./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_2a.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 b8cfead7c1f307a9ba2676fad86c005fa434c5b4bc168c34fe90a644ea9973b2 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 21:57:08,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 21:57:08,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 21:57:08,516 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 21:57:08,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 21:57:08,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 21:57:08,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 21:57:08,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 21:57:08,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 21:57:08,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 21:57:08,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 21:57:08,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 21:57:08,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 21:57:08,532 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 21:57:08,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 21:57:08,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 21:57:08,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 21:57:08,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 21:57:08,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 21:57:08,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 21:57:08,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 21:57:08,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 21:57:08,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 21:57:08,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 21:57:08,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 21:57:08,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 21:57:08,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 21:57:08,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 21:57:08,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 21:57:08,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 21:57:08,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 21:57:08,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 21:57:08,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 21:57:08,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 21:57:08,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 21:57:08,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 21:57:08,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 21:57:08,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 21:57:08,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 21:57:08,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 21:57:08,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 21:57:08,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 21:57:08,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 21:57:08,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 21:57:08,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 21:57:08,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 21:57:08,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 21:57:08,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 21:57:08,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 21:57:08,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 21:57:08,580 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 21:57:08,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 21:57:08,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 21:57:08,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 21:57:08,581 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 21:57:08,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 21:57:08,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 21:57:08,583 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 21:57:08,583 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 21:57:08,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 21:57:08,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 21:57:08,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 21:57:08,584 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 21:57:08,584 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 21:57:08,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 21:57:08,584 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 21:57:08,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 21:57:08,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 21:57:08,585 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 21:57:08,585 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cfead7c1f307a9ba2676fad86c005fa434c5b4bc168c34fe90a644ea9973b2 [2021-12-15 21:57:08,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 21:57:08,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 21:57:08,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 21:57:08,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 21:57:08,814 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 21:57:08,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-12-15 21:57:08,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e532d686/8bd9abd17e024353aa9ef738d4ff9789/FLAGd58821551 [2021-12-15 21:57:09,236 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 21:57:09,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-12-15 21:57:09,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e532d686/8bd9abd17e024353aa9ef738d4ff9789/FLAGd58821551 [2021-12-15 21:57:09,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e532d686/8bd9abd17e024353aa9ef738d4ff9789 [2021-12-15 21:57:09,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 21:57:09,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 21:57:09,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 21:57:09,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 21:57:09,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 21:57:09,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44efdf09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09, skipping insertion in model container [2021-12-15 21:57:09,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 21:57:09,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 21:57:09,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2021-12-15 21:57:09,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 21:57:09,862 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 21:57:09,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2021-12-15 21:57:09,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 21:57:09,913 INFO L208 MainTranslator]: Completed translation [2021-12-15 21:57:09,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09 WrapperNode [2021-12-15 21:57:09,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 21:57:09,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 21:57:09,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 21:57:09,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 21:57:09,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,964 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 528 [2021-12-15 21:57:09,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 21:57:09,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 21:57:09,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 21:57:09,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 21:57:09,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,973 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:09,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 21:57:09,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 21:57:09,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 21:57:09,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 21:57:09,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (1/1) ... [2021-12-15 21:57:10,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 21:57:10,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 21:57:10,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 21:57:10,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 21:57:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 21:57:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 21:57:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 21:57:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 21:57:10,151 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 21:57:10,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 21:57:10,177 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 21:57:10,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-15 21:57:10,576 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-15 21:57:10,577 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 21:57:10,584 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 21:57:10,584 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 21:57:10,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:57:10 BoogieIcfgContainer [2021-12-15 21:57:10,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 21:57:10,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 21:57:10,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 21:57:10,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 21:57:10,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:57:09" (1/3) ... [2021-12-15 21:57:10,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f4ef6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:57:10, skipping insertion in model container [2021-12-15 21:57:10,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:57:09" (2/3) ... [2021-12-15 21:57:10,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f4ef6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:57:10, skipping insertion in model container [2021-12-15 21:57:10,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:57:10" (3/3) ... [2021-12-15 21:57:10,592 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2021-12-15 21:57:10,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 21:57:10,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 21:57:10,640 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 21:57:10,646 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 21:57:10,646 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 21:57:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-15 21:57:10,680 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:10,681 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:10,681 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:10,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1632002022, now seen corresponding path program 1 times [2021-12-15 21:57:10,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:10,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798718820] [2021-12-15 21:57:10,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:10,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 21:57:10,887 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:10,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798718820] [2021-12-15 21:57:10,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798718820] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:10,888 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:10,888 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:10,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642945378] [2021-12-15 21:57:10,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:10,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:10,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:10,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:10,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:10,913 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,072 INFO L93 Difference]: Finished difference Result 284 states and 484 transitions. [2021-12-15 21:57:11,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2021-12-15 21:57:11,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,080 INFO L225 Difference]: With dead ends: 284 [2021-12-15 21:57:11,080 INFO L226 Difference]: Without dead ends: 128 [2021-12-15 21:57:11,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,084 INFO L933 BasicCegarLoop]: 211 mSDtfsCounter, 20 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 326 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:11,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-12-15 21:57:11,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 125. [2021-12-15 21:57:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 124 states have (on average 1.4919354838709677) internal successors, (185), 124 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2021-12-15 21:57:11,121 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 44 [2021-12-15 21:57:11,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,121 INFO L470 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2021-12-15 21:57:11,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,121 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2021-12-15 21:57:11,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-15 21:57:11,122 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,123 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 21:57:11,123 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,124 INFO L85 PathProgramCache]: Analyzing trace with hash 2033157093, now seen corresponding path program 1 times [2021-12-15 21:57:11,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740656418] [2021-12-15 21:57:11,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,183 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 21:57:11,184 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740656418] [2021-12-15 21:57:11,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740656418] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,184 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148519599] [2021-12-15 21:57:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,186 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,220 INFO L93 Difference]: Finished difference Result 331 states and 502 transitions. [2021-12-15 21:57:11,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-12-15 21:57:11,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,222 INFO L225 Difference]: With dead ends: 331 [2021-12-15 21:57:11,222 INFO L226 Difference]: Without dead ends: 225 [2021-12-15 21:57:11,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,224 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 111 