,285 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) [2023-02-15 19:21:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:41,382 INFO L93 Difference]: Finished difference Result 2877 states and 3987 transitions. [2023-02-15 19:21:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:41,382 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 [2023-02-15 19:21:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:41,386 INFO L225 Difference]: With dead ends: 2877 [2023-02-15 19:21:41,386 INFO L226 Difference]: Without dead ends: 1517 [2023-02-15 19:21:41,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:41,387 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:41,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 293 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2023-02-15 19:21:41,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1489. [2023-02-15 19:21:41,423 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) [2023-02-15 19:21:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2018 transitions. [2023-02-15 19:21:41,425 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2018 transitions. Word has length 315 [2023-02-15 19:21:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:41,426 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 2018 transitions. [2023-02-15 19:21:41,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2018 transitions. [2023-02-15 19:21:41,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-02-15 19:21:41,429 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:41,429 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:41,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:41,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-02-15 19:21:41,634 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:41,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:41,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1865013778, now seen corresponding path program 1 times [2023-02-15 19:21:41,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:41,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120917652] [2023-02-15 19:21:41,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:41,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:41,648 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:41,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773063035] [2023-02-15 19:21:41,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:41,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:41,650 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) [2023-02-15 19:21:41,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-15 19:21:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:41,744 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:41,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:41,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2023-02-15 19:21:41,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:41,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120917652] [2023-02-15 19:21:41,776 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773063035] [2023-02-15 19:21:41,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773063035] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:41,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:41,777 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:41,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552673481] [2023-02-15 19:21:41,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:41,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:41,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:41,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:41,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:41,778 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) [2023-02-15 19:21:41,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:41,872 INFO L93 Difference]: Finished difference Result 3081 states and 4219 transitions. [2023-02-15 19:21:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:41,872 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 [2023-02-15 19:21:41,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:41,876 INFO L225 Difference]: With dead ends: 3081 [2023-02-15 19:21:41,876 INFO L226 Difference]: Without dead ends: 1613 [2023-02-15 19:21:41,877 INFO L412 NwaCegarLoop]: 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 [2023-02-15 19:21:41,878 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:41,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:41,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2023-02-15 19:21:41,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1605. [2023-02-15 19:21:41,902 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) [2023-02-15 19:21:41,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2154 transitions. [2023-02-15 19:21:41,905 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2154 transitions. Word has length 338 [2023-02-15 19:21:41,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:41,905 INFO L495 AbstractCegarLoop]: Abstraction has 1605 states and 2154 transitions. [2023-02-15 19:21:41,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:41,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2154 transitions. [2023-02-15 19:21:41,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2023-02-15 19:21:41,908 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:41,909 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:41,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:42,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:42,114 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:42,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:42,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2023-02-15 19:21:42,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:42,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096164204] [2023-02-15 19:21:42,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:42,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:42,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:42,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096164204] [2023-02-15 19:21:42,146 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:42,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191206442] [2023-02-15 19:21:42,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:42,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:42,149 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) [2023-02-15 19:21:42,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-15 19:21:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:42,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 599 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:42,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-02-15 19:21:42,348 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:21:42,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-02-15 19:21:42,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191206442] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:21:42,406 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 19:21:42,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-15 19:21:42,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404012537] [2023-02-15 19:21:42,406 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 19:21:42,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 19:21:42,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:42,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 19:21:42,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 19:21:42,407 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) [2023-02-15 