./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/eca-rers2012/Problem11_label06.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 e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 00:56:07,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 00:56:07,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 00:56:07,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 00:56:07,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 00:56:07,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 00:56:07,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 00:56:07,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 00:56:07,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 00:56:07,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 00:56:07,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 00:56:07,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 00:56:07,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 00:56:07,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 00:56:07,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 00:56:07,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 00:56:07,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 00:56:07,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 00:56:07,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 00:56:07,587 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 00:56:07,589 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 00:56:07,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 00:56:07,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 00:56:07,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 00:56:07,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 00:56:07,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 00:56:07,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 00:56:07,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 00:56:07,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 00:56:07,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 00:56:07,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 00:56:07,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 00:56:07,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 00:56:07,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 00:56:07,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 00:56:07,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 00:56:07,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 00:56:07,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 00:56:07,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 00:56:07,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 00:56:07,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 00:56:07,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 00:56:07,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 00:56:07,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 00:56:07,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 00:56:07,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 00:56:07,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 00:56:07,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 00:56:07,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 00:56:07,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 00:56:07,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 00:56:07,641 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 00:56:07,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 00:56:07,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 00:56:07,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 00:56:07,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 00:56:07,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 00:56:07,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 00:56:07,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 00:56:07,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 00:56:07,643 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 00:56:07,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 00:56:07,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 00:56:07,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 00:56:07,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 00:56:07,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 00:56:07,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 00:56:07,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 00:56:07,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 00:56:07,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 00:56:07,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 00:56:07,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 00:56:07,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 00:56:07,646 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 00:56:07,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 00:56:07,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 00:56:07,647 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7162a37b2481575f46ee042f017cf4130087aba4666f87e20be1f5306ddf30d [2022-07-12 00:56:07,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 00:56:07,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 00:56:07,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 00:56:07,848 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 00:56:07,848 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 00:56:07,849 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2022-07-12 00:56:07,899 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50b03ef2/76c12909f6f14215bb949bc95b3a9d9a/FLAG9f9845ffc [2022-07-12 00:56:08,398 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 00:56:08,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label06.c [2022-07-12 00:56:08,426 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50b03ef2/76c12909f6f14215bb949bc95b3a9d9a/FLAG9f9845ffc [2022-07-12 00:56:08,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e50b03ef2/76c12909f6f14215bb949bc95b3a9d9a [2022-07-12 00:56:08,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 00:56:08,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 00:56:08,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 00:56:08,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 00:56:08,933 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 00:56:08,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:56:08" (1/1) ... [2022-07-12 00:56:08,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2350f858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:08, skipping insertion in model container [2022-07-12 00:56:08,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:56:08" (1/1) ... [2022-07-12 00:56:08,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 00:56:08,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 00:56:09,256 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/eca-rers2012/Problem11_label06.c[9087,9100] [2022-07-12 00:56:09,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 00:56:09,414 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 00:56:09,446 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/eca-rers2012/Problem11_label06.c[9087,9100] [2022-07-12 00:56:09,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 00:56:09,558 INFO L208 MainTranslator]: Completed translation [2022-07-12 00:56:09,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09 WrapperNode [2022-07-12 00:56:09,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 00:56:09,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 00:56:09,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 00:56:09,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 00:56:09,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,707 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-12 00:56:09,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 00:56:09,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 00:56:09,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 00:56:09,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 00:56:09,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 00:56:09,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 00:56:09,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 00:56:09,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 00:56:09,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (1/1) ... [2022-07-12 00:56:09,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 00:56:09,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:56:09,864 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) [2022-07-12 00:56:09,886 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 [2022-07-12 00:56:09,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 00:56:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 00:56:09,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 00:56:09,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 00:56:09,960 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 00:56:09,961 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 00:56:11,252 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 00:56:11,267 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 00:56:11,268 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 00:56:11,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:56:11 BoogieIcfgContainer [2022-07-12 00:56:11,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 00:56:11,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 00:56:11,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 00:56:11,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 00:56:11,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:56:08" (1/3) ... [2022-07-12 00:56:11,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45efbaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:56:11, skipping insertion in model container [2022-07-12 00:56:11,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:56:09" (2/3) ... [2022-07-12 00:56:11,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45efbaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:56:11, skipping insertion in model container [2022-07-12 00:56:11,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:56:11" (3/3) ... [2022-07-12 00:56:11,279 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label06.c [2022-07-12 00:56:11,291 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 00:56:11,291 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 00:56:11,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 00:56:11,362 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7e0b6632, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7859034 [2022-07-12 00:56:11,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 00:56:11,376 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:11,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-12 00:56:11,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:11,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:11,387 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:11,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:11,391 INFO L85 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2022-07-12 00:56:11,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:11,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852262289] [2022-07-12 00:56:11,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:11,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:11,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:11,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852262289] [2022-07-12 