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 346 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:11,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2021-12-15 21:57:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2021-12-15 21:57:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 224 states have (on average 1.5) internal successors, (336), 224 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 336 transitions. [2021-12-15 21:57:11,237 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 336 transitions. Word has length 60 [2021-12-15 21:57:11,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,237 INFO L470 AbstractCegarLoop]: Abstraction has 225 states and 336 transitions. [2021-12-15 21:57:11,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,238 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 336 transitions. [2021-12-15 21:57:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-15 21:57:11,239 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,239 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 21:57:11,240 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,240 INFO L85 PathProgramCache]: Analyzing trace with hash -2013663709, now seen corresponding path program 1 times [2021-12-15 21:57:11,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320282989] [2021-12-15 21:57:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,283 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 21:57:11,285 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320282989] [2021-12-15 21:57:11,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320282989] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884551990] [2021-12-15 21:57:11,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,288 INFO L87 Difference]: Start difference. First operand 225 states and 336 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,317 INFO L93 Difference]: Finished difference Result 433 states and 652 transitions. [2021-12-15 21:57:11,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2021-12-15 21:57:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,319 INFO L225 Difference]: With dead ends: 433 [2021-12-15 21:57:11,319 INFO L226 Difference]: Without dead ends: 227 [2021-12-15 21:57:11,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,321 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 6 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 326 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:11,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2021-12-15 21:57:11,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2021-12-15 21:57:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 226 states have (on average 1.4955752212389382) internal successors, (338), 226 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 338 transitions. [2021-12-15 21:57:11,339 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 338 transitions. Word has length 60 [2021-12-15 21:57:11,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,339 INFO L470 AbstractCegarLoop]: Abstraction has 227 states and 338 transitions. [2021-12-15 21:57:11,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 338 transitions. [2021-12-15 21:57:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-15 21:57:11,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,341 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 21:57:11,342 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,342 INFO L85 PathProgramCache]: Analyzing trace with hash 64836761, now seen corresponding path program 1 times [2021-12-15 21:57:11,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716244367] [2021-12-15 21:57:11,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,387 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 21:57:11,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716244367] [2021-12-15 21:57:11,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716244367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315894012] [2021-12-15 21:57:11,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,389 INFO L87 Difference]: Start difference. First operand 227 states and 338 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,524 INFO L93 Difference]: Finished difference Result 524 states and 805 transitions. [2021-12-15 21:57:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-12-15 21:57:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,530 INFO L225 Difference]: With dead ends: 524 [2021-12-15 21:57:11,531 INFO L226 Difference]: Without dead ends: 318 [2021-12-15 21:57:11,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,535 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 14 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 272 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-12-15 21:57:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 310. [2021-12-15 21:57:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.3948220064724919) internal successors, (431), 309 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 431 transitions. [2021-12-15 21:57:11,556 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 431 transitions. Word has length 81 [2021-12-15 21:57:11,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,556 INFO L470 AbstractCegarLoop]: Abstraction has 310 states and 431 transitions. [2021-12-15 21:57:11,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 431 transitions. [2021-12-15 21:57:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-15 21:57:11,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,559 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,559 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 21:57:11,559 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,559 INFO L85 PathProgramCache]: Analyzing trace with hash 312983255, now seen corresponding path program 1 times [2021-12-15 21:57:11,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687501827] [2021-12-15 21:57:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 21:57:11,591 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687501827] [2021-12-15 21:57:11,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687501827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,591 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,591 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614107592] [2021-12-15 21:57:11,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,592 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,592 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,593 INFO L87 Difference]: Start difference. First operand 310 states and 431 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,687 INFO L93 Difference]: Finished difference Result 628 states and 882 transitions. [2021-12-15 21:57:11,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-12-15 21:57:11,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,689 INFO L225 Difference]: With dead ends: 628 [2021-12-15 21:57:11,689 INFO L226 Difference]: Without dead ends: 339 [2021-12-15 21:57:11,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,691 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 12 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 273 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:11,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2021-12-15 21:57:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 333. [2021-12-15 21:57:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 332 states have (on average 1.3825301204819278) internal successors, (459), 332 states have internal predecessors, (459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 459 transitions. [2021-12-15 21:57:11,701 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 459 transitions. Word has length 81 [2021-12-15 21:57:11,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,701 INFO L470 AbstractCegarLoop]: Abstraction has 333 states and 459 transitions. [2021-12-15 21:57:11,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,702 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2021-12-15 21:57:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-15 21:57:11,704 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,704 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 21:57:11,704 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1731331013, now seen corresponding path program 1 times [2021-12-15 21:57:11,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638079783] [2021-12-15 21:57:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,736 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-15 21:57:11,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638079783] [2021-12-15 21:57:11,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638079783] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546716109] [2021-12-15 21:57:11,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,738 INFO L87 Difference]: Start difference. First operand 333 states and 459 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,812 INFO L93 Difference]: Finished difference Result 719 states and 1015 transitions. [2021-12-15 21:57:11,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-12-15 21:57:11,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,814 INFO L225 Difference]: With dead ends: 719 [2021-12-15 21:57:11,814 INFO L226 Difference]: Without dead ends: 407 [2021-12-15 21:57:11,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,815 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 28 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 272 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2021-12-15 21:57:11,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 383. [2021-12-15 21:57:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.3586387434554974) internal successors, (519), 382 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 519 transitions. [2021-12-15 21:57:11,825 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 519 transitions. Word has length 101 [2021-12-15 21:57:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,825 INFO L470 AbstractCegarLoop]: Abstraction has 383 states and 519 transitions. [2021-12-15 21:57:11,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 519 transitions. [2021-12-15 21:57:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-15 21:57:11,826 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,827 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 21:57:11,827 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1340556462, now seen corresponding path program 1 times [2021-12-15 21:57:11,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70010672] [2021-12-15 21:57:11,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-15 21:57:11,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70010672] [2021-12-15 21:57:11,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70010672] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184831557] [2021-12-15 21:57:11,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,862 INFO L87 Difference]: Start difference. First operand 383 states and 519 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,881 INFO L93 Difference]: Finished difference Result 912 states and 1246 transitions. [2021-12-15 21:57:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-15 21:57:11,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,883 INFO L225 Difference]: With dead ends: 912 [2021-12-15 21:57:11,883 INFO L226 Difference]: Without dead ends: 550 [2021-12-15 21:57:11,883 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,884 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 111 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 482 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:11,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2021-12-15 21:57:11,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2021-12-15 21:57:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 549 states have (on average 1.360655737704918) internal successors, (747), 549 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 747 transitions. [2021-12-15 21:57:11,893 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 747 transitions. Word has length 121 [2021-12-15 21:57:11,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,893 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 747 transitions. [2021-12-15 21:57:11,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 747 transitions. [2021-12-15 21:57:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-15 21:57:11,895 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,895 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:11,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 21:57:11,895 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,896 INFO L85 PathProgramCache]: Analyzing trace with hash 2057017556, now seen corresponding path program 1 times [2021-12-15 21:57:11,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138292691] [2021-12-15 21:57:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-15 21:57:11,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:11,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138292691] [2021-12-15 21:57:11,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138292691] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:11,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:11,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:11,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961380709] [2021-12-15 21:57:11,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:11,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:11,940 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:11,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:11,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,941 INFO L87 Difference]: Start difference. First operand 550 states and 747 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:11,964 INFO L93 Difference]: Finished difference Result 1271 states and 1733 transitions. [2021-12-15 21:57:11,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:11,964 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-15 21:57:11,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:11,967 INFO L225 Difference]: With dead ends: 1271 [2021-12-15 21:57:11,967 INFO L226 Difference]: Without dead ends: 742 [2021-12-15 21:57:11,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:11,968 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 