./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem01_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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/Problem01_label32.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b0b2a9797b90f95684a46496de9717e82eef5c31235380fd2859f2748d0f286 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-20 22:43:49,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:43:49,573 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:43:49,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:43:49,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:43:49,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:43:49,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:43:49,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:43:49,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:43:49,617 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:43:49,618 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:43:49,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:43:49,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:43:49,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:43:49,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:43:49,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:43:49,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:43:49,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:43:49,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:43:49,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:43:49,634 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:43:49,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:43:49,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:43:49,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:43:49,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:43:49,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:43:49,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:43:49,640 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:43:49,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:43:49,641 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:43:49,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:43:49,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:43:49,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:43:49,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:43:49,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:43:49,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:43:49,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:43:49,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:43:49,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:43:49,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:43:49,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:43:49,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:43:49,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 22:43:49,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:43:49,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:43:49,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:43:49,679 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:43:49,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:43:49,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:43:49,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:43:49,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:43:49,681 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:43:49,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:43:49,682 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:43:49,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 22:43:49,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:43:49,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:43:49,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:43:49,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:43:49,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:43:49,683 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:43:49,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:43:49,683 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:43:49,683 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:43:49,683 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:43:49,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:43:49,684 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:43:49,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:43:49,684 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:43:49,684 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:43:49,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:43:49,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 22:43:49,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 22:43:49,685 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:43:49,685 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:43:49,685 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:43:49,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0b2a9797b90f95684a46496de9717e82eef5c31235380fd2859f2748d0f286 [2022-07-20 22:43:49,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:43:49,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:43:49,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:43:49,984 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:43:49,984 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:43:49,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem01_label32.c [2022-07-20 22:43:50,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346eeda47/fad9134545c54d4e8465a3fd0d1d90dd/FLAGd694efb66 [2022-07-20 22:43:50,465 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:43:50,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem01_label32.c [2022-07-20 22:43:50,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346eeda47/fad9134545c54d4e8465a3fd0d1d90dd/FLAGd694efb66 [2022-07-20 22:43:50,483 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/346eeda47/fad9134545c54d4e8465a3fd0d1d90dd [2022-07-20 22:43:50,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:43:50,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:43:50,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:43:50,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:43:50,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:43:50,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:50,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c8f206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50, skipping insertion in model container [2022-07-20 22:43:50,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:50,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:43:50,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:43:50,821 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/Problem01_label32.c[14752,14765] [2022-07-20 22:43:50,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:43:50,867 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:43:50,929 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/Problem01_label32.c[14752,14765] [2022-07-20 22:43:50,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:43:50,964 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:43:50,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50 WrapperNode [2022-07-20 22:43:50,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:43:50,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:43:50,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:43:50,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:43:50,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:50,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,040 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-07-20 22:43:51,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:43:51,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:43:51,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:43:51,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:43:51,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:43:51,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:43:51,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:43:51,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:43:51,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (1/1) ... [2022-07-20 22:43:51,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:43:51,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:43:51,138 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) [2022-07-20 22:43:51,149 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 [2022-07-20 22:43:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:43:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 22:43:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:43:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:43:51,264 