00:56:11,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852262289] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:11,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:11,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:11,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186264358] [2022-07-12 00:56:11,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:11,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:11,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:11,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:11,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:11,754 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 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 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:12,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:12,667 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-12 00:56:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:12,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-07-12 00:56:12,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:12,679 INFO L225 Difference]: With dead ends: 761 [2022-07-12 00:56:12,679 INFO L226 Difference]: Without dead ends: 413 [2022-07-12 00:56:12,682 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:12,685 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 165 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:12,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 00:56:12,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-12 00:56:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-12 00:56:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-12 00:56:12,745 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 63 [2022-07-12 00:56:12,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:12,745 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-12 00:56:12,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 2 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-12 00:56:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-12 00:56:12,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:12,750 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:12,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 00:56:12,750 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:12,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:12,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1774038808, now seen corresponding path program 1 times [2022-07-12 00:56:12,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:12,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298658350] [2022-07-12 00:56:12,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:12,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:12,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298658350] [2022-07-12 00:56:12,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298658350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:12,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:12,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:12,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558147096] [2022-07-12 00:56:12,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:12,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:12,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:12,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:12,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:12,857 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:13,587 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-12 00:56:13,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:13,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-07-12 00:56:13,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:13,591 INFO L225 Difference]: With dead ends: 1211 [2022-07-12 00:56:13,591 INFO L226 Difference]: Without dead ends: 800 [2022-07-12 00:56:13,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:13,594 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:13,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-12 00:56:13,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-12 00:56:13,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:13,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2022-07-12 00:56:13,632 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 131 [2022-07-12 00:56:13,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:13,633 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2022-07-12 00:56:13,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 2 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:13,633 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2022-07-12 00:56:13,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-12 00:56:13,637 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:13,637 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:13,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 00:56:13,638 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:13,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash -977289123, now seen corresponding path program 1 times [2022-07-12 00:56:13,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:13,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070989745] [2022-07-12 00:56:13,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:13,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:13,777 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:13,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:13,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070989745] [2022-07-12 00:56:13,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070989745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:13,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:13,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:13,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918253595] [2022-07-12 00:56:13,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:13,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:13,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:13,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:13,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:13,780 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 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) [2022-07-12 00:56:14,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:14,422 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2022-07-12 00:56:14,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:14,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 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 133 [2022-07-12 00:56:14,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:14,427 INFO L225 Difference]: With dead ends: 1945 [2022-07-12 00:56:14,427 INFO L226 Difference]: Without dead ends: 1158 [2022-07-12 00:56:14,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:14,429 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:14,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:14,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-12 00:56:14,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-12 00:56:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2022-07-12 00:56:14,453 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 133 [2022-07-12 00:56:14,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:14,454 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2022-07-12 00:56:14,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 2 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) [2022-07-12 00:56:14,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2022-07-12 00:56:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-12 00:56:14,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:14,459 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:14,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 00:56:14,459 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:14,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:14,460 INFO L85 PathProgramCache]: Analyzing trace with hash -873825219, now seen corresponding path program 1 times [2022-07-12 00:56:14,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:14,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993832382] [2022-07-12 00:56:14,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:14,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:14,609 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:14,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:14,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993832382] [2022-07-12 00:56:14,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993832382] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:14,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:14,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222599859] [2022-07-12 00:56:14,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:14,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:14,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:14,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:14,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:14,612 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:15,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:15,292 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2022-07-12 00:56:15,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:15,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 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 190 [2022-07-12 00:56:15,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:15,298 INFO L225 Difference]: With dead ends: 2519 [2022-07-12 00:56:15,298 INFO L226 Difference]: Without dead ends: 1548 [2022-07-12 00:56:15,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:15,301 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 172 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:15,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:15,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-12 00:56:15,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-12 00:56:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:15,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2022-07-12 00:56:15,327 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 190 [2022-07-12 00:56:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:15,328 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2022-07-12 00:56:15,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.333333333333336) internal successors, (190), 3 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2022-07-12 00:56:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-07-12 00:56:15,331 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:15,332 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:15,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 00:56:15,332 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:15,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:15,333 INFO L85 PathProgramCache]: Analyzing trace with hash -2127494464, now seen corresponding path program 1 times [2022-07-12 00:56:15,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:15,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817018573] [2022-07-12 00:56:15,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:15,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-12 00:56:15,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:15,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817018573] [2022-07-12 00:56:15,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817018573] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:15,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:15,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:15,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117022801] [2022-07-12 