./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 08:56:14,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 08:56:14,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 08:56:14,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 08:56:14,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 08:56:14,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 08:56:14,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 08:56:14,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 08:56:14,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 08:56:14,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 08:56:14,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 08:56:14,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 08:56:14,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 08:56:14,754 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 08:56:14,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 08:56:14,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 08:56:14,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 08:56:14,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 08:56:14,758 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 08:56:14,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 08:56:14,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 08:56:14,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 08:56:14,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 08:56:14,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 08:56:14,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 08:56:14,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 08:56:14,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 08:56:14,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 08:56:14,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 08:56:14,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 08:56:14,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 08:56:14,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 08:56:14,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 08:56:14,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 08:56:14,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 08:56:14,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 08:56:14,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 08:56:14,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 08:56:14,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 08:56:14,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 08:56:14,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 08:56:14,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 08:56:14,800 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 08:56:14,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 08:56:14,801 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 08:56:14,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 08:56:14,802 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 08:56:14,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 08:56:14,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 08:56:14,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 08:56:14,803 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 08:56:14,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 08:56:14,803 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 08:56:14,804 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 08:56:14,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 08:56:14,805 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 08:56:14,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 08:56:14,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 08:56:14,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 08:56:14,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 08:56:14,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:14,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 08:56:14,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 08:56:14,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 08:56:14,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 08:56:14,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 08:56:14,806 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 08:56:14,807 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 08:56:14,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 08:56:14,807 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 08:56:14,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c802d0dd4f8edaf03f1251784a424c8f295192f6a4e7c65ec93469eacce08251 [2021-12-15 08:56:15,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 08:56:15,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 08:56:15,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 08:56:15,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 08:56:15,017 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 08:56:15,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-12-15 08:56:15,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b582855/ea33268c651444298344de3641a958d7/FLAG477be79f6 [2021-12-15 08:56:15,394 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 08:56:15,394 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c [2021-12-15 08:56:15,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b582855/ea33268c651444298344de3641a958d7/FLAG477be79f6 [2021-12-15 08:56:15,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96b582855/ea33268c651444298344de3641a958d7 [2021-12-15 08:56:15,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 08:56:15,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 08:56:15,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:15,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 08:56:15,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 08:56:15,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:15" (1/1) ... [2021-12-15 08:56:15,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c022b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:15, skipping insertion in model container [2021-12-15 08:56:15,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:56:15" (1/1) ... [2021-12-15 08:56:15,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 08:56:15,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 08:56:16,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2021-12-15 08:56:16,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:16,102 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 08:56:16,129 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_3a_alt.BV.c.cil.c[44628,44641] [2021-12-15 08:56:16,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 08:56:16,139 INFO L208 MainTranslator]: Completed translation [2021-12-15 08:56:16,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16 WrapperNode [2021-12-15 08:56:16,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 08:56:16,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:16,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 08:56:16,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 08:56:16,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,181 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 522 [2021-12-15 08:56:16,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 08:56:16,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 08:56:16,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 08:56:16,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 08:56:16,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 08:56:16,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 08:56:16,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 08:56:16,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 08:56:16,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (1/1) ... [2021-12-15 08:56:16,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 08:56:16,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:16,239 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 08:56:16,261 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 08:56:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 08:56:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 08:56:16,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 08:56:16,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 08:56:16,375 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 08:56:16,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 08:56:16,388 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 08:56:16,826 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-15 08:56:16,826 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-15 08:56:16,826 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 08:56:16,832 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 08:56:16,834 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 08:56:16,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:16 BoogieIcfgContainer [2021-12-15 08:56:16,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 08:56:16,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 08:56:16,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 08:56:16,841 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 08:56:16,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:56:15" (1/3) ... [2021-12-15 08:56:16,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694d9255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:16, skipping insertion in model container [2021-12-15 08:56:16,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:56:16" (2/3) ... [2021-12-15 08:56:16,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694d9255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:56:16, skipping insertion in model container [2021-12-15 08:56:16,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:16" (3/3) ... [2021-12-15 08:56:16,844 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a_alt.BV.c.cil.c [2021-12-15 08:56:16,848 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 08:56:16,848 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 08:56:16,880 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 08:56:16,885 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 08:56:16,885 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 08:56:16,895 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 08:56:16,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-12-15 08:56:16,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:16,901 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 08:56:16,901 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:16,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:16,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1632003015, now seen corresponding path program 1 times [2021-12-15 08:56:16,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:16,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636852639] [2021-12-15 08:56:16,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:16,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,056 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 08:56:17,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:17,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636852639] [2021-12-15 08:56:17,057 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636852639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756060479] [2021-12-15 08:56:17,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:17,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,083 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 08:56:17,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,193 INFO L93 Difference]: Finished difference Result 297 states and 509 transitions. [2021-12-15 08:56:17,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:17,195 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 08:56:17,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,202 INFO L225 Difference]: With dead ends: 297 [2021-12-15 08:56:17,202 INFO L226 Difference]: Without dead ends: 145 [2021-12-15 08:56:17,204 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 08:56:17,206 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 32 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,207 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 359 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:17,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-12-15 08:56:17,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 142. [2021-12-15 08:56:17,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 141 states have (on average 1.524822695035461) internal successors, (215), 141 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 215 transitions. [2021-12-15 08:56:17,246 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 215 transitions. Word has length 44 [2021-12-15 08:56:17,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,246 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 215 transitions. [2021-12-15 08:56:17,246 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 08:56:17,247 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 215 transitions. [2021-12-15 08:56:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-15 08:56:17,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,253 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 08:56:17,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 08:56:17,253 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:17,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:17,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1722912794, now