113 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:11,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 480 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:11,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2021-12-15 21:57:11,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2021-12-15 21:57:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 741 states have (on average 1.3576248313090418) internal successors, (1006), 741 states have internal predecessors, (1006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1006 transitions. [2021-12-15 21:57:11,992 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1006 transitions. Word has length 121 [2021-12-15 21:57:11,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:11,993 INFO L470 AbstractCegarLoop]: Abstraction has 742 states and 1006 transitions. [2021-12-15 21:57:11,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1006 transitions. [2021-12-15 21:57:11,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-15 21:57:11,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:11,996 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-15 21:57:11,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 21:57:11,996 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:11,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1067369758, now seen corresponding path program 1 times [2021-12-15 21:57:11,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:11,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579770475] [2021-12-15 21:57:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:11,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-12-15 21:57:12,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:12,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579770475] [2021-12-15 21:57:12,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579770475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:12,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:12,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:12,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168719826] [2021-12-15 21:57:12,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:12,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:12,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:12,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:12,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:12,045 INFO L87 Difference]: Start difference. First operand 742 states and 1006 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:12,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:12,156 INFO L93 Difference]: Finished difference Result 1592 states and 2215 transitions. [2021-12-15 21:57:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:12,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 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 183 [2021-12-15 21:57:12,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:12,159 INFO L225 Difference]: With dead ends: 1592 [2021-12-15 21:57:12,159 INFO L226 Difference]: Without dead ends: 871 [2021-12-15 21:57:12,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:12,162 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 35 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:12,162 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 267 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:12,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2021-12-15 21:57:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 865. [2021-12-15 21:57:12,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 864 states have (on average 1.3240740740740742) internal successors, (1144), 864 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:12,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1144 transitions. [2021-12-15 21:57:12,179 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1144 transitions. Word has length 183 [2021-12-15 21:57:12,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:12,179 INFO L470 AbstractCegarLoop]: Abstraction has 865 states and 1144 transitions. [2021-12-15 21:57:12,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:12,179 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1144 transitions. [2021-12-15 21:57:12,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-15 21:57:12,181 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:12,181 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-15 21:57:12,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 21:57:12,182 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:12,182 INFO L85 PathProgramCache]: Analyzing trace with hash -860101462, now seen corresponding path program 1 times [2021-12-15 21:57:12,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:12,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110248232] [2021-12-15 21:57:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-15 21:57:12,242 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:12,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110248232] [2021-12-15 21:57:12,242 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110248232] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:12,242 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:12,242 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:12,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203295017] [2021-12-15 21:57:12,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:12,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:12,243 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:12,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:12,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:12,243 INFO L87 Difference]: Start difference. First operand 865 states and 1144 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:12,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:12,352 INFO L93 Difference]: Finished difference Result 1881 states and 2567 transitions. [2021-12-15 21:57:12,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:12,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 225 [2021-12-15 21:57:12,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:12,355 INFO L225 Difference]: With dead ends: 1881 [2021-12-15 21:57:12,355 INFO L226 Difference]: Without dead ends: 989 [2021-12-15 21:57:12,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:12,357 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 36 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:12,358 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 267 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:12,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2021-12-15 21:57:12,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 989. [2021-12-15 21:57:12,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 988 states have (on average 1.3036437246963564) internal successors, (1288), 988 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:12,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1288 transitions. [2021-12-15 21:57:12,401 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1288 transitions. Word has length 225 [2021-12-15 21:57:12,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:12,401 INFO L470 AbstractCegarLoop]: Abstraction has 989 states and 1288 transitions. [2021-12-15 21:57:12,401 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:12,401 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1288 transitions. [2021-12-15 21:57:12,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-15 21:57:12,404 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:12,405 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:12,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-15 21:57:12,406 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:12,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:12,406 INFO L85 PathProgramCache]: Analyzing trace with hash -482554043, now seen corresponding path program 1 times [2021-12-15 21:57:12,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:12,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022131755] [2021-12-15 21:57:12,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:12,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-15 21:57:12,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:12,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022131755] [2021-12-15 21:57:12,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022131755] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 21:57:12,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402623010] [2021-12-15 21:57:12,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:12,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:12,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 21:57:12,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 21:57:12,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-15 21:57:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:12,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 21:57:12,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 21:57:12,956 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-15 21:57:12,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 21:57:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-15 21:57:13,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402623010] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 21:57:13,251 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 21:57:13,251 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-15 21:57:13,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973318751] [2021-12-15 21:57:13,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 21:57:13,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 21:57:13,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:13,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 21:57:13,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 21:57:13,252 INFO L87 Difference]: Start difference. First operand 989 states and 1288 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:13,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:13,727 INFO L93 Difference]: Finished difference Result 4290 states and 5915 transitions. [2021-12-15 21:57:13,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-15 21:57:13,727 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 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 253 [2021-12-15 21:57:13,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:13,736 INFO L225 Difference]: With dead ends: 4290 [2021-12-15 21:57:13,736 INFO L226 Difference]: Without dead ends: 3322 [2021-12-15 21:57:13,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 514 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-15 21:57:13,739 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 338 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:13,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [338 Valid, 1013 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-15 21:57:13,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3322 states. [2021-12-15 21:57:13,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3322 to 2444. [2021-12-15 21:57:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2444 states, 2443 states have (on average 1.3074089234547688) internal successors, (3194), 2443 states have internal predecessors, (3194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:13,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3194 transitions. [2021-12-15 21:57:13,786 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3194 transitions. Word has length 253 [2021-12-15 21:57:13,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:13,786 INFO L470 AbstractCegarLoop]: Abstraction has 2444 states and 3194 transitions. [2021-12-15 21:57:13,786 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:13,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3194 transitions. [2021-12-15 21:57:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-15 21:57:13,790 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:13,791 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:13,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-15 21:57:14,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-15 21:57:14,008 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:14,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:14,009 INFO L85 PathProgramCache]: Analyzing trace with hash -193734653, now seen corresponding path program 1 times [2021-12-15 21:57:14,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:14,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842819134] [2021-12-15 21:57:14,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:14,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:14,068 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2021-12-15 21:57:14,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:14,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842819134] [2021-12-15 21:57:14,069 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842819134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:14,069 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:14,069 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:14,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470934824] [2021-12-15 21:57:14,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:14,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:14,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:14,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:14,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,070 INFO L87 Difference]: Start difference. First operand 2444 states and 3194 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:14,121 INFO L93 Difference]: Finished difference Result 6784 states and 8940 transitions. [2021-12-15 21:57:14,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:14,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 253 [2021-12-15 21:57:14,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:14,129 INFO L225 Difference]: With dead ends: 6784 [2021-12-15 21:57:14,130 INFO L226 Difference]: Without dead ends: 3133 [2021-12-15 21:57:14,133 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,134 INFO L933 BasicCegarLoop]: 325 mSDtfsCounter, 109 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:14,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 492 