./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem11_label46.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 201cd0b9f7312851770c009ac8fff4b46d270c8816b37eb4df1c49891060a8fb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 04:25:49,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 04:25:49,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 04:25:49,755 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 04:25:49,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 04:25:49,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 04:25:49,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 04:25:49,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 04:25:49,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 04:25:49,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 04:25:49,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 04:25:49,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 04:25:49,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 04:25:49,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 04:25:49,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 04:25:49,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 04:25:49,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 04:25:49,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 04:25:49,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 04:25:49,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 04:25:49,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 04:25:49,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 04:25:49,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 04:25:49,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 04:25:49,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 04:25:49,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 04:25:49,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 04:25:49,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 04:25:49,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 04:25:49,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 04:25:49,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 04:25:49,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 04:25:49,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 04:25:49,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 04:25:49,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 04:25:49,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 04:25:49,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 04:25:49,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 04:25:49,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 04:25:49,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 04:25:49,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 04:25:49,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 04:25:49,825 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 04:25:49,825 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 04:25:49,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 04:25:49,826 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 04:25:49,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 04:25:49,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 04:25:49,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 04:25:49,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 04:25:49,827 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 04:25:49,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 04:25:49,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 04:25:49,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 04:25:49,828 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 04:25:49,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 04:25:49,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 04:25:49,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 04:25:49,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 04:25:49,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:25:49,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 04:25:49,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 04:25:49,831 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 04:25:49,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 201cd0b9f7312851770c009ac8fff4b46d270c8816b37eb4df1c49891060a8fb [2021-12-17 04:25:50,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 04:25:50,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 04:25:50,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 04:25:50,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 04:25:50,054 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 04:25:50,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2021-12-17 04:25:50,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4603126/ec2f561ad17a469581f83ab17f46b23b/FLAG16bdaad3b [2021-12-17 04:25:50,583 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 04:25:50,586 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label46.c [2021-12-17 04:25:50,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4603126/ec2f561ad17a469581f83ab17f46b23b/FLAG16bdaad3b [2021-12-17 04:25:51,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f4603126/ec2f561ad17a469581f83ab17f46b23b [2021-12-17 04:25:51,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 04:25:51,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 04:25:51,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 04:25:51,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 04:25:51,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 04:25:51,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@666ad61b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51, skipping insertion in model container [2021-12-17 04:25:51,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 04:25:51,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 04:25:51,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2021-12-17 04:25:51,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:25:51,490 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 04:25:51,519 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label46.c[8949,8962] [2021-12-17 04:25:51,604 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 04:25:51,618 INFO L208 MainTranslator]: Completed translation [2021-12-17 04:25:51,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51 WrapperNode [2021-12-17 04:25:51,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 04:25:51,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 04:25:51,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 04:25:51,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 04:25:51,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,784 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2021-12-17 04:25:51,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 04:25:51,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 04:25:51,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 04:25:51,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 04:25:51,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 04:25:51,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 04:25:51,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 04:25:51,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 04:25:51,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (1/1) ... [2021-12-17 04:25:51,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 04:25:51,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:25:51,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-17 04:25:51,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-17 04:25:51,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 04:25:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 04:25:51,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 04:25:51,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 04:25:51,997 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 04:25:51,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 04:25:52,982 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 04:25:52,995 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 04:25:52,995 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-17 04:25:52,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:25:52 BoogieIcfgContainer [2021-12-17 04:25:52,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 04:25:52,999 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 04:25:52,999 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 04:25:53,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 04:25:53,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 04:25:51" (1/3) ... [2021-12-17 04:25:53,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c22fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:25:53, skipping insertion in model container [2021-12-17 04:25:53,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 04:25:51" (2/3) ... [2021-12-17 04:25:53,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c22fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 04:25:53, skipping insertion in model container [2021-12-17 04:25:53,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:25:52" (3/3) ... [2021-12-17 04:25:53,004 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label46.c [2021-12-17 04:25:53,008 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 04:25:53,008 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 04:25:53,049 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 04:25:53,055 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-17 04:25:53,055 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 04:25:53,075 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-12-17 04:25:53,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:53,089 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:25:53,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:53,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash 531730986, now seen corresponding path program 1 times [2021-12-17 04:25:53,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:53,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085898134] [2021-12-17 04:25:53,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:53,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:53,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:25:53,344 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:53,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085898134] [2021-12-17 04:25:53,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085898134] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:53,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:25:53,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:25:53,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325749536] [2021-12-17 04:25:53,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:53,350 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:25:53,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:53,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:25:53,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:25:53,374 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:54,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:25:54,238 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2021-12-17 04:25:54,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:25:54,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2021-12-17 04:25:54,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:25:54,249 INFO L225 Difference]: With dead ends: 761 [2021-12-17 04:25:54,249 INFO L226 Difference]: Without dead ends: 413 [2021-12-17 04:25:54,252 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:25:54,254 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 166 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-17 04:25:54,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-17 04:25:54,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2021-12-17 04:25:54,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2021-12-17 04:25:54,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2021-12-17 04:25:54,295 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 62 [2021-12-17 04:25:54,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:25:54,296 INFO L470 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2021-12-17 04:25:54,296 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 2 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2021-12-17 04:25:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-12-17 04:25:54,299 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:54,299 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:25:54,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 