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:43:51,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:43:51,872 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:43:51,879 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:43:51,880 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 22:43:51,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:51 BoogieIcfgContainer [2022-07-20 22:43:51,882 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:43:51,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:43:51,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:43:51,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:43:51,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:50" (1/3) ... [2022-07-20 22:43:51,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c966a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:51, skipping insertion in model container [2022-07-20 22:43:51,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:50" (2/3) ... [2022-07-20 22:43:51,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c966a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:51, skipping insertion in model container [2022-07-20 22:43:51,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:51" (3/3) ... [2022-07-20 22:43:51,889 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label32.c [2022-07-20 22:43:51,899 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:43:51,899 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:43:51,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:43:51,957 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@50ade3d5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@29a04b06 [2022-07-20 22:43:51,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:43:51,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:51,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-07-20 22:43:51,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:51,968 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:51,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:51,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:51,973 INFO L85 PathProgramCache]: Analyzing trace with hash -87240969, now seen corresponding path program 1 times [2022-07-20 22:43:51,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:51,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030790457] [2022-07-20 22:43:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:51,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:52,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:43:52,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:52,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030790457] [2022-07-20 22:43:52,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030790457] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:52,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:52,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:43:52,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232963910] [2022-07-20 22:43:52,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:52,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:52,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:52,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:52,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:52,305 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:52,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:52,763 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-07-20 22:43:52,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:52,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-07-20 22:43:52,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:52,793 INFO L225 Difference]: With dead ends: 528 [2022-07-20 22:43:52,794 INFO L226 Difference]: Without dead ends: 266 [2022-07-20 22:43:52,796 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 [2022-07-20 22:43:52,799 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 108 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:52,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 73 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 22:43:52,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-07-20 22:43:52,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-07-20 22:43:52,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.411320754716981) internal successors, (374), 265 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2022-07-20 22:43:52,858 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 74 [2022-07-20 22:43:52,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:52,859 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2022-07-20 22:43:52,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2022-07-20 22:43:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-20 22:43:52,863 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:52,863 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:52,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 22:43:52,863 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:52,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:52,864 INFO L85 PathProgramCache]: Analyzing trace with hash -620298449, now seen corresponding path program 1 times [2022-07-20 22:43:52,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:52,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974079052] [2022-07-20 22:43:52,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:52,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:43:52,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:52,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974079052] [2022-07-20 22:43:52,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974079052] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:52,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:52,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:43:52,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029629818] [2022-07-20 22:43:52,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:52,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:52,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:52,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:52,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:52,979 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:53,365 INFO L93 Difference]: Finished difference Result 792 states and 1117 transitions. [2022-07-20 22:43:53,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:53,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-07-20 22:43:53,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:53,368 INFO L225 Difference]: With dead ends: 792 [2022-07-20 22:43:53,368 INFO L226 Difference]: Without dead ends: 528 [2022-07-20 22:43:53,369 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 [2022-07-20 22:43:53,370 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 71 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:53,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 25 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 22:43:53,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-07-20 22:43:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-07-20 22:43:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3776091081593929) internal successors, (726), 527 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 726 transitions. [2022-07-20 22:43:53,386 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 726 transitions. Word has length 78 [2022-07-20 22:43:53,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:53,386 INFO L495 AbstractCegarLoop]: Abstraction has 528 states and 726 transitions. [2022-07-20 22:43:53,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:53,386 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 726 transitions. [2022-07-20 22:43:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-20 22:43:53,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:53,390 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-20 22:43:53,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 22:43:53,391 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1471592793, now seen corresponding path program 1 times [2022-07-20 22:43:53,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:53,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941318641] [2022-07-20 22:43:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:43:53,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:53,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941318641] [2022-07-20 22:43:53,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941318641] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:53,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:53,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:43:53,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039585450] [2022-07-20 