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:14,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2021-12-15 21:57:14,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3031. [2021-12-15 21:57:14,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3031 states, 3030 states have (on average 1.328052805280528) internal successors, (4024), 3030 states have internal predecessors, (4024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 3031 states and 4024 transitions. [2021-12-15 21:57:14,183 INFO L78 Accepts]: Start accepts. Automaton has 3031 states and 4024 transitions. Word has length 253 [2021-12-15 21:57:14,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:14,183 INFO L470 AbstractCegarLoop]: Abstraction has 3031 states and 4024 transitions. [2021-12-15 21:57:14,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3031 states and 4024 transitions. [2021-12-15 21:57:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-12-15 21:57:14,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:14,188 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-15 21:57:14,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-15 21:57:14,189 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:14,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:14,189 INFO L85 PathProgramCache]: Analyzing trace with hash -257796221, now seen corresponding path program 1 times [2021-12-15 21:57:14,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:14,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795884729] [2021-12-15 21:57:14,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:14,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:14,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:14,226 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 493 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2021-12-15 21:57:14,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:14,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795884729] [2021-12-15 21:57:14,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795884729] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:14,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:14,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:14,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769418736] [2021-12-15 21:57:14,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:14,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:14,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:14,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:14,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,228 INFO L87 Difference]: Start difference. First operand 3031 states and 4024 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:14,337 INFO L93 Difference]: Finished difference Result 6437 states and 8611 transitions. [2021-12-15 21:57:14,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:14,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 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 299 [2021-12-15 21:57:14,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:14,346 INFO L225 Difference]: With dead ends: 6437 [2021-12-15 21:57:14,347 INFO L226 Difference]: Without dead ends: 3427 [2021-12-15 21:57:14,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,352 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 17 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:14,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 272 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:14,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2021-12-15 21:57:14,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3355. [2021-12-15 21:57:14,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3355 states, 3354 states have (on average 1.3142516398330353) internal successors, (4408), 3354 states have internal predecessors, (4408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 3355 states and 4408 transitions. [2021-12-15 21:57:14,439 INFO L78 Accepts]: Start accepts. Automaton has 3355 states and 4408 transitions. Word has length 299 [2021-12-15 21:57:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:14,439 INFO L470 AbstractCegarLoop]: Abstraction has 3355 states and 4408 transitions. [2021-12-15 21:57:14,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3355 states and 4408 transitions. [2021-12-15 21:57:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2021-12-15 21:57:14,444 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:14,444 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-15 21:57:14,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-15 21:57:14,445 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:14,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:14,445 INFO L85 PathProgramCache]: Analyzing trace with hash 212293102, now seen corresponding path program 1 times [2021-12-15 21:57:14,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:14,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717811320] [2021-12-15 21:57:14,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:14,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-12-15 21:57:14,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:14,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717811320] [2021-12-15 21:57:14,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717811320] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:14,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:14,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:14,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484988793] [2021-12-15 21:57:14,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:14,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:14,492 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:14,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:14,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,492 INFO L87 Difference]: Start difference. First operand 3355 states and 4408 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:14,603 INFO L93 Difference]: Finished difference Result 7049 states and 9307 transitions. [2021-12-15 21:57:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:14,603 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 322 [2021-12-15 21:57:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:14,613 INFO L225 Difference]: With dead ends: 7049 [2021-12-15 21:57:14,613 INFO L226 Difference]: Without dead ends: 3715 [2021-12-15 21:57:14,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,618 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 10 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:14,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 272 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:14,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2021-12-15 21:57:14,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3034. [2021-12-15 21:57:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3034 states, 3033 states have (on average 1.3056379821958457) internal successors, (3960), 3033 states have internal predecessors, (3960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 3960 transitions. [2021-12-15 21:57:14,672 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 3960 transitions. Word has length 322 [2021-12-15 21:57:14,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:14,673 INFO L470 AbstractCegarLoop]: Abstraction has 3034 states and 3960 transitions. [2021-12-15 21:57:14,673 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 3960 transitions. [2021-12-15 21:57:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2021-12-15 21:57:14,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:14,678 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-15 21:57:14,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-15 21:57:14,678 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:14,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:14,678 INFO L85 PathProgramCache]: Analyzing trace with hash -812160295, now seen corresponding path program 1 times [2021-12-15 21:57:14,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:14,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945087295] [2021-12-15 21:57:14,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:14,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 692 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2021-12-15 21:57:14,746 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:14,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945087295] [2021-12-15 21:57:14,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945087295] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:14,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:14,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:14,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645893915] [2021-12-15 21:57:14,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:14,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:14,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:14,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:14,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,750 INFO L87 Difference]: Start difference. First operand 3034 states and 3960 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:14,818 INFO L93 Difference]: Finished difference Result 9048 states and 11812 transitions. [2021-12-15 21:57:14,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:14,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 354 [2021-12-15 21:57:14,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:14,834 INFO L225 Difference]: With dead ends: 9048 [2021-12-15 21:57:14,834 INFO L226 Difference]: Without dead ends: 6035 [2021-12-15 21:57:14,839 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:14,839 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 125 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:14,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 484 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:14,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6035 states. [2021-12-15 21:57:14,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6035 to 5852. [2021-12-15 21:57:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5852 states, 5851 states have (on average 1.3083233635276021) internal successors, (7655), 5851 states have internal predecessors, (7655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5852 states to 5852 states and 7655 transitions. [2021-12-15 21:57:14,953 INFO L78 Accepts]: Start accepts. Automaton has 5852 states and 7655 transitions. Word has length 354 [2021-12-15 21:57:14,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:14,953 INFO L470 AbstractCegarLoop]: Abstraction has 5852 states and 7655 transitions. [2021-12-15 21:57:14,953 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:14,954 INFO L276 IsEmpty]: Start isEmpty. Operand 5852 states and 7655 transitions. [2021-12-15 21:57:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-15 21:57:14,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:14,981 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-12-15 21:57:14,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 21:57:14,981 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:14,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:14,982 INFO L85 PathProgramCache]: Analyzing trace with hash 209922624, now seen corresponding path program 1 times [2021-12-15 21:57:14,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:14,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975691580] [2021-12-15 21:57:14,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:14,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 871 proven. 26 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-12-15 21:57:15,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:15,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975691580] [2021-12-15 21:57:15,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975691580] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 21:57:15,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114825212] [2021-12-15 21:57:15,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:15,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:15,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 21:57:15,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 21:57:15,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-15 21:57:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:15,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 21:57:15,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 21:57:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1301 backedges. 680 proven. 