seen corresponding path program 1 times [2021-12-15 08:56:17,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:17,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312201281] [2021-12-15 08:56:17,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:17,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,333 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 08:56:17,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:17,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312201281] [2021-12-15 08:56:17,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312201281] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927492025] [2021-12-15 08:56:17,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:17,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,338 INFO L87 Difference]: Start difference. First operand 142 states and 215 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,447 INFO L93 Difference]: Finished difference Result 301 states and 462 transitions. [2021-12-15 08:56:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:17,447 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 08:56:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,451 INFO L225 Difference]: With dead ends: 301 [2021-12-15 08:56:17,451 INFO L226 Difference]: Without dead ends: 167 [2021-12-15 08:56:17,455 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 08:56:17,457 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 14 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,457 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 283 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2021-12-15 08:56:17,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 163. [2021-12-15 08:56:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 162 states have (on average 1.4876543209876543) internal successors, (241), 162 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 241 transitions. [2021-12-15 08:56:17,474 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 241 transitions. Word has length 60 [2021-12-15 08:56:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,475 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 241 transitions. [2021-12-15 08:56:17,476 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 08:56:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2021-12-15 08:56:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-15 08:56:17,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,482 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 08:56:17,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 08:56:17,482 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:17,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1797387181, now seen corresponding path program 1 times [2021-12-15 08:56:17,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:17,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201671834] [2021-12-15 08:56:17,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:17,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,560 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 08:56:17,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:17,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201671834] [2021-12-15 08:56:17,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201671834] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601605484] [2021-12-15 08:56:17,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:17,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,563 INFO L87 Difference]: Start difference. First operand 163 states and 241 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,664 INFO L93 Difference]: Finished difference Result 345 states and 517 transitions. [2021-12-15 08:56:17,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:17,664 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 08:56:17,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,665 INFO L225 Difference]: With dead ends: 345 [2021-12-15 08:56:17,665 INFO L226 Difference]: Without dead ends: 190 [2021-12-15 08:56:17,666 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 08:56:17,667 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 13 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,667 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 296 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:17,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-12-15 08:56:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2021-12-15 08:56:17,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.4516129032258065) internal successors, (270), 186 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 270 transitions. [2021-12-15 08:56:17,673 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 270 transitions. Word has length 81 [2021-12-15 08:56:17,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,673 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 270 transitions. [2021-12-15 08:56:17,673 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 08:56:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 270 transitions. [2021-12-15 08:56:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-15 08:56:17,674 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,674 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 08:56:17,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-15 08:56:17,674 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:17,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:17,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2045533675, now seen corresponding path program 1 times [2021-12-15 08:56:17,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:17,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56212567] [2021-12-15 08:56:17,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:17,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,708 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 08:56:17,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:17,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56212567] [2021-12-15 08:56:17,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56212567] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,709 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161898996] [2021-12-15 08:56:17,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:17,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,711 INFO L87 Difference]: Start difference. First operand 187 states and 270 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,809 INFO L93 Difference]: Finished difference Result 411 states and 610 transitions. [2021-12-15 08:56:17,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:17,809 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 08:56:17,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,810 INFO L225 Difference]: With dead ends: 411 [2021-12-15 08:56:17,811 INFO L226 Difference]: Without dead ends: 232 [2021-12-15 08:56:17,811 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 08:56:17,812 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 15 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 283 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:17,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-12-15 08:56:17,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2021-12-15 08:56:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 227 states have (on average 1.3920704845814977) internal successors, (316), 227 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 316 transitions. [2021-12-15 08:56:17,818 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 316 transitions. Word has length 81 [2021-12-15 08:56:17,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,818 INFO L470 AbstractCegarLoop]: Abstraction has 228 states and 316 transitions. [2021-12-15 08:56:17,818 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 08:56:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 316 transitions. [2021-12-15 08:56:17,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-15 08:56:17,819 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,819 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 08:56:17,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-15 08:56:17,820 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:17,826 INFO L85 PathProgramCache]: Analyzing trace with hash 755662145, now seen corresponding path program 1 times [2021-12-15 08:56:17,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:17,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479509387] [2021-12-15 08:56:17,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:17,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,859 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 08:56:17,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:17,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479509387] [2021-12-15 08:56:17,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479509387] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,860 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106340724] [2021-12-15 08:56:17,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,862 INFO L87 Difference]: Start difference. First operand 228 states and 316 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:17,950 INFO L93 Difference]: Finished difference Result 485 states and 686 transitions. [2021-12-15 08:56:17,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:17,951 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 08:56:17,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:17,952 INFO L225 Difference]: With dead ends: 485 [2021-12-15 08:56:17,952 INFO L226 Difference]: Without dead ends: 265 [2021-12-15 08:56:17,952 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 08:56:17,953 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 29 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:17,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 298 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:17,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-12-15 08:56:17,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 253. [2021-12-15 08:56:17,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.373015873015873) internal successors, (346), 252 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:17,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 346 transitions. [2021-12-15 08:56:17,959 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 346 transitions. Word has length 101 [2021-12-15 08:56:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:17,959 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 346 transitions. [2021-12-15 08:56:17,959 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 08:56:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2021-12-15 08:56:17,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-15 08:56:17,960 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:17,960 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 08:56:17,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-15 08:56:17,961 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:17,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:17,961 INFO L85 PathProgramCache]: Analyzing trace with hash -687746511, now seen corresponding path program 1 times [2021-12-15 08:56:17,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:17,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700388125] [2021-12-15 08:56:17,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:17,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:17,994 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 08:56:17,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:17,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700388125] [2021-12-15 08:56:17,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700388125] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:17,995 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:17,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:17,995 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305605388] [2021-12-15 08:56:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:17,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:17,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:17,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:17,996 INFO L87 Difference]: Start difference. First operand 253 states and 346 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:18,016 INFO L93 Difference]: Finished difference Result 739 states and 1011 transitions. [2021-12-15 08:56:18,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:18,016 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 08:56:18,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:18,018 INFO L225 Difference]: With dead ends: 739 [2021-12-15 08:56:18,018 INFO L226 Difference]: Without dead ends: 494 [2021-12-15 08:56:18,019 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 08:56:18,019 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 131 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:18,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 487 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:18,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2021-12-15 08:56:18,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2021-12-15 08:56:18,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 493 states have (on average 1.3630831643002028) internal