00:56:15,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:15,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:15,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:15,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:15,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:15,460 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:16,175 INFO L93 Difference]: Finished difference Result 4009 states and 5316 transitions. [2022-07-12 00:56:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:16,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 245 [2022-07-12 00:56:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:16,185 INFO L225 Difference]: With dead ends: 4009 [2022-07-12 00:56:16,185 INFO L226 Difference]: Without dead ends: 2650 [2022-07-12 00:56:16,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:16,188 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 144 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:16,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 347 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:16,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2650 states. [2022-07-12 00:56:16,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2650 to 2650. [2022-07-12 00:56:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2649 states have (on average 1.2431106077765195) internal successors, (3293), 2649 states have internal predecessors, (3293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:16,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 3293 transitions. [2022-07-12 00:56:16,233 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 3293 transitions. Word has length 245 [2022-07-12 00:56:16,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:16,234 INFO L495 AbstractCegarLoop]: Abstraction has 2650 states and 3293 transitions. [2022-07-12 00:56:16,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 3293 transitions. [2022-07-12 00:56:16,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-12 00:56:16,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:16,238 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:16,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 00:56:16,239 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:16,239 INFO L85 PathProgramCache]: Analyzing trace with hash -468248497, now seen corresponding path program 1 times [2022-07-12 00:56:16,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:16,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680563540] [2022-07-12 00:56:16,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:16,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 25 proven. 96 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-12 00:56:16,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:16,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680563540] [2022-07-12 00:56:16,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680563540] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 00:56:16,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815054701] [2022-07-12 00:56:16,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:16,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:56:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:56:16,419 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) [2022-07-12 00:56:16,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 00:56:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:16,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 00:56:16,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 00:56:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-12 00:56:16,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 00:56:16,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815054701] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:16,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 00:56:16,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-12 00:56:16,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703980242] [2022-07-12 00:56:16,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:16,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:16,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:16,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:16,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 00:56:16,631 INFO L87 Difference]: Start difference. First operand 2650 states and 3293 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:17,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:17,483 INFO L93 Difference]: Finished difference Result 6228 states and 7865 transitions. [2022-07-12 00:56:17,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:17,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 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 251 [2022-07-12 00:56:17,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:17,495 INFO L225 Difference]: With dead ends: 6228 [2022-07-12 00:56:17,495 INFO L226 Difference]: Without dead ends: 3764 [2022-07-12 00:56:17,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 00:56:17,499 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 133 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:17,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 384 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 00:56:17,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3764 states. [2022-07-12 00:56:17,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3764 to 3755. [2022-07-12 00:56:17,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3755 states, 3754 states have (on average 1.2192328183271177) internal successors, (4577), 3754 states have internal predecessors, (4577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:17,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 3755 states and 4577 transitions. [2022-07-12 00:56:17,566 INFO L78 Accepts]: Start accepts. Automaton has 3755 states and 4577 transitions. Word has length 251 [2022-07-12 00:56:17,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:17,566 INFO L495 AbstractCegarLoop]: Abstraction has 3755 states and 4577 transitions. [2022-07-12 00:56:17,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4577 transitions. [2022-07-12 00:56:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2022-07-12 00:56:17,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:17,573 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 00:56:17,602 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-12 00:56:17,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-12 00:56:17,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:17,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash 496121255, now seen corresponding path program 1 times [2022-07-12 00:56:17,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:17,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625119597] [2022-07-12 00:56:17,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:17,911 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 334 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-12 00:56:17,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:17,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625119597] [2022-07-12 00:56:17,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625119597] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:17,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:17,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:17,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338774241] [2022-07-12 00:56:17,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:17,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:17,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:17,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:17,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:17,915 INFO L87 Difference]: Start difference. First operand 3755 states and 4577 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:18,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:18,623 INFO L93 Difference]: Finished difference Result 8442 states and 10451 transitions. [2022-07-12 00:56:18,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:18,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 322 [2022-07-12 00:56:18,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:18,638 INFO L225 Difference]: With dead ends: 8442 [2022-07-12 00:56:18,638 INFO L226 Difference]: Without dead ends: 4873 [2022-07-12 00:56:18,642 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:18,644 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:18,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 344 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:18,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2022-07-12 00:56:18,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4676. [2022-07-12 00:56:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4676 states, 4675 states have (on average 1.2094117647058824) internal successors, (5654), 4675 states have internal predecessors, (5654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:18,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 5654 transitions. [2022-07-12 00:56:18,727 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 5654 transitions. Word has length 322 [2022-07-12 00:56:18,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:18,728 INFO L495 AbstractCegarLoop]: Abstraction has 4676 states and 5654 transitions. [2022-07-12 00:56:18,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:18,728 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 5654 transitions. [2022-07-12 00:56:18,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-07-12 00:56:18,735 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:18,736 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 00:56:18,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 00:56:18,736 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:18,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1494112082, now seen corresponding path program 1 times [2022-07-12 00:56:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:18,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945294807] [2022-07-12 00:56:18,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-07-12 00:56:18,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:18,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945294807] [2022-07-12 00:56:18,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945294807] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:18,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:18,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:18,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829343844] [2022-07-12 00:56:18,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:18,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:18,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:18,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:18,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:18,870 INFO L87 Difference]: Start difference. First operand 4676 states and 5654 transitions. Second operand has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:19,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:19,502 INFO L93 Difference]: Finished difference Result 9326 states and 11272 transitions. [2022-07-12 00:56:19,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:19,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 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 325 [2022-07-12 00:56:19,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:19,521 INFO L225 Difference]: With dead ends: 9326 [2022-07-12 00:56:19,522 INFO L226 Difference]: Without dead ends: 4652 [2022-07-12 00:56:19,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:19,527 