19:21:42,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:42,760 INFO L93 Difference]: Finished difference Result 5409 states and 7434 transitions. [2023-02-15 19:21:42,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-15 19:21:42,760 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 [2023-02-15 19:21:42,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:42,769 INFO L225 Difference]: With dead ends: 5409 [2023-02-15 19:21:42,769 INFO L226 Difference]: Without dead ends: 3652 [2023-02-15 19:21:42,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 746 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-02-15 19:21:42,771 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 545 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 545 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:42,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [545 Valid, 590 Invalid, 611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 19:21:42,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2023-02-15 19:21:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 2133. [2023-02-15 19:21:42,804 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) [2023-02-15 19:21:42,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3029 transitions. [2023-02-15 19:21:42,807 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3029 transitions. Word has length 370 [2023-02-15 19:21:42,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:42,807 INFO L495 AbstractCegarLoop]: Abstraction has 2133 states and 3029 transitions. [2023-02-15 19:21:42,807 INFO L496 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) [2023-02-15 19:21:42,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3029 transitions. [2023-02-15 19:21:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2023-02-15 19:21:42,811 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:42,812 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:42,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-02-15 19:21:43,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-02-15 19:21:43,039 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:43,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:43,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2023-02-15 19:21:43,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:43,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238680395] [2023-02-15 19:21:43,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:43,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:43,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:43,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238680395] [2023-02-15 19:21:43,093 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:43,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856318771] [2023-02-15 19:21:43,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:43,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:43,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:43,095 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:43,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-15 19:21:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:43,251 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:43,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2023-02-15 19:21:43,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:43,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856318771] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:43,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:43,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:43,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726858925] [2023-02-15 19:21:43,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:43,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:43,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:43,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:43,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:43,290 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) [2023-02-15 19:21:43,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:43,382 INFO L93 Difference]: Finished difference Result 4569 states and 6591 transitions. [2023-02-15 19:21:43,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:43,382 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 [2023-02-15 19:21:43,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:43,388 INFO L225 Difference]: With dead ends: 4569 [2023-02-15 19:21:43,388 INFO L226 Difference]: Without dead ends: 2457 [2023-02-15 19:21:43,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 468 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:43,390 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:43,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:43,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2023-02-15 19:21:43,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2439. [2023-02-15 19:21:43,425 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) [2023-02-15 19:21:43,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3380 transitions. [2023-02-15 19:21:43,428 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3380 transitions. Word has length 470 [2023-02-15 19:21:43,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:43,428 INFO L495 AbstractCegarLoop]: Abstraction has 2439 states and 3380 transitions. [2023-02-15 19:21:43,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:43,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3380 transitions. [2023-02-15 19:21:43,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2023-02-15 19:21:43,431 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:43,432 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:43,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-02-15 19:21:43,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-02-15 19:21:43,638 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:43,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:43,639 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2023-02-15 19:21:43,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:43,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389167701] [2023-02-15 19:21:43,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:43,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:43,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:43,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389167701] [2023-02-15 19:21:43,678 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:43,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890376413] [2023-02-15 19:21:43,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:43,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:43,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:43,698 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:43,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-15 19:21:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:43,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:43,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:43,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2023-02-15 19:21:43,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:43,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890376413] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:43,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:43,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:43,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057974858] [2023-02-15 19:21:43,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:43,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:43,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:43,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:43,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:43,918 