22:43:53,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:53,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:53,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:53,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:53,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:53,435 INFO L87 Difference]: Start difference. First operand 528 states and 726 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:53,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:53,748 INFO L93 Difference]: Finished difference Result 1578 states and 2173 transitions. [2022-07-20 22:43:53,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:53,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-07-20 22:43:53,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:53,751 INFO L225 Difference]: With dead ends: 1578 [2022-07-20 22:43:53,751 INFO L226 Difference]: Without dead ends: 1052 [2022-07-20 22:43:53,752 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 [2022-07-20 22:43:53,753 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 134 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:53,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 35 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:43:53,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-07-20 22:43:53,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2022-07-20 22:43:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.3101807802093244) internal successors, (1377), 1051 states have internal predecessors, (1377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1377 transitions. [2022-07-20 22:43:53,768 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1377 transitions. Word has length 95 [2022-07-20 22:43:53,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:53,768 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1377 transitions. [2022-07-20 22:43:53,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1377 transitions. [2022-07-20 22:43:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-20 22:43:53,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:53,771 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:53,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 22:43:53,771 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:53,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:53,772 INFO L85 PathProgramCache]: Analyzing trace with hash 2130658266, now seen corresponding path program 1 times [2022-07-20 22:43:53,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:53,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694667931] [2022-07-20 22:43:53,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:53,844 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-20 22:43:53,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:53,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694667931] [2022-07-20 22:43:53,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694667931] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:53,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:53,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:43:53,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570817549] [2022-07-20 22:43:53,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:53,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:53,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:53,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:53,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:53,847 INFO L87 Difference]: Start difference. First operand 1052 states and 1377 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:54,143 INFO L93 Difference]: Finished difference Result 2888 states and 3786 transitions. [2022-07-20 22:43:54,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:54,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 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 100 [2022-07-20 22:43:54,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:54,148 INFO L225 Difference]: With dead ends: 2888 [2022-07-20 22:43:54,148 INFO L226 Difference]: Without dead ends: 1838 [2022-07-20 22:43:54,150 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 [2022-07-20 22:43:54,151 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 125 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:54,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 31 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:43:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-07-20 22:43:54,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2022-07-20 22:43:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.3076923076923077) internal successors, (1717), 1313 states have internal predecessors, (1717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1717 transitions. [2022-07-20 22:43:54,170 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1717 transitions. Word has length 100 [2022-07-20 22:43:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:54,170 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 1717 transitions. [2022-07-20 22:43:54,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1717 transitions. [2022-07-20 22:43:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-07-20 22:43:54,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:54,172 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:54,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 22:43:54,173 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:54,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:54,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1088087116, now seen corresponding path program 1 times [2022-07-20 22:43:54,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:54,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836408043] [2022-07-20 22:43:54,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:54,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-07-20 22:43:54,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:54,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836408043] [2022-07-20 22:43:54,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836408043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:54,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:54,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:43:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011935666] [2022-07-20 22:43:54,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:54,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:54,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:54,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:54,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:54,205 INFO L87 Difference]: Start difference. First operand 1314 states and 1717 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:54,490 INFO L93 Difference]: Finished difference Result 2888 states and 3772 transitions. [2022-07-20 22:43:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:54,490 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-07-20 22:43:54,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:54,494 INFO L225 Difference]: With dead ends: 2888 [2022-07-20 22:43:54,494 INFO L226 Difference]: Without dead ends: 1576 [2022-07-20 22:43:54,496 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 [2022-07-20 22:43:54,497 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 154 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:54,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 29 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:43:54,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2022-07-20 22:43:54,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1052. [2022-07-20 22:43:54,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.2692673644148431) internal successors, (1334), 1051 states have internal predecessors, (1334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1334 transitions. [2022-07-20 22:43:54,513 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1334 transitions. Word has length 102 [2022-07-20 22:43:54,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:54,513 INFO L495 AbstractCegarLoop]: Abstraction has 1052 states and 1334 transitions. [2022-07-20 22:43:54,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 2 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1334 transitions. [2022-07-20 22:43:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-20 22:43:54,515 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:54,515 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:54,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 22:43:54,516 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:54,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1729409683, now seen corresponding path program 1 