successors, (672), 493 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 672 transitions. [2021-12-15 08:56:18,028 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 672 transitions. Word has length 121 [2021-12-15 08:56:18,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:18,028 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 672 transitions. [2021-12-15 08:56:18,028 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 08:56:18,029 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 672 transitions. [2021-12-15 08:56:18,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-15 08:56:18,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:18,030 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 08:56:18,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-15 08:56:18,030 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,030 INFO L85 PathProgramCache]: Analyzing trace with hash 209646767, now seen corresponding path program 1 times [2021-12-15 08:56:18,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:18,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546445025] [2021-12-15 08:56:18,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:18,074 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 08:56:18,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:18,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546445025] [2021-12-15 08:56:18,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546445025] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:18,075 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:18,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:18,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440449565] [2021-12-15 08:56:18,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:18,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:18,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:18,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:18,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:18,076 INFO L87 Difference]: Start difference. First operand 494 states and 672 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:18,102 INFO L93 Difference]: Finished difference Result 1219 states and 1660 transitions. [2021-12-15 08:56:18,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:18,103 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 08:56:18,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:18,106 INFO L225 Difference]: With dead ends: 1219 [2021-12-15 08:56:18,106 INFO L226 Difference]: Without dead ends: 733 [2021-12-15 08:56:18,106 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 08:56:18,107 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 129 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:18,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 453 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:18,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2021-12-15 08:56:18,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 733. [2021-12-15 08:56:18,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 733 states, 732 states have (on average 1.3592896174863387) internal successors, (995), 732 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 995 transitions. [2021-12-15 08:56:18,118 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 995 transitions. Word has length 121 [2021-12-15 08:56:18,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:18,118 INFO L470 AbstractCegarLoop]: Abstraction has 733 states and 995 transitions. [2021-12-15 08:56:18,118 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 08:56:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 995 transitions. [2021-12-15 08:56:18,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-15 08:56:18,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:18,120 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 08:56:18,120 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-15 08:56:18,120 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1728089839, now seen corresponding path program 1 times [2021-12-15 08:56:18,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:18,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086832663] [2021-12-15 08:56:18,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:18,146 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-12-15 08:56:18,146 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:18,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086832663] [2021-12-15 08:56:18,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086832663] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:18,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:18,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:18,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039519385] [2021-12-15 08:56:18,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:18,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:18,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:18,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:18,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:18,148 INFO L87 Difference]: Start difference. First operand 733 states and 995 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:18,163 INFO L93 Difference]: Finished difference Result 1482 states and 2008 transitions. [2021-12-15 08:56:18,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:18,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-15 08:56:18,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:18,166 INFO L225 Difference]: With dead ends: 1482 [2021-12-15 08:56:18,166 INFO L226 Difference]: Without dead ends: 757 [2021-12-15 08:56:18,167 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 08:56:18,167 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 10 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:18,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 382 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:18,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2021-12-15 08:56:18,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2021-12-15 08:56:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 756 states have (on average 1.3544973544973544) internal successors, (1024), 756 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1024 transitions. [2021-12-15 08:56:18,177 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1024 transitions. Word has length 121 [2021-12-15 08:56:18,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:18,178 INFO L470 AbstractCegarLoop]: Abstraction has 757 states and 1024 transitions. [2021-12-15 08:56:18,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,178 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1024 transitions. [2021-12-15 08:56:18,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-15 08:56:18,179 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:18,180 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 08:56:18,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-15 08:56:18,180 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,180 INFO L85 PathProgramCache]: Analyzing trace with hash -305304207, now seen corresponding path program 1 times [2021-12-15 08:56:18,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:18,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045057665] [2021-12-15 08:56:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:18,198 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-12-15 08:56:18,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:18,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045057665] [2021-12-15 08:56:18,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045057665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:18,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:18,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:18,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763075197] [2021-12-15 08:56:18,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:18,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:18,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:18,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:18,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:18,200 INFO L87 Difference]: Start difference. First operand 757 states and 1024 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:18,215 INFO L93 Difference]: Finished difference Result 1519 states and 2050 transitions. [2021-12-15 08:56:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:18,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2021-12-15 08:56:18,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:18,217 INFO L225 Difference]: With dead ends: 1519 [2021-12-15 08:56:18,218 INFO L226 Difference]: Without dead ends: 770 [2021-12-15 08:56:18,218 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 08:56:18,219 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 6 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:18,219 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 362 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:18,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2021-12-15 08:56:18,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2021-12-15 08:56:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 769 states have (on average 1.3485045513654097) internal successors, (1037), 769 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1037 transitions. [2021-12-15 08:56:18,229 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1037 transitions. Word has length 121 [2021-12-15 08:56:18,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:18,229 INFO L470 AbstractCegarLoop]: Abstraction has 770 states and 1037 transitions. [2021-12-15 08:56:18,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,230 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1037 transitions. [2021-12-15 08:56:18,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-15 08:56:18,231 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:18,231 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:18,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-15 08:56:18,232 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,232 INFO L85 PathProgramCache]: Analyzing trace with hash -247255522, now seen corresponding path program 1 times [2021-12-15 08:56:18,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:18,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120885535] [2021-12-15 08:56:18,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:18,244 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 08:56:18,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [536389682] [2021-12-15 08:56:18,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:18,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:18,246 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 08:56:18,246 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 08:56:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:18,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:18,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:18,559 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-12-15 08:56:18,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:18,560 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:18,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120885535] [2021-12-15 08:56:18,560 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 08:56:18,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536389682] [2021-12-15 08:56:18,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536389682] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:18,561 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:18,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:18,561 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239338875] [2021-12-15 08:56:18,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:18,561 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:18,561 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:18,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:18,562 INFO L87 Difference]: Start difference. First operand 770 states and 1037 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:18,694 INFO L93 Difference]: Finished difference Result 1632 states and 2247 transitions. [2021-12-15 08:56:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:18,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 159 [2021-12-15 08:56:18,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:18,697 INFO L225 Difference]: With dead ends: 1632 [2021-12-15 08:56:18,698 INFO L226 Difference]: Without dead ends: 883 [2021-12-15 08:56:18,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:18,700 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 34 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:18,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 283 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:18,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2021-12-15 08:56:18,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 852. [2021-12-15 08:56:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 851 states have (on average 1.3337250293772034) internal successors, (1135), 851 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1135 transitions. [2021-12-15 08:56:18,714 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1135 transitions. Word has length 159 [2021-12-15 08:56:18,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:18,714 