./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem11_label22.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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_label22.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 782212e92ca4a15b07e81f4c0ca47da63585acb1e5a128bc81275e5c438e9fe1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 12:19:55,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:19:55,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:19:55,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 12:19:55,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 12:19:55,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 12:19:55,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 12:19:55,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 12:19:55,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 12:19:55,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 12:19:55,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 12:19:55,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 12:19:55,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:19:55,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:19:55,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:19:55,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:19:55,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:19:55,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:19:55,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:19:55,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:19:55,881 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:19:55,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:19:55,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:19:55,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:19:55,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:19:55,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 12:19:55,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 12:19:55,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 12:19:55,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 12:19:55,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 12:19:55,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 12:19:55,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 12:19:55,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 12:19:55,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 12:19:55,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 12:19:55,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 12:19:55,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 12:19:55,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 12:19:55,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 12:19:55,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:19:55,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:19:55,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:19:55,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 12:19:55,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:19:55,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:19:55,938 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:19:55,938 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:19:55,938 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 12:19:55,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 12:19:55,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:19:55,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:19:55,940 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:19:55,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:19:55,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:19:55,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:19:55,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:19:55,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:19:55,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 12:19:55,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 12:19:55,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 12:19:55,942 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:19:55,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:19:55,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:19:55,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 12:19:55,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:19:55,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:19:55,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 12:19:55,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:19:55,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:19:55,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 12:19:55,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 12:19:55,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:19:55,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 12:19:55,947 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 12:19:55,947 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 12:19:55,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 12:19:55,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782212e92ca4a15b07e81f4c0ca47da63585acb1e5a128bc81275e5c438e9fe1 [2022-07-22 12:19:56,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:19:56,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:19:56,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:19:56,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:19:56,213 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:19:56,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem11_label22.c [2022-07-22 12:19:56,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22b78298/f2dfe4708b9b4a8bb678140931803ce8/FLAG2f24185b1 [2022-07-22 12:19:56,800 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:19:56,801 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem11_label22.c [2022-07-22 12:19:56,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22b78298/f2dfe4708b9b4a8bb678140931803ce8/FLAG2f24185b1 [2022-07-22 12:19:57,086 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c22b78298/f2dfe4708b9b4a8bb678140931803ce8 [2022-07-22 12:19:57,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:19:57,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 12:19:57,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:19:57,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:19:57,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:19:57,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f3fb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57, skipping insertion in model container [2022-07-22 12:19:57,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:19:57,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:19:57,380 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_label22.c[8004,8017] [2022-07-22 12:19:57,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:19:57,565 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:19:57,597 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_label22.c[8004,8017] [2022-07-22 12:19:57,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:19:57,755 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:19:57,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57 WrapperNode [2022-07-22 12:19:57,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:19:57,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:19:57,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:19:57,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:19:57,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,905 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-07-22 12:19:57,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:19:57,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:19:57,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:19:57,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:19:57,915 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:57,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:58,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:58,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:19:58,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:19:58,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:19:58,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:19:58,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (1/1) ... [2022-07-22 12:19:58,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 12:19:58,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:19:58,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 12:19:58,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 12:19:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:19:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:19:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:19:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:19:58,189 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:19:58,191 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:19:59,673 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:19:59,682 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:19:59,683 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 12:19:59,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:19:59 BoogieIcfgContainer [2022-07-22 12:19:59,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:19:59,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 12:19:59,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 12:19:59,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 12:19:59,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 12:19:57" (1/3) ... [2022-07-22 12:19:59,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b75e655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:19:59, skipping insertion in model container [2022-07-22 12:19:59,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:19:57" (2/3) ... [2022-07-22 12:19:59,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b75e655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 12:19:59, skipping insertion in model container [2022-07-22 12:19:59,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:19:59" (3/3) ... [2022-07-22 12:19:59,696 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label22.c [2022-07-22 12:19:59,709 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 12:19:59,710 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 12:19:59,758 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 12:19:59,764 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5551522f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@132d7f56 [2022-07-22 12:19:59,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 12:19:59,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:19:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 12:19:59,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:19:59,779 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:19:59,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:19:59,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:19:59,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1246856209, now seen corresponding path program 1 times [2022-07-22 12:19:59,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:19:59,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058780551] [2022-07-22 12:19:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:19:59,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:19:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:00,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:00,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:00,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058780551] [2022-07-22 12:20:00,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058780551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:00,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:00,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:20:00,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633526790] [2022-07-22 12:20:00,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:00,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:00,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:00,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:00,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:00,109 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 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:01,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:01,128 INFO L93 Difference]: Finished difference Result 761 states and 1345 transitions. [2022-07-22 12:20:01,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:01,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 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 55 [2022-07-22 12:20:01,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:01,146 INFO L225 Difference]: With dead ends: 761 [2022-07-22 12:20:01,146 INFO L226 Difference]: Without dead ends: 413 [2022-07-22 12:20:01,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:01,153 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 173 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:01,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 222 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:20:01,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2022-07-22 12:20:01,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2022-07-22 12:20:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 412 states have (on average 1.453883495145631) internal successors, (599), 412 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 599 transitions. [2022-07-22 12:20:01,209 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 599 transitions. Word has length 55 [2022-07-22 12:20:01,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:01,210 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 599 transitions. [2022-07-22 12:20:01,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 599 transitions. [2022-07-22 12:20:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-22 12:20:01,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:01,215 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:01,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 12:20:01,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:01,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:01,217 INFO L85 PathProgramCache]: Analyzing trace with hash -149441032, now seen corresponding path program 1 times [2022-07-22 12:20:01,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:01,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943240935] [2022-07-22 12:20:01,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:01,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:01,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:01,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943240935] [2022-07-22 12:20:01,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943240935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:01,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:01,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:20:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264667887] [2022-07-22 12:20:01,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:01,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:01,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:01,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:01,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:01,376 INFO L87 Difference]: Start difference. First operand 413 states and 599 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:02,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:02,101 INFO L93 Difference]: Finished difference Result 1211 states and 1763 transitions. [2022-07-22 12:20:02,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:02,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-07-22 12:20:02,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:02,105 INFO L225 Difference]: With dead ends: 1211 [2022-07-22 12:20:02,105 INFO L226 Difference]: Without dead ends: 800 [2022-07-22 12:20:02,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:02,108 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:02,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 120 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:20:02,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2022-07-22 12:20:02,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 789. [2022-07-22 12:20:02,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 788 states have (on average 1.3743654822335025) internal successors, (1083), 788 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1083 transitions. [2022-07-22 12:20:02,166 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1083 transitions. Word has length 123 [2022-07-22 