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 159 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:19,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 150 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:19,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4652 states. [2022-07-12 00:56:19,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4652 to 4651. [2022-07-12 00:56:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4651 states, 4650 states have (on average 1.15247311827957) internal successors, (5359), 4650 states have internal predecessors, (5359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 4651 states and 5359 transitions. [2022-07-12 00:56:19,597 INFO L78 Accepts]: Start accepts. Automaton has 4651 states and 5359 transitions. Word has length 325 [2022-07-12 00:56:19,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:19,597 INFO L495 AbstractCegarLoop]: Abstraction has 4651 states and 5359 transitions. [2022-07-12 00:56:19,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:19,598 INFO L276 IsEmpty]: Start isEmpty. Operand 4651 states and 5359 transitions. [2022-07-12 00:56:19,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-12 00:56:19,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:19,607 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:19,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 00:56:19,608 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:19,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:19,608 INFO L85 PathProgramCache]: Analyzing trace with hash -547751050, now seen corresponding path program 1 times [2022-07-12 00:56:19,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:19,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251853464] [2022-07-12 00:56:19,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:19,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 00:56:19,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:19,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251853464] [2022-07-12 00:56:19,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251853464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:19,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:19,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 00:56:19,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768259448] [2022-07-12 00:56:19,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:19,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:19,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:19,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:19,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:19,811 INFO L87 Difference]: Start difference. First operand 4651 states and 5359 transitions. Second operand has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:20,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:20,981 INFO L93 Difference]: Finished difference Result 12640 states and 14697 transitions. [2022-07-12 00:56:20,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:20,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 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 388 [2022-07-12 00:56:20,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:21,023 INFO L225 Difference]: With dead ends: 12640 [2022-07-12 00:56:21,024 INFO L226 Difference]: Without dead ends: 7991 [2022-07-12 00:56:21,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:21,033 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 234 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:21,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 159 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 00:56:21,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7991 states. [2022-07-12 00:56:21,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7991 to 7435. [2022-07-12 00:56:21,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7435 states, 7434 states have (on average 1.146758138283562) internal successors, (8525), 7434 states have internal predecessors, (8525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7435 states to 7435 states and 8525 transitions. [2022-07-12 00:56:21,210 INFO L78 Accepts]: Start accepts. Automaton has 7435 states and 8525 transitions. Word has length 388 [2022-07-12 00:56:21,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:21,211 INFO L495 AbstractCegarLoop]: Abstraction has 7435 states and 8525 transitions. [2022-07-12 00:56:21,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.0) internal successors, (388), 4 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 7435 states and 8525 transitions. [2022-07-12 00:56:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-12 00:56:21,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:21,225 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-12 00:56:21,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 00:56:21,225 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:21,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:21,226 INFO L85 PathProgramCache]: Analyzing trace with hash -467739689, now seen corresponding path program 1 times [2022-07-12 00:56:21,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:21,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907330623] [2022-07-12 00:56:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:21,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:21,403 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-07-12 00:56:21,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:21,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907330623] [2022-07-12 00:56:21,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907330623] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:21,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:21,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 00:56:21,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059211687] [2022-07-12 00:56:21,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:21,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:21,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:21,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:21,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:21,406 INFO L87 Difference]: Start difference. First operand 7435 states and 8525 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:21,790 INFO L93 Difference]: Finished difference Result 14862 states and 17042 transitions. [2022-07-12 00:56:21,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:21,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 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 403 [2022-07-12 00:56:21,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:21,803 INFO L225 Difference]: With dead ends: 14862 [2022-07-12 00:56:21,803 INFO L226 Difference]: Without dead ends: 7429 [2022-07-12 00:56:21,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:21,812 INFO L413 NwaCegarLoop]: 39 mSDtfsCounter, 216 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:21,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 39 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 00:56:21,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7429 states. [2022-07-12 00:56:21,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7429 to 7428. [2022-07-12 00:56:21,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7428 states, 7427 states have (on average 1.1460885956644675) internal successors, (8512), 7427 states have internal predecessors, (8512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7428 states to 7428 states and 8512 transitions. [2022-07-12 00:56:21,911 INFO L78 Accepts]: Start accepts. Automaton has 7428 states and 8512 transitions. Word has length 403 [2022-07-12 00:56:21,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:21,912 INFO L495 AbstractCegarLoop]: Abstraction has 7428 states and 8512 transitions. [2022-07-12 00:56:21,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 2 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:21,913 INFO L276 IsEmpty]: Start isEmpty. Operand 7428 states and 8512 transitions. [2022-07-12 00:56:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-12 00:56:21,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:21,927 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:21,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 00:56:21,928 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:21,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:21,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1746481750, now seen corresponding path program 1 times [2022-07-12 00:56:21,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:21,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994868144] [2022-07-12 00:56:21,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:21,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:22,120 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 420 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-07-12 00:56:22,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:22,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994868144] [2022-07-12 00:56:22,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994868144] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:22,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:22,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:22,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444886768] [2022-07-12 00:56:22,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:22,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:22,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:22,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:22,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:22,123 INFO L87 Difference]: Start difference. First operand 7428 states and 8512 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:22,824 INFO L93 Difference]: Finished difference Result 16714 states and 19129 transitions. [2022-07-12 00:56:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:22,825 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 435 [2022-07-12 00:56:22,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:22,839 INFO L225 Difference]: With dead ends: 16714 [2022-07-12 00:56:22,840 INFO L226 Difference]: Without dead ends: 9288 [2022-07-12 00:56:22,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:22,849 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 67 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:22,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 179 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:22,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9288 states. [2022-07-12 00:56:22,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9288 to 9084. [2022-07-12 00:56:22,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9084 states, 9083 states have (on average 1.1353077177144115) internal successors, (10312), 9083 states have internal predecessors, (10312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9084 states to 9084 states and 10312 transitions. [2022-07-12 00:56:23,006 INFO L78 Accepts]: Start accepts. Automaton has 9084 states and 10312 transitions. Word has length 435 [2022-07-12 00:56:23,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:23,007 INFO L495 AbstractCegarLoop]: Abstraction has 9084 states and 10312 transitions. [2022-07-12 00:56:23,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:23,008 INFO L276 IsEmpty]: Start isEmpty. Operand 9084 states and 10312 transitions. [2022-07-12 00:56:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-12 00:56:23,027 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:23,027 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:23,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 00:56:23,028 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:23,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:23,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1744296818, now seen corresponding path program 1 times [2022-07-12 00:56:23,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:23,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103773986] [2022-07-12 00:56:23,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:23,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 774 backedges. 