INFO L470 AbstractCegarLoop]: Abstraction has 852 states and 1135 transitions. [2021-12-15 08:56:18,714 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 08:56:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1135 transitions. [2021-12-15 08:56:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-15 08:56:18,716 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:18,716 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:18,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-15 08:56:18,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-15 08:56:18,930 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:18,931 INFO L85 PathProgramCache]: Analyzing trace with hash -485577875, now seen corresponding path program 1 times [2021-12-15 08:56:18,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:18,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058229353] [2021-12-15 08:56:18,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:18,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:18,967 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-12-15 08:56:18,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:18,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058229353] [2021-12-15 08:56:18,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058229353] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:18,968 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:18,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:18,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862880957] [2021-12-15 08:56:18,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:18,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:18,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:18,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:18,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:18,969 INFO L87 Difference]: Start difference. First operand 852 states and 1135 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:19,074 INFO L93 Difference]: Finished difference Result 1850 states and 2535 transitions. [2021-12-15 08:56:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:19,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 171 [2021-12-15 08:56:19,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:19,078 INFO L225 Difference]: With dead ends: 1850 [2021-12-15 08:56:19,078 INFO L226 Difference]: Without dead ends: 1016 [2021-12-15 08:56:19,079 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 08:56:19,080 INFO L933 BasicCegarLoop]: 124 mSDtfsCounter, 156 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:19,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 150 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:19,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1016 states. [2021-12-15 08:56:19,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1016 to 1002. [2021-12-15 08:56:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 1001 states have (on average 1.3856143856143857) internal successors, (1387), 1001 states have internal predecessors, (1387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1387 transitions. [2021-12-15 08:56:19,096 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1387 transitions. Word has length 171 [2021-12-15 08:56:19,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:19,096 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1387 transitions. [2021-12-15 08:56:19,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1387 transitions. [2021-12-15 08:56:19,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-15 08:56:19,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:19,098 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:19,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-15 08:56:19,099 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:19,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash 118327499, now seen corresponding path program 1 times [2021-12-15 08:56:19,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:19,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547316636] [2021-12-15 08:56:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:19,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:19,114 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 08:56:19,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839849022] [2021-12-15 08:56:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:19,115 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:19,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:19,116 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 08:56:19,117 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 08:56:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:19,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:19,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-12-15 08:56:19,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:19,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:19,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547316636] [2021-12-15 08:56:19,456 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 08:56:19,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839849022] [2021-12-15 08:56:19,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839849022] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:19,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:19,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:19,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790777529] [2021-12-15 08:56:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:19,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:19,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:19,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:19,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:19,458 INFO L87 Difference]: Start difference. First operand 1002 states and 1387 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:19,562 INFO L93 Difference]: Finished difference Result 2112 states and 2980 transitions. [2021-12-15 08:56:19,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:19,563 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 201 [2021-12-15 08:56:19,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:19,566 INFO L225 Difference]: With dead ends: 2112 [2021-12-15 08:56:19,566 INFO L226 Difference]: Without dead ends: 1098 [2021-12-15 08:56:19,568 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:19,569 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 28 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:19,569 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 292 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-12-15 08:56:19,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1095. [2021-12-15 08:56:19,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1095 states, 1094 states have (on average 1.3720292504570384) internal successors, (1501), 1094 states have internal predecessors, (1501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1501 transitions. [2021-12-15 08:56:19,584 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1501 transitions. Word has length 201 [2021-12-15 08:56:19,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:19,584 INFO L470 AbstractCegarLoop]: Abstraction has 1095 states and 1501 transitions. [2021-12-15 08:56:19,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:19,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1501 transitions. [2021-12-15 08:56:19,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-12-15 08:56:19,587 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:19,587 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:19,606 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 08:56:19,803 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-15 08:56:19,803 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:19,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:19,804 INFO L85 PathProgramCache]: Analyzing trace with hash 810941761, now seen corresponding path program 1 times [2021-12-15 08:56:19,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:19,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499888763] [2021-12-15 08:56:19,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:19,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:19,819 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 08:56:19,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041811503] [2021-12-15 08:56:19,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:19,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:19,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:19,823 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 08:56:19,851 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 08:56:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:19,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:19,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2021-12-15 08:56:20,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:20,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:20,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499888763] [2021-12-15 08:56:20,174 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 08:56:20,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041811503] [2021-12-15 08:56:20,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041811503] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:20,174 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:20,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:20,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331751227] [2021-12-15 08:56:20,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:20,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:20,175 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:20,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:20,176 INFO L87 Difference]: Start difference. First operand 1095 states and 1501 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:20,263 INFO L93 Difference]: Finished difference Result 2262 states and 3091 transitions. [2021-12-15 08:56:20,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:20,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 257 [2021-12-15 08:56:20,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:20,266 INFO L225 Difference]: With dead ends: 2262 [2021-12-15 08:56:20,266 INFO L226 Difference]: Without dead ends: 1090 [2021-12-15 08:56:20,267 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:20,268 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 9 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:20,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 299 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:20,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2021-12-15 08:56:20,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 1090. [2021-12-15 08:56:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1090 states, 1089 states have (on average 1.3663911845730028) internal successors, (1488), 1089 states have internal predecessors, (1488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1488 transitions. [2021-12-15 08:56:20,283 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1488 transitions. Word has length 257 [2021-12-15 08:56:20,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:20,283 INFO L470 AbstractCegarLoop]: Abstraction has 1090 states and 1488 transitions. [2021-12-15 08:56:20,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1488 transitions. [2021-12-15 08:56:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-12-15 08:56:20,286 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:20,286 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:20,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-15 08:56:20,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:20,504 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:20,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1622703552, now seen corresponding path program 1 times [2021-12-15 08:56:20,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:20,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633674772] [2021-12-15 08:56:20,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:20,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:20,515 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 08:56:20,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580949678] [2021-12-15 08:56:20,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:20,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:20,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:20,517 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 08:56:20,518 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 08:56:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:20,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:20,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:20,919 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-12-15 08:56:20,919 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:20,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:20,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633674772] [2021-12-15 08:56:20,920 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 08:56:20,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580949678] [2021-12-15 08:56:20,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580949678] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:20,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:20,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:20,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348973057] [2021-12-15 