times [2022-07-20 22:43:54,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:54,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668021803] [2022-07-20 22:43:54,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:54,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:54,561 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:43:54,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:54,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668021803] [2022-07-20 22:43:54,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668021803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:54,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:54,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:43:54,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727950771] [2022-07-20 22:43:54,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:54,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:54,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:54,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:54,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:54,564 INFO L87 Difference]: Start difference. First operand 1052 states and 1334 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:54,823 INFO L93 Difference]: Finished difference Result 2364 states and 2982 transitions. [2022-07-20 22:43:54,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:54,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103 [2022-07-20 22:43:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:54,827 INFO L225 Difference]: With dead ends: 2364 [2022-07-20 22:43:54,827 INFO L226 Difference]: Without dead ends: 1314 [2022-07-20 22:43:54,828 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 [2022-07-20 22:43:54,829 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 108 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:54,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 56 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 22:43:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-07-20 22:43:54,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2022-07-20 22:43:54,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.242955064737243) internal successors, (1632), 1313 states have internal predecessors, (1632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1632 transitions. [2022-07-20 22:43:54,846 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1632 transitions. Word has length 103 [2022-07-20 22:43:54,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:54,846 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 1632 transitions. [2022-07-20 22:43:54,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:54,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1632 transitions. [2022-07-20 22:43:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 22:43:54,848 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:54,848 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:54,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 22:43:54,848 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:54,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:54,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1422400382, now seen corresponding path program 1 times [2022-07-20 22:43:54,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:54,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966076644] [2022-07-20 22:43:54,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:54,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:54,874 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-20 22:43:54,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:54,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966076644] [2022-07-20 22:43:54,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966076644] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:54,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:54,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:43:54,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488424054] [2022-07-20 22:43:54,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:54,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:54,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:54,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:54,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:54,877 INFO L87 Difference]: Start difference. First operand 1314 states and 1632 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:55,157 INFO L93 Difference]: Finished difference Result 2626 states and 3262 transitions. [2022-07-20 22:43:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:55,158 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-07-20 22:43:55,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:55,161 INFO L225 Difference]: With dead ends: 2626 [2022-07-20 22:43:55,162 INFO L226 Difference]: Without dead ends: 1314 [2022-07-20 22:43:55,163 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 [2022-07-20 22:43:55,166 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 136 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:55,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 55 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:43:55,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-07-20 22:43:55,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1314. [2022-07-20 22:43:55,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.2338156892612338) internal successors, (1620), 1313 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1620 transitions. [2022-07-20 22:43:55,184 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1620 transitions. Word has length 106 [2022-07-20 22:43:55,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:55,185 INFO L495 AbstractCegarLoop]: Abstraction has 1314 states and 1620 transitions. [2022-07-20 22:43:55,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1620 transitions. [2022-07-20 22:43:55,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-07-20 22:43:55,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:55,189 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:55,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 22:43:55,189 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:55,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:55,190 INFO L85 PathProgramCache]: Analyzing trace with hash -284291749, now seen corresponding path program 1 times [2022-07-20 22:43:55,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:55,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321528142] [2022-07-20 22:43:55,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:43:55,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:55,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321528142] [2022-07-20 22:43:55,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321528142] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:55,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:55,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:43:55,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694807240] [2022-07-20 22:43:55,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:55,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 22:43:55,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:55,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 22:43:55,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 22:43:55,264 INFO L87 Difference]: Start difference. First operand 1314 states and 1620 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:55,657 INFO L93 Difference]: Finished difference Result 3019 states and 3685 transitions. [2022-07-20 22:43:55,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 22:43:55,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 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 107 [2022-07-20 22:43:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:55,662 INFO L225 Difference]: With dead ends: 3019 [2022-07-20 22:43:55,662 INFO L226 Difference]: Without dead ends: 1707 [2022-07-20 22:43:55,663 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 [2022-07-20 22:43:55,664 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 372 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:55,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 53 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 22:43:55,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2022-07-20 22:43:55,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1576. [2022-07-20 22:43:55,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.2177777777777778) internal successors, (1918), 1575 states have internal predecessors, (1918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1918 transitions. [2022-07-20 22:43:55,684 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1918 