0 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2021-12-15 21:57:15,595 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 21:57:15,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114825212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:15,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-15 21:57:15,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-12-15 21:57:15,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277435385] [2021-12-15 21:57:15,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:15,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:15,596 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:15,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:15,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 21:57:15,597 INFO L87 Difference]: Start difference. First operand 5852 states and 7655 transitions. Second operand has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:15,646 INFO L93 Difference]: Finished difference Result 6714 states and 8793 transitions. [2021-12-15 21:57:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 355 [2021-12-15 21:57:15,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:15,658 INFO L225 Difference]: With dead ends: 6714 [2021-12-15 21:57:15,658 INFO L226 Difference]: Without dead ends: 4851 [2021-12-15 21:57:15,661 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-15 21:57:15,662 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 83 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:15,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 476 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 21:57:15,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2021-12-15 21:57:15,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 3807. [2021-12-15 21:57:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 3806 states have (on average 1.3084603258013663) internal successors, (4980), 3806 states have internal predecessors, (4980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 4980 transitions. [2021-12-15 21:57:15,772 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 4980 transitions. Word has length 355 [2021-12-15 21:57:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:15,773 INFO L470 AbstractCegarLoop]: Abstraction has 3807 states and 4980 transitions. [2021-12-15 21:57:15,773 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 4980 transitions. [2021-12-15 21:57:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2021-12-15 21:57:15,781 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:15,781 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 12, 12, 10, 10, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:15,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-15 21:57:15,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-15 21:57:15,985 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:15,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:15,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1965226690, now seen corresponding path program 1 times [2021-12-15 21:57:15,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:15,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405191875] [2021-12-15 21:57:15,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:15,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:16,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2021-12-15 21:57:16,030 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:16,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405191875] [2021-12-15 21:57:16,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405191875] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 21:57:16,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442197233] [2021-12-15 21:57:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:16,031 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:16,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 21:57:16,032 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 21:57:16,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-15 21:57:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:16,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 21:57:16,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 21:57:16,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2021-12-15 21:57:16,553 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 21:57:17,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2004 backedges. 1251 proven. 26 refuted. 0 times theorem prover too weak. 727 trivial. 0 not checked. [2021-12-15 21:57:17,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442197233] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 21:57:17,045 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 21:57:17,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-15 21:57:17,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898545951] [2021-12-15 21:57:17,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 21:57:17,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 21:57:17,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:17,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 21:57:17,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 21:57:17,047 INFO L87 Difference]: Start difference. First operand 3807 states and 4980 transitions. Second operand has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:17,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:17,396 INFO L93 Difference]: Finished difference Result 9411 states and 12702 transitions. [2021-12-15 21:57:17,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-15 21:57:17,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 0 states have call successors, (0), 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 417 [2021-12-15 21:57:17,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:17,413 INFO L225 Difference]: With dead ends: 9411 [2021-12-15 21:57:17,413 INFO L226 Difference]: Without dead ends: 5466 [2021-12-15 21:57:17,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 840 GetRequests, 834 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-15 21:57:17,419 INFO L933 BasicCegarLoop]: 258 mSDtfsCounter, 353 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:17,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [353 Valid, 650 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 21:57:17,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5466 states. [2021-12-15 21:57:17,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5466 to 4809. [2021-12-15 21:57:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4809 states, 4808 states have (on average 1.3741680532445923) internal successors, (6607), 4808 states have internal predecessors, (6607), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 4809 states and 6607 transitions. [2021-12-15 21:57:17,505 INFO L78 Accepts]: Start accepts. Automaton has 4809 states and 6607 transitions. Word has length 417 [2021-12-15 21:57:17,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:17,506 INFO L470 AbstractCegarLoop]: Abstraction has 4809 states and 6607 transitions. [2021-12-15 21:57:17,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.833333333333336) internal successors, (257), 6 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4809 states and 6607 transitions. [2021-12-15 21:57:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2021-12-15 21:57:17,516 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:17,517 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 16, 16, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 21:57:17,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-15 21:57:17,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:17,743 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:17,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:17,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1529804208, now seen corresponding path program 1 times [2021-12-15 21:57:17,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:17,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174721742] [2021-12-15 21:57:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:17,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:17,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3138 backedges. 1671 proven. 0 refuted. 0 times theorem prover too weak. 1467 trivial. 0 not checked. [2021-12-15 21:57:17,800 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:17,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174721742] [2021-12-15 21:57:17,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174721742] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 21:57:17,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 21:57:17,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 21:57:17,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42005469] [2021-12-15 21:57:17,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 21:57:17,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 21:57:17,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:17,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 21:57:17,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:17,802 INFO L87 Difference]: Start difference. First operand 4809 states and 6607 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:17,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:17,898 INFO L93 Difference]: Finished difference Result 9708 states and 13293 transitions. [2021-12-15 21:57:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 21:57:17,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 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 509 [2021-12-15 21:57:17,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:17,906 INFO L225 Difference]: With dead ends: 9708 [2021-12-15 21:57:17,906 INFO L226 Difference]: Without dead ends: 4920 [2021-12-15 21:57:17,911 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 21:57:17,912 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:17,912 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 272 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 21:57:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4920 states. [2021-12-15 21:57:17,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4920 to 4869. [2021-12-15 21:57:17,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4869 states, 4868 states have (on average 1.346343467543139) internal successors, (6554), 4868 states have internal predecessors, (6554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4869 states to 4869 states and 6554 transitions. [2021-12-15 21:57:17,988 INFO L78 Accepts]: Start accepts. Automaton has 4869 states and 6554 transitions. Word has length 509 [2021-12-15 21:57:17,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:17,989 INFO L470 AbstractCegarLoop]: Abstraction has 4869 states and 6554 transitions. [2021-12-15 21:57:17,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:17,989 INFO L276 IsEmpty]: Start isEmpty. Operand 4869 states and 6554 transitions. [2021-12-15 21:57:18,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2021-12-15 21:57:18,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:18,000 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 16, 14, 14, 12, 12, 10, 10, 8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 21:57:18,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-15 21:57:18,001 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:18,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:18,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1911316890, now seen corresponding path program 1 times [2021-12-15 21:57:18,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:18,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403703511] [2021-12-15 21:57:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:18,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1744 proven. 206 refuted. 0 times theorem prover too weak. 1254 trivial. 0 not checked. [2021-12-15 21:57:18,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:18,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403703511] [2021-12-15 21:57:18,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403703511] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 21:57:18,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34951503] [2021-12-15 21:57:18,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:18,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:18,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 21:57:18,148 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 21:57:18,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-15 21:57:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:18,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-15 21:57:18,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 21:57:20,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1792 proven. 239 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-15 21:57:20,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 21:57:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3204 backedges. 1887 proven. 144 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-15 21:57:21,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34951503] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 21:57:21,697 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 21:57:21,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-12-15 21:57:21,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802756228] [2021-12-15 21:57:21,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 21:57:21,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-15 21:57:21,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:21,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-15 21:57:21,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2021-12-15 21:57:21,700 INFO L87 Difference]: Start difference. First operand 4869 states and 6554 transitions. Second operand has 11 states, 11 states have (on average 38.0) internal successors, (418), 11 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:22,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:22,877 INFO L93 Difference]: Finished difference Result 22900 states and 30682 transitions. [2021-12-15 21:57:22,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-15 21:57:22,878 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 38.0) internal successors, (418), 11 states have internal predecessors, (418), 0 states have call successors, (0), 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 513 [2021-12-15 21:57:22,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:22,904 INFO L225 Difference]: With dead ends: 22900 [2021-12-15 21:57:22,904 INFO L226 Difference]: Without dead ends: 17872 [2021-12-15 21:57:22,915 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1046 GetRequests, 1025 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=233, Unknown=0, NotChecked=0, Total=342 [2021-12-15 21:57:22,915 INFO L933 BasicCegarLoop]: 362 mSDtfsCounter, 1050 mSDsluCounter, 1447 mSDsCounter, 0 mSdLazyCounter, 1157 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 214 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:22,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1050 Valid, 1809 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1157 Invalid, 0 Unknown, 214 Unchecked, 0.8s Time] [2021-12-15 21:57:22,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17872 states. [2021-12-15 21:57:23,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17872 to 16675. [2021-12-15 21:57:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16675 states, 16674 states have (on average 1.3002878733357324) internal successors, (21681), 16674 states have internal predecessors, (21681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16675 states to 16675 states and 21681 transitions. [2021-12-15 21:57:23,233 INFO L78 Accepts]: Start accepts. Automaton has 16675 states and 21681 transitions. Word has length 513 [2021-12-15 21:57:23,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:23,233 INFO L470 AbstractCegarLoop]: Abstraction has 16675 states and 21681 transitions. [2021-12-15 21:57:23,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 38.0) internal