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) [2023-02-15 19:21:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:44,015 INFO L93 Difference]: Finished difference Result 5044 states and 7061 transitions. [2023-02-15 19:21:44,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:44,016 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 [2023-02-15 19:21:44,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:44,022 INFO L225 Difference]: With dead ends: 5044 [2023-02-15 19:21:44,022 INFO L226 Difference]: Without dead ends: 2626 [2023-02-15 19:21:44,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:44,024 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:44,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:44,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2023-02-15 19:21:44,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2256. [2023-02-15 19:21:44,057 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) [2023-02-15 19:21:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3082 transitions. [2023-02-15 19:21:44,059 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3082 transitions. Word has length 532 [2023-02-15 19:21:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:44,060 INFO L495 AbstractCegarLoop]: Abstraction has 2256 states and 3082 transitions. [2023-02-15 19:21:44,060 INFO L496 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) [2023-02-15 19:21:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3082 transitions. [2023-02-15 19:21:44,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2023-02-15 19:21:44,063 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:44,064 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:44,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:44,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:44,269 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:44,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:44,270 INFO L85 PathProgramCache]: Analyzing trace with hash 478731582, now seen corresponding path program 1 times [2023-02-15 19:21:44,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:44,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603933815] [2023-02-15 19:21:44,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:44,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:44,299 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 19:21:44,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389184154] [2023-02-15 19:21:44,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:44,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:44,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:44,307 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:44,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-15 19:21:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:44,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:44,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3956 backedges. 2220 proven. 0 refuted. 0 times theorem prover too weak. 1736 trivial. 0 not checked. [2023-02-15 19:21:44,494 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:44,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:44,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603933815] [2023-02-15 19:21:44,494 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 19:21:44,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389184154] [2023-02-15 19:21:44,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389184154] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:44,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:44,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:44,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300391397] [2023-02-15 19:21:44,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:44,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:44,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:44,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:44,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:44,497 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) [2023-02-15 19:21:44,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:44,629 INFO L93 Difference]: Finished difference Result 4127 states and 5520 transitions. [2023-02-15 19:21:44,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:44,630 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 [2023-02-15 19:21:44,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:44,634 INFO L225 Difference]: With dead ends: 4127 [2023-02-15 19:21:44,634 INFO L226 Difference]: Without dead ends: 1776 [2023-02-15 19:21:44,636 INFO L412 NwaCegarLoop]: 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 [2023-02-15 19:21:44,636 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:44,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:44,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2023-02-15 19:21:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2023-02-15 19:21:44,658 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) [2023-02-15 19:21:44,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2231 transitions. [2023-02-15 19:21:44,660 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2231 transitions. Word has length 588 [2023-02-15 19:21:44,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:44,660 INFO L495 AbstractCegarLoop]: Abstraction has 1776 states and 2231 transitions. [2023-02-15 19:21:44,660 INFO L496 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) [2023-02-15 19:21:44,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2231 transitions. [2023-02-15 19:21:44,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2023-02-15 19:21:44,663 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:44,664 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:44,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:44,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:44,870 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:44,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:44,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2023-02-15 19:21:44,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:44,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070645353] [2023-02-15 19:21:44,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:44,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:44,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:44,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070645353] [2023-02-15 19:21:44,916 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:44,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499691542] [2023-02-15 19:21:44,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:44,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:44,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:44,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:44,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-02-15 19:21:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:45,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 3 conjunts are in the unsatisfiable core [2023-02-15 19:21:45,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2023-02-15 19:21:45,123 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 19:21:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2023-02-15 19:21:45,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1499691542] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 19:21:45,181 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 19:21:45,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-02-15 19:21:45,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134719956] [2023-02-15 