transitions. Word has length 107 [2022-07-20 22:43:55,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:55,684 INFO L495 AbstractCegarLoop]: Abstraction has 1576 states and 1918 transitions. [2022-07-20 22:43:55,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1918 transitions. [2022-07-20 22:43:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-20 22:43:55,686 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:55,687 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:55,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 22:43:55,687 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:55,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:55,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1805551037, now seen corresponding path program 1 times [2022-07-20 22:43:55,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:55,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166010505] [2022-07-20 22:43:55,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:55,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:55,711 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-20 22:43:55,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:55,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166010505] [2022-07-20 22:43:55,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166010505] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:55,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:55,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:43:55,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490028863] [2022-07-20 22:43:55,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:55,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:55,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:55,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:55,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:55,713 INFO L87 Difference]: Start difference. First operand 1576 states and 1918 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:55,994 INFO L93 Difference]: Finished difference Result 3674 states and 4436 transitions. [2022-07-20 22:43:55,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:55,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 116 [2022-07-20 22:43:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:55,999 INFO L225 Difference]: With dead ends: 3674 [2022-07-20 22:43:55,999 INFO L226 Difference]: Without dead ends: 2100 [2022-07-20 22:43:56,001 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 [2022-07-20 22:43:56,002 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:56,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 29 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:43:56,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-07-20 22:43:56,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2022-07-20 22:43:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1997822536744693) internal successors, (2204), 1837 states have internal predecessors, (2204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:56,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2204 transitions. [2022-07-20 22:43:56,025 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2204 transitions. Word has length 116 [2022-07-20 22:43:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:56,025 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2204 transitions. [2022-07-20 22:43:56,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:56,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2204 transitions. [2022-07-20 22:43:56,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-07-20 22:43:56,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:56,028 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, 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] [2022-07-20 22:43:56,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 22:43:56,028 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash -951472117, now seen corresponding path program 1 times [2022-07-20 22:43:56,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:56,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273299679] [2022-07-20 22:43:56,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:56,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-20 22:43:56,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:56,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273299679] [2022-07-20 22:43:56,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273299679] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:56,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:56,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 22:43:56,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262487976] [2022-07-20 22:43:56,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:56,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:56,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:56,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:56,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 22:43:56,106 INFO L87 Difference]: Start difference. First operand 1838 states and 2204 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:56,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:56,348 INFO L93 Difference]: Finished difference Result 2364 states and 2826 transitions. [2022-07-20 22:43:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:56,349 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 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 140 [2022-07-20 22:43:56,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:56,354 INFO L225 Difference]: With dead ends: 2364 [2022-07-20 22:43:56,354 INFO L226 Difference]: Without dead ends: 2362 [2022-07-20 22:43:56,355 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 [2022-07-20 22:43:56,355 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 81 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:56,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 31 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 22:43:56,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2022-07-20 22:43:56,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2022-07-20 22:43:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.2078252032520325) internal successors, (2377), 1968 states have internal predecessors, (2377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2377 transitions. [2022-07-20 22:43:56,390 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2377 transitions. Word has length 140 [2022-07-20 22:43:56,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:56,391 INFO L495 AbstractCegarLoop]: Abstraction has 1969 states and 2377 transitions. [2022-07-20 22:43:56,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:56,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2377 transitions. [2022-07-20 22:43:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-07-20 22:43:56,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:56,393 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:56,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 22:43:56,394 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:56,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:56,394 INFO L85 PathProgramCache]: Analyzing trace with hash 189565702, now seen corresponding path program 1 times [2022-07-20 22:43:56,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:56,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651286235] [2022-07-20 22:43:56,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:56,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 10 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-20 22:43:56,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:56,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651286235] [2022-07-20 22:43:56,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651286235] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:43:56,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990373248] [2022-07-20 22:43:56,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:56,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:43:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:43:56,451 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) [2022-07-20 22:43:56,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 22:43:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:56,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 22:43:56,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:43:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-20 22:43:56,703 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:43:56,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990373248] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:56,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 