635 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-12 00:56:23,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:23,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103773986] [2022-07-12 00:56:23,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103773986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:23,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:23,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:23,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178277426] [2022-07-12 00:56:23,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:23,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:23,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:23,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:23,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:23,232 INFO L87 Difference]: Start difference. First operand 9084 states and 10312 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:23,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:23,999 INFO L93 Difference]: Finished difference Result 20925 states and 23747 transitions. [2022-07-12 00:56:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:24,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 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 487 [2022-07-12 00:56:24,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:24,017 INFO L225 Difference]: With dead ends: 20925 [2022-07-12 00:56:24,017 INFO L226 Difference]: Without dead ends: 11107 [2022-07-12 00:56:24,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:24,029 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 65 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:24,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 350 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 00:56:24,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11107 states. [2022-07-12 00:56:24,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11107 to 10555. [2022-07-12 00:56:24,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10555 states, 10554 states have (on average 1.1255448171309457) internal successors, (11879), 10554 states have internal predecessors, (11879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10555 states to 10555 states and 11879 transitions. [2022-07-12 00:56:24,168 INFO L78 Accepts]: Start accepts. Automaton has 10555 states and 11879 transitions. Word has length 487 [2022-07-12 00:56:24,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:24,169 INFO L495 AbstractCegarLoop]: Abstraction has 10555 states and 11879 transitions. [2022-07-12 00:56:24,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:24,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10555 states and 11879 transitions. [2022-07-12 00:56:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2022-07-12 00:56:24,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:24,192 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:24,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 00:56:24,193 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:24,193 INFO L85 PathProgramCache]: Analyzing trace with hash -192105898, now seen corresponding path program 1 times [2022-07-12 00:56:24,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:24,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648285072] [2022-07-12 00:56:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:24,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 621 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-07-12 00:56:24,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:24,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648285072] [2022-07-12 00:56:24,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648285072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:24,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:24,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:24,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427043800] [2022-07-12 00:56:24,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:24,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:24,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:24,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:24,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:24,394 INFO L87 Difference]: Start difference. First operand 10555 states and 11879 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:25,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:25,086 INFO L93 Difference]: Finished difference Result 24423 states and 27490 transitions. [2022-07-12 00:56:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:25,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 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 527 [2022-07-12 00:56:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:25,111 INFO L225 Difference]: With dead ends: 24423 [2022-07-12 00:56:25,111 INFO L226 Difference]: Without dead ends: 13870 [2022-07-12 00:56:25,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:25,124 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 125 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:25,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 79 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:25,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13870 states. [2022-07-12 00:56:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13870 to 13867. [2022-07-12 00:56:25,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13867 states, 13866 states have (on average 1.117914322803981) internal successors, (15501), 13866 states have internal predecessors, (15501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15501 transitions. [2022-07-12 00:56:25,355 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15501 transitions. Word has length 527 [2022-07-12 00:56:25,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:25,356 INFO L495 AbstractCegarLoop]: Abstraction has 13867 states and 15501 transitions. [2022-07-12 00:56:25,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:25,356 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15501 transitions. [2022-07-12 00:56:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-07-12 00:56:25,378 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:25,379 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:25,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 00:56:25,379 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:25,380 INFO L85 PathProgramCache]: Analyzing trace with hash -2020315425, now seen corresponding path program 1 times [2022-07-12 00:56:25,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:25,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661162825] [2022-07-12 00:56:25,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 324 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-07-12 00:56:25,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:25,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661162825] [2022-07-12 00:56:25,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661162825] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 00:56:25,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [145384317] [2022-07-12 00:56:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:25,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 00:56:25,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 00:56:25,634 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) [2022-07-12 00:56:25,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 00:56:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:25,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 00:56:25,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 00:56:26,060 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-07-12 00:56:26,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 00:56:26,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [145384317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:26,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 00:56:26,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-12 00:56:26,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741604171] [2022-07-12 00:56:26,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:26,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:26,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:26,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:26,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 00:56:26,065 INFO L87 Difference]: Start difference. First operand 13867 states and 15501 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:26,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:26,787 INFO L93 Difference]: Finished difference Result 16261 states and 18135 transitions. [2022-07-12 00:56:26,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:26,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 533 [2022-07-12 00:56:26,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:26,813 INFO L225 Difference]: With dead ends: 16261 [2022-07-12 00:56:26,813 INFO L226 Difference]: Without dead ends: 16259 [2022-07-12 00:56:26,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 00:56:26,819 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 158 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:26,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 137 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:26,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16259 states. [2022-07-12 00:56:27,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16259 to 13867. [2022-07-12 00:56:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13867 states, 13866 states have (on average 1.117842203952113) internal successors, (15500), 13866 states have internal predecessors, (15500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:27,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13867 states to 13867 states and 15500 transitions. [2022-07-12 00:56:27,090 INFO L78 Accepts]: Start accepts. Automaton has 13867 states and 15500 transitions. Word has length 533 [2022-07-12 00:56:27,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:27,091 INFO L495 AbstractCegarLoop]: Abstraction has 13867 states and 15500 transitions. [2022-07-12 00:56:27,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 13867 states and 15500 transitions. [2022-07-12 00:56:27,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 552 [2022-07-12 00:56:27,110 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:27,111 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:27,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-12 00:56:27,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-12 00:56:27,324 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:27,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:27,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1051688403, now seen corresponding path program 1 times [2022-07-12 00:56:27,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:27,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783070791] [2022-07-12 00:56:27,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:27,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:27,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 902 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-07-12 00:56:27,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:27,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783070791] [2022-07-12 00:56:27,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783070791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:27,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:27,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 00:56:27,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460514414] [2022-07-12 00:56:27,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:27,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:27,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:27,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:27,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:27,573 INFO L87 Difference]: Start difference. First operand 13867 states and 15500 transitions. Second operand has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:28,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:28,679 INFO L93 Difference]: Finished difference Result 30691 states and 34303 transitions. [2022-07-12 00:56:28,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:28,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 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 551 [2022-07-12 00:56:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:28,710 INFO L225 Difference]: With dead ends: 30691 [2022-07-12 00:56:28,710 INFO L226 Difference]: Without dead ends: 16826 [2022-07-12 00:56:28,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:28,728 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 206 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:28,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 156 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 00:56:28,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16826 states. [2022-07-12 00:56:28,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16826 to 13681. [2022-07-12 00:56:28,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13681 states, 13680 states have (on average 1.1176169590643275) internal successors, (15289), 13680 states have internal predecessors, (15289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13681 states to 13681 states and 15289 transitions. [2022-07-12 00:56:28,907 INFO L78 Accepts]: Start accepts. Automaton has 13681 states and 15289 transitions. Word has length 551 [2022-07-12 00:56:28,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:28,908 INFO L495 AbstractCegarLoop]: Abstraction has 13681 states and 15289 transitions. [2022-07-12 00:56:28,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.25) internal successors, (401), 4 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 13681 states and 15289 transitions. [2022-07-12 00:56:28,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2022-07-12 00:56:28,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:28,923 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:28,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 00:56:28,923 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:28,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:28,925 INFO L85 PathProgramCache]: Analyzing trace with hash 720401217, now seen corresponding path program 1 times [2022-07-12 00:56:28,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:28,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113251604] [2022-07-12 00:56:28,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:28,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:29,163 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 834 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2022-07-12 00:56:29,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:29,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113251604] [2022-07-12 00:56:29,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113251604] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:29,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:29,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 00:56:29,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700893435] [2022-07-12 00:56:29,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:29,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:29,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:29,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:29,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:29,166 INFO L87 Difference]: Start difference. First operand 13681 states and 15289 transitions. Second operand has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:30,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:30,278 INFO L93 Difference]: Finished difference Result 32710 states and 36531 transitions. [2022-07-12 00:56:30,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:30,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 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 581 [2022-07-12 00:56:30,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:30,312 INFO L225 Difference]: With dead ends: 32710 [2022-07-12 00:56:30,313 INFO L226 Difference]: Without dead ends: 19031 [2022-07-12 00:56:30,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:30,324 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 172 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:30,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 59 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 00:56:30,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19031 states. [2022-07-12 00:56:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19031 to 15333. [2022-07-12 00:56:30,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15333 states, 15332 states have (on average 1.1081398382468042) internal successors, (16990), 15332 states have internal predecessors, (16990), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:30,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15333 states to 15333 states and 16990 transitions. [2022-07-12 00:56:30,565 INFO L78 Accepts]: Start accepts. Automaton has 15333 states and 16990 transitions. Word has length 581 [2022-07-12 00:56:30,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:30,566 INFO L495 AbstractCegarLoop]: Abstraction has 15333 states and 16990 transitions. [2022-07-12 00:56:30,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 15333 states and 16990 transitions. [2022-07-12 00:56:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-07-12 00:56:30,582 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:30,583 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:30,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 00:56:30,583 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:30,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1947745532, now seen corresponding path program 1 times [2022-07-12 00:56:30,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:30,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394553416] [2022-07-12 00:56:30,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:30,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:30,811 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-07-12 00:56:30,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:30,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394553416] [2022-07-12 00:56:30,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394553416] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:30,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:30,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:30,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204623361] [2022-07-12 00:56:30,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:30,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 00:56:30,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:30,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 00:56:30,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:30,814 INFO L87 Difference]: Start difference. First operand 15333 states and 16990 transitions. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:31,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:31,865 INFO L93 Difference]: Finished difference Result 39329 states and 43397 transitions. [2022-07-12 00:56:31,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 00:56:31,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 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 599 [2022-07-12 00:56:31,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:31,898 INFO L225 Difference]: With dead ends: 39329 [2022-07-12 00:56:31,899 INFO L226 Difference]: Without dead ends: 23998 [2022-07-12 00:56:31,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-12 00:56:31,914 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 157 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:31,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 72 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 00:56:31,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23998 states. [2022-07-12 00:56:32,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23998 to 22519. [2022-07-12 00:56:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22519 states, 22518 states have (on average 1.10134114930278) internal successors, (24800), 22518 states have internal predecessors, (24800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:32,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22519 states to 22519 states and 24800 transitions. [2022-07-12 00:56:32,260 INFO L78 Accepts]: Start accepts. Automaton has 22519 states and 24800 transitions. Word has length 599 [2022-07-12 00:56:32,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:32,261 INFO L495 AbstractCegarLoop]: Abstraction has 22519 states and 24800 transitions. [2022-07-12 00:56:32,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 22519 states and 24800 transitions. [2022-07-12 00:56:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 651 [2022-07-12 00:56:32,284 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:32,284 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:32,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 00:56:32,284 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:32,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:32,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1631375320, now seen corresponding path program 1 times [2022-07-12 00:56:32,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:32,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997579515] [2022-07-12 00:56:32,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:32,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2022-07-12 00:56:32,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:32,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997579515] [2022-07-12 00:56:32,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997579515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:32,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:32,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:32,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489157202] [2022-07-12 00:56:32,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:32,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:32,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:32,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:32,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:32,577 INFO L87 Difference]: Start difference. First operand 22519 