19:21:45,181 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 19:21:45,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-02-15 19:21:45,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:45,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-02-15 19:21:45,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-15 19:21:45,183 INFO L87 Difference]: Start difference. First operand 1776 states and 2231 transitions. Second operand has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:45,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:45,549 INFO L93 Difference]: Finished difference Result 5510 states and 7035 transitions. [2023-02-15 19:21:45,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-15 19:21:45,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 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 [2023-02-15 19:21:45,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:45,581 INFO L225 Difference]: With dead ends: 5510 [2023-02-15 19:21:45,581 INFO L226 Difference]: Without dead ends: 3642 [2023-02-15 19:21:45,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1200 GetRequests, 1193 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-02-15 19:21:45,584 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 332 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 968 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-15 19:21:45,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 968 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-15 19:21:45,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2023-02-15 19:21:45,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 2178. [2023-02-15 19:21:45,616 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) [2023-02-15 19:21:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2852 transitions. [2023-02-15 19:21:45,618 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2852 transitions. Word has length 598 [2023-02-15 19:21:45,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:45,618 INFO L495 AbstractCegarLoop]: Abstraction has 2178 states and 2852 transitions. [2023-02-15 19:21:45,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 19:21:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2852 transitions. [2023-02-15 19:21:45,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-02-15 19:21:45,633 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 19:21:45,633 INFO L195 NwaCegarLoop]: 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] [2023-02-15 19:21:45,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-02-15 19:21:45,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-02-15 19:21:45,839 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 19:21:45,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 19:21:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash 465535293, now seen corresponding path program 1 times [2023-02-15 19:21:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 19:21:45,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937752007] [2023-02-15 19:21:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:45,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 19:21:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:45,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 19:21:45,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937752007] [2023-02-15 19:21:45,887 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-15 19:21:45,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [95258695] [2023-02-15 19:21:45,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 19:21:45,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 19:21:45,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 19:21:45,889 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 19:21:45,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-02-15 19:21:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 19:21:46,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-15 19:21:46,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 19:21:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 5990 backedges. 3252 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2023-02-15 19:21:46,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-15 19:21:46,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [95258695] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 19:21:46,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 19:21:46,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-02-15 19:21:46,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899511672] [2023-02-15 19:21:46,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 19:21:46,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-02-15 19:21:46,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 19:21:46,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-02-15 19:21:46,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:46,095 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) [2023-02-15 19:21:46,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 19:21:46,180 INFO L93 Difference]: Finished difference Result 2777 states and 3618 transitions. [2023-02-15 19:21:46,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-02-15 19:21:46,181 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 [2023-02-15 19:21:46,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 19:21:46,182 INFO L225 Difference]: With dead ends: 2777 [2023-02-15 19:21:46,182 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 19:21:46,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-02-15 19:21:46,184 INFO L413 NwaCegarLoop]: 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 [2023-02-15 19:21:46,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 146 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 19:21:46,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 19:21:46,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 19:21:46,185 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) [2023-02-15 19:21:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 19:21:46,185 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 722 [2023-02-15 19:21:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 19:21:46,185 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 19:21:46,185 INFO L496 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) [2023-02-15 19:21:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 19:21:46,186 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 19:21:46,187 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 19:21:46,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-02-15 19:21:46,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-02-15 19:21:46,396 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 19:21:48,068 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2023-02-15 19:21:48,068 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2023-02-15 19:21:48,068 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2023-02-15 19:21:48,068 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8593#1(lines 184 611) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse3 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 .cse3) (and .cse0 .cse3 .cse1) (and .cse2 .cse1))) [2023-02-15 19:21:48,068 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8529#1(lines 157 620) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8497#1(lines 145 624) the Hoare annotation is: (let ((.