22:43:56,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2022-07-20 22:43:56,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287275106] [2022-07-20 22:43:56,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:56,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 22:43:56,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:56,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 22:43:56,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:43:56,705 INFO L87 Difference]: Start difference. First operand 1969 states and 2377 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 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) [2022-07-20 22:43:57,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:57,092 INFO L93 Difference]: Finished difference Result 4198 states and 5038 transitions. [2022-07-20 22:43:57,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 22:43:57,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 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 143 [2022-07-20 22:43:57,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:57,100 INFO L225 Difference]: With dead ends: 4198 [2022-07-20 22:43:57,102 INFO L226 Difference]: Without dead ends: 2231 [2022-07-20 22:43:57,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:43:57,105 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 319 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:57,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 49 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 22:43:57,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2022-07-20 22:43:57,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 2100. [2022-07-20 22:43:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.197713196760362) internal successors, (2514), 2099 states have internal predecessors, (2514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:57,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2514 transitions. [2022-07-20 22:43:57,158 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2514 transitions. Word has length 143 [2022-07-20 22:43:57,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:57,158 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2514 transitions. [2022-07-20 22:43:57,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 3 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) [2022-07-20 22:43:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2514 transitions. [2022-07-20 22:43:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-20 22:43:57,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:57,161 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 22:43:57,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 22:43:57,371 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,SelfDestructingSolverStorable10 [2022-07-20 22:43:57,372 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:57,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:57,372 INFO L85 PathProgramCache]: Analyzing trace with hash -920238171, now seen corresponding path program 1 times [2022-07-20 22:43:57,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:57,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830472947] [2022-07-20 22:43:57,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:57,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:57,424 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 106 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-07-20 22:43:57,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:57,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830472947] [2022-07-20 22:43:57,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830472947] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 22:43:57,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813583247] [2022-07-20 22:43:57,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:57,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 22:43:57,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:43:57,426 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) [2022-07-20 22:43:57,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 22:43:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:57,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 22:43:57,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 22:43:57,652 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-20 22:43:57,652 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 22:43:57,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813583247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:57,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 22:43:57,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2022-07-20 22:43:57,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550619011] [2022-07-20 22:43:57,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:57,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 22:43:57,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:57,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 22:43:57,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:43:57,653 INFO L87 Difference]: Start difference. First operand 2100 states and 2514 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:57,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:57,893 INFO L93 Difference]: Finished difference Result 4591 states and 5467 transitions. [2022-07-20 22:43:57,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 22:43:57,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 156 [2022-07-20 22:43:57,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:57,898 INFO L225 Difference]: With dead ends: 4591 [2022-07-20 22:43:57,899 INFO L226 Difference]: Without dead ends: 2493 [2022-07-20 22:43:57,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 22:43:57,901 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 93 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:57,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 49 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 22:43:57,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2493 states. [2022-07-20 22:43:57,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2493 to 2231. [2022-07-20 22:43:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.1941704035874439) internal successors, (2663), 2230 states have internal predecessors, (2663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:57,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2663 transitions. [2022-07-20 22:43:57,938 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2663 transitions. Word has length 156 [2022-07-20 22:43:57,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:57,938 INFO L495 AbstractCegarLoop]: Abstraction has 2231 states and 2663 transitions. [2022-07-20 22:43:57,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2663 transitions. [2022-07-20 22:43:57,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-20 22:43:57,941 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:57,941 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:57,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 22:43:58,158 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,SelfDestructingSolverStorable11 [2022-07-20 22:43:58,159 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:58,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:58,159 INFO L85 PathProgramCache]: Analyzing trace with hash -798875378, now seen corresponding path program 1 times [2022-07-20 22:43:58,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:58,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371943299] [2022-07-20 22:43:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:58,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:43:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-07-20 22:43:58,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:43:58,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371943299] [2022-07-20 22:43:58,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371943299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:43:58,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:43:58,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 22:43:58,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269012965] [2022-07-20 22:43:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:43:58,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 22:43:58,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:43:58,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 22:43:58,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:43:58,301 INFO L87 Difference]: Start difference. First operand 2231 states and 2663 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:58,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:43:58,659 