12:20:02,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:02,169 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1083 transitions. [2022-07-22 12:20:02,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1083 transitions. [2022-07-22 12:20:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-22 12:20:02,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:02,181 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:02,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 12:20:02,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:02,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:02,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1649165251, now seen corresponding path program 1 times [2022-07-22 12:20:02,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:02,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292287604] [2022-07-22 12:20:02,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:02,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:02,370 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:02,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:02,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292287604] [2022-07-22 12:20:02,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292287604] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:02,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:02,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:20:02,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734446300] [2022-07-22 12:20:02,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:02,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:02,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:02,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:02,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:02,374 INFO L87 Difference]: Start difference. First operand 789 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:03,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:03,039 INFO L93 Difference]: Finished difference Result 1945 states and 2612 transitions. [2022-07-22 12:20:03,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:03,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 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 125 [2022-07-22 12:20:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:03,045 INFO L225 Difference]: With dead ends: 1945 [2022-07-22 12:20:03,045 INFO L226 Difference]: Without dead ends: 1158 [2022-07-22 12:20:03,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:03,048 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:03,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:20:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-07-22 12:20:03,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1157. [2022-07-22 12:20:03,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 1156 states have (on average 1.2707612456747406) internal successors, (1469), 1156 states have internal predecessors, (1469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1469 transitions. [2022-07-22 12:20:03,072 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1469 transitions. Word has length 125 [2022-07-22 12:20:03,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:03,072 INFO L495 AbstractCegarLoop]: Abstraction has 1157 states and 1469 transitions. [2022-07-22 12:20:03,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 2 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1469 transitions. [2022-07-22 12:20:03,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-22 12:20:03,075 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:03,075 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:03,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 12:20:03,076 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:03,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:03,077 INFO L85 PathProgramCache]: Analyzing trace with hash 693126941, now seen corresponding path program 1 times [2022-07-22 12:20:03,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:03,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407388294] [2022-07-22 12:20:03,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:03,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:03,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:03,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407388294] [2022-07-22 12:20:03,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407388294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:03,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:03,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:03,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330647658] [2022-07-22 12:20:03,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:03,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:03,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:03,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:03,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:03,190 INFO L87 Difference]: Start difference. First operand 1157 states and 1469 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:03,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:03,881 INFO L93 Difference]: Finished difference Result 2519 states and 3349 transitions. [2022-07-22 12:20:03,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:03,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 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 182 [2022-07-22 12:20:03,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:03,887 INFO L225 Difference]: With dead ends: 2519 [2022-07-22 12:20:03,887 INFO L226 Difference]: Without dead ends: 1548 [2022-07-22 12:20:03,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:03,890 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 180 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:03,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 322 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:20:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1548 states. [2022-07-22 12:20:03,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1548 to 1545. [2022-07-22 12:20:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 1.2933937823834196) internal successors, (1997), 1544 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:03,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 1997 transitions. [2022-07-22 12:20:03,923 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 1997 transitions. Word has length 182 [2022-07-22 12:20:03,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:03,924 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 1997 transitions. [2022-07-22 12:20:03,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:03,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1997 transitions. [2022-07-22 12:20:03,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-07-22 12:20:03,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:03,928 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:20:03,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 12:20:03,929 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:03,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:03,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1614618080, now seen corresponding path program 1 times [2022-07-22 12:20:03,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:03,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807376771] [2022-07-22 12:20:03,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:03,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:04,047 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-22 12:20:04,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:04,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807376771] [2022-07-22 12:20:04,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807376771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:04,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:04,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:04,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549977907] [2022-07-22 12:20:04,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:04,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:04,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:04,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:04,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:04,050 INFO L87 Difference]: Start difference. First operand 1545 states and 1997 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:04,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:04,851 INFO L93 Difference]: Finished difference Result 3650 states and 4815 transitions. [2022-07-22 12:20:04,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:04,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 237 [2022-07-22 12:20:04,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:04,860 INFO L225 Difference]: With dead ends: 3650 [2022-07-22 12:20:04,861 INFO L226 Difference]: Without dead ends: 2291 [2022-07-22 12:20:04,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:04,864 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 142 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:04,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 392 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:20:04,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2291 states. [2022-07-22 12:20:04,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2291 to 2098. [2022-07-22 12:20:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2675250357653791) internal successors, (2658), 2097 states have internal predecessors, (2658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:04,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2658 transitions. [2022-07-22 12:20:04,902 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2658 transitions. Word has length 237 [2022-07-22 12:20:04,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:04,903 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2658 transitions. [2022-07-22 12:20:04,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2658 transitions. [2022-07-22 12:20:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-22 12:20:04,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:04,910 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:20:04,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 12:20:04,911 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:04,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:04,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1116092079, now seen corresponding path program 1 times [2022-07-22 12:20:04,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:04,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586451400] [2022-07-22 12:20:04,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:04,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 91 proven. 14 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 12:20:05,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586451400] [2022-07-22 12:20:05,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586451400] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:20:05,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692694949] [2022-07-22 12:20:05,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:05,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:05,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:05,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:20:05,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 12:20:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:05,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-22 12:20:05,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:20:05,429 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-07-22 12:20:05,429 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:20:05,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692694949] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:05,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:20:05,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-07-22 12:20:05,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488104942] [2022-07-22 12:20:05,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:05,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:05,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:05,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:05,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:20:05,431 INFO L87 Difference]: Start difference. First operand 2098 states and 2658 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:06,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:06,217 INFO L93 Difference]: Finished difference Result 5671 states and 7287 transitions. [2022-07-22 12:20:06,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:06,218 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 243 [2022-07-22 12:20:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:06,231 INFO L225 Difference]: With dead ends: 5671 [2022-07-22 12:20:06,232 INFO L226 Difference]: Without dead ends: 3575 [2022-07-22 12:20:06,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:20:06,237 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 175 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:06,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 270 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:20:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3575 states. [2022-07-22 12:20:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3575 to 3572. [2022-07-22 12:20:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 3571 states have (on average 1.2509101092131056) internal successors, (4467), 3571 states have internal predecessors, (4467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 4467 transitions. [2022-07-22 12:20:06,319 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 4467 transitions. Word has length 243 [2022-07-22 12:20:06,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:06,320 INFO L495 AbstractCegarLoop]: Abstraction has 3572 states and 4467 transitions. [2022-07-22 12:20:06,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 4467 transitions. [2022-07-22 12:20:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-22 12:20:06,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:06,326 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:20:06,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-22 12:20:06,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-22 12:20:06,527 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:06,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:06,527 INFO L85 PathProgramCache]: Analyzing trace with hash 741694043, now seen corresponding path program 1 times [2022-07-22 12:20:06,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:06,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723001737] [2022-07-22 12:20:06,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:06,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:06,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:06,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723001737] [2022-07-22 12:20:06,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723001737] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:06,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:06,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:06,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317915175] [2022-07-22 12:20:06,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:06,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:20:06,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:06,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:20:06,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:06,705 INFO L87 Difference]: Start difference. First operand 3572 states and 4467 transitions. Second operand has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:07,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:07,926 INFO L93 Difference]: Finished difference Result 11413 states and 14584 transitions. [2022-07-22 12:20:07,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:20:07,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 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 282 [2022-07-22 12:20:07,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:07,958 INFO L225 Difference]: With dead ends: 11413 [2022-07-22 12:20:07,959 INFO L226 Difference]: Without dead ends: 8027 [2022-07-22 12:20:07,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:07,969 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 288 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:07,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 89 