08:56:20,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:20,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:20,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:20,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:20,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:20,922 INFO L87 Difference]: Start difference. First operand 1090 states and 1488 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:20,943 INFO L93 Difference]: Finished difference Result 3111 states and 4277 transitions. [2021-12-15 08:56:20,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:20,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 269 [2021-12-15 08:56:20,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:20,947 INFO L225 Difference]: With dead ends: 3111 [2021-12-15 08:56:20,947 INFO L226 Difference]: Without dead ends: 1383 [2021-12-15 08:56:20,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:20,949 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 116 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:20,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 510 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 08:56:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2021-12-15 08:56:20,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1381. [2021-12-15 08:56:20,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 1380 states have (on average 1.3695652173913044) internal successors, (1890), 1380 states have internal predecessors, (1890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1890 transitions. [2021-12-15 08:56:20,965 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1890 transitions. Word has length 269 [2021-12-15 08:56:20,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:20,966 INFO L470 AbstractCegarLoop]: Abstraction has 1381 states and 1890 transitions. [2021-12-15 08:56:20,966 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 08:56:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1890 transitions. [2021-12-15 08:56:20,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-12-15 08:56:20,968 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:20,969 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:20,986 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:21,184 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:21,184 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:21,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:21,184 INFO L85 PathProgramCache]: Analyzing trace with hash 746936446, now seen corresponding path program 1 times [2021-12-15 08:56:21,184 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:21,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797466209] [2021-12-15 08:56:21,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:21,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:21,214 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2021-12-15 08:56:21,214 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:21,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797466209] [2021-12-15 08:56:21,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797466209] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:21,215 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:21,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:21,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565249974] [2021-12-15 08:56:21,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:21,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:21,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:21,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:21,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:21,216 INFO L87 Difference]: Start difference. First operand 1381 states and 1890 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:21,300 INFO L93 Difference]: Finished difference Result 2877 states and 3987 transitions. [2021-12-15 08:56:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:21,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 315 [2021-12-15 08:56:21,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:21,304 INFO L225 Difference]: With dead ends: 2877 [2021-12-15 08:56:21,304 INFO L226 Difference]: Without dead ends: 1517 [2021-12-15 08:56:21,307 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 08:56:21,308 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 18 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:21,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 293 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:21,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2021-12-15 08:56:21,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1489. [2021-12-15 08:56:21,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1488 states have (on average 1.3561827956989247) internal successors, (2018), 1488 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 2018 transitions. [2021-12-15 08:56:21,337 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 2018 transitions. Word has length 315 [2021-12-15 08:56:21,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:21,337 INFO L470 AbstractCegarLoop]: Abstraction has 1489 states and 2018 transitions. [2021-12-15 08:56:21,337 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2018 transitions. [2021-12-15 08:56:21,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-12-15 08:56:21,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:21,340 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:21,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-15 08:56:21,340 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:21,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:21,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1865013778, now seen corresponding path program 1 times [2021-12-15 08:56:21,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:21,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622911261] [2021-12-15 08:56:21,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:21,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:21,359 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 08:56:21,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [11085315] [2021-12-15 08:56:21,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:21,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:21,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:21,360 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 08:56:21,361 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 08:56:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:21,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:21,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:21,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2021-12-15 08:56:21,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:21,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:21,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622911261] [2021-12-15 08:56:21,805 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 08:56:21,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11085315] [2021-12-15 08:56:21,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11085315] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:21,805 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:21,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:21,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646357280] [2021-12-15 08:56:21,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:21,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:21,806 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:21,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:21,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:21,806 INFO L87 Difference]: Start difference. First operand 1489 states and 2018 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:21,915 INFO L93 Difference]: Finished difference Result 3081 states and 4219 transitions. [2021-12-15 08:56:21,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:21,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2021-12-15 08:56:21,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:21,919 INFO L225 Difference]: With dead ends: 3081 [2021-12-15 08:56:21,919 INFO L226 Difference]: Without dead ends: 1613 [2021-12-15 08:56:21,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:21,921 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:21,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:21,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2021-12-15 08:56:21,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 1605. [2021-12-15 08:56:21,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1604 states have (on average 1.3428927680798004) internal successors, (2154), 1604 states have internal predecessors, (2154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2154 transitions. [2021-12-15 08:56:21,950 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2154 transitions. Word has length 338 [2021-12-15 08:56:21,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:21,951 INFO L470 AbstractCegarLoop]: Abstraction has 1605 states and 2154 transitions. [2021-12-15 08:56:21,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2154 transitions. [2021-12-15 08:56:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-15 08:56:21,954 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:21,955 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:21,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:22,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-12-15 08:56:22,174 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:22,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:22,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1876884711, now seen corresponding path program 1 times [2021-12-15 08:56:22,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:22,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796928480] [2021-12-15 08:56:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:22,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-12-15 08:56:22,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:22,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796928480] [2021-12-15 08:56:22,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796928480] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 08:56:22,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763584373] [2021-12-15 08:56:22,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:22,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:22,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:22,217 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:56:22,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-15 08:56:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:22,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:22,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-12-15 08:56:22,680 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-12-15 08:56:23,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763584373] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:23,104 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 08:56:23,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2021-12-15 08:56:23,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522103434] [2021-12-15 08:56:23,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:23,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-15 08:56:23,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:23,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-15 08:56:23,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-15 08:56:23,105 INFO L87 Difference]: Start difference. First operand 1605 states and 2154 transitions. Second operand has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:23,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:23,485 INFO L93 Difference]: Finished difference Result 5409 states and 7434 transitions. [2021-12-15 08:56:23,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-15 08:56:23,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 370 [2021-12-15 08:56:23,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:23,495 INFO L225 Difference]: With dead ends: 5409 [2021-12-15 08:56:23,495 INFO L226 Difference]: Without dead ends: 3652 [2021-12-15 08:56:23,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 750 GetRequests, 742 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-12-15 08:56:23,498 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 539 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:23,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [539 Valid, 590 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 08:56:23,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2021-12-15 08:56:23,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 2133. [2021-12-15 08:56:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2133 states, 2132 states have (on average 1.420731707317073) internal successors, (3029), 2132 states have internal predecessors, (3029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:23,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 3029 transitions. [2021-12-15 08:56:23,549 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 3029 transitions. Word has length 370 [2021-12-15 08:56:23,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:23,549 INFO L470 AbstractCegarLoop]: Abstraction has 2133 states and 3029 transitions. [2021-12-15 08:56:23,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.0) internal successors, (240), 6 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 3029 transitions. [2021-12-15 08:56:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2021-12-15 08:56:23,552 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:23,552 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:23,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:23,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-15 08:56:23,763 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:23,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:23,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1752367566, now seen corresponding path program 1 times [2021-12-15 08:56:23,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:23,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982047276] [2021-12-15 08:56:23,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:23,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-12-15 08:56:23,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:23,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982047276] [2021-12-15 08:56:23,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982047276] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:23,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:23,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:23,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642654647] [2021-12-15 08:56:23,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:23,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:23,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:23,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:23,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:23,810 INFO L87 Difference]: Start difference. First operand 2133 states and 3029 transitions. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:23,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:23,912 INFO L93 Difference]: Finished difference Result 4569 states and 6591 transitions. [2021-12-15 08:56:23,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:23,912 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 470 [2021-12-15 08:56:23,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:23,918 INFO L225 Difference]: With dead ends: 4569 [2021-12-15 08:56:23,918 INFO L226 Difference]: Without dead ends: 2457 [2021-12-15 08:56:23,920 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 08:56:23,922 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:23,922 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:23,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2457 states. [2021-12-15 08:56:23,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2457 to 2439. [2021-12-15 08:56:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2438 states have (on average 1.3863822805578343) internal successors, (3380), 2438 states have internal predecessors, (3380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 3380 transitions. [2021-12-15 08:56:23,961 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 3380 transitions. Word has length 470 [2021-12-15 08:56:23,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:23,961 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 3380 transitions. [2021-12-15 08:56:23,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 3380 transitions. [2021-12-15 08:56:23,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-12-15 08:56:23,966 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:23,966 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:23,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-15 08:56:23,967 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:23,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:23,968 INFO L85 PathProgramCache]: Analyzing trace with hash -742298620, now seen corresponding path program 1 times [2021-12-15 08:56:23,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:23,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860569486] [2021-12-15 08:56:23,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:23,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2021-12-15 08:56:24,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:24,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860569486] [2021-12-15 08:56:24,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860569486] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:24,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:24,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:24,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060407413] [2021-12-15 08:56:24,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:24,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:24,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:24,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:24,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:24,043 INFO L87 Difference]: Start difference. First operand 2439 states and 3380 transitions. Second operand has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:24,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:24,133 INFO L93 Difference]: Finished difference Result 5044 states and 7061 transitions. [2021-12-15 08:56:24,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:24,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 532 [2021-12-15 08:56:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:24,139 INFO L225 Difference]: With dead ends: 5044 [2021-12-15 08:56:24,140 INFO L226 Difference]: Without dead ends: 2626 [2021-12-15 08:56:24,142 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 08:56:24,143 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 11 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:24,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 293 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:24,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2021-12-15 08:56:24,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2256. [2021-12-15 08:56:24,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2256 states, 2255 states have (on average 1.366740576496674) internal successors, (3082), 2255 states have internal predecessors, (3082), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 2256 states and 3082 transitions. [2021-12-15 08:56:24,176 INFO L78 Accepts]: Start accepts. Automaton has 2256 states and 3082 transitions. Word has length 532 [2021-12-15 08:56:24,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:24,177 INFO L470 AbstractCegarLoop]: Abstraction has 2256 states and 3082 transitions. [2021-12-15 08:56:24,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.0) internal successors, (171), 3 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 3082 transitions. [2021-12-15 08:56:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-12-15 08:56:24,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:24,181 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 11, 9, 9, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:24,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-15 08:56:24,181 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:24,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:24,182 INFO L85 PathProgramCache]: Analyzing trace with hash 478731582, now seen corresponding path program 1 times [2021-12-15 08:56:24,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:24,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148897254] [2021-12-15 08:56:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:24,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:24,205 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-12-15 08:56:24,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537598496] [2021-12-15 08:56:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:24,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:24,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:24,207 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:56:24,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-15 08:56:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:24,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-15 08:56:24,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:24,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3956 backedges. 2220 proven. 0 refuted. 0 times theorem prover too weak. 1736 trivial. 0 not checked. [2021-12-15 08:56:24,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 08:56:24,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:24,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148897254] [2021-12-15 08:56:24,940 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-12-15 08:56:24,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537598496] [2021-12-15 08:56:24,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537598496] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:24,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:24,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:24,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494291483] [2021-12-15 08:56:24,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:24,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:24,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:24,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:24,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:24,942 INFO L87 Difference]: Start difference. First operand 2256 states and 3082 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:25,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:25,054 INFO L93 Difference]: Finished difference Result 4127 states and 5520 transitions. [2021-12-15 08:56:25,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:25,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 588 [2021-12-15 08:56:25,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:25,059 INFO L225 Difference]: With dead ends: 4127 [2021-12-15 08:56:25,059 INFO L226 Difference]: Without dead ends: 1776 [2021-12-15 08:56:25,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 586 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:25,062 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 39 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:25,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 264 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:25,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1776 states. [2021-12-15 08:56:25,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1776 to 1776. [2021-12-15 08:56:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1776 states, 1775 states have (on average 1.2569014084507042) internal successors, (2231), 1775 states have internal predecessors, (2231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1776 states and 2231 transitions. [2021-12-15 08:56:25,087 INFO L78 Accepts]: Start accepts. Automaton has 1776 states and 2231 transitions. Word has length 588 [2021-12-15 08:56:25,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:25,088 INFO L470 AbstractCegarLoop]: Abstraction has 1776 states and 2231 transitions. [2021-12-15 08:56:25,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:25,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2231 transitions. [2021-12-15 08:56:25,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2021-12-15 08:56:25,091 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:25,092 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:25,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:25,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:25,309 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:25,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:25,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1835374162, now seen corresponding path program 1 times [2021-12-15 08:56:25,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:25,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303439147] [2021-12-15 08:56:25,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:25,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:25,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-15 08:56:25,386 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:25,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303439147] [2021-12-15 08:56:25,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303439147] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-15 08:56:25,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925564442] [2021-12-15 08:56:25,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:25,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-15 08:56:25,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 08:56:25,388 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-15 08:56:25,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-15 08:56:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:25,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-15 08:56:25,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 08:56:26,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-15 08:56:26,114 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-15 08:56:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-15 08:56:26,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925564442] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-15 08:56:26,708 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-15 