INFO L93 Difference]: Finished difference Result 4606 states and 5476 transitions. [2022-07-20 22:43:58,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 22:43:58,660 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 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 221 [2022-07-20 22:43:58,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:43:58,666 INFO L225 Difference]: With dead ends: 4606 [2022-07-20 22:43:58,666 INFO L226 Difference]: Without dead ends: 2377 [2022-07-20 22:43:58,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 22:43:58,670 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 254 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 22:43:58,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 65 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 22:43:58,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2377 states. [2022-07-20 22:43:58,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2377 to 2231. [2022-07-20 22:43:58,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2231 states, 2230 states have (on average 1.1914798206278028) internal successors, (2657), 2230 states have internal predecessors, (2657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2657 transitions. [2022-07-20 22:43:58,705 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2657 transitions. Word has length 221 [2022-07-20 22:43:58,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:43:58,705 INFO L495 AbstractCegarLoop]: Abstraction has 2231 states and 2657 transitions. [2022-07-20 22:43:58,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 5 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-20 22:43:58,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2657 transitions. [2022-07-20 22:43:58,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-20 22:43:58,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:43:58,710 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-20 22:43:58,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 22:43:58,710 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:43:58,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:43:58,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1175600186, now seen corresponding path program 1 times [2022-07-20 22:43:58,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:43:58,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331766904] [2022-07-20 22:43:58,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:43:58,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:43:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:43:58,784 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 22:43:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:43:58,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-20 22:43:58,879 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 22:43:58,880 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 22:43:58,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 22:43:58,886 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:43:58,888 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 22:43:59,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:43:59 BoogieIcfgContainer [2022-07-20 22:43:59,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 22:43:59,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 22:43:59,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 22:43:59,014 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 22:43:59,014 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:51" (3/4) ... [2022-07-20 22:43:59,016 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-20 22:43:59,139 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 22:43:59,139 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 22:43:59,140 INFO L158 Benchmark]: Toolchain (without parser) took 8653.67ms. Allocated memory was 52.4MB in the beginning and 180.4MB in the end (delta: 127.9MB). Free memory was 27.9MB in the beginning and 79.4MB in the end (delta: -51.4MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,140 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:43:59,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.50ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 27.7MB in the beginning and 50.0MB in the end (delta: -22.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.66ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 44.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,141 INFO L158 Benchmark]: Boogie Preprocessor took 67.56ms. Allocated memory is still 69.2MB. Free memory was 44.2MB in the beginning and 39.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,141 INFO L158 Benchmark]: RCFGBuilder took 769.15ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 49.7MB in the end (delta: -10.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,141 INFO L158 Benchmark]: TraceAbstraction took 7129.50ms. Allocated memory was 83.9MB in the beginning and 180.4MB in the end (delta: 96.5MB). Free memory was 49.3MB in the beginning and 103.5MB in the end (delta: -54.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,142 INFO L158 Benchmark]: Witness Printer took 125.32ms. Allocated memory is still 180.4MB. Free memory was 103.5MB in the beginning and 79.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-07-20 22:43:59,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 33.8MB in the beginning and 33.8MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.50ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 27.7MB in the beginning and 50.0MB in the end (delta: -22.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.66ms. Allocated memory is still 69.2MB. Free memory was 50.0MB in the beginning and 44.2MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.56ms. Allocated memory is still 69.2MB. Free memory was 44.2MB in the beginning and 39.7MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 769.15ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 39.7MB in the beginning and 49.7MB in the end (delta: -10.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7129.50ms. Allocated memory was 83.9MB in the beginning and 180.4MB in the end (delta: 96.5MB). Free memory was 49.3MB in the beginning and 103.5MB in the end (delta: -54.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 125.32ms. Allocated memory is still 180.4MB. Free memory was 103.5MB in the beginning and 79.4MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 408]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int a= 1; [L18] int d= 4; [L19] int e= 5; [L20] int f= 6; [L21] int c= 3; [L22] int b= 2; [L25] int u = 21; [L26] int v = 22; [L27] int w = 23; [L28] int x = 24; [L29] int y = 25; [L30] int z = 26; [L32] int a17 = 1; [L33] int a7 = 0; [L34] int a20 = 1; [L35] int a8 = 15; [L36] int a12 = 8; [L37] int a16 = 5; [L38] int a21 = 1; VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L590] int output = -1; VAL [a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L278] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L283] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L288] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L296] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L302] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L309] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L316] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L322] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L326] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L328] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L334] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L339] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [\old(input)=3, a=1, a12=8, a16=5, a17=1, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L343] COND TRUE ((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15))) [L344] a17 = 0 [L345] a16 = 4 [L346] return 21; VAL [\old(input)=3, \result=21, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=3, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(input)=4, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L278] COND TRUE (((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4)) [L279] a20 = 0 [L280] a17 = 1 [L281] a16 = 6 [L282] return 21; VAL [\old(input)=4, \result=21, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=6, a17=1, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND TRUE (((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6)) [L73] a17 = 0 [L74] return 26; VAL [\old(input)=4, \result=26, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=1, a=1, a12=8, a16=6, a17=0, a20=0, a21=1, a7=0, a8=15, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND TRUE ((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))))))) [L83] a7 = 1 [L84] a17 = 1 [L85] a21 = 0 [L86] a20 = 1 [L87] a8 = 13 [L88] a16 = 5 [L89] return 26; VAL [\old(input)=1, \result=26, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(input)=4, a=1, a12=8, a16=5, a17=1, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND TRUE ((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1))) [L159] a16 = 4 [L160] a17 = 0 [L161] return 25; VAL [\old(input)=4, \result=25, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL, EXPR calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=1, a21=0, a7=1, a8=13, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND TRUE (((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1)) [L140] a8 = 15 [L141] a17 = 0 [L142] a21 = 1 [L143] a20 = 0 [L144] a16 = 4 [L145] return -1; VAL [\old(input)=6, \result=-1, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L601] RET, EXPR calculate_output(input) [L601] output = calculate_output(input) [L593] COND TRUE 1 [L596] int input; [L597] input = __VERIFIER_nondet_int() [L598] COND FALSE !