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse4 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and .cse3 .cse2 .cse4) (and .cse0 .cse1 .cse5) (and .cse3 .cse5 .cse4))) [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L902 garLoopResultBuilder]: At program point L667(lines 74 684) the Hoare annotation is: true [2023-02-15 19:21:48,069 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8482#1(lines 133 628) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2023-02-15 19:21:48,069 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L895 garLoopResultBuilder]: At program point L373(lines 356 391) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2023-02-15 19:21:48,070 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L895 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse5 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse6 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse8 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (and .cse0 .cse2) (and .cse3 .cse4) (and (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse1) (and .cse5 .cse0 .cse6) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) .cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse3 .cse2) (and .cse0 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse4) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse8 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse3 .cse7) (and .cse5 .cse3 .cse6) (and .cse0 .cse3) (and .cse8 .cse0))) [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 686 697) the Hoare annotation is: true [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8481#1(lines 127 630) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2023-02-15 19:21:48,071 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8657#1(lines 202 605) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~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 .cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and .cse0 .cse2 .cse1))) [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2023-02-15 19:21:48,072 INFO L899 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L895 garLoopResultBuilder]: At program point L417(lines 408 428) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L902 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_3#1(lines 214 601) the Hoare annotation is: true [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L895 garLoopResultBuilder]: At program point $Ultimate##173(lines 449 461) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse1 .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse2 .cse1 .cse0) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse0))) [2023-02-15 19:21:48,073 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_switch_1_default#1(lines 217 600) the Hoare annotation is: true [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L895 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: (let ((.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1))) [2023-02-15 19:21:48,073 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8577#1(lines 178 613) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~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 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (and .cse0 .cse2 .cse1))) [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 19:21:48,073 INFO L899 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8641#1(lines 196 607) the Hoare annotation is: (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_ERROR#1(lines 74 684) the Hoare annotation is: false [2023-02-15 19:21:48,074 INFO L902 garLoopResultBuilder]: At program point ssl3_accept_returnLabel#1(lines 19 685) the Hoare annotation is: true [2023-02-15 19:21:48,074 INFO L895 garLoopResultBuilder]: At program point $Ultimate##127(lines 335 344) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8673#1(lines 208 603) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2023-02-15 19:21:48,074 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8609#1(lines 190 609) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse3 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (.cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 .cse3) (and .cse0 .cse3 .cse1) (and .cse2 .cse1))) [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##155(lines 397 434) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,075 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8466#1(lines 136 627) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 (= 0 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse1 .cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse1 .cse3 .cse2) (and .cse0 .cse3 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,075 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_12292#1(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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|) .cse0 .cse1) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2023-02-15 19:21:48,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##163(lines 408 428) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L895 garLoopResultBuilder]: At program point $Ultimate##219(lines 636 664) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse5 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse0 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (and .cse0 .cse1) (and .cse2 .cse3) (and .cse4 .cse0 .cse5) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) .cse3 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (and .cse2 .cse1) (and .cse0 .cse6) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse0) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse7 (= 1 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|)) (and .cse2 .cse6) (and .cse4 .cse2 .cse5) (and .cse0 .cse2) (and .cse7 .cse0))) [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2023-02-15 19:21:48,075 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L895 garLoopResultBuilder]: At program point ssl3_accept_switch_1_8561#1(lines 169 616) 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 (= 2 |ULTIMATE.start_ssl3_accept_~blastFlag~0#1|))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 .cse1) (and .cse2 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (not (<= 8576 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))))) [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2023-02-15 19:21:48,076 INFO L899 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2023-02-15 19:21:48,078 INFO L445 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] [2023-02-15 19:21:48,079 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 19:21:48,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 07:21:48 BoogieIcfgContainer [2023-02-15 19:21:48,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 19:21:48,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 19:21:48,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 19:21:48,095 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 19:21:48,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 07:21:36" (3/4) ... [2023-02-15 19:21:48,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 19:21:48,106 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-02-15 19:21:48,107 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-15 19:21:48,107 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-15 19:21:48,108 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 19:21:48,176 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 19:21:48,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 19:21:48,177 INFO L158 Benchmark]: Toolchain (without parser) took 12413.53ms. Allocated memory was 113.2MB in the beginning and 333.4MB in the end (delta: 220.2MB). Free memory was 79.4MB in the beginning and 283.3MB in the end (delta: -203.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,177 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 84.3MB in the beginning and 84.1MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 19:21:48,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.91ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 63.