04:25:54,300 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:54,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:54,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1066754174, now seen corresponding path program 1 times [2021-12-17 04:25:54,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:54,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400693409] [2021-12-17 04:25:54,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:54,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:25:54,388 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:54,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400693409] [2021-12-17 04:25:54,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400693409] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:54,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:25:54,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 04:25:54,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816782174] [2021-12-17 04:25:54,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:54,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:25:54,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:54,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:25:54,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:25:54,390 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:54,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:25:54,983 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2021-12-17 04:25:54,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:25:54,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 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 130 [2021-12-17 04:25:54,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:25:54,993 INFO L225 Difference]: With dead ends: 1211 [2021-12-17 04:25:54,993 INFO L226 Difference]: Without dead ends: 800 [2021-12-17 04:25:54,999 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:25:55,000 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:25:55,001 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:25:55,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2021-12-17 04:25:55,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2021-12-17 04:25:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2021-12-17 04:25:55,030 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 130 [2021-12-17 04:25:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:25:55,031 INFO L470 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2021-12-17 04:25:55,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2021-12-17 04:25:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-12-17 04:25:55,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:55,034 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:25:55,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 04:25:55,035 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:55,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:55,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1046029789, now seen corresponding path program 1 times [2021-12-17 04:25:55,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:55,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242926947] [2021-12-17 04:25:55,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:55,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:25:55,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:55,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242926947] [2021-12-17 04:25:55,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242926947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:55,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:25:55,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:25:55,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035754119] [2021-12-17 04:25:55,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:55,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:25:55,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:55,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:25:55,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:25:55,151 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:56,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:25:56,132 INFO L93 Difference]: Finished difference Result 2505 states and 3425 transitions. [2021-12-17 04:25:56,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:25:56,132 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2021-12-17 04:25:56,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:25:56,137 INFO L225 Difference]: With dead ends: 2505 [2021-12-17 04:25:56,137 INFO L226 Difference]: Without dead ends: 1718 [2021-12-17 04:25:56,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-17 04:25:56,139 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 483 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:25:56,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [483 Valid, 218 Invalid, 1270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:25:56,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-12-17 04:25:56,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1714. [2021-12-17 04:25:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1713 states have (on average 1.2259194395796849) internal successors, (2100), 1713 states have internal predecessors, (2100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2100 transitions. [2021-12-17 04:25:56,165 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2100 transitions. Word has length 132 [2021-12-17 04:25:56,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:25:56,165 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2100 transitions. [2021-12-17 04:25:56,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:56,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2100 transitions. [2021-12-17 04:25:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-12-17 04:25:56,167 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:56,167 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:25:56,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 04:25:56,168 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:56,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:56,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1298901279, now seen corresponding path program 1 times [2021-12-17 04:25:56,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:56,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078933910] [2021-12-17 04:25:56,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:56,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:25:56,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:56,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078933910] [2021-12-17 04:25:56,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078933910] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:56,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:25:56,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:25:56,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383385752] [2021-12-17 04:25:56,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:56,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:25:56,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:25:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:25:56,298 INFO L87 Difference]: Start difference. First operand 1714 states and 2100 transitions. Second operand has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 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) [2021-12-17 04:25:57,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:25:57,243 INFO L93 Difference]: Finished difference Result 5296 states and 6683 transitions. [2021-12-17 04:25:57,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:25:57,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 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 [2021-12-17 04:25:57,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:25:57,253 INFO L225 Difference]: With dead ends: 5296 [2021-12-17 04:25:57,253 INFO L226 Difference]: Without dead ends: 3768 [2021-12-17 04:25:57,255 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:25:57,256 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 333 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 1231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:25:57,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [333 Valid, 86 Invalid, 1231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:25:57,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3768 states. [2021-12-17 04:25:57,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3768 to 3767. [2021-12-17 04:25:57,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3767 states, 3766 states have (on average 1.228624535315985) internal successors, (4627), 3766 states have internal predecessors, (4627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:57,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 3767 states and 4627 transitions. [2021-12-17 04:25:57,308 INFO L78 Accepts]: Start accepts. Automaton has 3767 states and 4627 transitions. Word has length 189 [2021-12-17 04:25:57,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:25:57,309 INFO L470 AbstractCegarLoop]: Abstraction has 3767 states and 4627 transitions. [2021-12-17 04:25:57,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.25) internal successors, (189), 3 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) [2021-12-17 04:25:57,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3767 states and 4627 transitions. [2021-12-17 04:25:57,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-17 04:25:57,312 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:57,312 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:25:57,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-17 04:25:57,313 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:57,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:57,313 INFO L85 PathProgramCache]: Analyzing trace with hash 800976377, now seen corresponding path program 1 times [2021-12-17 04:25:57,313 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:57,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475843108] [2021-12-17 04:25:57,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:57,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:57,396 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-17 04:25:57,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:57,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475843108] [2021-12-17 04:25:57,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475843108] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:57,397 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:25:57,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:25:57,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809071656] [2021-12-17 04:25:57,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:57,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:25:57,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:57,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:25:57,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:25:57,398 INFO L87 Difference]: Start difference. First operand 3767 states and 4627 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:58,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:25:58,027 INFO L93 Difference]: Finished difference Result 7711 states and 9664 transitions. [2021-12-17 04:25:58,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:25:58,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 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 [2021-12-17 04:25:58,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:25:58,039 INFO L225 Difference]: With dead ends: 7711 [2021-12-17 04:25:58,040 INFO L226 Difference]: Without dead ends: 4689 [2021-12-17 04:25:58,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:25:58,044 INFO L933 BasicCegarLoop]: 345 mSDtfsCounter, 147 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 590 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:25:58,044 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 365 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 590 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:25:58,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4689 states. [2021-12-17 04:25:58,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4689 to 4689. [2021-12-17 04:25:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4689 states, 4688 states have (on average 1.2361348122866893) internal successors, (5795), 4688 states have internal predecessors, (5795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 4689 states and 5795 transitions. [2021-12-17 04:25:58,105 INFO L78 Accepts]: Start accepts. Automaton has 4689 states and 5795 transitions. Word has length 244 [2021-12-17 04:25:58,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:25:58,106 INFO L470 AbstractCegarLoop]: Abstraction has 4689 states and 5795 transitions. [2021-12-17 04:25:58,106 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:58,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4689 states and 5795 transitions. [2021-12-17 04:25:58,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-17 04:25:58,109 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:58,110 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:25:58,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-17 04:25:58,110 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:58,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:58,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1479441116, now seen corresponding path program 1 times [2021-12-17 04:25:58,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:58,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174575164] [2021-12-17 04:25:58,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:58,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-12-17 04:25:58,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174575164] [2021-12-17 04:25:58,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174575164] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:58,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:25:58,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:25:58,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131259765] [2021-12-17 04:25:58,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:58,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:25:58,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:58,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:25:58,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:25:58,210 INFO L87 Difference]: Start difference. First operand 4689 states and 5795 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:25:58,861 INFO L93 Difference]: Finished difference Result 11040 states and 13827 transitions. [2021-12-17 04:25:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:25:58,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 [2021-12-17 04:25:58,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:25:58,879 INFO L225 Difference]: With dead ends: 11040 [2021-12-17 04:25:58,880 INFO L226 Difference]: Without dead ends: 6537 [2021-12-17 04:25:58,885 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:25:58,886 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 134 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:25:58,886 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:25:58,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6537 states. [2021-12-17 04:25:58,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6537 to 6344. [2021-12-17 04:25:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6344 states, 6343 states have (on average 1.2148825476903673) internal successors, (7706), 6343 states have internal predecessors, (7706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:58,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 7706 transitions. [2021-12-17 04:25:58,969 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 7706 transitions. Word has length 255 [2021-12-17 04:25:58,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:25:58,970 INFO L470 AbstractCegarLoop]: Abstraction has 6344 states and 7706 transitions. [2021-12-17 04:25:58,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:25:58,970 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 7706 transitions. [2021-12-17 04:25:58,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-12-17 04:25:58,974 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:25:58,974 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 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] [2021-12-17 04:25:58,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-17 04:25:58,975 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:25:58,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:25:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash 804479466, now seen corresponding path program 1 times [2021-12-17 04:25:58,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:25:58,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005573035] [2021-12-17 04:25:58,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:58,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:25:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 119 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:25:59,104 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:25:59,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005573035] [2021-12-17 04:25:59,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005573035] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:25:59,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047789840] [2021-12-17 04:25:59,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:25:59,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:25:59,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:25:59,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:25:59,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-17 04:25:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:25:59,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 04:25:59,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:25:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:25:59,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:25:59,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047789840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:25:59,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:25:59,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-12-17 04:25:59,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601424046] [2021-12-17 04:25:59,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:25:59,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:25:59,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:25:59,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:25:59,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:25:59,603 INFO L87 Difference]: Start difference. First operand 6344 states and 7706 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:00,225 INFO L93 Difference]: Finished difference Result 13623 states and 16852 transitions. [2021-12-17 04:26:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:00,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 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 [2021-12-17 04:26:00,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:00,248 INFO L225 Difference]: With dead ends: 13623 [2021-12-17 04:26:00,248 INFO L226 Difference]: Without dead ends: 7650 [2021-12-17 04:26:00,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-17 04:26:00,255 INFO L933 BasicCegarLoop]: 301 mSDtfsCounter, 124 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:00,256 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 319 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:26:00,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7650 states. [2021-12-17 04:26:00,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7650 to 7633. [2021-12-17 04:26:00,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7633 states, 7632 states have (on average 1.2210429769392033) internal successors, (9319), 7632 states have internal predecessors, (9319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:00,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7633 states to 7633 states and 9319 transitions. [2021-12-17 04:26:00,376 INFO L78 Accepts]: Start accepts. Automaton has 7633 states and 9319 transitions. Word has length 275 [2021-12-17 04:26:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:00,376 INFO L470 AbstractCegarLoop]: Abstraction has 7633 states and 9319 transitions. [2021-12-17 04:26:00,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7633 states and 9319 transitions. [2021-12-17 04:26:00,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-17 04:26:00,381 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:00,382 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:26:00,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-17 04:26:00,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:26:00,596 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:00,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1603746634, now seen corresponding path program 1 times [2021-12-17 04:26:00,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:00,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268634816] [2021-12-17 04:26:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:00,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:00,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-12-17 04:26:00,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:00,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268634816] [2021-12-17 04:26:00,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268634816] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:00,696 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:00,696 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:00,696 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031189146] [2021-12-17 04:26:00,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:00,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:00,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:00,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:00,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:00,698 INFO L87 Difference]: Start difference. First operand 7633 states and 9319 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:01,348 INFO L93 Difference]: Finished difference Result 16744 states and 20756 transitions. [2021-12-17 04:26:01,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:01,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 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 293 [2021-12-17 04:26:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:01,376 INFO L225 Difference]: With dead ends: 16744 [2021-12-17 04:26:01,376 INFO L226 Difference]: Without dead ends: 9482 [2021-12-17 04:26:01,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:01,385 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 137 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:01,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 385 Invalid, 667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:26:01,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9482 states. [2021-12-17 04:26:01,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9482 to 9106. [2021-12-17 04:26:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9106 states, 9105 states have (on average 1.2037342119714443) internal successors, (10960), 9105 states have internal predecessors, (10960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9106 states to 9106 states and 10960 transitions. [2021-12-17 04:26:01,503 INFO L78 Accepts]: Start accepts. Automaton has 9106 states and 10960 transitions. Word has length 293 [2021-12-17 04:26:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:01,503 INFO L470 AbstractCegarLoop]: Abstraction has 9106 states and 10960 transitions. [2021-12-17 04:26:01,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 3 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 9106 states and 10960 transitions. [2021-12-17 04:26:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-12-17 04:26:01,510 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:01,510 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:26:01,510 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-17 04:26:01,511 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:01,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:01,511 INFO L85 PathProgramCache]: Analyzing trace with hash -584277450, now seen corresponding path program 1 times [2021-12-17 04:26:01,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:01,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43640448] [2021-12-17 04:26:01,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:01,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 187 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:26:01,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:01,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43640448] [2021-12-17 04:26:01,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43640448] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:26:01,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010029838] [2021-12-17 04:26:01,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:01,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:26:01,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:26:01,750 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:26:01,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-17 04:26:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:01,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-17 04:26:01,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:26:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:26:02,236 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 04:26:02,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010029838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:02,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-17 04:26:02,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2021-12-17 04:26:02,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279350992] [2021-12-17 04:26:02,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:02,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:02,238 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:02,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:02,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:26:02,239 INFO L87 Difference]: Start difference. First operand 9106 states and 10960 transitions. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:02,779 INFO L93 Difference]: Finished difference Result 17855 states and 21565 transitions. [2021-12-17 04:26:02,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:02,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 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 313 [2021-12-17 04:26:02,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:02,793 INFO L225 Difference]: With dead ends: 17855 [2021-12-17 04:26:02,793 INFO L226 Difference]: Without dead ends: 9120 [2021-12-17 04:26:02,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:26:02,801 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 64 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:02,801 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 344 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:02,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9120 states. [2021-12-17 04:26:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9120 to 9106. [2021-12-17 04:26:02,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9106 states, 9105 states have (on average 1.185941790225151) internal successors, (10798), 9105 states have internal predecessors, (10798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:02,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9106 states to 9106 states and 10798 transitions. [2021-12-17 04:26:02,886 INFO L78 Accepts]: Start accepts. Automaton has 9106 states and 10798 transitions. Word has length 313 [2021-12-17 04:26:02,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:02,887 INFO L470 AbstractCegarLoop]: Abstraction has 9106 states and 10798 transitions. [2021-12-17 04:26:02,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:02,887 INFO L276 IsEmpty]: Start isEmpty. Operand 9106 states and 10798 transitions. [2021-12-17 04:26:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-12-17 04:26:02,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:02,894 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:02,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-17 04:26:03,115 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-12-17 04:26:03,116 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:03,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:03,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1083422029, now seen corresponding path program 1 times [2021-12-17 04:26:03,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:03,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787807623] [2021-12-17 04:26:03,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:03,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 333 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-12-17 04:26:03,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787807623] [2021-12-17 04:26:03,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787807623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:03,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:03,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:03,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413104785] [2021-12-17 04:26:03,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:03,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:03,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:03,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:03,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:03,204 INFO L87 Difference]: Start difference. First operand 9106 states and 10798 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:03,796 INFO L93 Difference]: Finished difference Result 19676 states and 23456 transitions. [2021-12-17 04:26:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:03,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 329 [2021-12-17 04:26:03,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:03,811 INFO L225 Difference]: With dead ends: 19676 [2021-12-17 04:26:03,811 INFO L226 Difference]: Without dead ends: 10572 [2021-12-17 04:26:03,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:03,820 INFO L933 BasicCegarLoop]: 128 mSDtfsCounter, 155 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 159 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:03,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 152 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [159 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:03,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10572 states. [2021-12-17 04:26:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10572 to 8910. [2021-12-17 04:26:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8910 states, 8909 states have (on average 1.1409810304186778) internal successors, (10165), 8909 states have internal predecessors, (10165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:03,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8910 states to 8910 states and 10165 transitions. [2021-12-17 04:26:03,910 INFO L78 Accepts]: Start accepts. Automaton has 8910 states and 10165 transitions. Word has length 329 [2021-12-17 04:26:03,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:03,911 INFO L470 AbstractCegarLoop]: Abstraction has 8910 states and 10165 transitions. [2021-12-17 04:26:03,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 3 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:03,911 INFO L276 IsEmpty]: Start isEmpty. Operand 8910 states and 10165 transitions. [2021-12-17 04:26:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-12-17 04:26:03,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:03,917 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:26:03,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-17 04:26:03,917 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:03,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:03,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1150896741, now seen corresponding path program 1 times [2021-12-17 04:26:03,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:03,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354800999] [2021-12-17 04:26:03,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:03,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:04,037 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:26:04,038 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:04,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354800999] [2021-12-17 04:26:04,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354800999] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:04,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:04,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:04,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136514412] [2021-12-17 04:26:04,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:04,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:26:04,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:04,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:26:04,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-17 04:26:04,040 INFO L87 Difference]: Start difference. First operand 8910 states and 10165 transitions. Second operand has 4 states, 4 states have (on average 86.0) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:04,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:04,987 INFO L93 Difference]: Finished difference Result 22427 states and 25708 transitions. [2021-12-17 04:26:04,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:26:04,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 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 344 [2021-12-17 04:26:04,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:05,009 INFO L225 Difference]: With dead ends: 22427 [2021-12-17 04:26:05,009 INFO L226 Difference]: Without dead ends: 13518 [2021-12-17 04:26:05,018 INFO L932 BasicCegarLoop]: 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 [2021-12-17 04:26:05,019 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 142 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:05,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 124 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-17 04:26:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13518 states. [2021-12-17 04:26:05,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13518 to 13513. [2021-12-17 04:26:05,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13513 states, 13512 states have (on average 1.140393724097099) internal successors, (15409), 13512 states have internal predecessors, (15409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13513 states to 13513 states and 15409 transitions. [2021-12-17 04:26:05,199 INFO L78 Accepts]: Start accepts. Automaton has 13513 states and 15409 transitions. Word has length 344 [2021-12-17 04:26:05,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:05,201 INFO L470 AbstractCegarLoop]: Abstraction has 13513 states and 15409 transitions. [2021-12-17 04:26:05,201 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.0) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:05,201 INFO L276 IsEmpty]: Start isEmpty. Operand 13513 states and 15409 transitions. [2021-12-17 04:26:05,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-12-17 04:26:05,211 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:05,212 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:26:05,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-17 04:26:05,213 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:05,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:05,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1927151928, now seen corresponding path program 1 times [2021-12-17 04:26:05,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:05,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400820738] [2021-12-17 04:26:05,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:05,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-12-17 04:26:05,320 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:05,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400820738] [2021-12-17 04:26:05,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400820738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:05,320 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:05,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:05,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710659107] [2021-12-17 04:26:05,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:05,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:05,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:05,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:05,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:05,322 INFO L87 Difference]: Start difference. First operand 13513 states and 15409 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 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) [2021-12-17 04:26:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:05,911 INFO L93 Difference]: Finished difference Result 26658 states and 30442 transitions. [2021-12-17 04:26:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:05,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 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 350 [2021-12-17 04:26:05,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:05,930 INFO L225 Difference]: With dead ends: 26658 [2021-12-17 04:26:05,931 INFO L226 Difference]: Without dead ends: 14807 [2021-12-17 04:26:05,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:05,942 INFO L933 BasicCegarLoop]: 121 mSDtfsCounter, 160 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:05,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 146 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:05,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14807 states. [2021-12-17 04:26:06,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14807 to 13513. [2021-12-17 04:26:06,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13513 states, 13512 states have (on average 1.140393724097099) internal successors, (15409), 13512 states have internal predecessors, (15409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:06,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13513 states to 13513 states and 15409 transitions. [2021-12-17 04:26:06,088 INFO L78 Accepts]: Start accepts. Automaton has 13513 states and 15409 transitions. Word has length 350 [2021-12-17 04:26:06,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:06,089 INFO L470 AbstractCegarLoop]: Abstraction has 13513 states and 15409 transitions. [2021-12-17 04:26:06,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 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) [2021-12-17 04:26:06,089 INFO L276 IsEmpty]: Start isEmpty. Operand 13513 states and 15409 transitions. [2021-12-17 04:26:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-12-17 04:26:06,098 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:06,099 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:06,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-17 04:26:06,099 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:06,100 INFO L85 PathProgramCache]: Analyzing trace with hash 767630096, now seen corresponding path program 1 times [2021-12-17 04:26:06,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:06,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035525020] [2021-12-17 04:26:06,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:06,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2021-12-17 04:26:06,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:06,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035525020] [2021-12-17 04:26:06,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035525020] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:06,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:06,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:06,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072583579] [2021-12-17 04:26:06,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:06,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:06,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:06,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:06,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:06,232 INFO L87 Difference]: Start difference. First operand 13513 states and 15409 transitions. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:06,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:06,880 INFO L93 Difference]: Finished difference Result 27584 states and 31564 transitions. [2021-12-17 04:26:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:06,881 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 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 373 [2021-12-17 04:26:06,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:06,903 INFO L225 Difference]: With dead ends: 27584 [2021-12-17 04:26:06,904 INFO L226 Difference]: Without dead ends: 15733 [2021-12-17 04:26:06,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:06,913 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 118 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:06,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 360 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:26:06,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15733 states. [2021-12-17 04:26:07,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15733 to 14992. [2021-12-17 04:26:07,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14992 states, 14991 states have (on average 1.1371489560402908) internal successors, (17047), 14991 states have internal predecessors, (17047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:07,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14992 states to 14992 states and 17047 transitions. [2021-12-17 04:26:07,144 INFO L78 Accepts]: Start accepts. Automaton has 14992 states and 17047 transitions. Word has length 373 [2021-12-17 04:26:07,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:07,145 INFO L470 AbstractCegarLoop]: Abstraction has 14992 states and 17047 transitions. [2021-12-17 04:26:07,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:07,145 INFO L276 IsEmpty]: Start isEmpty. Operand 14992 states and 17047 transitions. [2021-12-17 04:26:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-17 04:26:07,155 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:07,156 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:07,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-17 04:26:07,156 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:07,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:07,157 INFO L85 PathProgramCache]: Analyzing trace with hash -467513356, now seen corresponding path program 1 times [2021-12-17 04:26:07,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:07,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242359341] [2021-12-17 04:26:07,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:07,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:07,250 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-12-17 04:26:07,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:07,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242359341] [2021-12-17 04:26:07,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242359341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:07,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:07,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:07,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475310449] [2021-12-17 04:26:07,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:07,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:07,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:07,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:07,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:07,252 INFO L87 Difference]: Start difference. First operand 14992 states and 17047 transitions. Second operand has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:07,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:07,895 INFO L93 Difference]: Finished difference Result 31458 states and 35960 transitions. [2021-12-17 04:26:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:07,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 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 382 [2021-12-17 04:26:07,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:07,921 INFO L225 Difference]: With dead ends: 31458 [2021-12-17 04:26:07,921 INFO L226 Difference]: Without dead ends: 16835 [2021-12-17 04:26:07,932 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:07,933 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 132 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:07,933 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 369 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16835 states. [2021-12-17 04:26:08,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16835 to 14254. [2021-12-17 04:26:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14254 states, 14253 states have (on average 1.1382165158212305) internal successors, (16223), 14253 states have internal predecessors, (16223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:08,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14254 states to 14254 states and 16223 transitions. [2021-12-17 04:26:08,146 INFO L78 Accepts]: Start accepts. Automaton has 14254 states and 16223 transitions. Word has length 382 [2021-12-17 04:26:08,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:08,146 INFO L470 AbstractCegarLoop]: Abstraction has 14254 states and 16223 transitions. [2021-12-17 04:26:08,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.0) internal successors, (183), 3 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:08,147 INFO L276 IsEmpty]: Start isEmpty. Operand 14254 states and 16223 transitions. [2021-12-17 04:26:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2021-12-17 04:26:08,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:08,156 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-17 04:26:08,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-17 04:26:08,156 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:08,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:08,157 INFO L85 PathProgramCache]: Analyzing trace with hash 361434429, now seen corresponding path program 1 times [2021-12-17 04:26:08,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:08,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132585120] [2021-12-17 04:26:08,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:08,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:08,373 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 124 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:26:08,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:08,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132585120] [2021-12-17 04:26:08,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132585120] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:26:08,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [57434920] [2021-12-17 04:26:08,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:08,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:26:08,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:26:08,375 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:26:08,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-17 04:26:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:08,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-17 04:26:08,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:26:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 124 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 04:26:11,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:26:11,853 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2021-12-17 04:26:11,854 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [57434920] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:26:11,854 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:26:11,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 9 [2021-12-17 04:26:11,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722930205] [2021-12-17 04:26:11,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:11,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:11,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:11,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:11,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:26:11,855 INFO L87 Difference]: Start difference. First operand 14254 states and 16223 transitions. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:12,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:12,476 INFO L93 Difference]: Finished difference Result 31267 states and 35782 transitions. [2021-12-17 04:26:12,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:12,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 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 382 [2021-12-17 04:26:12,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:12,493 INFO L225 Difference]: With dead ends: 31267 [2021-12-17 04:26:12,493 INFO L226 Difference]: Without dead ends: 17383 [2021-12-17 04:26:12,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 767 GetRequests, 758 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-12-17 04:26:12,503 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 145 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 501 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:12,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 339 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 501 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:12,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17383 states. [2021-12-17 04:26:12,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17383 to 16830. [2021-12-17 04:26:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16830 states, 16829 states have (on average 1.128706399667241) internal successors, (18995), 16829 states have internal predecessors, (18995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:12,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16830 states to 16830 states and 18995 transitions. [2021-12-17 04:26:12,664 INFO L78 Accepts]: Start accepts. Automaton has 16830 states and 18995 transitions. Word has length 382 [2021-12-17 04:26:12,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:12,664 INFO L470 AbstractCegarLoop]: Abstraction has 16830 states and 18995 transitions. [2021-12-17 04:26:12,664 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 16830 states and 18995 transitions. [2021-12-17 04:26:12,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2021-12-17 04:26:12,685 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:12,685 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:26:12,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-17 04:26:12,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:26:12,902 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:12,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:12,903 INFO L85 PathProgramCache]: Analyzing trace with hash -236333549, now seen corresponding path program 1 times [2021-12-17 04:26:12,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:12,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751660004] [2021-12-17 04:26:12,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:12,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 586 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2021-12-17 04:26:13,055 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:13,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751660004] [2021-12-17 04:26:13,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751660004] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:13,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:13,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:13,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323029254] [2021-12-17 04:26:13,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:13,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:13,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:13,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:13,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:13,057 INFO L87 Difference]: Start difference. First operand 16830 states and 18995 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:13,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:13,684 INFO L93 Difference]: Finished difference Result 37363 states and 42379 transitions. [2021-12-17 04:26:13,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:13,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 522 [2021-12-17 04:26:13,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:13,713 INFO L225 Difference]: With dead ends: 37363 [2021-12-17 04:26:13,713 INFO L226 Difference]: Without dead ends: 20903 [2021-12-17 04:26:13,725 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:13,725 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 141 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:13,726 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 130 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:13,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20903 states. [2021-12-17 04:26:13,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20903 to 20531. [2021-12-17 04:26:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20531 states, 20530 states have (on average 1.1269849001461276) internal successors, (23137), 20530 states have internal predecessors, (23137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:13,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20531 states to 20531 states and 23137 transitions. [2021-12-17 04:26:13,939 INFO L78 Accepts]: Start accepts. Automaton has 20531 states and 23137 transitions. Word has length 522 [2021-12-17 04:26:13,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:13,939 INFO L470 AbstractCegarLoop]: Abstraction has 20531 states and 23137 transitions. [2021-12-17 04:26:13,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 20531 states and 23137 transitions. [2021-12-17 04:26:13,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-12-17 04:26:13,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:13,961 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-17 04:26:13,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-17 04:26:13,961 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:13,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:13,962 INFO L85 PathProgramCache]: Analyzing trace with hash 941049859, now seen corresponding path program 1 times [2021-12-17 04:26:13,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:13,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467592467] [2021-12-17 04:26:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:13,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 825 backedges. 619 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-12-17 04:26:14,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:14,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467592467] [2021-12-17 04:26:14,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467592467] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:14,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:14,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:14,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408050363] [2021-12-17 04:26:14,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:14,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:14,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:14,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:14,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:14,122 INFO L87 Difference]: Start difference. First operand 20531 states and 23137 transitions. Second operand has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:14,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:14,791 INFO L93 Difference]: Finished difference Result 43077 states and 48495 transitions. [2021-12-17 04:26:14,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:14,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 526 [2021-12-17 04:26:14,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:14,817 INFO L225 Difference]: With dead ends: 43077 [2021-12-17 04:26:14,817 INFO L226 Difference]: Without dead ends: 24392 [2021-12-17 04:26:14,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:14,830 INFO L933 BasicCegarLoop]: 55 mSDtfsCounter, 131 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:14,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 62 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:26:14,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24392 states. [2021-12-17 04:26:15,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24392 to 23087. [2021-12-17 04:26:15,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23087 states, 23086 states have (on average 1.1161743047734558) internal successors, (25768), 23086 states have internal predecessors, (25768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:15,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23087 states to 23087 states and 25768 transitions. [2021-12-17 04:26:15,052 INFO L78 Accepts]: Start accepts. Automaton has 23087 states and 25768 transitions. Word has length 526 [2021-12-17 04:26:15,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:15,052 INFO L470 AbstractCegarLoop]: Abstraction has 23087 states and 25768 transitions. [2021-12-17 04:26:15,052 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 127.33333333333333) internal successors, (382), 3 states have internal predecessors, (382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:15,052 INFO L276 IsEmpty]: Start isEmpty. Operand 23087 states and 25768 transitions. [2021-12-17 04:26:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2021-12-17 04:26:15,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:15,071 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:15,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-17 04:26:15,071 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:15,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash -540773030, now seen corresponding path program 1 times [2021-12-17 04:26:15,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:15,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466729013] [2021-12-17 04:26:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:15,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 320 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-17 04:26:15,302 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:15,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466729013] [2021-12-17 04:26:15,302 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466729013] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-17 04:26:15,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580214088] [2021-12-17 04:26:15,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:15,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-17 04:26:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 04:26:15,304 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-17 04:26:15,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-17 04:26:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:15,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-17 04:26:15,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 04:26:17,852 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 140 proven. 586 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2021-12-17 04:26:17,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-17 04:26:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 645 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2021-12-17 04:26:20,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580214088] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-17 04:26:20,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-17 04:26:20,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5] total 11 [2021-12-17 04:26:20,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106262223] [2021-12-17 04:26:20,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:20,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-17 04:26:20,027 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:20,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-17 04:26:20,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-12-17 04:26:20,027 INFO L87 Difference]: Start difference. First operand 23087 states and 25768 transitions. Second operand has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 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) [2021-12-17 04:26:21,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:21,308 INFO L93 Difference]: Finished difference Result 47642 states and 53195 transitions. [2021-12-17 04:26:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-17 04:26:21,309 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 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 532 [2021-12-17 04:26:21,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:21,337 INFO L225 Difference]: With dead ends: 47642 [2021-12-17 04:26:21,337 INFO L226 Difference]: Without dead ends: 24925 [2021-12-17 04:26:21,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1067 GetRequests, 1058 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2021-12-17 04:26:21,350 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 273 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:21,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [273 Valid, 60 Invalid, 1254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-17 04:26:21,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24925 states. [2021-12-17 04:26:21,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24925 to 19035. [2021-12-17 04:26:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19035 states, 19034 states have (on average 1.1168435431333403) internal successors, (21258), 19034 states have internal predecessors, (21258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:21,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19035 states to 19035 states and 21258 transitions. [2021-12-17 04:26:21,559 INFO L78 Accepts]: Start accepts. Automaton has 19035 states and 21258 transitions. Word has length 532 [2021-12-17 04:26:21,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:21,560 INFO L470 AbstractCegarLoop]: Abstraction has 19035 states and 21258 transitions. [2021-12-17 04:26:21,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 80.5) internal successors, (322), 4 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) [2021-12-17 04:26:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 19035 states and 21258 transitions. [2021-12-17 04:26:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2021-12-17 04:26:21,578 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:21,578 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:21,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-17 04:26:21,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-17 04:26:21,785 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:21,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:21,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1263406380, now seen corresponding path program 1 times [2021-12-17 04:26:21,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:21,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057570475] [2021-12-17 04:26:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:21,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1313 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 671 trivial. 