./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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/Problem03_label32.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 06b61c7a92b1aafb8eaed71c9c03004c8dc3a1341fd95aec7c0057c1c21f0a3d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 11:47:44,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 11:47:44,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 11:47:44,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 11:47:44,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 11:47:44,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 11:47:44,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 11:47:44,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 11:47:44,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 11:47:44,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 11:47:44,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 11:47:44,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 11:47:44,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 11:47:44,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 11:47:44,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 11:47:44,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 11:47:44,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 11:47:44,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 11:47:44,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 11:47:44,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 11:47:44,806 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 11:47:44,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 11:47:44,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 11:47:44,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 11:47:44,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 11:47:44,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 11:47:44,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 11:47:44,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 11:47:44,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 11:47:44,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 11:47:44,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 11:47:44,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 11:47:44,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 11:47:44,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 11:47:44,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 11:47:44,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 11:47:44,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 11:47:44,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 11:47:44,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 11:47:44,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 11:47:44,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 11:47:44,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 11:47:44,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 11:47:44,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 11:47:44,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 11:47:44,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 11:47:44,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 11:47:44,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 11:47:44,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 11:47:44,846 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 11:47:44,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 11:47:44,846 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 11:47:44,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 11:47:44,847 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 11:47:44,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 11:47:44,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 11:47:44,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 11:47:44,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 11:47:44,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 11:47:44,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 11:47:44,848 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 11:47:44,848 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 11:47:44,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 11:47:44,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 11:47:44,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 11:47:44,849 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 11:47:44,849 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 11:47:44,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:47:44,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 11:47:44,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 11:47:44,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 11:47:44,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 11:47:44,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 11:47:44,851 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 11:47:44,851 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 11:47:44,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 11:47:44,851 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06b61c7a92b1aafb8eaed71c9c03004c8dc3a1341fd95aec7c0057c1c21f0a3d [2022-07-13 11:47:45,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 11:47:45,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 11:47:45,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 11:47:45,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 11:47:45,077 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 11:47:45,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2022-07-13 11:47:45,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d67434b8/a20eaa4d688a4987aabe9763e807b415/FLAG0bf07b359 [2022-07-13 11:47:45,548 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 11:47:45,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label32.c [2022-07-13 11:47:45,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d67434b8/a20eaa4d688a4987aabe9763e807b415/FLAG0bf07b359 [2022-07-13 11:47:45,844 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d67434b8/a20eaa4d688a4987aabe9763e807b415 [2022-07-13 11:47:45,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 11:47:45,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 11:47:45,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 11:47:45,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 11:47:45,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 11:47:45,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:47:45" (1/1) ... [2022-07-13 11:47:45,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@694b8002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:45, skipping insertion in model container [2022-07-13 11:47:45,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 11:47:45" (1/1) ... [2022-07-13 11:47:45,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 11:47:45,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 11:47:46,325 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/Problem03_label32.c[59744,59757] [2022-07-13 11:47:46,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:47:46,349 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 11:47:46,521 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/Problem03_label32.c[59744,59757] [2022-07-13 11:47:46,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 11:47:46,547 INFO L208 MainTranslator]: Completed translation [2022-07-13 11:47:46,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46 WrapperNode [2022-07-13 11:47:46,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 11:47:46,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 11:47:46,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 11:47:46,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 11:47:46,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,678 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-07-13 11:47:46,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 11:47:46,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 11:47:46,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 11:47:46,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 11:47:46,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 11:47:46,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 11:47:46,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 11:47:46,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 11:47:46,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (1/1) ... [2022-07-13 11:47:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 11:47:46,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:47:46,824 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) [2022-07-13 11:47:46,841 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 [2022-07-13 11:47:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 11:47:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 11:47:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 11:47:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 11:47:46,930 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 11:47:46,931 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 11:47:48,040 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 11:47:48,049 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 11:47:48,050 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-13 11:47:48,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:47:48 BoogieIcfgContainer [2022-07-13 11:47:48,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 11:47:48,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 11:47:48,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 11:47:48,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 11:47:48,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 11:47:45" (1/3) ... [2022-07-13 11:47:48,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79996009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:47:48, skipping insertion in model container [2022-07-13 11:47:48,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 11:47:46" (2/3) ... [2022-07-13 11:47:48,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79996009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:47:48, skipping insertion in model container [2022-07-13 11:47:48,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:47:48" (3/3) ... [2022-07-13 11:47:48,059 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label32.c [2022-07-13 11:47:48,070 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 11:47:48,070 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 11:47:48,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 11:47:48,125 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@278600b8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4cc3592 [2022-07-13 11:47:48,126 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 11:47:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-13 11:47:48,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:48,160 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:48,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:48,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:48,165 INFO L85 PathProgramCache]: Analyzing trace with hash -570388181, now seen corresponding path program 1 times [2022-07-13 11:47:48,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:48,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103999247] [2022-07-13 11:47:48,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:48,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:47:48,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:48,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103999247] [2022-07-13 11:47:48,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103999247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:48,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:48,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:47:48,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964918642] [2022-07-13 11:47:48,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:48,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:48,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:48,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:48,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:47:48,679 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:49,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:49,397 INFO L93 Difference]: Finished difference Result 855 states and 1496 transitions. [2022-07-13 11:47:49,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:49,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 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 189 [2022-07-13 11:47:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:49,407 INFO L225 Difference]: With dead ends: 855 [2022-07-13 11:47:49,408 INFO L226 Difference]: Without dead ends: 460 [2022-07-13 11:47:49,410 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 [2022-07-13 11:47:49,412 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 107 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:49,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 176 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 11:47:49,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2022-07-13 11:47:49,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2022-07-13 11:47:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.5502183406113537) internal successors, (710), 458 states have internal predecessors, (710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions. [2022-07-13 11:47:49,450 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 189 [2022-07-13 11:47:49,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:49,450 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions. [2022-07-13 11:47:49,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions. [2022-07-13 11:47:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-13 11:47:49,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:49,453 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:49,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 11:47:49,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:49,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:49,453 INFO L85 PathProgramCache]: Analyzing trace with hash -2032616869, now seen corresponding path program 1 times [2022-07-13 11:47:49,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:49,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80618935] [2022-07-13 11:47:49,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:49,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:49,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:47:49,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:49,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80618935] [2022-07-13 11:47:49,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80618935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:49,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:49,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:47:49,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332340634] [2022-07-13 11:47:49,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:49,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:49,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:49,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:49,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:47:49,512 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:50,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:50,115 INFO L93 Difference]: Finished difference Result 1340 states and 2081 transitions. [2022-07-13 11:47:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:50,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 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 194 [2022-07-13 11:47:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:50,119 INFO L225 Difference]: With dead ends: 1340 [2022-07-13 11:47:50,119 INFO L226 Difference]: Without dead ends: 883 [2022-07-13 11:47:50,120 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 [2022-07-13 11:47:50,121 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 249 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:50,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 180 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 11:47:50,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-07-13 11:47:50,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 880. [2022-07-13 11:47:50,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 1.4675767918088738) internal successors, (1290), 879 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:50,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1290 transitions. [2022-07-13 11:47:50,145 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1290 transitions. Word has length 194 [2022-07-13 11:47:50,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:50,146 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1290 transitions. [2022-07-13 11:47:50,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1290 transitions. [2022-07-13 11:47:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-13 11:47:50,155 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:50,156 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:50,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 11:47:50,156 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:50,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:50,160 INFO L85 PathProgramCache]: Analyzing trace with hash -811782164, now seen corresponding path program 1 times [2022-07-13 11:47:50,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:50,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307737789] [2022-07-13 11:47:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:47:50,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:50,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307737789] [2022-07-13 11:47:50,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307737789] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:50,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:50,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:47:50,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843776939] [2022-07-13 11:47:50,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:50,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:50,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:50,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:50,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:47:50,250 INFO L87 Difference]: Start difference. First operand 880 states and 1290 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:50,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:50,865 INFO L93 Difference]: Finished difference Result 2594 states and 3819 transitions. [2022-07-13 11:47:50,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:50,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 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 197 [2022-07-13 11:47:50,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:50,870 INFO L225 Difference]: With dead ends: 2594 [2022-07-13 11:47:50,871 INFO L226 Difference]: Without dead ends: 1716 [2022-07-13 11:47:50,872 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 [2022-07-13 11:47:50,877 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 249 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:50,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 90 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 11:47:50,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states. [2022-07-13 11:47:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696. [2022-07-13 11:47:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.43834808259587) internal successors, (2438), 1695 states have internal predecessors, (2438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2438 transitions. [2022-07-13 11:47:50,906 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2438 transitions. Word has length 197 [2022-07-13 11:47:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:50,907 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2438 transitions. [2022-07-13 11:47:50,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 2 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2438 transitions. [2022-07-13 11:47:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-13 11:47:50,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:50,910 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:50,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 11:47:50,910 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:50,911 INFO L85 PathProgramCache]: Analyzing trace with hash 48899105, now seen corresponding path program 1 times [2022-07-13 11:47:50,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:50,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205623238] [2022-07-13 11:47:50,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:50,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-13 11:47:51,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:51,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205623238] [2022-07-13 11:47:51,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205623238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:51,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:51,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:47:51,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487221626] [2022-07-13 11:47:51,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:51,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 11:47:51,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:51,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 11:47:51,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:47:51,133 INFO L87 Difference]: Start difference. First operand 1696 states and 2438 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:51,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:51,808 INFO L93 Difference]: Finished difference Result 3531 states and 5126 transitions. [2022-07-13 11:47:51,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 11:47:51,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 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 204 [2022-07-13 11:47:51,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:51,813 INFO L225 Difference]: With dead ends: 3531 [2022-07-13 11:47:51,813 INFO L226 Difference]: Without dead ends: 1663 [2022-07-13 11:47:51,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:47:51,816 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 331 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:51,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 47 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 11:47:51,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2022-07-13 11:47:51,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1663. [2022-07-13 11:47:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1663 states, 1662 states have (on average 1.3243080625752106) internal successors, (2201), 1662 states have internal predecessors, (2201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2201 transitions. [2022-07-13 11:47:51,838 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2201 transitions. Word has length 204 [2022-07-13 11:47:51,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:51,839 INFO L495 AbstractCegarLoop]: Abstraction has 1663 states and 2201 transitions. [2022-07-13 11:47:51,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 3 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2201 transitions. [2022-07-13 11:47:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-07-13 11:47:51,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:51,842 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:51,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 11:47:51,843 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:51,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:51,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1777737916, now seen corresponding path program 1 times [2022-07-13 11:47:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:51,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50955559] [2022-07-13 11:47:51,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:51,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:47:52,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:52,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50955559] [2022-07-13 11:47:52,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50955559] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:52,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:52,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:47:52,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897539605] [2022-07-13 11:47:52,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:52,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 11:47:52,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:52,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 11:47:52,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:47:52,012 INFO L87 Difference]: Start difference. First operand 1663 states and 2201 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:52,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:52,805 INFO L93 Difference]: Finished difference Result 4323 states and 5738 transitions. [2022-07-13 11:47:52,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 11:47:52,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 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 220 [2022-07-13 11:47:52,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:52,811 INFO L225 Difference]: With dead ends: 4323 [2022-07-13 11:47:52,811 INFO L226 Difference]: Without dead ends: 2488 [2022-07-13 11:47:52,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:47:52,813 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 194 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1053 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1053 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:52,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 100 Invalid, 1206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1053 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-13 11:47:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2488 states. [2022-07-13 11:47:52,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2488 to 2487. [2022-07-13 11:47:52,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2487 states, 2486 states have (on average 1.3073209975864843) internal successors, (3250), 2486 states have internal predecessors, (3250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:52,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 2487 states and 3250 transitions. [2022-07-13 11:47:52,841 INFO L78 Accepts]: Start accepts. Automaton has 2487 states and 3250 transitions. Word has length 220 [2022-07-13 11:47:52,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:52,841 INFO L495 AbstractCegarLoop]: Abstraction has 2487 states and 3250 transitions. [2022-07-13 11:47:52,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:52,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 3250 transitions. [2022-07-13 11:47:52,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-13 11:47:52,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:52,845 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:52,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 11:47:52,845 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:52,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:52,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1389386817, now seen corresponding path program 1 times [2022-07-13 11:47:52,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:52,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904071019] [2022-07-13 11:47:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:52,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-13 11:47:52,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:52,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904071019] [2022-07-13 11:47:52,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904071019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:52,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:52,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:47:52,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587091737] [2022-07-13 11:47:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:52,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:52,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:52,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:52,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:47:52,920 INFO L87 Difference]: Start difference. First operand 2487 states and 3250 transitions. Second operand has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:53,456 INFO L93 Difference]: Finished difference Result 7433 states and 9718 transitions. [2022-07-13 11:47:53,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:53,457 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 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 222 [2022-07-13 11:47:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:53,468 INFO L225 Difference]: With dead ends: 7433 [2022-07-13 11:47:53,468 INFO L226 Difference]: Without dead ends: 4948 [2022-07-13 11:47:53,472 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 [2022-07-13 11:47:53,473 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 206 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:53,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 62 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:47:53,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2022-07-13 11:47:53,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 4937. [2022-07-13 11:47:53,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4936 states have (on average 1.2872771474878444) internal successors, (6354), 4936 states have internal predecessors, (6354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:53,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6354 transitions. [2022-07-13 11:47:53,547 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6354 transitions. Word has length 222 [2022-07-13 11:47:53,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:53,548 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 6354 transitions. [2022-07-13 11:47:53,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 2 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6354 transitions. [2022-07-13 11:47:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-13 11:47:53,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:53,555 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:53,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 11:47:53,556 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:53,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash -374783769, now seen corresponding path program 1 times [2022-07-13 11:47:53,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:53,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673963047] [2022-07-13 11:47:53,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:53,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:47:53,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:53,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673963047] [2022-07-13 11:47:53,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673963047] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:47:53,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089748964] [2022-07-13 11:47:53,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:53,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:47:53,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:47:53,648 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) [2022-07-13 11:47:53,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 11:47:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:53,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:47:53,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:47:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-13 11:47:54,073 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:47:54,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089748964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:54,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:47:54,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-13 11:47:54,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366009677] [2022-07-13 11:47:54,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:54,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:54,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:54,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:54,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:47:54,074 INFO L87 Difference]: Start difference. First operand 4937 states and 6354 transitions. Second operand has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:54,595 INFO L93 Difference]: Finished difference Result 9884 states and 12728 transitions. [2022-07-13 11:47:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:54,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 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 227 [2022-07-13 11:47:54,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:54,608 INFO L225 Difference]: With dead ends: 9884 [2022-07-13 11:47:54,608 INFO L226 Difference]: Without dead ends: 4949 [2022-07-13 11:47:54,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:47:54,613 INFO L413 NwaCegarLoop]: 292 mSDtfsCounter, 35 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:54,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 307 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:47:54,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4949 states. [2022-07-13 11:47:54,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4949 to 4937. [2022-07-13 11:47:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4937 states, 4936 states have (on average 1.2702593192868719) internal successors, (6270), 4936 states have internal predecessors, (6270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 4937 states and 6270 transitions. [2022-07-13 11:47:54,671 INFO L78 Accepts]: Start accepts. Automaton has 4937 states and 6270 transitions. Word has length 227 [2022-07-13 11:47:54,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:54,672 INFO L495 AbstractCegarLoop]: Abstraction has 4937 states and 6270 transitions. [2022-07-13 11:47:54,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.66666666666667) internal successors, (197), 3 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4937 states and 6270 transitions. [2022-07-13 11:47:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-13 11:47:54,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:54,681 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:54,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 11:47:54,895 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 [2022-07-13 11:47:54,896 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:54,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:54,896 INFO L85 PathProgramCache]: Analyzing trace with hash 48467143, now seen corresponding path program 1 times [2022-07-13 11:47:54,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:54,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519628698] [2022-07-13 11:47:54,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:54,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 64 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 11:47:54,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:54,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519628698] [2022-07-13 11:47:54,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519628698] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:47:54,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137803239] [2022-07-13 11:47:54,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:54,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:47:54,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:47:54,984 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) [2022-07-13 11:47:54,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 11:47:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:55,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:47:55,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:47:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-13 11:47:55,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:47:55,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137803239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:55,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:47:55,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-13 11:47:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208973664] [2022-07-13 11:47:55,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:55,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:55,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:55,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:47:55,190 INFO L87 Difference]: Start difference. First operand 4937 states and 6270 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:55,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:55,346 INFO L93 Difference]: Finished difference Result 14805 states and 18804 transitions. [2022-07-13 11:47:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:55,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 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 244 [2022-07-13 11:47:55,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:55,371 INFO L225 Difference]: With dead ends: 14805 [2022-07-13 11:47:55,372 INFO L226 Difference]: Without dead ends: 9870 [2022-07-13 11:47:55,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:47:55,378 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 268 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:55,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 507 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 11:47:55,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9870 states. [2022-07-13 11:47:55,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9870 to 9868. [2022-07-13 11:47:55,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9868 states, 9867 states have (on average 1.2669504408634844) internal successors, (12501), 9867 states have internal predecessors, (12501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:55,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9868 states to 9868 states and 12501 transitions. [2022-07-13 11:47:55,507 INFO L78 Accepts]: Start accepts. Automaton has 9868 states and 12501 transitions. Word has length 244 [2022-07-13 11:47:55,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:55,507 INFO L495 AbstractCegarLoop]: Abstraction has 9868 states and 12501 transitions. [2022-07-13 11:47:55,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 9868 states and 12501 transitions. [2022-07-13 11:47:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-13 11:47:55,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:55,522 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:55,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 11:47:55,735 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 [2022-07-13 11:47:55,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:55,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:55,737 INFO L85 PathProgramCache]: Analyzing trace with hash 933297431, now seen corresponding path program 1 times [2022-07-13 11:47:55,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:55,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750546610] [2022-07-13 11:47:55,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-07-13 11:47:55,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:55,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750546610] [2022-07-13 11:47:55,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750546610] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:55,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:55,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:47:55,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525401156] [2022-07-13 11:47:55,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:55,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 11:47:55,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:55,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 11:47:55,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:47:55,823 INFO L87 Difference]: Start difference. First operand 9868 states and 12501 transitions. Second operand has 4 states, 4 states have (on average 55.25) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:56,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:56,665 INFO L93 Difference]: Finished difference Result 32786 states and 41620 transitions. [2022-07-13 11:47:56,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 11:47:56,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 251 [2022-07-13 11:47:56,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:56,714 INFO L225 Difference]: With dead ends: 32786 [2022-07-13 11:47:56,714 INFO L226 Difference]: Without dead ends: 22920 [2022-07-13 11:47:56,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-13 11:47:56,724 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 689 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 689 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:56,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [689 Valid, 108 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-13 11:47:56,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22920 states. [2022-07-13 11:47:56,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22920 to 22872. [2022-07-13 11:47:56,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22872 states, 22871 states have (on average 1.2543832801364172) internal successors, (28689), 22871 states have internal predecessors, (28689), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22872 states to 22872 states and 28689 transitions. [2022-07-13 11:47:57,054 INFO L78 Accepts]: Start accepts. Automaton has 22872 states and 28689 transitions. Word has length 251 [2022-07-13 11:47:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:57,054 INFO L495 AbstractCegarLoop]: Abstraction has 22872 states and 28689 transitions. [2022-07-13 11:47:57,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.25) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 22872 states and 28689 transitions. [2022-07-13 11:47:57,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-13 11:47:57,082 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:57,082 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:57,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-13 11:47:57,083 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:57,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1459283383, now seen corresponding path program 2 times [2022-07-13 11:47:57,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:57,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666760770] [2022-07-13 11:47:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:57,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 67 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-13 11:47:57,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:57,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666760770] [2022-07-13 11:47:57,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666760770] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:47:57,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901084861] [2022-07-13 11:47:57,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-13 11:47:57,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:47:57,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:47:57,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 11:47:57,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 11:47:57,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-13 11:47:57,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-13 11:47:57,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:47:57,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:47:57,499 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-13 11:47:57,499 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:47:57,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901084861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:57,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:47:57,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-13 11:47:57,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113473884] [2022-07-13 11:47:57,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:57,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:57,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:57,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:57,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:47:57,501 INFO L87 Difference]: Start difference. First operand 22872 states and 28689 transitions. Second operand has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:58,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:58,216 INFO L93 Difference]: Finished difference Result 55494 states and 69769 transitions. [2022-07-13 11:47:58,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:58,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 251 [2022-07-13 11:47:58,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:58,273 INFO L225 Difference]: With dead ends: 55494 [2022-07-13 11:47:58,273 INFO L226 Difference]: Without dead ends: 32624 [2022-07-13 11:47:58,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:47:58,294 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 30 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:58,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 342 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:47:58,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32624 states. [2022-07-13 11:47:58,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32624 to 32616. [2022-07-13 11:47:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32616 states, 32615 states have (on average 1.1443200981143646) internal successors, (37322), 32615 states have internal predecessors, (37322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32616 states to 32616 states and 37322 transitions. [2022-07-13 11:47:58,850 INFO L78 Accepts]: Start accepts. Automaton has 32616 states and 37322 transitions. Word has length 251 [2022-07-13 11:47:58,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:47:58,851 INFO L495 AbstractCegarLoop]: Abstraction has 32616 states and 37322 transitions. [2022-07-13 11:47:58,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.33333333333333) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 32616 states and 37322 transitions. [2022-07-13 11:47:58,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-07-13 11:47:58,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:47:58,892 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:47:58,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 11:47:59,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:47:59,108 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:47:59,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:47:59,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1633395909, now seen corresponding path program 1 times [2022-07-13 11:47:59,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:47:59,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455160650] [2022-07-13 11:47:59,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:47:59,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:47:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:47:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-13 11:47:59,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:47:59,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455160650] [2022-07-13 11:47:59,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455160650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:47:59,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:47:59,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 11:47:59,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120956152] [2022-07-13 11:47:59,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:47:59,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:47:59,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:47:59,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:47:59,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:47:59,181 INFO L87 Difference]: Start difference. First operand 32616 states and 37322 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:47:59,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:47:59,865 INFO L93 Difference]: Finished difference Result 72367 states and 83187 transitions. [2022-07-13 11:47:59,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:47:59,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 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 255 [2022-07-13 11:47:59,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:47:59,919 INFO L225 Difference]: With dead ends: 72367 [2022-07-13 11:47:59,919 INFO L226 Difference]: Without dead ends: 40362 [2022-07-13 11:47:59,949 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 [2022-07-13 11:47:59,949 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 203 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:47:59,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 119 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:47:59,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40362 states. [2022-07-13 11:48:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40362 to 40330. [2022-07-13 11:48:00,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40330 states, 40329 states have (on average 1.1430980187954078) internal successors, (46100), 40329 states have internal predecessors, (46100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40330 states to 40330 states and 46100 transitions. [2022-07-13 11:48:00,570 INFO L78 Accepts]: Start accepts. Automaton has 40330 states and 46100 transitions. Word has length 255 [2022-07-13 11:48:00,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:48:00,570 INFO L495 AbstractCegarLoop]: Abstraction has 40330 states and 46100 transitions. [2022-07-13 11:48:00,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 2 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 40330 states and 46100 transitions. [2022-07-13 11:48:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-13 11:48:00,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:48:00,602 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:48:00,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 11:48:00,602 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:48:00,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:48:00,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1517485242, now seen corresponding path program 1 times [2022-07-13 11:48:00,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:48:00,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721157302] [2022-07-13 11:48:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:48:00,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:48:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:48:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 6 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-13 11:48:00,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:48:00,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721157302] [2022-07-13 11:48:00,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721157302] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:48:00,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284918372] [2022-07-13 11:48:00,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:48:00,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:48:00,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:48:00,699 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 11:48:00,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-13 11:48:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:48:00,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:48:00,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:48:00,974 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-07-13 11:48:00,974 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:48:00,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284918372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:48:00,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:48:00,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2022-07-13 11:48:00,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340768954] [2022-07-13 11:48:00,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:48:00,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:48:00,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:48:00,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:48:00,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:48:00,978 INFO L87 Difference]: Start difference. First operand 40330 states and 46100 transitions. Second operand has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:01,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:48:01,729 INFO L93 Difference]: Finished difference Result 92643 states and 107408 transitions. [2022-07-13 11:48:01,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:48:01,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 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 262 [2022-07-13 11:48:01,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:48:01,807 INFO L225 Difference]: With dead ends: 92643 [2022-07-13 11:48:01,807 INFO L226 Difference]: Without dead ends: 52518 [2022-07-13 11:48:01,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:48:01,844 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 202 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:48:01,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 114 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:48:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52518 states. [2022-07-13 11:48:02,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52518 to 52510. [2022-07-13 11:48:02,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52510 states, 52509 states have (on average 1.1241882343979128) internal successors, (59030), 52509 states have internal predecessors, (59030), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52510 states to 52510 states and 59030 transitions. [2022-07-13 11:48:02,737 INFO L78 Accepts]: Start accepts. Automaton has 52510 states and 59030 transitions. Word has length 262 [2022-07-13 11:48:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:48:02,737 INFO L495 AbstractCegarLoop]: Abstraction has 52510 states and 59030 transitions. [2022-07-13 11:48:02,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.66666666666667) internal successors, (212), 2 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:02,738 INFO L276 IsEmpty]: Start isEmpty. Operand 52510 states and 59030 transitions. [2022-07-13 11:48:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-13 11:48:02,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:48:02,770 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:48:02,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-13 11:48:02,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:48:02,991 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:48:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:48:02,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1990797150, now seen corresponding path program 1 times [2022-07-13 11:48:02,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:48:02,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276674920] [2022-07-13 11:48:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:48:02,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:48:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:48:03,057 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-13 11:48:03,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:48:03,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276674920] [2022-07-13 11:48:03,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276674920] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:48:03,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:48:03,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:48:03,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817227977] [2022-07-13 11:48:03,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:48:03,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:48:03,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:48:03,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:48:03,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:48:03,059 INFO L87 Difference]: Start difference. First operand 52510 states and 59030 transitions. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:03,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:48:03,758 INFO L93 Difference]: Finished difference Result 97272 states and 109035 transitions. [2022-07-13 11:48:03,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:48:03,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 275 [2022-07-13 11:48:03,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:48:03,802 INFO L225 Difference]: With dead ends: 97272 [2022-07-13 11:48:03,802 INFO L226 Difference]: Without dead ends: 45371 [2022-07-13 11:48:03,831 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 [2022-07-13 11:48:03,832 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 236 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 11:48:03,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 316 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 11:48:03,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45371 states. [2022-07-13 11:48:04,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45371 to 45369. [2022-07-13 11:48:04,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45369 states, 45368 states have (on average 1.0948686298712749) internal successors, (49672), 45368 states have internal predecessors, (49672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:04,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45369 states to 45369 states and 49672 transitions. [2022-07-13 11:48:04,341 INFO L78 Accepts]: Start accepts. Automaton has 45369 states and 49672 transitions. Word has length 275 [2022-07-13 11:48:04,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:48:04,342 INFO L495 AbstractCegarLoop]: Abstraction has 45369 states and 49672 transitions. [2022-07-13 11:48:04,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:04,342 INFO L276 IsEmpty]: Start isEmpty. Operand 45369 states and 49672 transitions. [2022-07-13 11:48:04,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-13 11:48:04,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:48:04,374 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:48:04,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-13 11:48:04,374 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:48:04,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:48:04,374 INFO L85 PathProgramCache]: Analyzing trace with hash 416423222, now seen corresponding path program 1 times [2022-07-13 11:48:04,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:48:04,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535634707] [2022-07-13 11:48:04,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:48:04,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:48:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:48:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 11:48:04,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:48:04,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535634707] [2022-07-13 11:48:04,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535634707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:48:04,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 11:48:04,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 11:48:04,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194808535] [2022-07-13 11:48:04,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:48:04,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:48:04,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:48:04,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:48:04,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 11:48:04,661 INFO L87 Difference]: Start difference. First operand 45369 states and 49672 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:05,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:48:05,256 INFO L93 Difference]: Finished difference Result 90134 states and 98703 transitions. [2022-07-13 11:48:05,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:48:05,264 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 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 285 [2022-07-13 11:48:05,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:48:05,310 INFO L225 Difference]: With dead ends: 90134 [2022-07-13 11:48:05,311 INFO L226 Difference]: Without dead ends: 45376 [2022-07-13 11:48:05,341 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 [2022-07-13 11:48:05,341 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 75 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 11:48:05,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 277 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 11:48:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45376 states. [2022-07-13 11:48:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45376 to 45369. [2022-07-13 11:48:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45369 states, 45368 states have (on average 1.090901075648034) internal successors, (49492), 45368 states have internal predecessors, (49492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45369 states to 45369 states and 49492 transitions. [2022-07-13 11:48:05,811 INFO L78 Accepts]: Start accepts. Automaton has 45369 states and 49492 transitions. Word has length 285 [2022-07-13 11:48:05,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:48:05,811 INFO L495 AbstractCegarLoop]: Abstraction has 45369 states and 49492 transitions. [2022-07-13 11:48:05,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 45369 states and 49492 transitions. [2022-07-13 11:48:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-13 11:48:05,983 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 11:48:05,983 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:48:05,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-13 11:48:05,984 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 11:48:05,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 11:48:05,984 INFO L85 PathProgramCache]: Analyzing trace with hash 578772149, now seen corresponding path program 1 times [2022-07-13 11:48:05,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 11:48:05,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241299443] [2022-07-13 11:48:05,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:48:05,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 11:48:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:48:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-13 11:48:06,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 11:48:06,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241299443] [2022-07-13 11:48:06,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241299443] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 11:48:06,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104779312] [2022-07-13 11:48:06,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 11:48:06,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 11:48:06,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 11:48:06,122 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 11:48:06,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-13 11:48:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 11:48:06,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-13 11:48:06,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 11:48:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-13 11:48:06,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 11:48:06,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104779312] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 11:48:06,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 11:48:06,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-13 11:48:06,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504396966] [2022-07-13 11:48:06,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 11:48:06,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 11:48:06,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 11:48:06,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 11:48:06,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:48:06,477 INFO L87 Difference]: Start difference. First operand 45369 states and 49492 transitions. Second operand has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 11:48:07,282 INFO L93 Difference]: Finished difference Result 109061 states and 119306 transitions. [2022-07-13 11:48:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 11:48:07,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 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 357 [2022-07-13 11:48:07,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 11:48:07,283 INFO L225 Difference]: With dead ends: 109061 [2022-07-13 11:48:07,283 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 11:48:07,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 11:48:07,311 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 69 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-13 11:48:07,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 88 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-13 11:48:07,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 11:48:07,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 11:48:07,311 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) [2022-07-13 11:48:07,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 11:48:07,312 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 357 [2022-07-13 11:48:07,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 11:48:07,312 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 11:48:07,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 11:48:07,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 11:48:07,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 11:48:07,314 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 11:48:07,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-13 11:48:07,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-13 11:48:07,537 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 11:48:12,241 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-07-13 11:48:12,241 INFO L899 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2022-07-13 11:48:12,242 INFO L899 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,243 INFO L899 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,244 INFO L899 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,245 INFO L899 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,246 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,247 INFO L899 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,248 INFO L899 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1612) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2022-07-13 11:48:12,249 INFO L899 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,250 INFO L899 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2022-07-13 11:48:12,251 INFO L899 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,252 INFO L899 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,253 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,254 INFO L895 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse3 (= ~a6~0 0)) (.cse6 (= 2 ~a3~0)) (.cse7 (= ~a11~0 0)) (.cse8 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse1 (<= ~a3~0 1)) (.cse2 (= ~a11~0 1)) (.cse9 (= ~a26~0 ~a11~0)) (.cse4 (= ~a27~0 1)) (.cse5 (= ~a18~0 1))) (or (and (<= ~a20~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= ~a3~0 0) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= ~a12~0 0) .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse5 .cse8) (and .cse6 .cse0 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse5 .cse8) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 (= ~a12~0 ~a6~0) .cse5))) [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,255 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L902 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,256 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,257 INFO L899 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L895 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse3 (= ~a6~0 0)) (.cse6 (= 2 ~a3~0)) (.cse7 (= ~a11~0 0)) (.cse8 (<= ~a27~0 0)) (.cse0 (= ~a5~0 1)) (.cse1 (<= ~a3~0 1)) (.cse2 (= ~a11~0 1)) (.cse9 (= ~a26~0 ~a11~0)) (.cse4 (= ~a27~0 1)) (.cse5 (= ~a18~0 1))) (or (and (<= ~a20~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (<= ~a3~0 0) .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 (<= ~a12~0 0) .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse9 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse5 .cse8) (and .cse6 .cse0 .cse7 .cse4 .cse5) (and .cse6 .cse0 .cse2 .cse5 .cse8) (and .cse0 .cse1 .cse7 .cse5 .cse8) (and (= ~a15~0 1) .cse0 .cse1 .cse2 .cse9 .cse4 (= ~a12~0 ~a6~0) .cse5))) [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,258 INFO L899 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,259 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,260 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,261 INFO L899 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2022-07-13 11:48:12,262 INFO L899 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,263 INFO L899 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,264 INFO L899 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,265 INFO L899 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2022-07-13 11:48:12,266 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2022-07-13 11:48:12,267 INFO L899 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2022-07-13 11:48:12,267 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,267 INFO L899 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,267 INFO L899 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2022-07-13 11:48:12,270 INFO L356 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 11:48:12,272 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 11:48:12,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 11:48:12 BoogieIcfgContainer [2022-07-13 11:48:12,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 11:48:12,315 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 11:48:12,315 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 11:48:12,315 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 11:48:12,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:47:48" (3/4) ... [2022-07-13 11:48:12,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 11:48:12,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 11:48:12,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 11:48:12,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 11:48:12,343 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 11:48:12,444 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 11:48:12,444 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 11:48:12,444 INFO L158 Benchmark]: Toolchain (without parser) took 26597.66ms. Allocated memory was 100.7MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 66.7MB in the beginning and 4.3GB in the end (delta: -4.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-13 11:48:12,445 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 11:48:12,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.80ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.5MB in the beginning and 80.9MB in the end (delta: -14.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2022-07-13 11:48:12,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.09ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 66.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-13 11:48:12,446 INFO L158 Benchmark]: Boogie Preprocessor took 121.48ms. Allocated memory is still 125.8MB. Free memory was 66.2MB in the beginning and 84.7MB in the end (delta: -18.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-07-13 11:48:12,447 INFO L158 Benchmark]: RCFGBuilder took 1250.71ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 84.7MB in the beginning and 114.4MB in the end (delta: -29.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2022-07-13 11:48:12,447 INFO L158 Benchmark]: TraceAbstraction took 24260.60ms. Allocated memory was 188.7MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 114.4MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-07-13 11:48:12,447 INFO L158 Benchmark]: Witness Printer took 129.41ms. Allocated memory is still 5.5GB. Free memory was 4.4GB in the beginning and 4.3GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-13 11:48:12,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 100.7MB. Free memory was 58.7MB in the beginning and 58.6MB in the end (delta: 47.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.80ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 66.5MB in the beginning and 80.9MB in the end (delta: -14.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.09ms. Allocated memory is still 125.8MB. Free memory was 80.9MB in the beginning and 66.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.48ms. Allocated memory is still 125.8MB. Free memory was 66.2MB in the beginning and 84.7MB in the end (delta: -18.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1250.71ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 84.7MB in the beginning and 114.4MB in the end (delta: -29.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24260.60ms. Allocated memory was 188.7MB in the beginning and 5.5GB in the end (delta: 5.4GB). Free memory was 114.4MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 129.41ms. Allocated memory is still 5.5GB. Free memory was 4.4GB in the beginning and 4.3GB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. 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: 1612]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.2s, OverallIterations: 15, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3143 SdHoareTripleChecker+Valid, 7.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3143 mSDsluCounter, 2833 SdHoareTripleChecker+Invalid, 6.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 521 mSDsCounter, 1368 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8995 IncrementalHoareTripleChecker+Invalid, 10363 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1368 mSolverCounterUnsat, 2312 mSDtfsCounter, 8995 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1376 GetRequests, 1348 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52510occurred in iteration=12, InterpolantAutomatonStates: 48, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.8s AutomataMinimizationTime, 15 MinimizatonAttempts, 155 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 449 NumberOfFragments, 435 HoareAnnotationTreeSize, 3 FomulaSimplifications, 946 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 9870 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 4974 NumberOfCodeBlocks, 4974 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 4954 ConstructedInterpolants, 0 QuantifiedInterpolants, 17491 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2671 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 20 InterpolantComputations, 15 PerfectInterpolantSequences, 1589/1619 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: ((((((((((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1) || ((((a5 == 1 && a3 <= 0) && a11 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 1) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a3 <= 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a26 == a11) && a27 == 1) && a12 == a6) && a18 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: ((((((((((((((((a20 <= 0 && a5 == 1) && a3 <= 1) && a11 == 1) && a6 == 0) && a27 == 1) && a18 == 1) || ((((a5 == 1 && a3 <= 0) && a11 == 1) && a27 == 1) && a18 == 1)) || (((((a5 == 1 && a3 <= 1) && a11 == 1) && a12 <= 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((((a5 == 1 && a3 <= 1) && a11 == 1) && a6 == 0) && a26 == a11) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a27 == 1) && a18 == 1)) || ((((a5 == 1 && a3 <= 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((2 == a3 && a5 == 1) && a11 == 0) && a27 == 1) && a18 == 1)) || ((((2 == a3 && a5 == 1) && a11 == 1) && a18 == 1) && a27 <= 0)) || ((((a5 == 1 && a3 <= 1) && a11 == 0) && a18 == 1) && a27 <= 0)) || (((((((a15 == 1 && a5 == 1) && a3 <= 1) && a11 == 1) && a26 == a11) && a27 == 1) && a12 == a6) && a18 == 1) RESULT: Ultimate proved your program to be correct! [2022-07-13 11:48:12,487 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