08:56:26,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-12-15 08:56:26,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529685621] [2021-12-15 08:56:26,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-15 08:56:26,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-15 08:56:26,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:26,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-15 08:56:26,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-15 08:56:26,710 INFO L87 Difference]: Start difference. First operand 1776 states and 2231 transitions. Second operand has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:27,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:27,126 INFO L93 Difference]: Finished difference Result 5510 states and 7035 transitions. [2021-12-15 08:56:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-15 08:56:27,127 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 598 [2021-12-15 08:56:27,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:27,149 INFO L225 Difference]: With dead ends: 5510 [2021-12-15 08:56:27,152 INFO L226 Difference]: Without dead ends: 3642 [2021-12-15 08:56:27,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1204 GetRequests, 1195 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-15 08:56:27,157 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 440 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:27,157 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [440 Valid, 1168 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-15 08:56:27,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2021-12-15 08:56:27,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 2178. [2021-12-15 08:56:27,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 1.3100597152044098) internal successors, (2852), 2177 states have internal predecessors, (2852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 2852 transitions. [2021-12-15 08:56:27,206 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 2852 transitions. Word has length 598 [2021-12-15 08:56:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:27,206 INFO L470 AbstractCegarLoop]: Abstraction has 2178 states and 2852 transitions. [2021-12-15 08:56:27,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 41.375) internal successors, (331), 8 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 2852 transitions. [2021-12-15 08:56:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2021-12-15 08:56:27,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 08:56:27,212 INFO L514 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 20, 20, 18, 18, 16, 16, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:27,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-12-15 08:56:27,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-12-15 08:56:27,430 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 08:56:27,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 08:56:27,430 INFO L85 PathProgramCache]: Analyzing trace with hash 465535293, now seen corresponding path program 1 times [2021-12-15 08:56:27,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 08:56:27,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219197008] [2021-12-15 08:56:27,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 08:56:27,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 08:56:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 08:56:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 5990 backedges. 3252 proven. 0 refuted. 0 times theorem prover too weak. 2738 trivial. 0 not checked. [2021-12-15 08:56:27,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 08:56:27,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219197008] [2021-12-15 08:56:27,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219197008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 08:56:27,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 08:56:27,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-15 08:56:27,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871746506] [2021-12-15 08:56:27,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 08:56:27,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-15 08:56:27,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 08:56:27,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-15 08:56:27,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-15 08:56:27,524 INFO L87 Difference]: Start difference. First operand 2178 states and 2852 transitions. Second operand has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:27,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 08:56:27,596 INFO L93 Difference]: Finished difference Result 2777 states and 3618 transitions. [2021-12-15 08:56:27,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-15 08:56:27,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 722 [2021-12-15 08:56:27,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 08:56:27,598 INFO L225 Difference]: With dead ends: 2777 [2021-12-15 08:56:27,598 INFO L226 Difference]: Without dead ends: 0 [2021-12-15 08:56:27,600 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 08:56:27,600 INFO L933 BasicCegarLoop]: 125 mSDtfsCounter, 120 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-15 08:56:27,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 146 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-15 08:56:27,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-15 08:56:27,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-15 08:56:27,601 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 08:56:27,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-15 08:56:27,601 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 722 [2021-12-15 08:56:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 08:56:27,602 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-15 08:56:27,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.66666666666667) internal successors, (206), 3 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 08:56:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-15 08:56:27,602 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-15 08:56:27,604 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 08:56:27,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-15 08:56:27,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-15 08:56:29,093 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 536) no Hoare annotation was computed. [2021-12-15 08:56:29,093 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2021-12-15 08:56:29,094 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2021-12-15 08:56:29,094 INFO L854 garLoopResultBuilder]: At program point L598(lines 109 666) the Hoare annotation is: (let ((.cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse2) (and .cse3 .cse1 .cse4) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse1) (and .cse5 .cse2) (and .cse1 .cse6) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse1) (and .cse1 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and .cse5 .cse6) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse1) (and .cse5 .cse1) (and .cse3 .cse5 .cse4) (and .cse5 .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)))) [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 605) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 616) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 627) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2021-12-15 08:56:29,095 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L861 garLoopResultBuilder]: At program point L667(lines 108 668) the Hoare annotation is: true [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 604) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 615) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 626) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 605) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse2 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)))) [2021-12-15 08:56:29,096 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 616) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 664) no Hoare annotation was computed. [2021-12-15 08:56:29,096 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 661) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 575) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L538(lines 538 542) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L571-2(lines 571 575) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L538-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L854 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 603) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 614) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 625) no Hoare annotation was computed. [2021-12-15 08:56:29,097 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 666) the Hoare annotation is: (let ((.cse8 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8464)) (.cse6 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8608)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse4 (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse5 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse7 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8592)) (.cse0 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8496)) (.cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3) .cse2) (and .cse3 .cse1 .cse4) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8560) .cse1) (and .cse5 .cse2) (and .cse1 .cse6) (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 3) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8544) .cse1) (and .cse1 .cse7) (and (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse1 .cse8) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8512)) (and (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse8) (and .cse5 .cse6) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) .cse1) (and .cse5 .cse1) (and .cse3 .cse5 .cse4) (and .cse5 .cse7) (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8528)))) [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L671(lines 671 675) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 647) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L671-2(lines 671 675) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L638-2(lines 637 659) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,098 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 614) the Hoare annotation is: (let ((.cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse1 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse1 .cse2) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 3)))) [2021-12-15 08:56:29,098 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 627) the Hoare annotation is: (let ((.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse3 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 0) .cse4) (and .cse3 .cse2 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 644) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 602) no Hoare annotation was computed. [2021-12-15 08:56:29,098 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 613) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 624) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 635) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 603) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|))) (or (and .cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-15 08:56:29,099 INFO L854 garLoopResultBuilder]: At program point L113(lines 112 635) the Hoare annotation is: (let ((.cse0 (<= 8672 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)))) [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L511(lines 511 515) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 601) no Hoare annotation was computed. [2021-12-15 08:56:29,099 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 612) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 623) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 634) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 601) the Hoare annotation is: true [2021-12-15 08:56:29,100 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 613) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) (<= |ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1| 8576) .cse2))) [2021-12-15 08:56:29,100 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 624) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (.cse4 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse5 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 1)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse2 .cse4) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse5 .cse3 .cse4) (and .cse0 .cse5 .cse1))) [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,100 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 611) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 622) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 633) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L581(lines 581 591) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 591) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 600) the Hoare annotation is: true [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2021-12-15 08:56:29,101 INFO L854 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L861 garLoopResultBuilder]: At program point L682(lines 74 684) the Hoare annotation is: true [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 555) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 610) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 621) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 632) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L861 garLoopResultBuilder]: At program point L683(lines 19 685) the Hoare annotation is: true [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 588) no Hoare annotation was computed. [2021-12-15 08:56:29,102 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 611) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse3 (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2) (and .cse3 .cse1))) [2021-12-15 08:56:29,103 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 622) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L854 garLoopResultBuilder]: At program point L222(lines 115 634) the Hoare annotation is: (let ((.