states and 24800 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:33,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:33,201 INFO L93 Difference]: Finished difference Result 45032 states and 49618 transitions. [2022-07-12 00:56:33,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:33,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 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 650 [2022-07-12 00:56:33,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:33,231 INFO L225 Difference]: With dead ends: 45032 [2022-07-12 00:56:33,231 INFO L226 Difference]: Without dead ends: 25095 [2022-07-12 00:56:33,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:33,250 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 145 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 483 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 483 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:33,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 113 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 483 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 00:56:33,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25095 states. [2022-07-12 00:56:33,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25095 to 22887. [2022-07-12 00:56:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22887 states, 22886 states have (on average 1.097876431005855) internal successors, (25126), 22886 states have internal predecessors, (25126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22887 states to 22887 states and 25126 transitions. [2022-07-12 00:56:33,526 INFO L78 Accepts]: Start accepts. Automaton has 22887 states and 25126 transitions. Word has length 650 [2022-07-12 00:56:33,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:33,527 INFO L495 AbstractCegarLoop]: Abstraction has 22887 states and 25126 transitions. [2022-07-12 00:56:33,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 22887 states and 25126 transitions. [2022-07-12 00:56:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2022-07-12 00:56:33,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:33,553 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-12 00:56:33,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 00:56:33,553 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:33,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1057845284, now seen corresponding path program 1 times [2022-07-12 00:56:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:33,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808008929] [2022-07-12 00:56:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:33,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1337 backedges. 647 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2022-07-12 00:56:33,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:33,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808008929] [2022-07-12 00:56:33,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808008929] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:33,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:33,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:33,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279395201] [2022-07-12 00:56:33,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:33,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:33,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:33,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:33,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:33,845 INFO L87 Difference]: Start difference. First operand 22887 states and 25126 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:34,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:34,419 INFO L93 Difference]: Finished difference Result 47243 states and 51839 transitions. [2022-07-12 00:56:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:34,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 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 683 [2022-07-12 00:56:34,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:34,442 INFO L225 Difference]: With dead ends: 47243 [2022-07-12 00:56:34,442 INFO L226 Difference]: Without dead ends: 24726 [2022-07-12 00:56:34,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:34,457 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 115 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:34,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 137 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 00:56:34,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24726 states. [2022-07-12 00:56:34,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24726 to 22327. [2022-07-12 00:56:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22327 states, 22326 states have (on average 1.0942846904953865) internal successors, (24431), 22326 states have internal predecessors, (24431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22327 states to 22327 states and 24431 transitions. [2022-07-12 00:56:34,714 INFO L78 Accepts]: Start accepts. Automaton has 22327 states and 24431 transitions. Word has length 683 [2022-07-12 00:56:34,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:34,715 INFO L495 AbstractCegarLoop]: Abstraction has 22327 states and 24431 transitions. [2022-07-12 00:56:34,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 22327 states and 24431 transitions. [2022-07-12 00:56:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 733 [2022-07-12 00:56:34,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 00:56:34,739 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:34,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 00:56:34,739 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 00:56:34,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 00:56:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2044993265, now seen corresponding path program 1 times [2022-07-12 00:56:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 00:56:34,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862290600] [2022-07-12 00:56:34,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 00:56:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 00:56:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 00:56:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1777 backedges. 1159 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-07-12 00:56:35,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 00:56:35,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862290600] [2022-07-12 00:56:35,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862290600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 00:56:35,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 00:56:35,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 00:56:35,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834171789] [2022-07-12 00:56:35,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 00:56:35,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 00:56:35,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 00:56:35,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 00:56:35,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:35,024 INFO L87 Difference]: Start difference. First operand 22327 states and 24431 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:35,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 00:56:35,727 INFO L93 Difference]: Finished difference Result 43363 states and 47434 transitions. [2022-07-12 00:56:35,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 00:56:35,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 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 732 [2022-07-12 00:56:35,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 00:56:35,728 INFO L225 Difference]: With dead ends: 43363 [2022-07-12 00:56:35,729 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 00:56:35,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 00:56:35,746 INFO L413 NwaCegarLoop]: 324 mSDtfsCounter, 46 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 00:56:35,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 338 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 00:56:35,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 00:56:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 00:56:35,751 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) [2022-07-12 00:56:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 00:56:35,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 732 [2022-07-12 00:56:35,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 00:56:35,752 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 00:56:35,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 00:56:35,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 00:56:35,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 00:56:35,755 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 00:56:35,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 00:56:35,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 00:56:42,437 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-12 00:56:42,438 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,438 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-12 00:56:42,438 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,438 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,438 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,439 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,440 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-12 00:56:42,441 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,442 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,442 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,442 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,442 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,442 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,443 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-12 00:56:42,443 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-12 00:56:42,443 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-12 00:56:42,443 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,443 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,444 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,444 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse18 (+ ~a23~0 43))) (let ((.cse9 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a25~0 12)) (.cse3 (<= ~a29~0 220)) (.cse17 (<= 312 ~a23~0)) (.cse12 (<= (+ 28470 ~a29~0) 0)) (.cse6 (<= ~a29~0 274)) (.cse11 (<= 13 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse8 (= ~a4~0 0)) (.cse15 (<= ~a25~0 10)) (.cse5 (= ~a25~0 11)) (.cse0 (<= .cse18 0)) (.cse7 (<= 246 ~a29~0)) (.cse16 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse2 (<= ~a8~0 15)) (.cse13 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (and .cse8 .cse9 .cse2 (= ~a25~0 10)) (and .cse8 .cse9 .cse2 .cse10 .cse11) (and .cse1 .cse2 .cse12 .cse4) (and .cse1 .cse8 .cse2 .cse13) (and .cse14 .cse8 .cse5 .cse2 .cse10) (and .cse8 .cse5 .cse2 .cse13 .cse10 .cse7) (and .cse15 .cse2 .cse4) (and .cse1 .cse16 .cse2 .cse4 .cse10) (and .cse1 .cse2 .cse4 .cse17 (<= ~a29~0 231)) (and .cse16 .cse2 .cse13 .cse4 .cse7) (and .cse0 .cse8 .cse15 .cse2 .cse13 .cse7) (and .cse2 .cse3 .cse4 .cse17) (and .cse0 .cse8 .cse2 .cse12) (and .cse6 .cse2 .cse4 .cse11) (and .cse14 .cse8 (< 0 .cse18) .cse15 .cse2 .cse10) (and .cse5 .cse2 (not .cse0) .cse4 .cse7) (and .cse16 .cse2 .cse13 .cse4 .cse10)))) [2022-07-12 00:56:42,444 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,444 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-12 00:56:42,444 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-12 00:56:42,444 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-12 00:56:42,445 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,446 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,447 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-12 00:56:42,448 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-12 00:56:42,449 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,449 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse18 (+ ~a23~0 43))) (let ((.cse9 (<= (+ ~a29~0 22) 0)) (.cse1 (= ~a25~0 12)) (.cse3 (<= ~a29~0 220)) (.cse17 (<= 312 ~a23~0)) (.cse12 (<= (+ 28470 ~a29~0) 0)) (.cse6 (<= ~a29~0 274)) (.cse11 (<= 13 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse8 (= ~a4~0 0)) (.cse15 (<= ~a25~0 10)) (.cse5 (= ~a25~0 11)) (.cse0 (<= .cse18 0)) (.cse7 (<= 246 ~a29~0)) (.cse16 (< 0 (+ (div (+ ~a23~0 (- 139)) 83) 1))) (.cse2 (<= ~a8~0 15)) (.cse13 (<= ~a29~0 599998)) (.cse4 (= ~a4~0 1)) (.cse10 (<= ~a23~0 312))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse4 .cse7) (and .cse8 .cse9 .cse2 (= ~a25~0 10)) (and .cse8 .cse9 .cse2 .cse10 .cse11) (and .cse1 .cse2 .cse12 .cse4) (and .cse1 .cse8 .cse2 .cse13) (and .cse14 .cse8 .cse5 .cse2 .cse10) (and .cse8 .cse5 .cse2 .cse13 .cse10 .cse7) (and .cse15 .cse2 .cse4) (and .cse1 .cse16 .cse2 .cse4 .cse10) (and .cse1 .cse2 .cse4 .cse17 (<= ~a29~0 231)) (and .cse16 .cse2 .cse13 .cse4 .cse7) (and .cse0 .cse8 .cse15 .cse2 .cse13 .cse7) (and .cse2 .cse3 .cse4 .cse17) (and .cse0 .cse8 .cse2 .cse12) (and .cse6 .cse2 .cse4 .cse11) (and .cse14 .cse8 (< 0 .cse18) .cse15 .cse2 .cse10) (and .cse5 .cse2 (not .cse0) .cse4 .cse7) (and .cse16 .cse2 .cse13 .cse4 .cse10)))) [2022-07-12 00:56:42,449 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,449 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,449 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,449 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,449 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-12 00:56:42,450 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,451 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-12 00:56:42,452 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-12 00:56:42,453 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-12 00:56:42,454 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-12 00:56:42,455 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 205) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,456 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-12 00:56:42,457 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,458 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-12 00:56:42,459 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,460 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,461 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,462 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,463 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,464 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-12 00:56:42,465 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,466 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-12 00:56:42,467 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,468 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,469 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-12 00:56:42,470 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,471 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,472 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,473 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,474 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-12 00:56:42,475 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-12 00:56:42,475 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-12 00:56:42,475 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-12 00:56:42,478 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 00:56:42,480 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 00:56:42,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 12:56:42 BoogieIcfgContainer [2022-07-12 00:56:42,499 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 00:56:42,499 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 00:56:42,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 00:56:42,499 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 00:56:42,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:56:11" (3/4) ... [2022-07-12 00:56:42,502 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 00:56:42,520 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-12 00:56:42,521 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-12 00:56:42,523 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-12 00:56:42,524 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 00:56:42,613 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 00:56:42,614 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 00:56:42,614 INFO L158 Benchmark]: Toolchain (without parser) took 33689.29ms. Allocated memory was 102.8MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 67.1MB in the beginning and 605.6MB in the end (delta: -538.5MB). Peak memory consumption was 482.4MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,615 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 00:56:42,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.76ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 44.5MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.01ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 44.5MB in the beginning and 84.5MB in the end (delta: -40.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,616 INFO L158 Benchmark]: Boogie Preprocessor took 115.44ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 74.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,616 INFO L158 Benchmark]: RCFGBuilder took 1446.08ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 74.8MB in the beginning and 84.0MB in the end (delta: -9.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,616 INFO L158 Benchmark]: TraceAbstraction took 31225.68ms. Allocated memory was 165.7MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 84.0MB in the beginning and 620.8MB in the end (delta: -536.8MB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,616 INFO L158 Benchmark]: Witness Printer took 114.67ms. Allocated memory is still 1.1GB. Free memory was 620.8MB in the beginning and 605.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-12 00:56:42,618 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.76ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 44.5MB in the end (delta: 22.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.01ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 44.5MB in the beginning and 84.5MB in the end (delta: -40.0MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.44ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 74.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1446.08ms. Allocated memory was 123.7MB in the beginning and 165.7MB in the end (delta: 41.9MB). Free memory was 74.8MB in the beginning and 84.0MB in the end (delta: -9.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * TraceAbstraction took 31225.68ms. Allocated memory was 165.7MB in the beginning and 1.1GB in the end (delta: 958.4MB). Free memory was 84.0MB in the beginning and 620.8MB in the end (delta: -536.8MB). Peak memory consumption was 757.1MB. Max. memory is 16.1GB. * Witness Printer took 114.67ms. Allocated memory is still 1.1GB. Free memory was 620.8MB in the beginning and 605.6MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. 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: 205]: 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, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.1s, OverallIterations: 20, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2875 SdHoareTripleChecker+Valid, 14.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2875 mSDsluCounter, 3897 SdHoareTripleChecker+Invalid, 11.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 471 mSDsCounter, 2026 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12698 IncrementalHoareTripleChecker+Invalid, 14724 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2026 mSolverCounterUnsat, 3426 mSDtfsCounter, 12698 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22887occurred in iteration=18, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.8s AutomataMinimizationTime, 20 MinimizatonAttempts, 16859 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 245 NumberOfFragments, 655 HoareAnnotationTreeSize, 3 FomulaSimplifications, 3746 FormulaSimplificationTreeSizeReduction, 2.8s HoareSimplificationTime, 3 FomulaSimplificationsInter, 22704 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 9013 NumberOfCodeBlocks, 9013 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8991 ConstructedInterpolants, 0 QuantifiedInterpolants, 20770 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1081 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 22 InterpolantComputations, 20 PerfectInterpolantSequences, 13232/13734 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: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a23 + 43 <= 0 && a25 == 12) && a8 <= 15) && a29 <= 220) && a4 == 1) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || (((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a25 == 10)) || ((((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a23 <= 312) && 13 <= a25)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 <= 599998)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((((a4 == 0 && a25 == 11) && a8 <= 15) && a29 <= 599998) && a23 <= 312) && 246 <= a29)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || ((((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((a25 == 12 && a8 <= 15) && a4 == 1) && 312 <= a23) && a29 <= 231)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && 246 <= a29)) || (((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 599998) && 246 <= a29)) || (((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a23 + 43 <= 0 && a4 == 0) && a8 <= 15) && 28470 + a29 <= 0)) || (((a29 <= 274 && a8 <= 15) && a4 == 1) && 13 <= a25)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a23 + 43 <= 0 && a25 == 12) && a8 <= 15) && a29 <= 220) && a4 == 1) || ((((a25 == 11 && a29 <= 274) && a8 <= 15) && a4 == 1) && 246 <= a29)) || (((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a25 == 10)) || ((((a4 == 0 && a29 + 22 <= 0) && a8 <= 15) && a23 <= 312) && 13 <= a25)) || (((a25 == 12 && a8 <= 15) && 28470 + a29 <= 0) && a4 == 1)) || (((a25 == 12 && a4 == 0) && a8 <= 15) && a29 <= 599998)) || ((((a29 <= 140 && a4 == 0) && a25 == 11) && a8 <= 15) && a23 <= 312)) || (((((a4 == 0 && a25 == 11) && a8 <= 15) && a29 <= 599998) && a23 <= 312) && 246 <= a29)) || ((a25 <= 10 && a8 <= 15) && a4 == 1)) || ((((a25 == 12 && 0 < (a23 + -139) / 83 + 1) && a8 <= 15) && a4 == 1) && a23 <= 312)) || ((((a25 == 12 && a8 <= 15) && a4 == 1) && 312 <= a23) && a29 <= 231)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && 246 <= a29)) || (((((a23 + 43 <= 0 && a4 == 0) && a25 <= 10) && a8 <= 15) && a29 <= 599998) && 246 <= a29)) || (((a8 <= 15 && a29 <= 220) && a4 == 1) && 312 <= a23)) || (((a23 + 43 <= 0 && a4 == 0) && a8 <= 15) && 28470 + a29 <= 0)) || (((a29 <= 274 && a8 <= 15) && a4 == 1) && 13 <= a25)) || (((((a29 <= 140 && a4 == 0) && 0 < a23 + 43) && a25 <= 10) && a8 <= 15) && a23 <= 312)) || ((((a25 == 11 && a8 <= 15) && !(a23 + 43 <= 0)) && a4 == 1) && 246 <= a29)) || ((((0 < (a23 + -139) / 83 + 1 && a8 <= 15) && a29 <= 599998) && a4 == 1) && a23 <= 312) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-12 00:56:42,642 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