successors, (418), 11 states have internal predecessors, (418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 16675 states and 21681 transitions. [2021-12-15 21:57:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2021-12-15 21:57:23,260 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 21:57:23,260 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 18, 16, 16, 14, 14, 12, 12, 10, 10, 10, 10, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-15 21:57:23,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-15 21:57:23,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:23,475 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 21:57:23,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 21:57:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 944376353, now seen corresponding path program 2 times [2021-12-15 21:57:23,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 21:57:23,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652824400] [2021-12-15 21:57:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 21:57:23,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 21:57:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 21:57:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2021-12-15 21:57:23,544 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 21:57:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652824400] [2021-12-15 21:57:23,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652824400] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 21:57:23,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418659370] [2021-12-15 21:57:23,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-15 21:57:23,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:23,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 21:57:23,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 21:57:23,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-15 21:57:23,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-15 21:57:23,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-15 21:57:23,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 21:57:23,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 21:57:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2021-12-15 21:57:24,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 21:57:25,086 INFO L134 CoverageAnalysis]: Checked inductivity of 4078 backedges. 1321 proven. 16 refuted. 0 times theorem prover too weak. 2741 trivial. 0 not checked. [2021-12-15 21:57:25,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418659370] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 21:57:25,086 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 21:57:25,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-15 21:57:25,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165485557] [2021-12-15 21:57:25,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 21:57:25,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-15 21:57:25,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 21:57:25,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-15 21:57:25,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-15 21:57:25,088 INFO L87 Difference]: Start difference. First operand 16675 states and 21681 transitions. Second operand has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 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) [2021-12-15 21:57:25,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 21:57:25,504 INFO L93 Difference]: Finished difference Result 22819 states and 29528 transitions. [2021-12-15 21:57:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-15 21:57:25,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 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 583 [2021-12-15 21:57:25,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 21:57:25,505 INFO L225 Difference]: With dead ends: 22819 [2021-12-15 21:57:25,505 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 21:57:25,517 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1176 GetRequests, 1166 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-12-15 21:57:25,518 INFO L933 BasicCegarLoop]: 275 mSDtfsCounter, 215 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-15 21:57:25,518 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 756 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-15 21:57:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 21:57:25,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 21:57:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 21:57:25,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 21:57:25,521 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 583 [2021-12-15 21:57:25,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 21:57:25,522 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 21:57:25,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 34.25) internal successors, (274), 8 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) [2021-12-15 21:57:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 21:57:25,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 21:57:25,524 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 21:57:25,541 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-15 21:57:25,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 21:57:25,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 21:57:37,505 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 272) no Hoare annotation was computed. [2021-12-15 21:57:37,505 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 608) no Hoare annotation was computed. [2021-12-15 21:57:37,505 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 619) no Hoare annotation was computed. [2021-12-15 21:57:37,506 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 630) no Hoare annotation was computed. [2021-12-15 21:57:37,506 INFO L861 garLoopResultBuilder]: At program point L697(lines 688 699) the Hoare annotation is: true [2021-12-15 21:57:37,506 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 398) no Hoare annotation was computed. [2021-12-15 21:57:37,506 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2021-12-15 21:57:37,506 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2021-12-15 21:57:37,506 INFO L854 garLoopResultBuilder]: At program point L202(lines 198 609) the Hoare annotation is: (let ((.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse2) (and .cse5 .cse0 .cse2) (and .cse4 .cse3 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) .cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)))) [2021-12-15 21:57:37,506 INFO L854 garLoopResultBuilder]: At program point L169(lines 165 620) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse0 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse2 .cse5 .cse3) (and .cse4 .cse2 .cse5))) [2021-12-15 21:57:37,506 INFO L854 garLoopResultBuilder]: At program point L136(lines 135 630) the Hoare annotation is: (let ((.cse7 (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)))) (let ((.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse0 (let ((.cse8 (mod .cse7 4294967296))) (or (< 2147483647 .cse8) (<= .cse8 8496)))) (.cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8496) .cse0 .cse1 .cse2) (and .cse3 .cse1) (and .cse4 .cse3) (and (let ((.cse5 (* 4294967296 (div .cse7 4294967296))) (.cse6 (+ (* 2 |ULTIMATE.start_ssl3_accept_~ag_X~0#1|) (* 2 |ULTIMATE.start_ssl3_accept_~ag_Y~0#1|)))) (or (= (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| .cse5) .cse6) (and (< (+ .cse5 2147483647) .cse6) (= (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| .cse5 4294967296) .cse6)))) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (and .cse4 .cse0 .cse2)))) [2021-12-15 21:57:37,507 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 538) no Hoare annotation was computed. [2021-12-15 21:57:37,507 INFO L854 garLoopResultBuilder]: At program point L600(lines 111 668) the Hoare annotation is: (let ((.cse24 (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)))) (let ((.cse20 (mod .cse24 4294967296))) (let ((.cse19 (< 2147483647 .cse20))) (let ((.cse0 (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8496)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse13 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (.cse16 (= 8466 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse12 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse10 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (or .cse19 (<= .cse20 8496))) (.cse9 (let ((.cse23 (* 4294967296 (div .cse24 4294967296)))) (let ((.cse22 (+ .cse23 2147483647)) (.cse21 (+ (* 2 |ULTIMATE.start_ssl3_accept_~ag_X~0#1|) (* 2 |ULTIMATE.start_ssl3_accept_~ag_Y~0#1|)))) (or (and (<= .cse21 .cse22) (= (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| .cse23) .cse21)) (and (< .cse22 .cse21) (= (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| .cse23 4294967296) .cse21)))))) (.cse6 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse11 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse17 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse14 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse18 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse15 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse3 (or .cse19 (< .cse20 8656))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (and .cse3 .cse4 .cse5 .cse2 .cse6) (and .cse7 .cse2) (and .cse8 .cse9) (and .cse8 .cse3 .cse10) (and .cse11 .cse3 .cse12 .cse4 .cse2 .cse6) (and .cse0 .cse1 .cse9 .cse2) (and .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse3 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse5 .cse13 .cse14) (and .cse7 .cse5 .cse14 .cse15) (and .cse8 .cse7) (and .cse3 .cse16 .cse4 .cse2 .cse6) (and .cse8 .cse5 .cse13) (and .cse3 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (and .cse7 .cse17 .cse14) (and .cse8 .cse3 .cse16) (and .cse3 .cse17 .cse4 .cse14) (and .cse11 .cse3 .cse8 .cse12) (and .cse8 .cse1) (and .cse3 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse3 .cse10 .cse4 .cse2) (and .cse3 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse2) (and .cse4 .cse1 .cse9 .cse2 .cse6) (and .cse11 .cse3 .cse4 .cse2 .cse18) (and .cse17 .cse8) (and .cse7 .cse14 .cse18 .cse15) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse3 .cse2)))))) [2021-12-15 21:57:37,507 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 571) no Hoare annotation was computed. [2021-12-15 21:57:37,507 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-12-15 21:57:37,507 INFO L858 garLoopResultBuilder]: For program point L303-2(lines 221 599) no Hoare annotation was computed. [2021-12-15 21:57:37,507 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 607) no Hoare annotation was computed. [2021-12-15 21:57:37,507 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 618) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 629) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 397) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L370-1(lines 370 397) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 394) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L861 garLoopResultBuilder]: At program point L669(lines 110 670) the Hoare annotation is: true [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 606) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 617) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 628) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 437) no Hoare annotation was computed. [2021-12-15 21:57:37,508 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L854 garLoopResultBuilder]: At program point L208(lines 204 607) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2) (let ((.cse4 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (let ((.cse3 (< 2147483647 .cse4))) (and (or .cse3 (< .cse4 8656)) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 (or .cse3 (<= .cse4 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) .cse2))) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1) .cse2) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3) .cse2))) [2021-12-15 21:57:37,509 INFO L854 garLoopResultBuilder]: At program point L175(lines 171 618) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2 .cse4) (and .cse3 .cse2 .cse5 .cse4) (and .cse0 .cse2 .cse5))) [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L241-2(lines 221 599) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 666) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L374(lines 374 393) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 663) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 544) no Hoare annotation was computed. [2021-12-15 21:57:37,509 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L573-2(lines 573 577) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 221 599) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L375-2(lines 374 391) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 605) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 616) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 627) no Hoare annotation was computed. [2021-12-15 21:57:37,510 INFO L854 garLoopResultBuilder]: At program point L111-2(lines 111 668) the Hoare annotation is: (let ((.cse24 (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)))) (let ((.cse20 (mod .cse24 4294967296))) (let ((.cse19 (< 2147483647 .cse20))) (let ((.cse0 (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8496)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448)) (.cse13 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (.cse16 (= 8466 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse12 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse10 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (or .cse19 (<= .cse20 8496))) (.cse9 (let ((.cse23 (* 4294967296 (div .cse24 4294967296)))) (let ((.cse22 (+ .cse23 2147483647)) (.cse21 (+ (* 2 |ULTIMATE.start_ssl3_accept_~ag_X~0#1|) (* 2 |ULTIMATE.start_ssl3_accept_~ag_Y~0#1|)))) (or (and (<= .cse21 .cse22) (= (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| .cse23) .cse21)) (and (< .cse22 .cse21) (= (+ |ULTIMATE.start_ssl3_accept_~s__state~0#1| .cse23 4294967296) .cse21)))))) (.cse6 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse11 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse17 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse8 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse7 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse14 