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|))) (.cse0 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2))) (or (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8448) .cse0) (and .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and .cse1 .cse0))) [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 609) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 620) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 631) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-12-15 08:56:29,103 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L521-2(lines 521 525) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 684) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 608) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 619) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 630) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2021-12-15 08:56:29,104 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 609) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse3 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse3 .cse2) (and .cse3 .cse1))) [2021-12-15 08:56:29,105 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 620) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 607) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 618) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 629) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L560(lines 560 564) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2021-12-15 08:56:29,105 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 630) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 678) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L854 garLoopResultBuilder]: At program point L561(lines 74 684) the Hoare annotation is: false [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 606) no Hoare annotation was computed. [2021-12-15 08:56:29,106 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 617) no Hoare annotation was computed. [2021-12-15 08:56:29,107 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 628) no Hoare annotation was computed. [2021-12-15 08:56:29,107 INFO L861 garLoopResultBuilder]: At program point L695(lines 686 697) the Hoare annotation is: true [2021-12-15 08:56:29,107 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2021-12-15 08:56:29,107 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-12-15 08:56:29,107 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 597) no Hoare annotation was computed. [2021-12-15 08:56:29,107 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 607) the Hoare annotation is: (or (and (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8656) (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2) (<= 8640 |ULTIMATE.start_ssl3_accept_~s__state~0#1|)) (and (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) [2021-12-15 08:56:29,107 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 618) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 2)) (.cse0 (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672)) (.cse1 (not (= 0 |ULTIMATE.start_ssl3_accept_~s__hit~0#1|)))) (or (and .cse0 .cse1 .cse2) (and (<= 8448 |ULTIMATE.start_ssl3_accept_~s__state~0#1|) .cse2 (< |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8576)) (and .cse0 .cse1 (= |ULTIMATE.start_ssl3_accept_~blastFlag~0#1| 3)))) [2021-12-15 08:56:29,107 INFO L854 garLoopResultBuilder]: At program point L134(lines 133 628) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_accept_~s__state~0#1| 8672) [2021-12-15 08:56:29,109 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 08:56:29,110 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 08:56:29,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:56:29 BoogieIcfgContainer [2021-12-15 08:56:29,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 08:56:29,126 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 08:56:29,126 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 08:56:29,126 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 08:56:29,127 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:56:16" (3/4) ... [2021-12-15 08:56:29,129 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 08:56:29,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-15 08:56:29,139 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 08:56:29,140 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-15 08:56:29,141 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 08:56:29,202 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 08:56:29,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 08:56:29,203 INFO L158 Benchmark]: Toolchain (without parser) took 13389.16ms. Allocated memory was 88.1MB in the beginning and 224.4MB in the end (delta: 136.3MB). Free memory was 55.7MB in the beginning and 67.9MB in the end (delta: -12.2MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,203 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 08:56:29,205 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.26ms. Allocated memory was 88.1MB in the beginning and 127.9MB in the end (delta: 39.8MB). Free memory was 55.5MB in the beginning and 99.5MB in the end (delta: -44.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,206 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.51ms. Allocated memory is still 127.9MB. Free memory was 99.5MB in the beginning and 96.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,206 INFO L158 Benchmark]: Boogie Preprocessor took 23.27ms. Allocated memory is still 127.9MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,206 INFO L158 Benchmark]: RCFGBuilder took 630.48ms. Allocated memory is still 127.9MB. Free memory was 94.5MB in the beginning and 66.5MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,206 INFO L158 Benchmark]: TraceAbstraction took 12289.01ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 65.9MB in the beginning and 78.4MB in the end (delta: -12.4MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,208 INFO L158 Benchmark]: Witness Printer took 76.02ms. Allocated memory is still 224.4MB. Free memory was 78.4MB in the beginning and 67.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 08:56:29,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.26ms. Allocated memory was 88.1MB in the beginning and 127.9MB in the end (delta: 39.8MB). Free memory was 55.5MB in the beginning and 99.5MB in the end (delta: -44.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.51ms. Allocated memory is still 127.9MB. Free memory was 99.5MB in the beginning and 96.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.27ms. Allocated memory is still 127.9MB. Free memory was 96.6MB in the beginning and 94.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.48ms. Allocated memory is still 127.9MB. Free memory was 94.5MB in the beginning and 66.5MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 12289.01ms. Allocated memory was 127.9MB in the beginning and 224.4MB in the end (delta: 96.5MB). Free memory was 65.9MB in the beginning and 78.4MB in the end (delta: -12.4MB). Peak memory consumption was 106.4MB. Max. memory is 16.1GB. * Witness Printer took 76.02ms. Allocated memory is still 224.4MB. Free memory was 78.4MB in the beginning and 67.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 678]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 22, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1911 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1911 mSDsluCounter, 8077 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3441 mSDsCounter, 571 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3032 IncrementalHoareTripleChecker+Invalid, 3603 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 571 mSolverCounterUnsat, 4636 mSDtfsCounter, 3032 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3802 GetRequests, 3765 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2439occurred in iteration=18, InterpolantAutomatonStates: 78, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 22 MinimizatonAttempts, 3483 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 194 NumberOfFragments, 977 HoareAnnotationTreeSize, 29 FomulaSimplifications, 1538 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 29 FomulaSimplificationsInter, 2843 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 6809 NumberOfCodeBlocks, 6809 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 7751 ConstructedInterpolants, 0 QuantifiedInterpolants, 9843 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4536 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 36131/36287 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((s__state < 8656 && blastFlag == 2) && 8640 <= s__state) || (s__state <= 8672 && !(0 == s__hit)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (8672 <= s__state && blastFlag == 3) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 2) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 3) || ((8672 <= s__state && !(0 == s__hit)) && blastFlag == 2) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: ((((!(0 == s__hit) && s__state <= 8448) && blastFlag == 3) || ((!(0 == s__hit) && s__state <= 8448) && blastFlag == 2)) || (((8448 <= s__state && s__s3__tmp__next_state___0 <= 8576) && s__state <= 8448) && blastFlag == 2)) || (s__state <= 8448 && s__s3__tmp__next_state___0 == 3) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((((s__state == 8496 && blastFlag == 2) || (((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || ((s__state < 8656 && blastFlag == 2) && 8640 <= s__state)) || (s__state == 8560 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 3)) || (blastFlag == 2 && s__state == 8608)) || s__state <= 3) || (s__state == 8544 && blastFlag == 2)) || (blastFlag == 2 && s__state == 8592)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && s__state <= 8576)) || (blastFlag == 2 && s__state == 8464)) || (blastFlag == 2 && s__state == 8512)) || (!(0 == s__hit) && s__state == 8608)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (s__state == 8656 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 2)) || ((s__state < 8656 && !(0 == s__hit)) && 8640 <= s__state)) || (!(0 == s__hit) && s__state == 8592)) || (s__state == 8496 && blastFlag == 1)) || (blastFlag == 2 && s__state == 8528) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state < 8656 && 8448 <= s__state) && blastFlag == 2)) || (s__state < 8656 && !(0 == s__hit)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: ((s__state <= 8448 && blastFlag == 2) || (!(0 == s__hit) && blastFlag == 3)) || (!(0 == s__hit) && blastFlag == 2) - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: s__state <= 8672 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((blastFlag == 1 && 8448 <= s__state) && s__state < 8576)) || ((s__state <= 8672 && blastFlag == 1) && !(0 == s__hit)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((((((((((((((((((s__state == 8496 && blastFlag == 2) || (((8448 <= s__state && s__state <= 8448) && s__s3__tmp__next_state___0 == 3) && blastFlag == 3)) || ((s__state < 8656 && blastFlag == 2) && 8640 <= s__state)) || (s__state == 8560 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 3)) || (blastFlag == 2 && s__state == 8608)) || s__state <= 3) || (s__state == 8544 && blastFlag == 2)) || (blastFlag == 2 && s__state == 8592)) || ((s__s3__tmp__next_state___0 <= 8576 && blastFlag == 2) && s__state <= 8576)) || (blastFlag == 2 && s__state == 8464)) || (blastFlag == 2 && s__state == 8512)) || (blastFlag == 0 && s__state == 8464)) || (!(0 == s__hit) && s__state == 8608)) || ((s__state <= 8672 && 8672 <= s__state) && blastFlag == 3)) || (s__state == 8656 && blastFlag == 2)) || (!(0 == s__hit) && blastFlag == 2)) || ((s__state < 8656 && !(0 == s__hit)) && 8640 <= s__state)) || (!(0 == s__hit) && s__state == 8592)) || (s__state == 8496 && blastFlag == 1)) || (blastFlag == 2 && s__state == 8528) - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((8448 <= s__state && s__state < 8656) && blastFlag == 2)) || (s__state < 8656 && !(0 == s__hit)) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((8448 <= s__state && blastFlag == 0) && s__state < 8576)) || ((8448 <= s__state && blastFlag == 2) && s__state < 8576)) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || (((s__state < 8656 && 8448 <= s__state) && s__s3__tmp__next_state___0 <= 8576) && blastFlag == 2) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 2) || ((s__state <= 8672 && !(0 == s__hit)) && blastFlag == 3)) || ((s__state <= 8672 && blastFlag == 2) && 8640 <= s__state) RESULT: Ultimate proved your program to be correct! [2021-12-15 08:56:29,252 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