0 not checked. [2021-12-17 04:26:21,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:21,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057570475] [2021-12-17 04:26:21,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057570475] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:21,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:21,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:21,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680395028] [2021-12-17 04:26:21,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:21,965 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:21,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:21,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:21,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:21,966 INFO L87 Difference]: Start difference. First operand 19035 states and 21258 transitions. Second operand has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:22,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:22,640 INFO L93 Difference]: Finished difference Result 40461 states and 45180 transitions. [2021-12-17 04:26:22,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:22,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 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 649 [2021-12-17 04:26:22,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:22,663 INFO L225 Difference]: With dead ends: 40461 [2021-12-17 04:26:22,663 INFO L226 Difference]: Without dead ends: 21796 [2021-12-17 04:26:22,675 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:22,679 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 147 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:22,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [147 Valid, 126 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-17 04:26:22,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21796 states. [2021-12-17 04:26:22,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21796 to 19403. [2021-12-17 04:26:22,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19403 states, 19402 states have (on average 1.1130811256571487) internal successors, (21596), 19402 states have internal predecessors, (21596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:22,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19403 states to 19403 states and 21596 transitions. [2021-12-17 04:26:22,879 INFO L78 Accepts]: Start accepts. Automaton has 19403 states and 21596 transitions. Word has length 649 [2021-12-17 04:26:22,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:22,879 INFO L470 AbstractCegarLoop]: Abstraction has 19403 states and 21596 transitions. [2021-12-17 04:26:22,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.0) internal successors, (303), 3 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 19403 states and 21596 transitions. [2021-12-17 04:26:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-12-17 04:26:22,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:22,898 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:22,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-17 04:26:22,899 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:22,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:22,899 INFO L85 PathProgramCache]: Analyzing trace with hash -437725028, now seen corresponding path program 1 times [2021-12-17 04:26:22,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:22,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913397635] [2021-12-17 04:26:22,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:22,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 690 trivial. 0 not checked. [2021-12-17 04:26:23,085 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:23,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913397635] [2021-12-17 04:26:23,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913397635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:23,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:23,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:23,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559481836] [2021-12-17 04:26:23,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:23,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:23,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:23,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:23,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:23,087 INFO L87 Difference]: Start difference. First operand 19403 states and 21596 transitions. Second operand has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:23,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:23,714 INFO L93 Difference]: Finished difference Result 40091 states and 44603 transitions. [2021-12-17 04:26:23,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:23,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 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 682 [2021-12-17 04:26:23,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:23,745 INFO L225 Difference]: With dead ends: 40091 [2021-12-17 04:26:23,745 INFO L226 Difference]: Without dead ends: 21058 [2021-12-17 04:26:23,758 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:23,759 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 116 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:23,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 143 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:23,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21058 states. [2021-12-17 04:26:23,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21058 to 19393. [2021-12-17 04:26:23,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19393 states, 19392 states have (on average 1.1065903465346534) internal successors, (21459), 19392 states have internal predecessors, (21459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:24,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19393 states to 19393 states and 21459 transitions. [2021-12-17 04:26:24,002 INFO L78 Accepts]: Start accepts. Automaton has 19393 states and 21459 transitions. Word has length 682 [2021-12-17 04:26:24,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:24,003 INFO L470 AbstractCegarLoop]: Abstraction has 19393 states and 21459 transitions. [2021-12-17 04:26:24,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 19393 states and 21459 transitions. [2021-12-17 04:26:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 732 [2021-12-17 04:26:24,021 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 04:26:24,021 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:24,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-17 04:26:24,021 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 04:26:24,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 04:26:24,021 INFO L85 PathProgramCache]: Analyzing trace with hash 519647050, now seen corresponding path program 1 times [2021-12-17 04:26:24,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 04:26:24,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311095671] [2021-12-17 04:26:24,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 04:26:24,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 04:26:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 04:26:24,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2021-12-17 04:26:24,197 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 04:26:24,197 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311095671] [2021-12-17 04:26:24,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311095671] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 04:26:24,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 04:26:24,198 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 04:26:24,198 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447226804] [2021-12-17 04:26:24,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 04:26:24,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 04:26:24,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 04:26:24,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 04:26:24,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:24,200 INFO L87 Difference]: Start difference. First operand 19393 states and 21459 transitions. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:24,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 04:26:24,826 INFO L93 Difference]: Finished difference Result 37676 states and 41558 transitions. [2021-12-17 04:26:24,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 04:26:24,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 731 [2021-12-17 04:26:24,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 04:26:24,827 INFO L225 Difference]: With dead ends: 37676 [2021-12-17 04:26:24,827 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 04:26:24,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 04:26:24,840 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 45 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-17 04:26:24,841 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 344 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-17 04:26:24,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 04:26:24,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 04:26:24,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 04:26:24,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 731 [2021-12-17 04:26:24,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 04:26:24,842 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 04:26:24,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-17 04:26:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 04:26:24,842 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 04:26:24,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 04:26:24,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-17 04:26:24,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 04:26:33,625 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2021-12-17 04:26:33,626 INFO L858 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,627 INFO L858 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2021-12-17 04:26:33,628 INFO L858 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2021-12-17 04:26:33,630 INFO L858 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,631 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,631 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,631 INFO L854 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse16 (+ (div (* ~a29~0 9) 10) 1))) (let ((.cse15 (* 5 (div .cse16 5)))) (let ((.cse4 (<= 130 ~a29~0)) (.cse9 (<= 278 ~a29~0)) (.cse14 (<= ~a29~0 140)) (.cse13 (< 0 (+ ~a23~0 43))) (.cse0 (<= ~a29~0 274)) (.cse12 (= ~a25~0 13)) (.cse7 (= ~a25~0 12)) (.cse6 (or (< 0 (+ .cse15 549033)) (not (= 0 (mod .cse16 5))))) (.cse2 (<= ~a23~0 138)) (.cse10 (<= ~a25~0 10)) (.cse8 (< 0 (+ .cse15 549038))) (.cse11 (<= (+ ~a29~0 554036) 0)) (.cse1 (= ~a25~0 11)) (.cse3 (<= 246 ~a29~0)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~a29~0 220) (<= 309 ~a23~0) .cse4 .cse1 .cse5) (and .cse6 .cse7 .cse2 .cse8) (and .cse1 .cse2 .cse9) (and .cse9 .cse5) (and .cse7 .cse4) (and .cse6 .cse10 .cse8 (<= ~a29~0 130) (not (= ~a25~0 9))) (and .cse6 .cse7 .cse8 .cse11) (and .cse2 .cse10 .cse9) (and .cse2 .cse5) (and .cse6 .cse12 .cse2 .cse13 .cse8) (and .cse6 .cse14 .cse1 .cse2 .cse8) (and .cse10 .cse5) (and .cse12 .cse5) (and .cse6 .cse14 .cse2 .cse13 .cse10 .cse8) (and .cse0 .cse12 .cse2 .cse3) (and .cse6 (<= ~a23~0 312) .cse7 .cse8 .cse5) (and .cse6 .cse7 (= ~a3~0 1) .cse8 .cse5 (= ~a8~0 15)) (and .cse6 .cse2 .cse10 .cse8 .cse11) (and .cse1 .cse3 .cse5))))) [2021-12-17 04:26:33,631 INFO L858 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,631 INFO L858 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:26:33,631 INFO L858 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2021-12-17 04:26:33,631 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2021-12-17 04:26:33,632 INFO L861 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2021-12-17 04:26:33,632 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2021-12-17 04:26:33,633 INFO L858 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,634 INFO L858 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L854 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse16 (+ (div (* ~a29~0 9) 10) 1))) (let ((.cse15 (* 5 (div .cse16 5)))) (let ((.cse4 (<= 130 ~a29~0)) (.cse9 (<= 278 ~a29~0)) (.cse14 (<= ~a29~0 140)) (.cse13 (< 0 (+ ~a23~0 43))) (.cse0 (<= ~a29~0 274)) (.cse12 (= ~a25~0 13)) (.cse7 (= ~a25~0 12)) (.cse6 (or (< 0 (+ .cse15 549033)) (not (= 0 (mod .cse16 5))))) (.cse2 (<= ~a23~0 138)) (.cse10 (<= ~a25~0 10)) (.cse8 (< 0 (+ .cse15 549038))) (.cse11 (<= (+ ~a29~0 554036) 0)) (.cse1 (= ~a25~0 11)) (.cse3 (<= 246 ~a29~0)) (.cse5 (= ~a4~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and (<= ~a29~0 220) (<= 309 ~a23~0) .cse4 .cse1 .cse5) (and .cse6 .cse7 .cse2 .cse8) (and .cse1 .cse2 .cse9) (and .cse9 .cse5) (and .cse7 .cse4) (and .cse6 .cse10 .cse8 (<= ~a29~0 130) (not (= ~a25~0 9))) (and .cse6 .cse7 .cse8 .cse11) (and .cse2 .cse10 .cse9) (and .cse2 .cse5) (and .cse6 .cse12 .cse2 .cse13 .cse8) (and .cse6 .cse14 .cse1 .cse2 .cse8) (and .cse10 .cse5) (and .cse12 .cse5) (and .cse6 .cse14 .cse2 .cse13 .cse10 .cse8) (and .cse0 .cse12 .cse2 .cse3) (and .cse6 (<= ~a23~0 312) .cse7 .cse8 .cse5) (and .cse6 .cse7 (= ~a3~0 1) .cse8 .cse5 (= ~a8~0 15)) (and .cse6 .cse2 .cse10 .cse8 .cse11) (and .cse1 .cse3 .cse5))))) [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,635 INFO L858 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:26:33,636 INFO L858 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,637 INFO L858 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,638 INFO L858 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,639 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,640 INFO L858 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 04:26:33,641 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 202) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,642 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,643 INFO L858 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,644 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,645 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,646 INFO L858 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,647 INFO L858 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,648 INFO L858 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,649 INFO L858 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2021-12-17 04:26:33,650 INFO L858 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2021-12-17 04:26:33,651 INFO L858 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2021-12-17 04:26:33,652 INFO L858 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2021-12-17 04:26:33,653 INFO L858 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2021-12-17 04:26:33,656 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 04:26:33,657 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 04:26:33,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 04:26:33 BoogieIcfgContainer [2021-12-17 04:26:33,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 04:26:33,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 04:26:33,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 04:26:33,674 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 04:26:33,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 04:25:52" (3/4) ... [2021-12-17 04:26:33,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 04:26:33,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-17 04:26:33,715 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 04:26:33,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 04:26:33,716 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 04:26:33,817 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 04:26:33,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 04:26:33,820 INFO L158 Benchmark]: Toolchain (without parser) took 42731.22ms. Allocated memory was 104.9MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 64.6MB in the beginning and 313.3MB in the end (delta: -248.6MB). Peak memory consumption was 849.0MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,820 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 04:26:33,820 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.82ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 48.0MB in the end (delta: 16.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.06ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 48.0MB in the beginning and 94.5MB in the end (delta: -46.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,821 INFO L158 Benchmark]: Boogie Preprocessor took 94.17ms. Allocated memory is still 136.3MB. Free memory was 94.5MB in the beginning and 85.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,821 INFO L158 Benchmark]: RCFGBuilder took 1116.78ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 61.7MB in the end (delta: 23.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,821 INFO L158 Benchmark]: TraceAbstraction took 40674.41ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 60.9MB in the beginning and 338.2MB in the end (delta: -277.2MB). Peak memory consumption was 924.6MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,822 INFO L158 Benchmark]: Witness Printer took 143.51ms. Allocated memory is still 1.2GB. Free memory was 338.2MB in the beginning and 313.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-17 04:26:33,828 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 104.9MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.82ms. Allocated memory is still 104.9MB. Free memory was 64.5MB in the beginning and 48.0MB in the end (delta: 16.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.06ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 48.0MB in the beginning and 94.5MB in the end (delta: -46.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.17ms. Allocated memory is still 136.3MB. Free memory was 94.5MB in the beginning and 85.5MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1116.78ms. Allocated memory is still 136.3MB. Free memory was 84.9MB in the beginning and 61.7MB in the end (delta: 23.1MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40674.41ms. Allocated memory was 136.3MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 60.9MB in the beginning and 338.2MB in the end (delta: -277.2MB). Peak memory consumption was 924.6MB. Max. memory is 16.1GB. * Witness Printer took 143.51ms. Allocated memory is still 1.2GB. Free memory was 338.2MB in the beginning and 313.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. 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: 202]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.6s, OverallIterations: 21, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 15.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3435 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3435 mSDsluCounter, 4805 SdHoareTripleChecker+Invalid, 10.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 523 mSDsCounter, 2547 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13544 IncrementalHoareTripleChecker+Invalid, 16091 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2547 mSolverCounterUnsat, 4282 mSDtfsCounter, 13544 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2481 GetRequests, 2431 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23087occurred in iteration=17, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 21 MinimizatonAttempts, 19077 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 215 NumberOfFragments, 1189 HoareAnnotationTreeSize, 3 FomulaSimplifications, 24872 FormulaSimplificationTreeSizeReduction, 5.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 72608 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 9197 NumberOfCodeBlocks, 9197 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 10084 ConstructedInterpolants, 120 QuantifiedInterpolants, 48698 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2046 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 27 InterpolantComputations, 21 PerfectInterpolantSequences, 11490/12876 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a29 <= 274 && a25 == 11) && a23 <= 138) && 246 <= a29) || ((((a29 <= 220 && 309 <= a23) && 130 <= a29) && a25 == 11) && a4 == 1)) || ((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 12) && a23 <= 138) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || ((a25 == 11 && a23 <= 138) && 278 <= a29)) || (278 <= a29 && a4 == 1)) || (a25 == 12 && 130 <= a29)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 <= 10) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a29 <= 130) && !(a25 == 9))) || ((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 12) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a29 + 554036 <= 0)) || ((a23 <= 138 && a25 <= 10) && 278 <= a29)) || (a23 <= 138 && a4 == 1)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 13) && a23 <= 138) && 0 < a23 + 43) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a29 <= 140) && a25 == 11) && a23 <= 138) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || (a25 <= 10 && a4 == 1)) || (a25 == 13 && a4 == 1)) || ((((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a29 <= 140) && a23 <= 138) && 0 < a23 + 43) && a25 <= 10) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || (((a29 <= 274 && a25 == 13) && a23 <= 138) && 246 <= a29)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a23 <= 312) && a25 == 12) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a4 == 1)) || ((((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 12) && a3 == 1) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a4 == 1) && a8 == 15)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a23 <= 138) && a25 <= 10) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a29 + 554036 <= 0)) || ((a25 == 11 && 246 <= a29) && a4 == 1) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((((a29 <= 274 && a25 == 11) && a23 <= 138) && 246 <= a29) || ((((a29 <= 220 && 309 <= a23) && 130 <= a29) && a25 == 11) && a4 == 1)) || ((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 12) && a23 <= 138) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || ((a25 == 11 && a23 <= 138) && 278 <= a29)) || (278 <= a29 && a4 == 1)) || (a25 == 12 && 130 <= a29)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 <= 10) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a29 <= 130) && !(a25 == 9))) || ((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 12) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a29 + 554036 <= 0)) || ((a23 <= 138 && a25 <= 10) && 278 <= a29)) || (a23 <= 138 && a4 == 1)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 13) && a23 <= 138) && 0 < a23 + 43) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a29 <= 140) && a25 == 11) && a23 <= 138) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || (a25 <= 10 && a4 == 1)) || (a25 == 13 && a4 == 1)) || ((((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a29 <= 140) && a23 <= 138) && 0 < a23 + 43) && a25 <= 10) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038)) || (((a29 <= 274 && a25 == 13) && a23 <= 138) && 246 <= a29)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a23 <= 312) && a25 == 12) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a4 == 1)) || ((((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a25 == 12) && a3 == 1) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a4 == 1) && a8 == 15)) || (((((0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549033 || !(0 == (a29 * 9 / 10 + 1) % 5)) && a23 <= 138) && a25 <= 10) && 0 < 5 * ((a29 * 9 / 10 + 1) / 5) + 549038) && a29 + 554036 <= 0)) || ((a25 == 11 && 246 <= a29) && a4 == 1) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 04:26:33,869 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