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1078 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-22 12:20:07,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8027 states. [2022-07-22 12:20:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8027 to 8025. [2022-07-22 12:20:08,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8025 states, 8024 states have (on average 1.2534895314057826) internal successors, (10058), 8024 states have internal predecessors, (10058), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8025 states to 8025 states and 10058 transitions. [2022-07-22 12:20:08,201 INFO L78 Accepts]: Start accepts. Automaton has 8025 states and 10058 transitions. Word has length 282 [2022-07-22 12:20:08,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:08,202 INFO L495 AbstractCegarLoop]: Abstraction has 8025 states and 10058 transitions. [2022-07-22 12:20:08,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 70.5) internal successors, (282), 3 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 8025 states and 10058 transitions. [2022-07-22 12:20:08,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-22 12:20:08,210 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:08,210 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:20:08,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 12:20:08,211 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:08,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:08,212 INFO L85 PathProgramCache]: Analyzing trace with hash 81123789, now seen corresponding path program 1 times [2022-07-22 12:20:08,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:08,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143715143] [2022-07-22 12:20:08,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:08,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-07-22 12:20:08,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:08,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143715143] [2022-07-22 12:20:08,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143715143] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:08,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:08,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:08,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956423574] [2022-07-22 12:20:08,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:08,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:08,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:08,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:08,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:08,344 INFO L87 Difference]: Start difference. First operand 8025 states and 10058 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:09,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:09,189 INFO L93 Difference]: Finished difference Result 18085 states and 22879 transitions. [2022-07-22 12:20:09,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:09,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 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 291 [2022-07-22 12:20:09,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:09,239 INFO L225 Difference]: With dead ends: 18085 [2022-07-22 12:20:09,240 INFO L226 Difference]: Without dead ends: 10246 [2022-07-22 12:20:09,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:09,252 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 141 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:09,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 384 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:20:09,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10246 states. [2022-07-22 12:20:09,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10246 to 10232. [2022-07-22 12:20:09,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10232 states, 10231 states have (on average 1.221385983774802) internal successors, (12496), 10231 states have internal predecessors, (12496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10232 states to 10232 states and 12496 transitions. [2022-07-22 12:20:09,468 INFO L78 Accepts]: Start accepts. Automaton has 10232 states and 12496 transitions. Word has length 291 [2022-07-22 12:20:09,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:09,469 INFO L495 AbstractCegarLoop]: Abstraction has 10232 states and 12496 transitions. [2022-07-22 12:20:09,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 10232 states and 12496 transitions. [2022-07-22 12:20:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-07-22 12:20:09,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:09,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:20:09,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 12:20:09,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:09,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:09,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1228370302, now seen corresponding path program 1 times [2022-07-22 12:20:09,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:09,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352721508] [2022-07-22 12:20:09,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:09,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 173 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:09,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:09,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352721508] [2022-07-22 12:20:09,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352721508] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:20:09,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303272885] [2022-07-22 12:20:09,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:09,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:09,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:09,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:20:09,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-22 12:20:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:09,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 12:20:09,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:20:11,173 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 173 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:11,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:20:12,870 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 173 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:12,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303272885] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 12:20:12,871 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 12:20:12,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-07-22 12:20:12,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790462890] [2022-07-22 12:20:12,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 12:20:12,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 12:20:12,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:12,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 12:20:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:20:12,874 INFO L87 Difference]: Start difference. First operand 10232 states and 12496 transitions. Second operand has 8 states, 8 states have (on average 72.625) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:15,490 INFO L93 Difference]: Finished difference Result 23741 states and 29205 transitions. [2022-07-22 12:20:15,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-22 12:20:15,491 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 72.625) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 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 [2022-07-22 12:20:15,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:15,518 INFO L225 Difference]: With dead ends: 23741 [2022-07-22 12:20:15,519 INFO L226 Difference]: Without dead ends: 14248 [2022-07-22 12:20:15,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 653 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2022-07-22 12:20:15,532 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 1003 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 2353 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1003 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 2855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 2353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:15,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1003 Valid, 189 Invalid, 2855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 2353 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-22 12:20:15,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14248 states. [2022-07-22 12:20:15,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14248 to 10943. [2022-07-22 12:20:15,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10943 states, 10942 states have (on average 1.1883567903491135) internal successors, (13003), 10942 states have internal predecessors, (13003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:15,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10943 states to 10943 states and 13003 transitions. [2022-07-22 12:20:15,741 INFO L78 Accepts]: Start accepts. Automaton has 10943 states and 13003 transitions. Word has length 329 [2022-07-22 12:20:15,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:15,741 INFO L495 AbstractCegarLoop]: Abstraction has 10943 states and 13003 transitions. [2022-07-22 12:20:15,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 72.625) internal successors, (581), 7 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:15,742 INFO L276 IsEmpty]: Start isEmpty. Operand 10943 states and 13003 transitions. [2022-07-22 12:20:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2022-07-22 12:20:15,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:15,755 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:15,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-22 12:20:15,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-22 12:20:15,971 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:15,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:15,972 INFO L85 PathProgramCache]: Analyzing trace with hash -333660676, now seen corresponding path program 1 times [2022-07-22 12:20:15,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:15,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255429839] [2022-07-22 12:20:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:15,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-07-22 12:20:16,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:16,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255429839] [2022-07-22 12:20:16,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255429839] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:16,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:16,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:16,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438178808] [2022-07-22 12:20:16,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:16,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:16,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:16,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:16,133 INFO L87 Difference]: Start difference. First operand 10943 states and 13003 transitions. Second operand has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:16,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:16,940 INFO L93 Difference]: Finished difference Result 27057 states and 32311 transitions. [2022-07-22 12:20:16,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:16,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 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 349 [2022-07-22 12:20:16,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:16,972 INFO L225 Difference]: With dead ends: 27057 [2022-07-22 12:20:16,972 INFO L226 Difference]: Without dead ends: 16852 [2022-07-22 12:20:16,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:16,987 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 139 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:16,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 141 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:20:17,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16852 states. [2022-07-22 12:20:17,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16852 to 16848. [2022-07-22 12:20:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16848 states, 16847 states have (on average 1.167388852614709) internal successors, (19667), 16847 states have internal predecessors, (19667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16848 states to 16848 states and 19667 transitions. [2022-07-22 12:20:17,247 INFO L78 Accepts]: Start accepts. Automaton has 16848 states and 19667 transitions. Word has length 349 [2022-07-22 12:20:17,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:17,248 INFO L495 AbstractCegarLoop]: Abstraction has 16848 states and 19667 transitions. [2022-07-22 12:20:17,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.0) internal successors, (297), 3 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:17,248 INFO L276 IsEmpty]: Start isEmpty. Operand 16848 states and 19667 transitions. [2022-07-22 12:20:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2022-07-22 12:20:17,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:17,265 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:20:17,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 12:20:17,265 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:17,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:17,266 INFO L85 PathProgramCache]: Analyzing trace with hash 413217873, now seen corresponding path program 1 times [2022-07-22 12:20:17,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:17,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566878226] [2022-07-22 12:20:17,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:17,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:17,455 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 229 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 12:20:17,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:17,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566878226] [2022-07-22 12:20:17,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566878226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:17,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:17,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:17,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988890173] [2022-07-22 12:20:17,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:17,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:17,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:17,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:17,459 INFO L87 Difference]: Start difference. First operand 16848 states and 19667 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:18,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:18,240 INFO L93 Difference]: Finished difference Result 35910 states and 41957 transitions. [2022-07-22 12:20:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:18,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 357 [2022-07-22 12:20:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:18,281 INFO L225 Difference]: With dead ends: 35910 [2022-07-22 12:20:18,282 INFO L226 Difference]: Without dead ends: 20168 [2022-07-22 12:20:18,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:18,302 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 58 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:18,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 75 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-22 12:20:18,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20168 states. [2022-07-22 12:20:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20168 to 20160. [2022-07-22 12:20:18,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20160 states, 20159 states have (on average 1.155960117069299) internal successors, (23303), 20159 states have internal predecessors, (23303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20160 states to 20160 states and 23303 transitions. [2022-07-22 12:20:18,625 INFO L78 Accepts]: Start accepts. Automaton has 20160 states and 23303 transitions. Word has length 357 [2022-07-22 12:20:18,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:18,626 INFO L495 AbstractCegarLoop]: Abstraction has 20160 states and 23303 transitions. [2022-07-22 12:20:18,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:18,626 INFO L276 IsEmpty]: Start isEmpty. Operand 20160 states and 23303 transitions. [2022-07-22 12:20:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2022-07-22 12:20:18,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:18,643 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:18,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-22 12:20:18,644 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:18,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:18,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1498658965, now seen corresponding path program 1 times [2022-07-22 12:20:18,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:18,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658406125] [2022-07-22 12:20:18,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:18,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-07-22 12:20:18,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:18,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658406125] [2022-07-22 12:20:18,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658406125] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:18,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:18,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:18,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027466692] [2022-07-22 12:20:18,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:18,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:20:18,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:18,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:20:18,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:18,803 INFO L87 Difference]: Start difference. First operand 20160 states and 23303 transitions. Second operand has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:20,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:20,005 INFO L93 Difference]: Finished difference Result 44218 states and 51655 transitions. [2022-07-22 12:20:20,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:20:20,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 359 [2022-07-22 12:20:20,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:20,047 INFO L225 Difference]: With dead ends: 44218 [2022-07-22 12:20:20,047 INFO L226 Difference]: Without dead ends: 26086 [2022-07-22 12:20:20,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:20,068 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 259 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:20,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 102 Invalid, 1258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 1092 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:20:20,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26086 states. [2022-07-22 12:20:20,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26086 to 22201. [2022-07-22 12:20:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22201 states, 22200 states have (on average 1.1554054054054055) internal successors, (25650), 22200 states have internal predecessors, (25650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:20,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22201 states to 22201 states and 25650 transitions. [2022-07-22 12:20:20,506 INFO L78 Accepts]: Start accepts. Automaton has 22201 states and 25650 transitions. Word has length 359 [2022-07-22 12:20:20,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:20,506 INFO L495 AbstractCegarLoop]: Abstraction has 22201 states and 25650 transitions. [2022-07-22 12:20:20,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:20,507 INFO L276 IsEmpty]: Start isEmpty. Operand 22201 states and 25650 transitions. [2022-07-22 12:20:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-22 12:20:20,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:20,523 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:20:20,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-22 12:20:20,523 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:20,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1694407671, now seen corresponding path program 1 times [2022-07-22 12:20:20,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:20,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549718020] [2022-07-22 12:20:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:20,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:20,755 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 12:20:20,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:20,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549718020] [2022-07-22 12:20:20,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549718020] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:20:20,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760434976] [2022-07-22 12:20:20,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:20,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:20,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:20,758 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:20:20,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-22 12:20:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:20,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 12:20:20,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:20:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 12:20:21,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 12:20:23,944 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 12:20:23,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760434976] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-22 12:20:23,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-22 12:20:23,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 5 [2022-07-22 12:20:23,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966687380] [2022-07-22 12:20:23,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:23,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:20:23,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:23,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:20:23,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:20:23,948 INFO L87 Difference]: Start difference. First operand 22201 states and 25650 transitions. Second operand has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:27,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:27,088 INFO L93 Difference]: Finished difference Result 50703 states and 59095 transitions. [2022-07-22 12:20:27,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:20:27,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 360 [2022-07-22 12:20:27,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:27,124 INFO L225 Difference]: With dead ends: 50703 [2022-07-22 12:20:27,124 INFO L226 Difference]: Without dead ends: 30530 [2022-07-22 12:20:27,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 716 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-07-22 12:20:27,143 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 313 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:27,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 179 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-22 12:20:27,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30530 states. [2022-07-22 12:20:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30530 to 22753. [2022-07-22 12:20:27,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22753 states, 22752 states have (on average 1.1521184950773558) internal successors, (26213), 22752 states have internal predecessors, (26213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22753 states to 22753 states and 26213 transitions. [2022-07-22 12:20:27,467 INFO L78 Accepts]: Start accepts. Automaton has 22753 states and 26213 transitions. Word has length 360 [2022-07-22 12:20:27,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:27,468 INFO L495 AbstractCegarLoop]: Abstraction has 22753 states and 26213 transitions. [2022-07-22 12:20:27,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 54.75) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:27,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22753 states and 26213 transitions. [2022-07-22 12:20:27,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-22 12:20:27,493 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:27,494 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-22 12:20:27,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-22 12:20:27,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:27,708 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1780645049, now seen corresponding path program 1 times [2022-07-22 12:20:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:27,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409887850] [2022-07-22 12:20:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:27,940 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 552 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-07-22 12:20:27,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:27,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409887850] [2022-07-22 12:20:27,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409887850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:27,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:27,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:27,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235529465] [2022-07-22 12:20:27,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:27,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:27,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:27,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:27,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:27,943 INFO L87 Difference]: Start difference. First operand 22753 states and 26213 transitions. Second operand has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:28,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:28,663 INFO L93 Difference]: Finished difference Result 44958 states and 51822 transitions. [2022-07-22 12:20:28,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:28,663 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 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 430 [2022-07-22 12:20:28,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:28,689 INFO L225 Difference]: With dead ends: 44958 [2022-07-22 12:20:28,689 INFO L226 Difference]: Without dead ends: 24233 [2022-07-22 12:20:28,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:28,705 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 141 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:28,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 144 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:20:28,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24233 states. [2022-07-22 12:20:28,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24233 to 22755. [2022-07-22 12:20:28,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22755 states, 22754 states have (on average 1.1518414344730596) internal successors, (26209), 22754 states have internal predecessors, (26209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:28,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22755 states to 22755 states and 26209 transitions. [2022-07-22 12:20:28,968 INFO L78 Accepts]: Start accepts. Automaton has 22755 states and 26209 transitions. Word has length 430 [2022-07-22 12:20:28,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:28,968 INFO L495 AbstractCegarLoop]: Abstraction has 22755 states and 26209 transitions. [2022-07-22 12:20:28,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22755 states and 26209 transitions. [2022-07-22 12:20:28,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-07-22 12:20:28,983 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:28,984 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:28,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-22 12:20:28,984 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:28,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:28,985 INFO L85 PathProgramCache]: Analyzing trace with hash 767467316, now seen corresponding path program 1 times [2022-07-22 12:20:28,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:28,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778195547] [2022-07-22 12:20:28,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:28,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:29,150 INFO L134 CoverageAnalysis]: Checked inductivity of 677 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-07-22 12:20:29,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:29,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778195547] [2022-07-22 12:20:29,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778195547] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:29,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:29,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:29,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138100941] [2022-07-22 12:20:29,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:29,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:29,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:29,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:29,153 INFO L87 Difference]: Start difference. First operand 22755 states and 26209 transitions. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:29,830 INFO L93 Difference]: Finished difference Result 42206 states and 48741 transitions. [2022-07-22 12:20:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:29,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 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 433 [2022-07-22 12:20:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:29,853 INFO L225 Difference]: With dead ends: 42206 [2022-07-22 12:20:29,853 INFO L226 Difference]: Without dead ends: 21479 [2022-07-22 12:20:29,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:29,869 INFO L413 NwaCegarLoop]: 317 mSDtfsCounter, 137 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:29,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 334 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:20:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21479 states. [2022-07-22 12:20:30,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21479 to 21461. [2022-07-22 12:20:30,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21461 states, 21460 states have (on average 1.1256756756756756) internal successors, (24157), 21460 states have internal predecessors, (24157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:30,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21461 states to 21461 states and 24157 transitions. [2022-07-22 12:20:30,073 INFO L78 Accepts]: Start accepts. Automaton has 21461 states and 24157 transitions. Word has length 433 [2022-07-22 12:20:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:30,074 INFO L495 AbstractCegarLoop]: Abstraction has 21461 states and 24157 transitions. [2022-07-22 12:20:30,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 21461 states and 24157 transitions. [2022-07-22 12:20:30,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-22 12:20:30,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:30,086 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:30,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-22 12:20:30,086 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:30,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:30,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1966731224, now seen corresponding path program 1 times [2022-07-22 12:20:30,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:30,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361946812] [2022-07-22 12:20:30,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:30,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:30,263 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2022-07-22 12:20:30,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:30,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361946812] [2022-07-22 12:20:30,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361946812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:30,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:30,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 12:20:30,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475364020] [2022-07-22 12:20:30,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:30,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:30,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:30,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:30,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:30,266 INFO L87 Difference]: Start difference. First operand 21461 states and 24157 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:30,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:30,713 INFO L93 Difference]: Finished difference Result 40143 states