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.82ms. Allocated memory is still 113.2MB. Free memory was 63.6MB in the beginning and 60.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,178 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,178 INFO L158 Benchmark]: RCFGBuilder took 590.34ms. Allocated memory is still 113.2MB. Free memory was 58.4MB in the beginning and 58.6MB in the end (delta: -198.6kB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,178 INFO L158 Benchmark]: TraceAbstraction took 11367.74ms. Allocated memory was 113.2MB in the beginning and 333.4MB in the end (delta: 220.2MB). Free memory was 58.0MB in the beginning and 290.7MB in the end (delta: -232.7MB). Peak memory consumption was 179.9MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,179 INFO L158 Benchmark]: Witness Printer took 81.94ms. Allocated memory is still 333.4MB. Free memory was 290.7MB in the beginning and 283.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-15 19:21:48,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory was 84.3MB in the beginning and 84.1MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.91ms. Allocated memory is still 113.2MB. Free memory was 79.0MB in the beginning and 63.6MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.82ms. Allocated memory is still 113.2MB. Free memory was 63.6MB in the beginning and 60.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 113.2MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.34ms. Allocated memory is still 113.2MB. Free memory was 58.4MB in the beginning and 58.6MB in the end (delta: -198.6kB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * TraceAbstraction took 11367.74ms. Allocated memory was 113.2MB in the beginning and 333.4MB in the end (delta: 220.2MB). Free memory was 58.0MB in the beginning and 290.7MB in the end (delta: -232.7MB). Peak memory consumption was 179.9MB. Max. memory is 16.1GB. * Witness Printer took 81.94ms. Allocated memory is still 333.4MB. Free memory was 290.7MB in the beginning and 283.3MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. 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: 11.3s, OverallIterations: 22, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1809 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1809 mSDsluCounter, 7877 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3241 mSDsCounter, 559 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2864 IncrementalHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 559 mSolverCounterUnsat, 4636 mSDtfsCounter, 2864 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5984 GetRequests, 5949 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 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, 988 HoareAnnotationTreeSize, 29 FomulaSimplifications, 1533 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 29 FomulaSimplificationsInter, 2974 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 9019 NumberOfCodeBlocks, 9019 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 6785 ConstructedInterpolants, 0 QuantifiedInterpolants, 8701 SizeOfPredicates, 2 NumberOfNonLiveVariables, 8081 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 24 InterpolantComputations, 20 PerfectInterpolantSequences, 30777/30881 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: 112]: Loop Invariant Derived loop invariant: ((2 == blastFlag && 8672 <= s__state) && !(0 == s__hit)) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state))) || ((s__state <= 8672 && !(0 == s__hit)) && 1 == blastFlag)) || ((8448 <= s__state && 1 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((8448 <= s__state && s__state < 8656) && 2 == blastFlag)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || (s__state < 8656 && !(0 == s__hit)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((8448 <= s__state && s__state < 8656) && 2 == blastFlag)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || (s__state < 8656 && !(0 == s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((8448 <= s__state && 0 == blastFlag) && s__state < 8576) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || (((8448 <= s__state && s__state < 8656) && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((2 == blastFlag && 8672 <= s__state) && !(0 == s__hit)) || (8672 <= s__state && blastFlag == 3) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: (((((((((((((((((((2 == blastFlag && s__state == 8464) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (2 == blastFlag && s__state == 8656)) || (2 == blastFlag && s__state == 8608)) || (!(0 == s__hit) && blastFlag == 3)) || ((s__state < 8656 && 2 == blastFlag) && 8640 <= s__state)) || (2 == blastFlag && s__state == 8528)) || s__state <= 3) || (2 == blastFlag && s__state == 8560)) || (((8448 <= s__state && s__state <= 8448) && blastFlag == 3) && s__s3__tmp__next_state___0 <= 3)) || (!(0 == s__hit) && s__state == 8608)) || (2 == blastFlag && s__state == 8592)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (s__state == 8544 && 2 == blastFlag)) || (2 == blastFlag && s__state == 8512)) || (s__state == 8496 && 1 == blastFlag)) || (!(0 == s__hit) && s__state == 8592)) || ((s__state < 8656 && !(0 == s__hit)) && 8640 <= s__state)) || (2 == blastFlag && !(0 == s__hit))) || (s__state == 8496 && 2 == blastFlag) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (s__state <= 8672 && !(0 == s__hit)) || ((s__state < 8656 && 2 == blastFlag) && 8640 <= s__state) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((2 == blastFlag && s__state <= 8448) || (!(0 == s__hit) && blastFlag == 3)) || (2 == blastFlag && !(0 == s__hit)) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: s__state <= 8672 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((2 == blastFlag && 8448 <= s__state) && !(8576 <= s__state)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && 8640 <= s__state)) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit)) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: (((s__state <= 8448 && s__s3__tmp__next_state___0 <= 3) || ((!(0 == s__hit) && s__state <= 8448) && blastFlag == 3)) || ((2 == blastFlag && !(0 == s__hit)) && s__state <= 8448)) || (((8448 <= s__state && 2 == blastFlag) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((((2 == blastFlag && s__state == 8464) || ((2 == blastFlag && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8576)) || (2 == blastFlag && s__state == 8656)) || (2 == blastFlag && s__state == 8608)) || (!(0 == s__hit) && blastFlag == 3)) || (0 == blastFlag && s__state == 8464)) || ((s__state < 8656 && 2 == blastFlag) && 8640 <= s__state)) || (2 == blastFlag && s__state == 8528)) || s__state <= 3) || (2 == blastFlag && s__state == 8560)) || (((8448 <= s__state && s__state <= 8448) && blastFlag == 3) && s__s3__tmp__next_state___0 <= 3)) || (!(0 == s__hit) && s__state == 8608)) || (2 == blastFlag && s__state == 8592)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (s__state == 8544 && 2 == blastFlag)) || (2 == blastFlag && s__state == 8512)) || (s__state == 8496 && 1 == blastFlag)) || (!(0 == s__hit) && s__state == 8592)) || ((s__state < 8656 && !(0 == s__hit)) && 8640 <= s__state)) || (2 == blastFlag && !(0 == s__hit))) || (s__state == 8496 && 2 == blastFlag) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) || ((s__state <= 8672 && 2 == blastFlag) && !(0 == s__hit))) || ((8448 <= s__state && 2 == blastFlag) && !(8576 <= s__state)) RESULT: Ultimate proved your program to be correct! [2023-02-15 19:21:48,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE