./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem02_label02.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/Problem02_label02.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 85831c87ee726a5ebef35050faa06bdc8a4bd6c3085f34f2763b92257fb80baa --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-11 23:58:45,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-11 23:58:45,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-11 23:58:45,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-11 23:58:45,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-11 23:58:45,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-11 23:58:45,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-11 23:58:45,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-11 23:58:45,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-11 23:58:45,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-11 23:58:45,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-11 23:58:45,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-11 23:58:45,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-11 23:58:45,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-11 23:58:45,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-11 23:58:45,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-11 23:58:45,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-11 23:58:45,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-11 23:58:45,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-11 23:58:45,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-11 23:58:45,629 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-11 23:58:45,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-11 23:58:45,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-11 23:58:45,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-11 23:58:45,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-11 23:58:45,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-11 23:58:45,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-11 23:58:45,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-11 23:58:45,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-11 23:58:45,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-11 23:58:45,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-11 23:58:45,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-11 23:58:45,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-11 23:58:45,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-11 23:58:45,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-11 23:58:45,647 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-11 23:58:45,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-11 23:58:45,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-11 23:58:45,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-11 23:58:45,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-11 23:58:45,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-11 23:58:45,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-11 23:58:45,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-11 23:58:45,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-11 23:58:45,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-11 23:58:45,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-11 23:58:45,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-11 23:58:45,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-11 23:58:45,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-11 23:58:45,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-11 23:58:45,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-11 23:58:45,687 INFO L138 SettingsManager]: * Use SBE=true [2022-07-11 23:58:45,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-11 23:58:45,688 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-11 23:58:45,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-11 23:58:45,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-11 23:58:45,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-11 23:58:45,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-11 23:58:45,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-11 23:58:45,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-11 23:58:45,689 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-11 23:58:45,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-11 23:58:45,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-11 23:58:45,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-11 23:58:45,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-11 23:58:45,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-11 23:58:45,691 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-11 23:58:45,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:58:45,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-11 23:58:45,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-11 23:58:45,692 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-11 23:58:45,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-11 23:58:45,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-11 23:58:45,693 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-11 23:58:45,693 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-11 23:58:45,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-11 23:58:45,693 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85831c87ee726a5ebef35050faa06bdc8a4bd6c3085f34f2763b92257fb80baa [2022-07-11 23:58:45,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-11 23:58:45,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-11 23:58:45,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-11 23:58:45,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-11 23:58:45,961 INFO L275 PluginConnector]: CDTParser initialized [2022-07-11 23:58:45,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2022-07-11 23:58:46,044 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440c70457/eff25818984a40b99bf01f79761faedf/FLAG6eea22c65 [2022-07-11 23:58:46,478 INFO L306 CDTParser]: Found 1 translation units. [2022-07-11 23:58:46,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem02_label02.c [2022-07-11 23:58:46,504 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440c70457/eff25818984a40b99bf01f79761faedf/FLAG6eea22c65 [2022-07-11 23:58:46,826 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/440c70457/eff25818984a40b99bf01f79761faedf [2022-07-11 23:58:46,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-11 23:58:46,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-11 23:58:46,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-11 23:58:46,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-11 23:58:46,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-11 23:58:46,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:58:46" (1/1) ... [2022-07-11 23:58:46,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2040de83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:46, skipping insertion in model container [2022-07-11 23:58:46,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 11:58:46" (1/1) ... [2022-07-11 23:58:46,840 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-11 23:58:46,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-11 23:58:47,121 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/Problem02_label02.c[15989,16002] [2022-07-11 23:58:47,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:58:47,207 INFO L203 MainTranslator]: Completed pre-run [2022-07-11 23:58:47,296 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/Problem02_label02.c[15989,16002] [2022-07-11 23:58:47,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 23:58:47,337 INFO L208 MainTranslator]: Completed translation [2022-07-11 23:58:47,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47 WrapperNode [2022-07-11 23:58:47,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-11 23:58:47,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-11 23:58:47,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-11 23:58:47,339 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-11 23:58:47,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,426 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-07-11 23:58:47,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-11 23:58:47,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-11 23:58:47,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-11 23:58:47,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-11 23:58:47,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-11 23:58:47,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-11 23:58:47,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-11 23:58:47,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-11 23:58:47,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (1/1) ... [2022-07-11 23:58:47,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 23:58:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:58:47,511 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) [2022-07-11 23:58:47,551 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 [2022-07-11 23:58:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-11 23:58:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-11 23:58:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-11 23:58:47,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-11 23:58:47,653 INFO L234 CfgBuilder]: Building ICFG [2022-07-11 23:58:47,654 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-11 23:58:48,530 INFO L275 CfgBuilder]: Performing block encoding [2022-07-11 23:58:48,557 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-11 23:58:48,558 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-11 23:58:48,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:58:48 BoogieIcfgContainer [2022-07-11 23:58:48,561 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-11 23:58:48,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-11 23:58:48,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-11 23:58:48,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-11 23:58:48,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 11:58:46" (1/3) ... [2022-07-11 23:58:48,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f05dc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:58:48, skipping insertion in model container [2022-07-11 23:58:48,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 11:58:47" (2/3) ... [2022-07-11 23:58:48,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f05dc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 11:58:48, skipping insertion in model container [2022-07-11 23:58:48,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:58:48" (3/3) ... [2022-07-11 23:58:48,572 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label02.c [2022-07-11 23:58:48,584 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-11 23:58:48,584 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-11 23:58:48,660 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-11 23:58:48,668 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@2c435e7b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4eb68349 [2022-07-11 23:58:48,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-11 23:58:48,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-07-11 23:58:48,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:48,698 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:48,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:48,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:48,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1717349669, now seen corresponding path program 1 times [2022-07-11 23:58:48,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:48,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631423] [2022-07-11 23:58:48,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:48,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:49,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:49,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:49,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631423] [2022-07-11 23:58:49,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:49,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:49,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-11 23:58:49,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864574965] [2022-07-11 23:58:49,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:49,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:49,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:49,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:49,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:49,135 INFO L87 Difference]: Start difference. First operand has 227 states, 225 states have (on average 1.6666666666666667) internal successors, (375), 226 states have internal predecessors, (375), 0 states have call successors, (0), 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 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:49,827 INFO L93 Difference]: Finished difference Result 630 states and 1070 transitions. [2022-07-11 23:58:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:49,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-07-11 23:58:49,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:49,842 INFO L225 Difference]: With dead ends: 630 [2022-07-11 23:58:49,842 INFO L226 Difference]: Without dead ends: 318 [2022-07-11 23:58:49,846 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 [2022-07-11 23:58:49,850 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 137 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:49,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 119 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-11 23:58:49,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2022-07-11 23:58:49,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2022-07-11 23:58:49,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 317 states have (on average 1.473186119873817) internal successors, (467), 317 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 467 transitions. [2022-07-11 23:58:49,901 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 467 transitions. Word has length 93 [2022-07-11 23:58:49,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:49,901 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 467 transitions. [2022-07-11 23:58:49,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 467 transitions. [2022-07-11 23:58:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-11 23:58:49,905 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:49,905 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:49,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-11 23:58:49,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:49,907 INFO L85 PathProgramCache]: Analyzing trace with hash -317427888, now seen corresponding path program 1 times [2022-07-11 23:58:49,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:49,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555856925] [2022-07-11 23:58:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:49,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:49,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:49,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555856925] [2022-07-11 23:58:49,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555856925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:49,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:49,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-11 23:58:49,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987597397] [2022-07-11 23:58:49,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:49,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:49,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:49,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:49,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:49,968 INFO L87 Difference]: Start difference. First operand 318 states and 467 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:50,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:50,434 INFO L93 Difference]: Finished difference Result 919 states and 1357 transitions. [2022-07-11 23:58:50,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:50,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-07-11 23:58:50,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:50,438 INFO L225 Difference]: With dead ends: 919 [2022-07-11 23:58:50,438 INFO L226 Difference]: Without dead ends: 603 [2022-07-11 23:58:50,440 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 [2022-07-11 23:58:50,441 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 143 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:50,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 122 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-11 23:58:50,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-07-11 23:58:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 601. [2022-07-11 23:58:50,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 600 states have (on average 1.2916666666666667) internal successors, (775), 600 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:50,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 775 transitions. [2022-07-11 23:58:50,483 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 775 transitions. Word has length 97 [2022-07-11 23:58:50,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:50,485 INFO L495 AbstractCegarLoop]: Abstraction has 601 states and 775 transitions. [2022-07-11 23:58:50,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 775 transitions. [2022-07-11 23:58:50,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-11 23:58:50,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:50,495 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:50,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-11 23:58:50,496 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:50,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:50,497 INFO L85 PathProgramCache]: Analyzing trace with hash -952269403, now seen corresponding path program 1 times [2022-07-11 23:58:50,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:50,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367559217] [2022-07-11 23:58:50,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:50,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:50,600 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:50,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:50,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367559217] [2022-07-11 23:58:50,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367559217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:50,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:50,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-11 23:58:50,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410622671] [2022-07-11 23:58:50,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:50,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:50,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:50,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:50,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:50,607 INFO L87 Difference]: Start difference. First operand 601 states and 775 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:51,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:51,061 INFO L93 Difference]: Finished difference Result 1486 states and 1974 transitions. [2022-07-11 23:58:51,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:51,062 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 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 102 [2022-07-11 23:58:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:51,065 INFO L225 Difference]: With dead ends: 1486 [2022-07-11 23:58:51,066 INFO L226 Difference]: Without dead ends: 887 [2022-07-11 23:58:51,068 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 [2022-07-11 23:58:51,071 INFO L413 NwaCegarLoop]: 238 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:51,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 255 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-11 23:58:51,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2022-07-11 23:58:51,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 885. [2022-07-11 23:58:51,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 884 states have (on average 1.2319004524886878) internal successors, (1089), 884 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1089 transitions. [2022-07-11 23:58:51,112 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1089 transitions. Word has length 102 [2022-07-11 23:58:51,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:51,112 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1089 transitions. [2022-07-11 23:58:51,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1089 transitions. [2022-07-11 23:58:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-11 23:58:51,121 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:51,121 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:51,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-11 23:58:51,122 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:51,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:51,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1884833057, now seen corresponding path program 1 times [2022-07-11 23:58:51,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:51,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546269838] [2022-07-11 23:58:51,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:51,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:51,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:51,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546269838] [2022-07-11 23:58:51,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546269838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:51,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:51,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-11 23:58:51,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082948672] [2022-07-11 23:58:51,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:51,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:51,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:51,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:51,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:51,193 INFO L87 Difference]: Start difference. First operand 885 states and 1089 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:51,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:51,595 INFO L93 Difference]: Finished difference Result 2469 states and 3053 transitions. [2022-07-11 23:58:51,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:51,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-07-11 23:58:51,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:51,601 INFO L225 Difference]: With dead ends: 2469 [2022-07-11 23:58:51,601 INFO L226 Difference]: Without dead ends: 1586 [2022-07-11 23:58:51,603 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 [2022-07-11 23:58:51,604 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 190 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:51,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 79 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-11 23:58:51,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2022-07-11 23:58:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1586. [2022-07-11 23:58:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1586 states, 1585 states have (on average 1.195583596214511) internal successors, (1895), 1585 states have internal predecessors, (1895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:51,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1586 states and 1895 transitions. [2022-07-11 23:58:51,634 INFO L78 Accepts]: Start accepts. Automaton has 1586 states and 1895 transitions. Word has length 103 [2022-07-11 23:58:51,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:51,635 INFO L495 AbstractCegarLoop]: Abstraction has 1586 states and 1895 transitions. [2022-07-11 23:58:51,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 1895 transitions. [2022-07-11 23:58:51,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-11 23:58:51,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:51,638 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:51,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-11 23:58:51,638 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:51,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:51,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1388322065, now seen corresponding path program 1 times [2022-07-11 23:58:51,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:51,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925900665] [2022-07-11 23:58:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:51,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:51,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:51,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925900665] [2022-07-11 23:58:51,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925900665] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:51,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:51,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-11 23:58:51,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140161550] [2022-07-11 23:58:51,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:51,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:51,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:51,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:51,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:51,678 INFO L87 Difference]: Start difference. First operand 1586 states and 1895 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:52,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:52,083 INFO L93 Difference]: Finished difference Result 3731 states and 4456 transitions. [2022-07-11 23:58:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:52,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-07-11 23:58:52,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:52,091 INFO L225 Difference]: With dead ends: 3731 [2022-07-11 23:58:52,091 INFO L226 Difference]: Without dead ends: 2147 [2022-07-11 23:58:52,093 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 [2022-07-11 23:58:52,094 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 143 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:52,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 270 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-11 23:58:52,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-07-11 23:58:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2146. [2022-07-11 23:58:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.156177156177156) internal successors, (2480), 2145 states have internal predecessors, (2480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:52,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2480 transitions. [2022-07-11 23:58:52,138 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2480 transitions. Word has length 106 [2022-07-11 23:58:52,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:52,139 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2480 transitions. [2022-07-11 23:58:52,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:52,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2480 transitions. [2022-07-11 23:58:52,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-11 23:58:52,143 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:52,143 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:52,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-11 23:58:52,144 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:52,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:52,145 INFO L85 PathProgramCache]: Analyzing trace with hash 2061904350, now seen corresponding path program 1 times [2022-07-11 23:58:52,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:52,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412207705] [2022-07-11 23:58:52,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:52,188 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:52,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:52,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412207705] [2022-07-11 23:58:52,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412207705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:52,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:52,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-11 23:58:52,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050428131] [2022-07-11 23:58:52,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:52,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:52,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:52,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:52,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:52,191 INFO L87 Difference]: Start difference. First operand 2146 states and 2480 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:52,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:52,566 INFO L93 Difference]: Finished difference Result 4291 states and 4960 transitions. [2022-07-11 23:58:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:52,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 122 [2022-07-11 23:58:52,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:52,574 INFO L225 Difference]: With dead ends: 4291 [2022-07-11 23:58:52,575 INFO L226 Difference]: Without dead ends: 2147 [2022-07-11 23:58:52,577 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 [2022-07-11 23:58:52,578 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 162 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:52,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 52 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-11 23:58:52,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2147 states. [2022-07-11 23:58:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2147 to 2146. [2022-07-11 23:58:52,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 2145 states have (on average 1.1305361305361306) internal successors, (2425), 2145 states have internal predecessors, (2425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2425 transitions. [2022-07-11 23:58:52,633 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2425 transitions. Word has length 122 [2022-07-11 23:58:52,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:52,634 INFO L495 AbstractCegarLoop]: Abstraction has 2146 states and 2425 transitions. [2022-07-11 23:58:52,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2425 transitions. [2022-07-11 23:58:52,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-11 23:58:52,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:52,638 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:52,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-11 23:58:52,638 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:52,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:52,639 INFO L85 PathProgramCache]: Analyzing trace with hash -2125529560, now seen corresponding path program 1 times [2022-07-11 23:58:52,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:52,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012799282] [2022-07-11 23:58:52,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:52,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 32 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 23:58:52,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:52,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012799282] [2022-07-11 23:58:52,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012799282] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:58:52,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081869844] [2022-07-11 23:58:52,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:52,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:58:52,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:58:52,763 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) [2022-07-11 23:58:52,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-11 23:58:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:52,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-11 23:58:52,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:58:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-07-11 23:58:53,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-11 23:58:53,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081869844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:53,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-11 23:58:53,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-07-11 23:58:53,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089729868] [2022-07-11 23:58:53,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:53,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:53,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:53,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-11 23:58:53,134 INFO L87 Difference]: Start difference. First operand 2146 states and 2425 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:53,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:53,540 INFO L93 Difference]: Finished difference Result 5408 states and 6178 transitions. [2022-07-11 23:58:53,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:53,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2022-07-11 23:58:53,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:53,552 INFO L225 Difference]: With dead ends: 5408 [2022-07-11 23:58:53,553 INFO L226 Difference]: Without dead ends: 3264 [2022-07-11 23:58:53,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-11 23:58:53,557 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 120 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:53,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 48 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-11 23:58:53,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3264 states. [2022-07-11 23:58:53,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3264 to 2423. [2022-07-11 23:58:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2423 states, 2422 states have (on average 1.1581337737407102) internal successors, (2805), 2422 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:53,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2423 states and 2805 transitions. [2022-07-11 23:58:53,607 INFO L78 Accepts]: Start accepts. Automaton has 2423 states and 2805 transitions. Word has length 126 [2022-07-11 23:58:53,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:53,608 INFO L495 AbstractCegarLoop]: Abstraction has 2423 states and 2805 transitions. [2022-07-11 23:58:53,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 2805 transitions. [2022-07-11 23:58:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-07-11 23:58:53,612 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:53,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:53,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-11 23:58:53,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:58:53,838 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:53,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:53,839 INFO L85 PathProgramCache]: Analyzing trace with hash -2074098789, now seen corresponding path program 1 times [2022-07-11 23:58:53,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:53,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346046172] [2022-07-11 23:58:53,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:53,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:53,945 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-07-11 23:58:53,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:53,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346046172] [2022-07-11 23:58:53,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346046172] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-11 23:58:53,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694793445] [2022-07-11 23:58:53,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:53,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 23:58:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 23:58:53,948 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) [2022-07-11 23:58:53,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-11 23:58:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:54,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-11 23:58:54,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 23:58:54,223 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-07-11 23:58:54,224 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-11 23:58:54,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694793445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:54,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-11 23:58:54,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-11 23:58:54,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449556317] [2022-07-11 23:58:54,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:54,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:54,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:54,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:54,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-11 23:58:54,227 INFO L87 Difference]: Start difference. First operand 2423 states and 2805 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:54,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:54,614 INFO L93 Difference]: Finished difference Result 4844 states and 5608 transitions. [2022-07-11 23:58:54,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:54,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 152 [2022-07-11 23:58:54,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:54,623 INFO L225 Difference]: With dead ends: 4844 [2022-07-11 23:58:54,624 INFO L226 Difference]: Without dead ends: 2423 [2022-07-11 23:58:54,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-11 23:58:54,630 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 70 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:54,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 247 Invalid, 417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-11 23:58:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2022-07-11 23:58:54,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2283. [2022-07-11 23:58:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 2282 states have (on average 1.1029798422436459) internal successors, (2517), 2282 states have internal predecessors, (2517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 2517 transitions. [2022-07-11 23:58:54,670 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 2517 transitions. Word has length 152 [2022-07-11 23:58:54,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:54,671 INFO L495 AbstractCegarLoop]: Abstraction has 2283 states and 2517 transitions. [2022-07-11 23:58:54,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:54,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2517 transitions. [2022-07-11 23:58:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-11 23:58:54,676 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:54,676 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-11 23:58:54,703 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-11 23:58:54,891 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,SelfDestructingSolverStorable7 [2022-07-11 23:58:54,892 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:54,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:54,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1599785159, now seen corresponding path program 1 times [2022-07-11 23:58:54,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:54,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038929685] [2022-07-11 23:58:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:54,997 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-11 23:58:54,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:54,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038929685] [2022-07-11 23:58:54,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038929685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:54,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:54,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-11 23:58:54,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128682380] [2022-07-11 23:58:54,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:54,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:54,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:55,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:55,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:55,000 INFO L87 Difference]: Start difference. First operand 2283 states and 2517 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:55,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:55,425 INFO L93 Difference]: Finished difference Result 4994 states and 5579 transitions. [2022-07-11 23:58:55,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:55,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 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 203 [2022-07-11 23:58:55,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:55,434 INFO L225 Difference]: With dead ends: 4994 [2022-07-11 23:58:55,434 INFO L226 Difference]: Without dead ends: 2713 [2022-07-11 23:58:55,437 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 [2022-07-11 23:58:55,439 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 90 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:55,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 255 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-11 23:58:55,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2022-07-11 23:58:55,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2705. [2022-07-11 23:58:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2705 states, 2704 states have (on average 1.1090976331360947) internal successors, (2999), 2704 states have internal predecessors, (2999), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:55,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 2999 transitions. [2022-07-11 23:58:55,484 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 2999 transitions. Word has length 203 [2022-07-11 23:58:55,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:55,485 INFO L495 AbstractCegarLoop]: Abstraction has 2705 states and 2999 transitions. [2022-07-11 23:58:55,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 3 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 2999 transitions. [2022-07-11 23:58:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-11 23:58:55,491 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 23:58:55,491 INFO L195 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-11 23:58:55,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-11 23:58:55,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 23:58:55,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 23:58:55,492 INFO L85 PathProgramCache]: Analyzing trace with hash -959885373, now seen corresponding path program 1 times [2022-07-11 23:58:55,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 23:58:55,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346567781] [2022-07-11 23:58:55,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 23:58:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 23:58:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 23:58:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-11 23:58:55,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 23:58:55,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346567781] [2022-07-11 23:58:55,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346567781] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 23:58:55,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 23:58:55,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-11 23:58:55,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894393133] [2022-07-11 23:58:55,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 23:58:55,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-11 23:58:55,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 23:58:55,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-11 23:58:55,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-11 23:58:55,586 INFO L87 Difference]: Start difference. First operand 2705 states and 2999 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:55,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 23:58:55,798 INFO L93 Difference]: Finished difference Result 4829 states and 5358 transitions. [2022-07-11 23:58:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-11 23:58:55,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 228 [2022-07-11 23:58:55,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 23:58:55,799 INFO L225 Difference]: With dead ends: 4829 [2022-07-11 23:58:55,799 INFO L226 Difference]: Without dead ends: 0 [2022-07-11 23:58:55,803 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 [2022-07-11 23:58:55,803 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 170 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-11 23:58:55,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 18 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-11 23:58:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-11 23:58:55,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-11 23:58:55,805 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) [2022-07-11 23:58:55,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-11 23:58:55,805 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2022-07-11 23:58:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 23:58:55,806 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-11 23:58:55,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-11 23:58:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-11 23:58:55,806 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-11 23:58:55,808 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-11 23:58:55,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-11 23:58:55,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-11 23:58:56,146 INFO L899 garLoopResultBuilder]: For program point L565-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,146 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L433-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 423) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L235(lines 235 423) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 423) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L566(line 566) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L500(line 500) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L434(line 434) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 423) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 423) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L568-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L502-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L436-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 423) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L569(line 569) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L503(line 503) no Hoare annotation was computed. [2022-07-11 23:58:56,147 INFO L899 garLoopResultBuilder]: For program point L437(line 437) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 423) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L571-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L505-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L439-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 423) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L175(lines 175 423) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 423) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L440(line 440) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 317) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L242(lines 242 423) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 317) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 423) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L574-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,148 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L442-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 423) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L509(line 509) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L443(line 443) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L179(lines 179 423) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L378(lines 378 423) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 423) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L577-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L511-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L445-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 423) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L578(line 578) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L512(line 512) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2022-07-11 23:58:56,149 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 256) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L248-2(lines 248 256) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L116(lines 116 423) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L580-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L514-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L448-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L52(lines 52 423) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L581(line 581) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L449(line 449) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 423) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L583-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L517-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L451-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 423) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L319(lines 319 423) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L584(line 584) no Hoare annotation was computed. [2022-07-11 23:58:56,150 INFO L899 garLoopResultBuilder]: For program point L518(line 518) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L452(line 452) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L586-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L520-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L587(line 587) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L521(line 521) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L455(line 455) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 423) no Hoare annotation was computed. [2022-07-11 23:58:56,151 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 423) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L589-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L523-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 397) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 336) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L391-2(lines 391 397) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L325-2(lines 325 336) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L590(line 590) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L524(line 524) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 423) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 423) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L526-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 423) no Hoare annotation was computed. [2022-07-11 23:58:56,152 INFO L899 garLoopResultBuilder]: For program point L593(line 593) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L461(line 461) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L263(lines 263 423) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L197(lines 197 423) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 461) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L529-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L463-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 423) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 423) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L596(line 596) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L530(line 530) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L464(line 464) no Hoare annotation was computed. [2022-07-11 23:58:56,153 INFO L899 garLoopResultBuilder]: For program point L399(lines 399 423) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 423) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 423) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L598-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L532-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L599(line 599) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L467(line 467) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 423) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 423) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L601-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L535-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L469-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L271(lines 271 423) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L602(line 602) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L536(line 536) no Hoare annotation was computed. [2022-07-11 23:58:56,154 INFO L899 garLoopResultBuilder]: For program point L470(line 470) no Hoare annotation was computed. [2022-07-11 23:58:56,155 INFO L899 garLoopResultBuilder]: For program point L404(lines 404 423) no Hoare annotation was computed. [2022-07-11 23:58:56,155 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 423) no Hoare annotation was computed. [2022-07-11 23:58:56,155 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 284) no Hoare annotation was computed. [2022-07-11 23:58:56,155 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 284) no Hoare annotation was computed. [2022-07-11 23:58:56,155 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 423) no Hoare annotation was computed. [2022-07-11 23:58:56,160 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 423) no Hoare annotation was computed. [2022-07-11 23:58:56,161 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 604 606) no Hoare annotation was computed. [2022-07-11 23:58:56,161 INFO L899 garLoopResultBuilder]: For program point L538-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,161 INFO L899 garLoopResultBuilder]: For program point L472-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,161 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 423) no Hoare annotation was computed. [2022-07-11 23:58:56,161 INFO L899 garLoopResultBuilder]: For program point L605(line 605) no Hoare annotation was computed. [2022-07-11 23:58:56,161 INFO L899 garLoopResultBuilder]: For program point L539(line 539) no Hoare annotation was computed. [2022-07-11 23:58:56,162 INFO L899 garLoopResultBuilder]: For program point L473(line 473) no Hoare annotation was computed. [2022-07-11 23:58:56,162 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 423) no Hoare annotation was computed. [2022-07-11 23:58:56,162 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 423) no Hoare annotation was computed. [2022-07-11 23:58:56,162 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 345) no Hoare annotation was computed. [2022-07-11 23:58:56,162 INFO L899 garLoopResultBuilder]: For program point L342-2(lines 342 345) no Hoare annotation was computed. [2022-07-11 23:58:56,162 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 423) no Hoare annotation was computed. [2022-07-11 23:58:56,163 INFO L895 garLoopResultBuilder]: At program point L607(lines 39 608) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= ~a25~0 1)) (.cse5 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 10 ~a28~0) .cse2 .cse4 (not .cse0) .cse3) (and .cse5 .cse2 .cse4 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~a25~0 ~a11~0) .cse0 .cse2 .cse3 (<= ~a28~0 7)) (and .cse2 .cse4 (<= ~a19~0 0)) (and .cse0 .cse5 .cse2 .cse3))) [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L475-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 423) no Hoare annotation was computed. [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L542(line 542) no Hoare annotation was computed. [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L476(line 476) no Hoare annotation was computed. [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 423) no Hoare annotation was computed. [2022-07-11 23:58:56,164 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2022-07-11 23:58:56,165 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2022-07-11 23:58:56,165 INFO L902 garLoopResultBuilder]: At program point L610(lines 610 627) the Hoare annotation is: true [2022-07-11 23:58:56,165 INFO L899 garLoopResultBuilder]: For program point L544-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,165 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,165 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 423) no Hoare annotation was computed. [2022-07-11 23:58:56,165 INFO L899 garLoopResultBuilder]: For program point L545(line 545) no Hoare annotation was computed. [2022-07-11 23:58:56,165 INFO L899 garLoopResultBuilder]: For program point L479(line 479) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 423) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 423) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 423) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L348(lines 348 357) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L348-2(lines 348 357) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 423) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L547-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,166 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 90) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point L85-2(lines 85 90) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point L548(line 548) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point L482(line 482) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-07-11 23:58:56,167 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 423) no Hoare annotation was computed. [2022-07-11 23:58:56,168 INFO L895 garLoopResultBuilder]: At program point L616-2(lines 616 626) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse4 (<= ~a28~0 10)) (.cse0 (= ~a25~0 1)) (.cse5 (= ~a11~0 0)) (.cse2 (<= ~a17~0 8)) (.cse3 (= ~a19~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= 10 ~a28~0) .cse2 .cse4 (not .cse0) .cse3) (and .cse5 .cse2 .cse4 .cse3) (and .cse1 .cse2 .cse4 .cse3) (and (= ~a25~0 ~a11~0) .cse0 .cse2 .cse3 (<= ~a28~0 7)) (and .cse2 .cse4 (<= ~a19~0 0)) (and .cse0 .cse5 .cse2 .cse3))) [2022-07-11 23:58:56,168 INFO L899 garLoopResultBuilder]: For program point L550-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,168 INFO L899 garLoopResultBuilder]: For program point L484-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,168 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 423) no Hoare annotation was computed. [2022-07-11 23:58:56,168 INFO L899 garLoopResultBuilder]: For program point L551(line 551) no Hoare annotation was computed. [2022-07-11 23:58:56,168 INFO L899 garLoopResultBuilder]: For program point L485(line 485) no Hoare annotation was computed. [2022-07-11 23:58:56,168 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L222(lines 222 423) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L554(line 554) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L488(line 488) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 423) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 423) no Hoare annotation was computed. [2022-07-11 23:58:56,169 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 423) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L621(line 621) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 423) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 93 99) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 426) no Hoare annotation was computed. [2022-07-11 23:58:56,170 INFO L899 garLoopResultBuilder]: For program point L424-2(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L491(line 491) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L359(lines 359 423) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L293(lines 293 423) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L228(lines 228 423) no Hoare annotation was computed. [2022-07-11 23:58:56,171 INFO L899 garLoopResultBuilder]: For program point L559-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L493-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L427-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L560(line 560) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L428(line 428) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 423) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 423) no Hoare annotation was computed. [2022-07-11 23:58:56,172 INFO L899 garLoopResultBuilder]: For program point L562-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L496-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L430-1(lines 39 608) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L364(lines 364 423) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L563(line 563) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L497(line 497) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L431(line 431) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L233(lines 233 423) no Hoare annotation was computed. [2022-07-11 23:58:56,173 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 423) no Hoare annotation was computed. [2022-07-11 23:58:56,178 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 23:58:56,180 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-11 23:58:56,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 11:58:56 BoogieIcfgContainer [2022-07-11 23:58:56,212 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-11 23:58:56,213 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-11 23:58:56,213 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-11 23:58:56,213 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-11 23:58:56,214 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 11:58:48" (3/4) ... [2022-07-11 23:58:56,216 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-11 23:58:56,237 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-11 23:58:56,238 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-11 23:58:56,239 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-11 23:58:56,240 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-11 23:58:56,332 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-11 23:58:56,332 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-11 23:58:56,333 INFO L158 Benchmark]: Toolchain (without parser) took 9503.44ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 61.6MB in the beginning and 87.8MB in the end (delta: -26.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,333 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 23:58:56,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.35ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 57.7MB in the end (delta: 3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.86ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 52.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,334 INFO L158 Benchmark]: Boogie Preprocessor took 51.99ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 48.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,334 INFO L158 Benchmark]: RCFGBuilder took 1080.68ms. Allocated memory is still 96.5MB. Free memory was 48.2MB in the beginning and 68.6MB in the end (delta: -20.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,335 INFO L158 Benchmark]: TraceAbstraction took 7648.78ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 68.0MB in the beginning and 98.3MB in the end (delta: -30.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,335 INFO L158 Benchmark]: Witness Printer took 119.31ms. Allocated memory is still 182.5MB. Free memory was 98.3MB in the beginning and 87.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-11 23:58:56,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.35ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 57.7MB in the end (delta: 3.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.86ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 52.4MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.99ms. Allocated memory is still 96.5MB. Free memory was 52.4MB in the beginning and 48.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1080.68ms. Allocated memory is still 96.5MB. Free memory was 48.2MB in the beginning and 68.6MB in the end (delta: -20.4MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * TraceAbstraction took 7648.78ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 68.0MB in the beginning and 98.3MB in the end (delta: -30.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Witness Printer took 119.31ms. Allocated memory is still 182.5MB. Free memory was 98.3MB in the beginning and 87.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 461]: 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, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 10, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1369 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1369 mSDsluCounter, 1465 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 656 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3581 IncrementalHoareTripleChecker+Invalid, 4237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 656 mSolverCounterUnsat, 1313 mSDtfsCounter, 3581 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 304 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2705occurred in iteration=9, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 995 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 35 NumberOfFragments, 193 HoareAnnotationTreeSize, 3 FomulaSimplifications, 18 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 532 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1598 ConstructedInterpolants, 0 QuantifiedInterpolants, 3776 SizeOfPredicates, 0 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 698/714 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: 616]: Loop Invariant Derived loop invariant: ((((((((a25 == 1 && 8 <= a17) && a17 <= 8) && a19 == 1) || ((((10 <= a28 && a17 <= 8) && a28 <= 10) && !(a25 == 1)) && a19 == 1)) || (((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((8 <= a17 && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((a17 <= 8 && a28 <= 10) && a19 <= 0)) || (((a25 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: ((((((((a25 == 1 && 8 <= a17) && a17 <= 8) && a19 == 1) || ((((10 <= a28 && a17 <= 8) && a28 <= 10) && !(a25 == 1)) && a19 == 1)) || (((a11 == 0 && a17 <= 8) && a28 <= 10) && a19 == 1)) || (((8 <= a17 && a17 <= 8) && a28 <= 10) && a19 == 1)) || ((((a25 == a11 && a25 == 1) && a17 <= 8) && a19 == 1) && a28 <= 7)) || ((a17 <= 8 && a28 <= 10) && a19 <= 0)) || (((a25 == 1 && a11 == 0) && a17 <= 8) && a19 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-11 23:58:56,379 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