and 45235 transitions. [2022-07-22 12:20:30,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:30,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 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 437 [2022-07-22 12:20:30,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:30,736 INFO L225 Difference]: With dead ends: 40143 [2022-07-22 12:20:30,736 INFO L226 Difference]: Without dead ends: 20710 [2022-07-22 12:20:30,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:30,750 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 189 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:30,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 40 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 12:20:30,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20710 states. [2022-07-22 12:20:30,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20710 to 20701. [2022-07-22 12:20:30,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20701 states, 20700 states have (on average 1.123864734299517) internal successors, (23264), 20700 states have internal predecessors, (23264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20701 states to 20701 states and 23264 transitions. [2022-07-22 12:20:30,996 INFO L78 Accepts]: Start accepts. Automaton has 20701 states and 23264 transitions. Word has length 437 [2022-07-22 12:20:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:30,996 INFO L495 AbstractCegarLoop]: Abstraction has 20701 states and 23264 transitions. [2022-07-22 12:20:30,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 20701 states and 23264 transitions. [2022-07-22 12:20:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-22 12:20:31,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:31,007 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:31,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-22 12:20:31,007 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:31,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:31,008 INFO L85 PathProgramCache]: Analyzing trace with hash 753967230, now seen corresponding path program 1 times [2022-07-22 12:20:31,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:31,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990583966] [2022-07-22 12:20:31,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:31,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:31,154 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-22 12:20:31,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:31,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990583966] [2022-07-22 12:20:31,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990583966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:31,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:31,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:31,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381088825] [2022-07-22 12:20:31,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:31,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:31,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:31,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:31,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:31,157 INFO L87 Difference]: Start difference. First operand 20701 states and 23264 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:31,718 INFO L93 Difference]: Finished difference Result 36034 states and 40329 transitions. [2022-07-22 12:20:31,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:31,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 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 453 [2022-07-22 12:20:31,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:31,736 INFO L225 Difference]: With dead ends: 36034 [2022-07-22 12:20:31,736 INFO L226 Difference]: Without dead ends: 17175 [2022-07-22 12:20:31,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:31,747 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:31,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 135 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 12:20:31,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17175 states. [2022-07-22 12:20:31,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17175 to 16991. [2022-07-22 12:20:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16991 states, 16990 states have (on average 1.1065921130076515) internal successors, (18801), 16990 states have internal predecessors, (18801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:31,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16991 states to 16991 states and 18801 transitions. [2022-07-22 12:20:31,994 INFO L78 Accepts]: Start accepts. Automaton has 16991 states and 18801 transitions. Word has length 453 [2022-07-22 12:20:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:31,994 INFO L495 AbstractCegarLoop]: Abstraction has 16991 states and 18801 transitions. [2022-07-22 12:20:31,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 16991 states and 18801 transitions. [2022-07-22 12:20:32,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 492 [2022-07-22 12:20:32,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:32,006 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:32,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-22 12:20:32,006 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:32,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:32,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1527728535, now seen corresponding path program 1 times [2022-07-22 12:20:32,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:32,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966689712] [2022-07-22 12:20:32,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:32,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:32,241 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 416 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-07-22 12:20:32,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:32,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966689712] [2022-07-22 12:20:32,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966689712] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:32,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:32,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:20:32,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889631082] [2022-07-22 12:20:32,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:32,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 12:20:32,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:32,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 12:20:32,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-07-22 12:20:32,244 INFO L87 Difference]: Start difference. First operand 16991 states and 18801 transitions. Second operand has 5 states, 5 states have (on average 73.6) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:33,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:33,169 INFO L93 Difference]: Finished difference Result 32390 states and 35867 transitions. [2022-07-22 12:20:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-22 12:20:33,170 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 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 491 [2022-07-22 12:20:33,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:33,189 INFO L225 Difference]: With dead ends: 32390 [2022-07-22 12:20:33,189 INFO L226 Difference]: Without dead ends: 17427 [2022-07-22 12:20:33,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-22 12:20:33,201 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 244 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:33,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 52 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-22 12:20:33,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17427 states. [2022-07-22 12:20:33,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17427 to 17176. [2022-07-22 12:20:33,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17176 states, 17175 states have (on average 1.1050946142649198) internal successors, (18980), 17175 states have internal predecessors, (18980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:33,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17176 states to 17176 states and 18980 transitions. [2022-07-22 12:20:33,389 INFO L78 Accepts]: Start accepts. Automaton has 17176 states and 18980 transitions. Word has length 491 [2022-07-22 12:20:33,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:33,390 INFO L495 AbstractCegarLoop]: Abstraction has 17176 states and 18980 transitions. [2022-07-22 12:20:33,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 4 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 17176 states and 18980 transitions. [2022-07-22 12:20:33,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2022-07-22 12:20:33,408 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:33,409 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-07-22 12:20:33,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-22 12:20:33,409 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:33,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:33,410 INFO L85 PathProgramCache]: Analyzing trace with hash 762254319, now seen corresponding path program 1 times [2022-07-22 12:20:33,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:33,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797233047] [2022-07-22 12:20:33,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:33,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 738 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2022-07-22 12:20:33,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:33,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797233047] [2022-07-22 12:20:33,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797233047] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:33,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:33,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:20:33,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327593193] [2022-07-22 12:20:33,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:33,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:20:33,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:33,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:20:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:33,638 INFO L87 Difference]: Start difference. First operand 17176 states and 18980 transitions. Second operand has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:34,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:34,798 INFO L93 Difference]: Finished difference Result 39711 states and 43890 transitions. [2022-07-22 12:20:34,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:20:34,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 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 513 [2022-07-22 12:20:34,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:34,824 INFO L225 Difference]: With dead ends: 39711 [2022-07-22 12:20:34,824 INFO L226 Difference]: Without dead ends: 24563 [2022-07-22 12:20:34,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:34,837 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 226 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:34,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 76 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:20:34,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24563 states. [2022-07-22 12:20:35,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24563 to 21792. [2022-07-22 12:20:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21792 states, 21791 states have (on average 1.1029324032857601) internal successors, (24034), 21791 states have internal predecessors, (24034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:35,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21792 states to 21792 states and 24034 transitions. [2022-07-22 12:20:35,081 INFO L78 Accepts]: Start accepts. Automaton has 21792 states and 24034 transitions. Word has length 513 [2022-07-22 12:20:35,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:35,081 INFO L495 AbstractCegarLoop]: Abstraction has 21792 states and 24034 transitions. [2022-07-22 12:20:35,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 102.75) internal successors, (411), 4 states have internal predecessors, (411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:35,081 INFO L276 IsEmpty]: Start isEmpty. Operand 21792 states and 24034 transitions. [2022-07-22 12:20:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2022-07-22 12:20:35,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:35,102 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:20:35,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-22 12:20:35,103 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:35,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1316469261, now seen corresponding path program 1 times [2022-07-22 12:20:35,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:35,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769470588] [2022-07-22 12:20:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:35,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 470 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2022-07-22 12:20:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:35,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769470588] [2022-07-22 12:20:35,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769470588] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:35,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:35,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:35,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5786046] [2022-07-22 12:20:35,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:35,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:35,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:35,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:35,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:35,286 INFO L87 Difference]: Start difference. First operand 21792 states and 24034 transitions. Second operand has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:36,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:36,125 INFO L93 Difference]: Finished difference Result 46164 states and 50924 transitions. [2022-07-22 12:20:36,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:36,125 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 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 545 [2022-07-22 12:20:36,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:36,151 INFO L225 Difference]: With dead ends: 46164 [2022-07-22 12:20:36,151 INFO L226 Difference]: Without dead ends: 25478 [2022-07-22 12:20:36,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:36,160 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 55 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:36,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 64 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:20:36,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25478 states. [2022-07-22 12:20:36,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25478 to 21976. [2022-07-22 12:20:36,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21976 states, 21975 states have (on average 1.1023435722411832) internal successors, (24224), 21975 states have internal predecessors, (24224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21976 states to 21976 states and 24224 transitions. [2022-07-22 12:20:36,379 INFO L78 Accepts]: Start accepts. Automaton has 21976 states and 24224 transitions. Word has length 545 [2022-07-22 12:20:36,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:36,380 INFO L495 AbstractCegarLoop]: Abstraction has 21976 states and 24224 transitions. [2022-07-22 12:20:36,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.66666666666666) internal successors, (404), 3 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:36,380 INFO L276 IsEmpty]: Start isEmpty. Operand 21976 states and 24224 transitions. [2022-07-22 12:20:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2022-07-22 12:20:36,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:36,405 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:36,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-22 12:20:36,406 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:36,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:36,406 INFO L85 PathProgramCache]: Analyzing trace with hash 517635893, now seen corresponding path program 1 times [2022-07-22 12:20:36,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:36,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994929874] [2022-07-22 12:20:36,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:36,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:36,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 993 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2022-07-22 12:20:36,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:36,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994929874] [2022-07-22 12:20:36,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994929874] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:36,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:36,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:36,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289220953] [2022-07-22 12:20:36,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:36,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:36,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:36,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:36,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:36,626 INFO L87 Difference]: Start difference. First operand 21976 states and 24224 transitions. Second operand has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:37,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:37,345 INFO L93 Difference]: Finished difference Result 45255 states and 49943 transitions. [2022-07-22 12:20:37,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:37,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 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 728 [2022-07-22 12:20:37,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:37,374 INFO L225 Difference]: With dead ends: 45255 [2022-07-22 12:20:37,374 INFO L226 Difference]: Without dead ends: 25123 [2022-07-22 12:20:37,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:37,388 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 103 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:37,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 168 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 12:20:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25123 states. [2022-07-22 12:20:37,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25123 to 24552. [2022-07-22 12:20:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24552 states, 24551 states have (on average 1.0936010753126146) internal successors, (26849), 24551 states have internal predecessors, (26849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:37,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24552 states to 24552 states and 26849 transitions. [2022-07-22 12:20:37,742 INFO L78 Accepts]: Start accepts. Automaton has 24552 states and 26849 transitions. Word has length 728 [2022-07-22 12:20:37,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:37,743 INFO L495 AbstractCegarLoop]: Abstraction has 24552 states and 26849 transitions. [2022-07-22 12:20:37,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 24552 states and 26849 transitions. [2022-07-22 12:20:37,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2022-07-22 12:20:37,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:37,766 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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] [2022-07-22 12:20:37,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-22 12:20:37,767 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:37,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash 216433610, now seen corresponding path program 1 times [2022-07-22 12:20:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:37,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640213620] [2022-07-22 12:20:37,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:37,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1799 backedges. 1494 proven. 0 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2022-07-22 12:20:38,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:38,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640213620] [2022-07-22 12:20:38,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640213620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:38,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:38,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:20:38,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790311037] [2022-07-22 12:20:38,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:38,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:20:38,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:38,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:20:38,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:38,061 INFO L87 Difference]: Start difference. First operand 24552 states and 26849 transitions. Second operand has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:39,287 INFO L93 Difference]: Finished difference Result 54093 states and 59192 transitions. [2022-07-22 12:20:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:20:39,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 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 774 [2022-07-22 12:20:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:39,324 INFO L225 Difference]: With dead ends: 54093 [2022-07-22 12:20:39,324 INFO L226 Difference]: Without dead ends: 31569 [2022-07-22 12:20:39,340 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:39,340 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 230 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:39,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 77 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 12:20:39,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31569 states. [2022-07-22 12:20:39,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31569 to 17730. [2022-07-22 12:20:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17730 states, 17729 states have (on average 1.0947035929832478) internal successors, (19408), 17729 states have internal predecessors, (19408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:39,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17730 states to 17730 states and 19408 transitions. [2022-07-22 12:20:39,595 INFO L78 Accepts]: Start accepts. Automaton has 17730 states and 19408 transitions. Word has length 774 [2022-07-22 12:20:39,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:39,596 INFO L495 AbstractCegarLoop]: Abstraction has 17730 states and 19408 transitions. [2022-07-22 12:20:39,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:39,596 INFO L276 IsEmpty]: Start isEmpty. Operand 17730 states and 19408 transitions. [2022-07-22 12:20:39,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 817 [2022-07-22 12:20:39,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:39,613 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 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] [2022-07-22 12:20:39,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-22 12:20:39,614 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:39,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1126388753, now seen corresponding path program 1 times [2022-07-22 12:20:39,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:39,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978165450] [2022-07-22 12:20:39,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:39,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:39,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1552 proven. 0 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2022-07-22 12:20:39,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:39,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978165450] [2022-07-22 12:20:39,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978165450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:39,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:39,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 12:20:39,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517986011] [2022-07-22 12:20:39,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:39,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-22 12:20:39,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:39,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-22 12:20:39,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:39,926 INFO L87 Difference]: Start difference. First operand 17730 states and 19408 transitions. Second operand has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:41,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:41,006 INFO L93 Difference]: Finished difference Result 41547 states and 45486 transitions. [2022-07-22 12:20:41,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-22 12:20:41,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 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 816 [2022-07-22 12:20:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:41,030 INFO L225 Difference]: With dead ends: 41547 [2022-07-22 12:20:41,030 INFO L226 Difference]: Without dead ends: 23267 [2022-07-22 12:20:41,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-22 12:20:41,044 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 230 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 1242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:41,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 75 Invalid, 1242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-22 12:20:41,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23267 states. [2022-07-22 12:20:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23267 to 17546. [2022-07-22 12:20:41,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17546 states, 17545 states have (on average 1.0954117982331149) internal successors, (19219), 17545 states have internal predecessors, (19219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:41,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17546 states to 17546 states and 19219 transitions. [2022-07-22 12:20:41,264 INFO L78 Accepts]: Start accepts. Automaton has 17546 states and 19219 transitions. Word has length 816 [2022-07-22 12:20:41,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:41,265 INFO L495 AbstractCegarLoop]: Abstraction has 17546 states and 19219 transitions. [2022-07-22 12:20:41,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 139.75) internal successors, (559), 4 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:41,265 INFO L276 IsEmpty]: Start isEmpty. Operand 17546 states and 19219 transitions. [2022-07-22 12:20:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 921 [2022-07-22 12:20:41,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:41,284 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 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, 3, 3, 3, 3, 3, 3, 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] [2022-07-22 12:20:41,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-22 12:20:41,284 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:41,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1645325847, now seen corresponding path program 1 times [2022-07-22 12:20:41,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:41,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740722129] [2022-07-22 12:20:41,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:41,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2571 backedges. 1734 proven. 0 refuted. 0 times theorem prover too weak. 837 trivial. 0 not checked. [2022-07-22 12:20:41,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:41,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740722129] [2022-07-22 12:20:41,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740722129] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:41,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:41,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:41,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577600553] [2022-07-22 12:20:41,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:41,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:41,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:41,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:41,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:41,501 INFO L87 Difference]: Start difference. First operand 17546 states and 19219 transitions. Second operand has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:42,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:42,135 INFO L93 Difference]: Finished difference Result 36378 states and 39801 transitions. [2022-07-22 12:20:42,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:42,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 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 920 [2022-07-22 12:20:42,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:42,155 INFO L225 Difference]: With dead ends: 36378 [2022-07-22 12:20:42,156 INFO L226 Difference]: Without dead ends: 18834 [2022-07-22 12:20:42,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:42,166 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 132 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 617 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:42,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 97 Invalid, 617 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 12:20:42,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18834 states. [2022-07-22 12:20:42,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18834 to 16249. [2022-07-22 12:20:42,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16249 states, 16248 states have (on average 1.09465780403742) internal successors, (17786), 16248 states have internal predecessors, (17786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:42,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16249 states to 16249 states and 17786 transitions. [2022-07-22 12:20:42,346 INFO L78 Accepts]: Start accepts. Automaton has 16249 states and 17786 transitions. Word has length 920 [2022-07-22 12:20:42,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:42,347 INFO L495 AbstractCegarLoop]: Abstraction has 16249 states and 17786 transitions. [2022-07-22 12:20:42,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.0) internal successors, (405), 3 states have internal predecessors, (405), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:42,347 INFO L276 IsEmpty]: Start isEmpty. Operand 16249 states and 17786 transitions. [2022-07-22 12:20:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2022-07-22 12:20:42,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:42,366 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-22 12:20:42,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-22 12:20:42,366 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:42,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1307367328, now seen corresponding path program 1 times [2022-07-22 12:20:42,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:42,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358179812] [2022-07-22 12:20:42,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:42,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3347 backedges. 1791 proven. 969 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-22 12:20:42,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:42,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358179812] [2022-07-22 12:20:42,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358179812] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:20:42,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251100693] [2022-07-22 12:20:42,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:42,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:42,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:42,860 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:20:42,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-22 12:20:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:43,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 1356 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 12:20:43,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:20:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3347 backedges. 1949 proven. 0 refuted. 0 times theorem prover too weak. 1398 trivial. 0 not checked. [2022-07-22 12:20:43,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:20:43,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251100693] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:43,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:20:43,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2022-07-22 12:20:43,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474124077] [2022-07-22 12:20:43,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:43,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:43,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:43,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:43,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:20:43,393 INFO L87 Difference]: Start difference. First operand 16249 states and 17786 transitions. Second operand has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:43,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:43,949 INFO L93 Difference]: Finished difference Result 33058 states and 36177 transitions. [2022-07-22 12:20:43,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:43,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 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 1070 [2022-07-22 12:20:43,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:43,969 INFO L225 Difference]: With dead ends: 33058 [2022-07-22 12:20:43,969 INFO L226 Difference]: Without dead ends: 16811 [2022-07-22 12:20:43,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1077 GetRequests, 1071 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-22 12:20:43,978 INFO L413 NwaCegarLoop]: 316 mSDtfsCounter, 104 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:43,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 334 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 12:20:43,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16811 states. [2022-07-22 12:20:44,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16811 to 16621. [2022-07-22 12:20:44,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16621 states, 16620 states have (on average 1.0921780986762937) internal successors, (18152), 16620 states have internal predecessors, (18152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16621 states to 16621 states and 18152 transitions. [2022-07-22 12:20:44,134 INFO L78 Accepts]: Start accepts. Automaton has 16621 states and 18152 transitions. Word has length 1070 [2022-07-22 12:20:44,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:44,134 INFO L495 AbstractCegarLoop]: Abstraction has 16621 states and 18152 transitions. [2022-07-22 12:20:44,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.0) internal successors, (450), 3 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 16621 states and 18152 transitions. [2022-07-22 12:20:44,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1097 [2022-07-22 12:20:44,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:44,153 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:44,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-22 12:20:44,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:44,354 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:44,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:44,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1750744226, now seen corresponding path program 1 times [2022-07-22 12:20:44,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:44,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868272478] [2022-07-22 12:20:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:44,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:44,602 INFO L134 CoverageAnalysis]: Checked inductivity of 4031 backedges. 2183 proven. 0 refuted. 0 times theorem prover too weak. 1848 trivial. 0 not checked. [2022-07-22 12:20:44,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:44,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868272478] [2022-07-22 12:20:44,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868272478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:44,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:44,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:44,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612535970] [2022-07-22 12:20:44,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:44,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:44,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:44,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:44,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:44,606 INFO L87 Difference]: Start difference. First operand 16621 states and 18152 transitions. Second operand has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:45,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:45,221 INFO L93 Difference]: Finished difference Result 34535 states and 37752 transitions. [2022-07-22 12:20:45,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:45,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 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 1096 [2022-07-22 12:20:45,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:45,290 INFO L225 Difference]: With dead ends: 34535 [2022-07-22 12:20:45,290 INFO L226 Difference]: Without dead ends: 17916 [2022-07-22 12:20:45,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:45,294 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 84 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:45,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 347 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 12:20:45,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17916 states. [2022-07-22 12:20:45,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17916 to 16990. [2022-07-22 12:20:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16990 states, 16989 states have (on average 1.0904114426982165) internal successors, (18525), 16989 states have internal predecessors, (18525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:45,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16990 states to 16990 states and 18525 transitions. [2022-07-22 12:20:45,449 INFO L78 Accepts]: Start accepts. Automaton has 16990 states and 18525 transitions. Word has length 1096 [2022-07-22 12:20:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:45,449 INFO L495 AbstractCegarLoop]: Abstraction has 16990 states and 18525 transitions. [2022-07-22 12:20:45,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.0) internal successors, (432), 3 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:45,450 INFO L276 IsEmpty]: Start isEmpty. Operand 16990 states and 18525 transitions. [2022-07-22 12:20:45,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1111 [2022-07-22 12:20:45,468 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:45,468 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:45,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-22 12:20:45,469 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:45,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:45,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1094636434, now seen corresponding path program 1 times [2022-07-22 12:20:45,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:45,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127759122] [2022-07-22 12:20:45,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:45,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:45,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4105 backedges. 2511 proven. 0 refuted. 0 times theorem prover too weak. 1594 trivial. 0 not checked. [2022-07-22 12:20:45,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:45,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127759122] [2022-07-22 12:20:45,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127759122] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:45,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 12:20:45,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 12:20:45,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456463405] [2022-07-22 12:20:45,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:45,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:45,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:45,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:45,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:45,745 INFO L87 Difference]: Start difference. First operand 16990 states and 18525 transitions. Second operand has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:46,313 INFO L93 Difference]: Finished difference Result 34898 states and 38022 transitions. [2022-07-22 12:20:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:46,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 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 1110 [2022-07-22 12:20:46,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:46,331 INFO L225 Difference]: With dead ends: 34898 [2022-07-22 12:20:46,331 INFO L226 Difference]: Without dead ends: 17726 [2022-07-22 12:20:46,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 12:20:46,341 INFO L413 NwaCegarLoop]: 330 mSDtfsCounter, 101 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:46,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 350 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-22 12:20:46,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17726 states. [2022-07-22 12:20:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17726 to 16254. [2022-07-22 12:20:46,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16254 states, 16253 states have (on average 1.0879837568448902) internal successors, (17683), 16253 states have internal predecessors, (17683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16254 states to 16254 states and 17683 transitions. [2022-07-22 12:20:46,504 INFO L78 Accepts]: Start accepts. Automaton has 16254 states and 17683 transitions. Word has length 1110 [2022-07-22 12:20:46,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:46,505 INFO L495 AbstractCegarLoop]: Abstraction has 16254 states and 17683 transitions. [2022-07-22 12:20:46,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.33333333333334) internal successors, (406), 3 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 16254 states and 17683 transitions. [2022-07-22 12:20:46,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1184 [2022-07-22 12:20:46,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 12:20:46,525 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:20:46,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-22 12:20:46,525 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 12:20:46,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 12:20:46,526 INFO L85 PathProgramCache]: Analyzing trace with hash -659694717, now seen corresponding path program 1 times [2022-07-22 12:20:46,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 12:20:46,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784593850] [2022-07-22 12:20:46,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 12:20:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 4814 backedges. 3060 proven. 810 refuted. 0 times theorem prover too weak. 944 trivial. 0 not checked. [2022-07-22 12:20:47,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 12:20:47,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784593850] [2022-07-22 12:20:47,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784593850] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 12:20:47,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791984785] [2022-07-22 12:20:47,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 12:20:47,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 12:20:47,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:20:47,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-22 12:20:47,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-22 12:20:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 12:20:47,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-22 12:20:47,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 12:20:47,794 INFO L134 CoverageAnalysis]: Checked inductivity of 4814 backedges. 3002 proven. 0 refuted. 0 times theorem prover too weak. 1812 trivial. 0 not checked. [2022-07-22 12:20:47,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 12:20:47,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791984785] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 12:20:47,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-22 12:20:47,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 13 [2022-07-22 12:20:47,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112179818] [2022-07-22 12:20:47,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 12:20:47,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 12:20:47,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 12:20:47,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 12:20:47,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-22 12:20:47,797 INFO L87 Difference]: Start difference. First operand 16254 states and 17683 transitions. Second operand has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:48,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 12:20:48,325 INFO L93 Difference]: Finished difference Result 26039 states and 28243 transitions. [2022-07-22 12:20:48,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 12:20:48,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 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 1183 [2022-07-22 12:20:48,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 12:20:48,327 INFO L225 Difference]: With dead ends: 26039 [2022-07-22 12:20:48,327 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 12:20:48,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1196 GetRequests, 1185 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-22 12:20:48,337 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 98 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 12:20:48,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 280 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 12:20:48,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 12:20:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 12:20:48,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:48,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 12:20:48,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1183 [2022-07-22 12:20:48,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 12:20:48,339 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 12:20:48,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 135.66666666666666) internal successors, (407), 3 states have internal predecessors, (407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 12:20:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 12:20:48,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 12:20:48,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 12:20:48,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-22 12:20:48,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-07-22 12:20:48,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 12:20:57,860 WARN L233 SmtUtils]: Spent 9.31s on a formula simplification. DAG size of input: 960 DAG size of output: 834 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:21:06,431 WARN L233 SmtUtils]: Spent 8.56s on a formula simplification. DAG size of input: 954 DAG size of output: 831 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,394 INFO L899 garLoopResultBuilder]: For program point L169(line 169) no Hoare annotation was computed. [2022-07-22 12:21:13,395 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,396 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,397 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L109(line 109) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L895 garLoopResultBuilder]: At program point L1035(lines 32 1036) the Hoare annotation is: (let ((.cse11 (<= (+ ~a29~0 554036) 0)) (.cse10 (<= (+ ~a23~0 43) 0)) (.cse12 (= ~a25~0 9)) (.cse20 (<= ~a29~0 277)) (.cse16 (<= ~a29~0 245)) (.cse13 (<= ~a25~0 10)) (.cse14 (<= ~a23~0 312)) (.cse8 (<= ~a29~0 274)) (.cse18 (<= ~a23~0 600000)) (.cse2 (= ~a25~0 11)) (.cse15 (<= ~a29~0 275)) (.cse0 (<= (+ ~a23~0 55) 0)) (.cse1 (= ~a4~0 0)) (.cse4 (<= ~a29~0 220)) (.cse22 (= ~a25~0 10)) (.cse7 (< 140 ~a29~0)) (.cse6 (= ~a25~0 13)) (.cse19 (= ~a25~0 12)) (.cse21 (<= ~a23~0 599997)) (.cse3 (= ~a3~0 1)) (.cse9 (= ~a4~0 1)) (.cse17 (<= 312 ~a23~0)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse9 .cse5) (and .cse10 .cse1 .cse11 .cse12 .cse3 .cse5) (and .cse13 .cse3 .cse9 .cse14 .cse5) (and .cse15 .cse7 .cse13 .cse16 .cse3 .cse9 .cse17 .cse5) (and .cse18 .cse19 .cse7 .cse3 (< 306 ~a23~0) .cse9 .cse5 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) .cse20)) (and .cse0 .cse19 .cse1 .cse11 .cse3 .cse5) (and .cse10 .cse7 .cse1 .cse12 .cse3 (or .cse20 (not (= |ULTIMATE.start_calculate_output_~input#1| 2))) .cse5) (and .cse15 .cse7 .cse13 .cse3 .cse9 .cse17 (<= ~a25~0 9) .cse5) (and .cse6 .cse16 .cse3 .cse9 .cse17 .cse5 (not (<= ~a29~0 140))) (and .cse18 .cse7 .cse13 .cse3 .cse9 .cse17 .cse5) (and .cse19 (not (<= ~a23~0 138)) .cse3 .cse9 .cse14 .cse5) (and .cse7 .cse2 .cse8 (<= (+ 119992 ~a23~0) 0) .cse9 .cse5) (and .cse21 .cse3 .cse9 .cse5 .cse22) (and .cse6 .cse7 .cse3 (<= (+ ~a23~0 599772) 0) .cse9 .cse5) (and .cse18 .cse7 .cse2 .cse3 .cse9 .cse5) (and .cse15 .cse19 .cse7 .cse1 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse22) (and .cse6 .cse7 (<= ~a29~0 240) .cse3 .cse9 .cse5) (and .cse6 (< 138 ~a23~0) .cse21 .cse3 .cse9 .cse5) (and .cse19 .cse21 .cse3 .cse9 .cse17 .cse5 (<= ~a29~0 130)))) [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,398 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L902 garLoopResultBuilder]: At program point L1038(lines 1038 1054) the Hoare annotation is: true [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L181(line 181) no Hoare annotation was computed. [2022-07-22 12:21:13,399 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,400 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,401 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,401 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,401 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,401 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-07-22 12:21:13,401 INFO L899 garLoopResultBuilder]: For program point L118(line 118) no Hoare annotation was computed. [2022-07-22 12:21:13,402 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2022-07-22 12:21:13,402 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,402 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse11 (<= (+ ~a29~0 554036) 0)) (.cse10 (<= (+ ~a23~0 43) 0)) (.cse12 (= ~a25~0 9)) (.cse20 (<= ~a29~0 277)) (.cse16 (<= ~a29~0 245)) (.cse13 (<= ~a25~0 10)) (.cse14 (<= ~a23~0 312)) (.cse8 (<= ~a29~0 274)) (.cse18 (<= ~a23~0 600000)) (.cse2 (= ~a25~0 11)) (.cse15 (<= ~a29~0 275)) (.cse0 (<= (+ ~a23~0 55) 0)) (.cse1 (= ~a4~0 0)) (.cse4 (<= ~a29~0 220)) (.cse22 (= ~a25~0 10)) (.cse7 (< 140 ~a29~0)) (.cse6 (= ~a25~0 13)) (.cse19 (= ~a25~0 12)) (.cse21 (<= ~a23~0 599997)) (.cse3 (= ~a3~0 1)) (.cse9 (= ~a4~0 1)) (.cse17 (<= 312 ~a23~0)) (.cse5 (= ~a8~0 15))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse0 .cse7 .cse8 .cse3 .cse9 .cse5) (and .cse10 .cse1 .cse11 .cse12 .cse3 .cse5) (and .cse13 .cse3 .cse9 .cse14 .cse5) (and .cse15 .cse7 .cse13 .cse16 .cse3 .cse9 .cse17 .cse5) (and .cse18 .cse19 .cse7 .cse3 (< 306 ~a23~0) .cse9 .cse5 (or (not (= |ULTIMATE.start_calculate_output_~input#1| 6)) .cse20)) (and .cse0 .cse19 .cse1 .cse11 .cse3 .cse5) (and .cse10 .cse7 .cse1 .cse12 .cse3 (or .cse20 (not (= |ULTIMATE.start_calculate_output_~input#1| 2))) .cse5) (and .cse15 .cse7 .cse13 .cse3 .cse9 .cse17 (<= ~a25~0 9) .cse5) (and .cse6 .cse16 .cse3 .cse9 .cse17 .cse5 (not (<= ~a29~0 140))) (and .cse18 .cse7 .cse13 .cse3 .cse9 .cse17 .cse5) (and .cse19 (not (<= ~a23~0 138)) .cse3 .cse9 .cse14 .cse5) (and .cse7 .cse2 .cse8 (<= (+ 119992 ~a23~0) 0) .cse9 .cse5) (and .cse21 .cse3 .cse9 .cse5 .cse22) (and .cse6 .cse7 .cse3 (<= (+ ~a23~0 599772) 0) .cse9 .cse5) (and .cse18 .cse7 .cse2 .cse3 .cse9 .cse5) (and .cse15 .cse19 .cse7 .cse1 .cse3 .cse5) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse22) (and .cse6 .cse7 (<= ~a29~0 240) .cse3 .cse9 .cse5) (and .cse6 (< 138 ~a23~0) .cse21 .cse3 .cse9 .cse5) (and .cse19 .cse21 .cse3 .cse9 .cse17 .cse5 (<= ~a29~0 130)))) [2022-07-22 12:21:13,402 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,402 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,402 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,402 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2022-07-22 12:21:13,403 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,404 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-22 12:21:13,405 INFO L899 garLoopResultBuilder]: For program point L124(line 124) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,406 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L127(line 127) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2022-07-22 12:21:13,407 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2022-07-22 12:21:13,408 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L130(line 130) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 181) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,409 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L133(line 133) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L67(line 67) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,410 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L202(line 202) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,411 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L139(line 139) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,412 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2022-07-22 12:21:13,413 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,414 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-07-22 12:21:13,415 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,416 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L148(line 148) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2022-07-22 12:21:13,417 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L151(line 151) no Hoare annotation was computed. [2022-07-22 12:21:13,418 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,419 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2022-07-22 12:21:13,420 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,421 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,422 INFO L899 garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed. [2022-07-22 12:21:13,422 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2022-07-22 12:21:13,423 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2022-07-22 12:21:13,423 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2022-07-22 12:21:13,423 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2022-07-22 12:21:13,423 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2022-07-22 12:21:13,423 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,423 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,424 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,424 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,424 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,425 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,425 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,426 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,427 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,427 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,427 INFO L899 garLoopResultBuilder]: For program point L163(line 163) no Hoare annotation was computed. [2022-07-22 12:21:13,427 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2022-07-22 12:21:13,427 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2022-07-22 12:21:13,428 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,429 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,429 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-07-22 12:21:13,429 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2022-07-22 12:21:13,429 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-07-22 12:21:13,429 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2022-07-22 12:21:13,432 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 12:21:13,434 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 12:21:13,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 12:21:13 BoogieIcfgContainer [2022-07-22 12:21:13,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 12:21:13,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 12:21:13,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 12:21:13,477 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 12:21:13,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:19:59" (3/4) ... [2022-07-22 12:21:13,485 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 12:21:13,514 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 12:21:13,515 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 12:21:13,516 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 12:21:13,517 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 12:21:13,628 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 12:21:13,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 12:21:13,629 INFO L158 Benchmark]: Toolchain (without parser) took 76540.21ms. Allocated memory was 111.1MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 77.8MB in the beginning and 873.7MB in the end (delta: -795.9MB). Peak memory consumption was 885.3MB. Max. memory is 16.1GB. [2022-07-22 12:21:13,629 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 12:21:13,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.27ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 77.5MB in the beginning and 104.0MB in the end (delta: -26.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2022-07-22 12:21:13,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 148.98ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 86.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-22 12:21:13,632 INFO L158 Benchmark]: Boogie Preprocessor took 130.25ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 77.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 12:21:13,635 INFO L158 Benchmark]: RCFGBuilder took 1647.55ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 76.9MB in the beginning and 117.2MB in the end (delta: -40.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2022-07-22 12:21:13,635 INFO L158 Benchmark]: TraceAbstraction took 73788.85ms. Allocated memory was 209.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 117.2MB in the beginning and 890.0MB in the end (delta: -772.8MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2022-07-22 12:21:13,640 INFO L158 Benchmark]: Witness Printer took 151.27ms. Allocated memory is still 1.8GB. Free memory was 890.0MB in the beginning and 873.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-22 12:21:13,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 111.1MB. Free memory was 65.6MB in the beginning and 65.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.27ms. Allocated memory was 111.1MB in the beginning and 134.2MB in the end (delta: 23.1MB). Free memory was 77.5MB in the beginning and 104.0MB in the end (delta: -26.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 148.98ms. Allocated memory is still 134.2MB. Free memory was 104.0MB in the beginning and 86.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.25ms. Allocated memory is still 134.2MB. Free memory was 86.9MB in the beginning and 77.6MB in the end (delta: 9.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1647.55ms. Allocated memory was 134.2MB in the beginning and 209.7MB in the end (delta: 75.5MB). Free memory was 76.9MB in the beginning and 117.2MB in the end (delta: -40.3MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * TraceAbstraction took 73788.85ms. Allocated memory was 209.7MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 117.2MB in the beginning and 890.0MB in the end (delta: -772.8MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 151.27ms. Allocated memory is still 1.8GB. Free memory was 890.0MB in the beginning and 873.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 181]: 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: 73.7s, OverallIterations: 28, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 27.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5341 SdHoareTripleChecker+Valid, 23.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5341 mSDsluCounter, 5248 SdHoareTripleChecker+Invalid, 19.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 683 mSDsCounter, 3408 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20413 IncrementalHoareTripleChecker+Invalid, 23821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3408 mSolverCounterUnsat, 4565 mSDtfsCounter, 20413 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3979 GetRequests, 3906 SyntacticMatches, 2 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24552occurred in iteration=21, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.3s AutomataMinimizationTime, 28 MinimizatonAttempts, 48723 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 133 NumberOfFragments, 919 HoareAnnotationTreeSize, 3 FomulaSimplifications, 52314 FormulaSimplificationTreeSizeReduction, 17.9s HoareSimplificationTime, 3 FomulaSimplificationsInter, 301174 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 10.6s InterpolantComputationTime, 17476 NumberOfCodeBlocks, 17476 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 18130 ConstructedInterpolants, 0 QuantifiedInterpolants, 69388 SizeOfPredicates, 8 NumberOfNonLiveVariables, 4169 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 35 InterpolantComputations, 27 PerfectInterpolantSequences, 37821/39953 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a23 + 55 <= 0 && a4 == 0) && a25 == 11) && a3 == 1) && a29 <= 220) && a8 == 15) || ((((((a25 == 13 && a23 + 55 <= 0) && 140 < a29) && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a4 == 0) && a29 + 554036 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || ((((a25 <= 10 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 275 && 140 < a29) && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((((a23 <= 600000 && a25 == 12) && 140 < a29) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((a23 + 55 <= 0 && a25 == 12) && a4 == 0) && a29 + 554036 <= 0) && a3 == 1) && a8 == 15)) || ((((((a23 + 43 <= 0 && 140 < a29) && a4 == 0) && a25 == 9) && a3 == 1) && (a29 <= 277 || !(input == 2))) && a8 == 15)) || (((((((a29 <= 275 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && 312 <= a23) && a25 <= 9) && a8 == 15)) || ((((((a25 == 13 && a29 <= 245) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && !(a29 <= 140))) || ((((((a23 <= 600000 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((a25 == 12 && !(a23 <= 138)) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((140 < a29 && a25 == 11) && a29 <= 274) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15)) || ((((a23 <= 599997 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 13 && 140 < a29) && a3 == 1) && a23 + 599772 <= 0) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 140 < a29) && a4 == 0) && a3 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || (((((a25 == 13 && 140 < a29) && a29 <= 240) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && 138 < a23) && a23 <= 599997) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 12 && a23 <= 599997) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && a29 <= 130) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((a23 + 55 <= 0 && a4 == 0) && a25 == 11) && a3 == 1) && a29 <= 220) && a8 == 15) || ((((((a25 == 13 && a23 + 55 <= 0) && 140 < a29) && a29 <= 274) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a23 + 43 <= 0 && a4 == 0) && a29 + 554036 <= 0) && a25 == 9) && a3 == 1) && a8 == 15)) || ((((a25 <= 10 && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((((a29 <= 275 && 140 < a29) && a25 <= 10) && a29 <= 245) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((((a23 <= 600000 && a25 == 12) && 140 < a29) && a3 == 1) && 306 < a23) && a4 == 1) && a8 == 15) && (!(input == 6) || a29 <= 277))) || (((((a23 + 55 <= 0 && a25 == 12) && a4 == 0) && a29 + 554036 <= 0) && a3 == 1) && a8 == 15)) || ((((((a23 + 43 <= 0 && 140 < a29) && a4 == 0) && a25 == 9) && a3 == 1) && (a29 <= 277 || !(input == 2))) && a8 == 15)) || (((((((a29 <= 275 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && 312 <= a23) && a25 <= 9) && a8 == 15)) || ((((((a25 == 13 && a29 <= 245) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && !(a29 <= 140))) || ((((((a23 <= 600000 && 140 < a29) && a25 <= 10) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15)) || (((((a25 == 12 && !(a23 <= 138)) && a3 == 1) && a4 == 1) && a23 <= 312) && a8 == 15)) || (((((140 < a29 && a25 == 11) && a29 <= 274) && 119992 + a23 <= 0) && a4 == 1) && a8 == 15)) || ((((a23 <= 599997 && a3 == 1) && a4 == 1) && a8 == 15) && a25 == 10)) || (((((a25 == 13 && 140 < a29) && a3 == 1) && a23 + 599772 <= 0) && a4 == 1) && a8 == 15)) || (((((a23 <= 600000 && 140 < a29) && a25 == 11) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a29 <= 275 && a25 == 12) && 140 < a29) && a4 == 0) && a3 == 1) && a8 == 15)) || (((((a23 + 55 <= 0 && a4 == 0) && a3 == 1) && a29 <= 220) && a8 == 15) && a25 == 10)) || (((((a25 == 13 && 140 < a29) && a29 <= 240) && a3 == 1) && a4 == 1) && a8 == 15)) || (((((a25 == 13 && 138 < a23) && a23 <= 599997) && a3 == 1) && a4 == 1) && a8 == 15)) || ((((((a25 == 12 && a23 <= 599997) && a3 == 1) && a4 == 1) && 312 <= a23) && a8 == 15) && a29 <= 130) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 12:21:13,676 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