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse18 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse15 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse3 (or .cse19 (< .cse20 8656))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (and .cse3 .cse4 .cse5 .cse2 .cse6) (and .cse7 .cse2) (and .cse8 .cse9) (and .cse8 .cse3 .cse10) (and .cse11 .cse3 .cse12 .cse4 .cse2 .cse6) (and .cse0 .cse1 .cse9 .cse2) (and .cse3 .cse8 .cse4 .cse5 .cse6) (and .cse3 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse5 .cse13 .cse14) (and .cse7 .cse5 .cse14 .cse15) (and .cse8 .cse7) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse3 .cse16 .cse4 .cse2 .cse6) (and .cse8 .cse5 .cse13) (and .cse3 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)) (and .cse7 .cse17 .cse14) (and .cse8 .cse3 .cse16) (and .cse3 .cse17 .cse4 .cse14) (and .cse11 .cse3 .cse8 .cse12) (and .cse8 .cse1) (and .cse3 .cse2 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse3 .cse10 .cse4 .cse2) (and .cse3 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse2) (and .cse4 .cse1 .cse9 .cse2 .cse6) (and .cse11 .cse3 .cse4 .cse2 .cse18) (and .cse17 .cse8) (and .cse7 .cse14 .cse18 .cse15) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse3 .cse2)))))) [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 677) no Hoare annotation was computed. [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 649) no Hoare annotation was computed. [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L673-2(lines 673 677) no Hoare annotation was computed. [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L640-2(lines 639 661) no Hoare annotation was computed. [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L343-1(lines 343 352) no Hoare annotation was computed. [2021-12-15 21:57:37,511 INFO L854 garLoopResultBuilder]: At program point L178(lines 177 616) the Hoare annotation is: (let ((.cse11 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (let ((.cse10 (< 2147483647 .cse11))) (let ((.cse4 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)) (.cse8 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse5 (or .cse10 (< .cse11 8656))) (.cse6 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576)) (.cse7 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (.cse9 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse0 (or .cse10 (<= .cse11 8496))) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8496) .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse4) (and .cse5 .cse3 .cse6 .cse1 .cse7) (and .cse5 (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|) .cse1 .cse4 .cse8) (and .cse9 .cse1 .cse8 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)) (and .cse5 .cse6 .cse1 .cse2 .cse7) (and .cse3 .cse9 .cse1) (and .cse9 .cse1 .cse2) (and .cse3 .cse0 .cse1))))) [2021-12-15 21:57:37,511 INFO L854 garLoopResultBuilder]: At program point L145(lines 138 629) the Hoare annotation is: (let ((.cse1 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (let ((.cse0 (< 2147483647 .cse1))) (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (or .cse0 (< .cse1 8656))) (.cse6 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496))) (or (and (< |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8496) (or .cse0 (<= .cse1 8496)) .cse2 .cse3) (and .cse4 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|) .cse3) (and .cse5 .cse2) (and .cse6 .cse5) (and .cse4 .cse6 .cse3) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse3))))) [2021-12-15 21:57:37,511 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 604) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 615) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 626) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 637) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L854 garLoopResultBuilder]: At program point L214(lines 210 605) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse1 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 .cse1 .cse2) (and (let ((.cse3 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse3) (< .cse3 8656))) .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse2) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-15 21:57:37,512 INFO L861 garLoopResultBuilder]: At program point L115(lines 114 637) the Hoare annotation is: true [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 491) no Hoare annotation was computed. [2021-12-15 21:57:37,512 INFO L858 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-12-15 21:57:37,513 INFO L854 garLoopResultBuilder]: At program point L381(lines 364 399) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse4) (and .cse1 .cse3 .cse2 .cse5))) [2021-12-15 21:57:37,513 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 254) no Hoare annotation was computed. [2021-12-15 21:57:37,513 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 603) no Hoare annotation was computed. [2021-12-15 21:57:37,513 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 614) no Hoare annotation was computed. [2021-12-15 21:57:37,513 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 625) no Hoare annotation was computed. [2021-12-15 21:57:37,513 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 636) no Hoare annotation was computed. [2021-12-15 21:57:37,513 INFO L854 garLoopResultBuilder]: At program point L415(lines 406 437) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse0 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse3 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse4 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse2 .cse5 .cse3) (and .cse4 .cse2 .cse5))) [2021-12-15 21:57:37,513 INFO L861 garLoopResultBuilder]: At program point L217(lines 216 603) the Hoare annotation is: true [2021-12-15 21:57:37,513 INFO L854 garLoopResultBuilder]: At program point L184(lines 180 615) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse0 .cse2) (and .cse1 .cse2 .cse5) (and .cse4 .cse3 .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse5 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)))) [2021-12-15 21:57:37,514 INFO L854 garLoopResultBuilder]: At program point L151(lines 147 626) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse0 (let ((.cse5 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse5) (< .cse5 8656)))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse2 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse2) (and .cse3 .cse1) (and .cse4 .cse3) (and .cse0 .cse4 .cse2))) [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 613) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 624) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 635) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 593) no Hoare annotation was computed. [2021-12-15 21:57:37,514 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 488) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L861 garLoopResultBuilder]: At program point L220(lines 219 602) the Hoare annotation is: true [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 85 93) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L861 garLoopResultBuilder]: At program point L684(lines 76 686) the Hoare annotation is: true [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 657) no Hoare annotation was computed. [2021-12-15 21:57:37,515 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 557) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 612) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 623) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 634) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L861 garLoopResultBuilder]: At program point L685(lines 19 687) the Hoare annotation is: true [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L854 garLoopResultBuilder]: At program point L190(lines 186 613) the Hoare annotation is: (let ((.cse1 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse5 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse2) (and .cse4 .cse5 .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse3 (< 8496 |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1|)))) [2021-12-15 21:57:37,516 INFO L854 garLoopResultBuilder]: At program point L157(lines 153 624) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse4) (and .cse1 .cse3 .cse2 .cse5))) [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-12-15 21:57:37,516 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 221 599) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L861 garLoopResultBuilder]: At program point L224(lines 117 636) the Hoare annotation is: true [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point L192(lines 192 611) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 622) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 633) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 457 469) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 21:57:37,517 INFO L854 garLoopResultBuilder]: At program point L425(lines 416 436) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse4) (and .cse1 .cse3 .cse2 .cse5))) [2021-12-15 21:57:37,518 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-12-15 21:57:37,518 INFO L858 garLoopResultBuilder]: For program point L359-2(lines 221 599) no Hoare annotation was computed. [2021-12-15 21:57:37,518 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-12-15 21:57:37,518 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 76 686) no Hoare annotation was computed. [2021-12-15 21:57:37,518 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 610) no Hoare annotation was computed. [2021-12-15 21:57:37,519 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 621) no Hoare annotation was computed. [2021-12-15 21:57:37,519 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 632) no Hoare annotation was computed. [2021-12-15 21:57:37,519 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-12-15 21:57:37,519 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 465) no Hoare annotation was computed. [2021-12-15 21:57:37,519 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-12-15 21:57:37,519 INFO L854 garLoopResultBuilder]: At program point L196(lines 192 611) the Hoare annotation is: (let ((.cse1 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse0 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse5 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse3) (and .cse4 .cse5 .cse2) (and .cse1 .cse0 .cse4 .cse2) (and .cse5 .cse2 .cse3))) [2021-12-15 21:57:37,519 INFO L854 garLoopResultBuilder]: At program point L163(lines 159 622) the Hoare annotation is: (let ((.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse4 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse3 (let ((.cse6 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse6) (< .cse6 8656)))) (.cse2 (< 8496 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse4) (and .cse1 .cse3 .cse2 .cse5))) [2021-12-15 21:57:37,519 INFO L858 garLoopResultBuilder]: For program point L229-2(lines 221 599) no Hoare annotation was computed. [2021-12-15 21:57:37,520 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2021-12-15 21:57:37,520 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 21:57:37,520 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2021-12-15 21:57:37,520 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 609) no Hoare annotation was computed. [2021-12-15 21:57:37,520 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 620) no Hoare annotation was computed. [2021-12-15 21:57:37,521 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 631) no Hoare annotation was computed. [2021-12-15 21:57:37,521 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-12-15 21:57:37,521 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2021-12-15 21:57:37,521 INFO L854 garLoopResultBuilder]: At program point L133(lines 129 632) the Hoare annotation is: (let ((.cse3 (let ((.cse5 (mod (+ (* |ULTIMATE.start_ssl3_accept_~ag_X~0#1| 2) (* |ULTIMATE.start_ssl3_accept_~ag_Y~0#1| 2)) 4294967296))) (or (< 2147483647 .cse5) (<= .cse5 8496)))) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse0 (not (= |ULTIMATE.start_ssl3_accept_~s__hit~0#1| 0))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse3 .cse1 .cse4) (and .cse0 .cse2))) [2021-12-15 21:57:37,521 INFO L854 garLoopResultBuilder]: At program point L563(lines 76 686) the Hoare annotation is: false [2021-12-15 21:57:37,521 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 280) no Hoare annotation was computed. [2021-12-15 21:57:37,525 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 21:57:37,526 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 21:57:37,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:57:37 BoogieIcfgContainer [2021-12-15 21:57:37,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 21:57:37,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 21:57:37,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 21:57:37,575 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 21:57:37,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:57:10" (3/4) ... [2021-12-15 21:57:37,578 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 21:57:37,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 21:57:37,596 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 21:57:37,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 21:57:37,597 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 21:57:37,670 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 21:57:37,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 21:57:37,671 INFO L158 Benchmark]: Toolchain (without parser) took 28028.12ms. Allocated memory was 113.2MB in the beginning and 509.6MB in the end (delta: 396.4MB). Free memory was 85.1MB in the beginning and 230.6MB in the end (delta: -145.5MB). Peak memory consumption was 250.2MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,671 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 92.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 21:57:37,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.87ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 84.9MB in the end (delta: -121.6kB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.52ms. Allocated memory is still 113.2MB. Free memory was 84.9MB in the beginning and 82.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,675 INFO L158 Benchmark]: Boogie Preprocessor took 19.81ms. Allocated memory is still 113.2MB. Free memory was 82.1MB in the beginning and 80.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,675 INFO L158 Benchmark]: RCFGBuilder took 600.73ms. Allocated memory is still 113.2MB. Free memory was 80.0MB in the beginning and 81.7MB in the end (delta: -1.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,675 INFO L158 Benchmark]: TraceAbstraction took 26987.74ms. Allocated memory was 113.2MB in the beginning and 509.6MB in the end (delta: 396.4MB). Free memory was 81.2MB in the beginning and 243.2MB in the end (delta: -162.0MB). Peak memory consumption was 349.3MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,675 INFO L158 Benchmark]: Witness Printer took 95.33ms. Allocated memory is still 509.6MB. Free memory was 243.2MB in the beginning and 230.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 21:57:37,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 79.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 92.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.87ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 84.9MB in the end (delta: -121.6kB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.52ms. Allocated memory is still 113.2MB. Free memory was 84.9MB in the beginning and 82.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.81ms. Allocated memory is still 113.2MB. Free memory was 82.1MB in the beginning and 80.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.73ms. Allocated memory is still 113.2MB. Free memory was 80.0MB in the beginning and 81.7MB in the end (delta: -1.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 26987.74ms. Allocated memory was 113.2MB in the beginning and 509.6MB in the end (delta: 396.4MB). Free memory was 81.2MB in the beginning and 243.2MB in the end (delta: -162.0MB). Peak memory consumption was 349.3MB. Max. memory is 16.1GB. * Witness Printer took 95.33ms. Allocated memory is still 509.6MB. Free memory was 243.2MB in the beginning and 230.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. 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: 680]: 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: 26.9s, OverallIterations: 20, TraceHistogramMax: 21, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2800 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2800 mSDsluCounter, 9807 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 214 IncrementalHoareTripleChecker+Unchecked, 4857 mSDsCounter, 503 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3893 IncrementalHoareTripleChecker+Invalid, 4610 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 503 mSolverCounterUnsat, 4950 mSDtfsCounter, 3893 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3979 GetRequests, 3917 SyntacticMatches, 4 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16675occurred in iteration=19, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 4912 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 748 NumberOfFragments, 3760 HoareAnnotationTreeSize, 29 FomulaSimplifications, 7363 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 29 FomulaSimplificationsInter, 67456 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 7056 NumberOfCodeBlocks, 7056 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 8793 ConstructedInterpolants, 35 QuantifiedInterpolants, 26294 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3407 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 29 InterpolantComputations, 16 PerfectInterpolantSequences, 39472/40261 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: 111]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && blastFlag == 2) && s__state < 8496) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || (!(s__hit == 0) && blastFlag == 2)) || (blastFlag == 1 && ((2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y) || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y)))) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && s__state == 8656)) || (((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || (((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && ((2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y) || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y))) && blastFlag == 2)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 0 == s__hit) && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || (((!(s__hit == 0) && s__state <= 8448) && blastFlag == 3) && 8640 <= s__s3__tmp__next_state___0)) || (blastFlag == 1 && !(s__hit == 0))) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8466 == s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || ((blastFlag == 1 && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 2) && s__state == 8528)) || ((!(s__hit == 0) && 8672 <= s__state) && blastFlag == 3)) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8466 == s__state)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 3)) || (((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && blastFlag == 1) && 8496 < s__state)) || (blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496))) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 2) && s__state == 8512)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state == 8656) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2)) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state == 8560) && blastFlag == 2)) || ((((s__s3__tmp__next_state___0 <= 8576 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && ((2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y) || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y))) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || ((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8640 <= s__state)) || (8672 <= s__state && blastFlag == 1)) || (((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0)) || ((s__state == 8544 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && blastFlag == 2) - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && blastFlag == 1) && 8496 < s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && 8496 < s__state) && s__state <= 8576)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && blastFlag == 1) && 8496 < s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2)) || (((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__state <= 8576) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && blastFlag == 1) && 8496 < s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2)) || (((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__state <= 8576) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && blastFlag == 2) && 8640 <= s__state) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= s__state)) && 8640 <= s__state)) || (blastFlag == 1 && 8640 <= s__state)) || ((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state) - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: (((!(s__hit == 0) && blastFlag == 2) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && s__state < 8496)) || (((s__s3__tmp__next_state___0 <= 8576 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && blastFlag == 2) && s__state < 8496)) || (!(s__hit == 0) && blastFlag == 1) - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: ((((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && 8496 < s__state) && s__state <= 8576) || ((blastFlag == 1 && !(s__hit == 0)) && 8496 < s__state)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && blastFlag == 2) && s__state < 8496) || (!(s__hit == 0) && blastFlag == 2)) || (blastFlag == 1 && !(s__hit == 0))) || (((((s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && s__state < 8496) && 8496 < s__s3__tmp__next_state___0)) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && s__state < 8496) - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: ((((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && s__state <= 8576) || (!(s__hit == 0) && blastFlag == 2)) || (blastFlag == 1 && !(s__hit == 0))) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && s__state <= 8576) - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((blastFlag == 1 && !(s__hit == 0)) && 8496 < s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state < 8656) && blastFlag == 1) && 8496 < s__state)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2)) || (((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0) && blastFlag == 2) && 8640 <= s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state < 8656) && blastFlag == 1) && 8640 <= s__state)) || ((blastFlag == 1 && !(s__hit == 0)) && 8640 <= s__state)) || ((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8640 <= s__state)) || (((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0) - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && blastFlag == 1) && 8496 < s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2)) || (((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__state <= 8576) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && 8672 <= s__state) && blastFlag == 3) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 3)) || (8672 <= s__state && blastFlag == 1)) || ((!(s__hit == 0) && 8672 <= s__state) && blastFlag == 2) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && blastFlag == 2) && s__state < 8496) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0) && s__state < 8496)) || (!(s__hit == 0) && blastFlag == 2)) || (blastFlag == 1 && !(s__hit == 0))) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && s__state < 8496)) || (blastFlag == 0 && s__state < 8496) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && 8496 < s__state) && s__state <= 8576) || ((blastFlag == 1 && !(s__hit == 0)) && 8496 < s__state)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2) - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: ((((blastFlag == 1 && !(s__hit == 0)) && 8496 < s__state) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2)) || (((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && blastFlag == 1) && 8496 < s__state)) || (((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0) - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: ((((((((((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && s__state <= 8448) && blastFlag == 2) || ((blastFlag == 1 && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 0 == s__hit) && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || (((!(s__hit == 0) && s__state <= 8448) && blastFlag == 3) && 8640 <= s__s3__tmp__next_state___0)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || ((blastFlag == 1 && !(s__hit == 0)) && s__state <= 8448)) || ((!(s__hit == 0) && s__state <= 8448) && blastFlag == 2)) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && s__state <= 8448) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && blastFlag == 2) && s__state < 8496) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || (!(s__hit == 0) && blastFlag == 2)) || (blastFlag == 1 && ((2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y) || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y)))) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && s__state == 8656)) || (((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || (((s__s3__tmp__next_state___0 < 8496 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && ((2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y) || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y))) && blastFlag == 2)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 1) && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && 8496 < s__s3__tmp__next_state___0)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 0 == s__hit) && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || (((!(s__hit == 0) && s__state <= 8448) && blastFlag == 3) && 8640 <= s__s3__tmp__next_state___0)) || (blastFlag == 1 && !(s__hit == 0))) || (blastFlag == 0 && s__state == 8464)) || (((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8466 == s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || ((blastFlag == 1 && s__state <= 8448) && s__s3__tmp__next_state___0 == 3)) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 2) && s__state == 8528)) || ((!(s__hit == 0) && 8672 <= s__state) && blastFlag == 3)) || ((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8466 == s__state)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8672 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 3)) || (((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && blastFlag == 1) && 8496 < s__state)) || (blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496))) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && blastFlag == 2) && s__state == 8512)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state == 8656) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2)) || (((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state == 8560) && blastFlag == 2)) || ((((s__s3__tmp__next_state___0 <= 8576 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 <= 8496)) && ((2 * ag_X + 2 * ag_Y <= 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) == 2 * ag_X + 2 * ag_Y) || (4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 2147483647 < 2 * ag_X + 2 * ag_Y && s__state + 4294967296 * ((ag_X * 2 + ag_Y * 2) / 4294967296) + 4294967296 == 2 * ag_X + 2 * ag_Y))) && blastFlag == 2) && 8496 < s__s3__tmp__next_state___0)) || ((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) && 8640 <= s__state)) || (8672 <= s__state && blastFlag == 1)) || (((!(s__hit == 0) && blastFlag == 3) && 8640 <= s__state) && 8640 <= s__s3__tmp__next_state___0)) || ((s__state == 8544 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && blastFlag == 2) - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((((((s__state < 8656 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) || ((blastFlag == 1 && !(s__hit == 0)) && 8496 < s__state)) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && s__state < 8656) && blastFlag == 1) && 8496 < s__state)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2) - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: ((((!(s__hit == 0) && blastFlag == 1) && 8496 < s__state) || ((((2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656) && 8496 < s__state) && blastFlag == 2) && s__state <= 8576)) || ((!(s__hit == 0) && 8496 < s__state) && blastFlag == 2)) || (((blastFlag == 1 && (2147483647 < (ag_X * 2 + ag_Y * 2) % 4294967296 || (ag_X * 2 + ag_Y * 2) % 4294967296 < 8656)) && 8496 < s__state) && s__state <= 8576) RESULT: Ultimate proved your program to be correct! [2021-12-15 21:57:37,714 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