((input != 1) && (input != 2) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) [L601] CALL calculate_output(input) [L41] COND FALSE !((((a8==15)&&(((((a21==1)&&(((a16==5)||(a16==6))&&(input==1)))&&(a20==1))&&(a17==1))&&!(a7==1)))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L45] COND FALSE !((((((((input==5)&&((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5))))&&(a20==1))&&(a12==8))&&(a7==1))&&!(a21==1))&&(a8==13))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L53] COND FALSE !(((!(a7==1)&&((((a16==6)&&((a21==1)&&((a17==1)&&(input==3))))&&!(a20==1))&&(a8==15)))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a17==1)&&((!(a7==1)&&(((a21==1)&&((((a16==5)||(a16==6))&&(input==6))&&(a20==1)))&&(a8==15)))&&(a12==8)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L64] COND FALSE !((((input==3)&&((((a16==6)&&((!(a20==1)&&(!(a7==1)&&!(a17==1)))&&(a8==15)))&&(a21==1))||((((a8==13)&&((a20==1)&&((a17==1)&&(a7==1))))&&(a16==4))&&!(a21==1))))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L72] COND FALSE !((((a17==1)&&(((a21==1)&&((!(a7==1)&&((input==4)&&(a8==15)))&&!(a20==1)))&&(a12==8)))&&(a16==6))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L75] COND FALSE !((((a12==8)&&(((a21==1)&&((((input==5)&&!(a7==1))&&(a8==15))&&(a16==5)))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !(((a12==8)&&((input==1)&&(((a21==1)&&(((a8==15)&&((!(a17==1)&&!(a7==1))&&!(a20==1)))&&(a16==6)))||(!(a21==1)&&((a16==4)&&((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1))))))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L90] COND FALSE !(((((!(a17==1)&&(!(a7==1)&&((a21==1)&&((a8==15)&&(input==4)))))&&!(a20==1))&&(a12==8))&&(a16==4))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L94] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&(((a20==1)&&((a17==1)&&(a7==1)))&&(a8==13)))&&!(a21==1)))&&(input==2))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L102] COND FALSE !(((a8==13)&&(!(a21==1)&&((((input==3)&&((((a20==1)&&!(a17==1))&&(a16==6))||((!(a20==1)&&(a17==1))&&(a16==4))))&&(a12==8))&&(a7==1))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L107] COND FALSE !(((((a21==1)&&((a12==8)&&((input==1)&&(((!(a20==1)&&(a17==1))&&(a16==4))||(((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&(!(a17==1)&&(a20==1))))))))&&!(a7==1))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L112] COND FALSE !((((a16==5)&&(((a7==1)&&((!(a21==1)&&((a12==8)&&(input==3)))&&(a8==13)))&&(a17==1)))&&(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L118] COND FALSE !(((a17==1)&&(((a8==15)&&(((a12==8)&&((!(a7==1)&&(input==5))&&(a21==1)))&&!(a20==1)))&&(a16==5)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L124] COND FALSE !((!(a7==1)&&(((((a21==1)&&(((a8==15)&&(input==5))&&!(a17==1)))&&(a12==8))&&(a20==1))&&(a16==4)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L129] COND FALSE !(((!(a21==1)&&(((a12==8)&&((((a16==6)&&((a20==1)&&!(a17==1)))||((!(a20==1)&&(a17==1))&&(a16==4)))&&(input==1)))&&(a8==13)))&&(a7==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !(((a17==1)&&(!(a7==1)&&(((a21==1)&&(((a12==8)&&((input==5)&&((a16==5)||(a16==6))))&&(a20==1)))&&(a8==15))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a12==8)&&(!(a21==1)&&((a7==1)&&((a8==13)&&((input==6)&&((((a16==6)&&(a17==1))||((a16==4)&&!(a17==1)))||((a16==5)&&!(a17==1))))))))&&(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L146] COND FALSE !((((a16==5)&&((((a8==15)&&((!(a7==1)&&(input==2))&&(a21==1)))&&(a12==8))&&!(a20==1)))&&!(a17==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L150] COND FALSE !((!(a20==1)&&((a21==1)&&((a16==4)&&((a8==15)&&(((a12==8)&&((input==2)&&!(a7==1)))&&!(a17==1))))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !((((a21==1)&&(!(a7==1)&&((!(a20==1)&&(!(a17==1)&&((a12==8)&&(input==6))))&&(a16==4))))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L158] COND FALSE !(((a17==1)&&((((((a12==8)&&((input==4)&&(a8==13)))&&(a20==1))&&!(a21==1))&&(a16==5))&&(a7==1)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L162] COND FALSE !(((((a8==13)&&((a12==8)&&((((((a16==6)&&(a17==1))||(!(a17==1)&&(a16==4)))||(!(a17==1)&&(a16==5)))&&(input==1))&&!(a21==1))))&&(a20==1))&&(a7==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L170] COND FALSE !(((a8==13)&&(!(a21==1)&&((((((!(a17==1)&&(a20==1))&&(a16==6))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==5))&&(a7==1))&&(a12==8))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a21==1)&&((((((a16==6)&&((a20==1)&&!(a17==1)))||(((a17==1)&&!(a20==1))&&(a16==4)))&&(input==4))&&(a7==1))&&(a12==8)))&&(a8==13))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L183] COND FALSE !((((a21==1)&&(!(a7==1)&&((((((a16==5)&&((a20==1)&&!(a17==1)))||((!(a17==1)&&(a20==1))&&(a16==6)))||((a16==4)&&((a17==1)&&!(a20==1))))&&(input==4))&&(a12==8))))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L188] COND FALSE !(((((((a16==6)&&((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15)))&&(a21==1))||(((a16==4)&&((((a7==1)&&(a17==1))&&(a20==1))&&(a8==13)))&&!(a21==1)))&&(input==4))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L196] COND FALSE !((!(a17==1)&&(((a12==8)&&(!(a20==1)&&(((a8==15)&&((a21==1)&&(input==4)))&&!(a7==1))))&&(a16==5)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L199] COND FALSE !((((!(a7==1)&&(((input==2)&&((((a16==5)&&((a20==1)&&!(a17==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a8==15)))&&(a12==8))&&(a21==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L204] COND FALSE !((!(a20==1)&&(((((((input==6)&&(a16==5))&&(a21==1))&&!(a17==1))&&(a12==8))&&!(a7==1))&&(a8==15)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L207] COND FALSE !(((a12==8)&&(((((((a21==1)&&(input==5))&&(a8==15))&&(a17==1))&&!(a7==1))&&!(a20==1))&&(a16==6)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L213] COND FALSE !(((((a8==15)&&(!(a7==1)&&((((!(a20==1)&&(a17==1))&&(a16==4))||(((!(a17==1)&&(a20==1))&&(a16==5))||((a16==6)&&((a20==1)&&!(a17==1)))))&&(input==6))))&&(a12==8))&&(a21==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !(((a8==15)&&((a16==4)&&(!(a20==1)&&((((a21==1)&&(!(a17==1)&&(input==5)))&&!(a7==1))&&(a12==8)))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L224] COND FALSE !(((a17==1)&&((a12==8)&&((a8==15)&&(((!(a7==1)&&(((a16==5)||(a16==6))&&(input==2)))&&(a21==1))&&(a20==1)))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L228] COND FALSE !((!(a7==1)&&(((a8==15)&&((!(a17==1)&&((a12==8)&&((input==3)&&(a21==1))))&&(a16==4)))&&(a20==1)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L233] COND FALSE !(((a16==5)&&((!(a21==1)&&(((a8==13)&&(((input==2)&&(a20==1))&&(a12==8)))&&(a7==1)))&&(a17==1)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L241] COND FALSE !(((a20==1)&&(((a12==8)&&((a7==1)&&((a8==13)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==3)))))&&!(a21==1)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((a12==8)&&((a7==1)&&(!(a21==1)&&((a8==13)&&((input==6)&&(((a16==6)&&((a20==1)&&!(a17==1)))||((a16==4)&&((a17==1)&&!(a20==1)))))))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L255] COND FALSE !(((!(a7==1)&&(!(a17==1)&&((((a16==4)&&((a8==15)&&(input==1)))&&(a12==8))&&(a21==1))))&&(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L260] COND FALSE !(((a17==1)&&(((a21==1)&&(!(a20==1)&&((a12==8)&&((a8==15)&&(!(a7==1)&&(input==1))))))&&(a16==6)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L266] COND FALSE !(((a20==1)&&((a12==8)&&((((a17==1)&&((((a16==5)||(a16==6))&&(input==4))&&(a8==15)))&&(a21==1))&&!(a7==1))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L271] COND FALSE !(((((a8==13)&&((((!(a21==1)&&(input==6))&&(a20==1))&&(a12==8))&&(a17==1)))&&(a7==1))&&(a16==5))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L275] COND FALSE !(((a16==5)&&(((((a12==8)&&(!(a7==1)&&((input==2)&&!(a20==1))))&&(a21==1))&&(a17==1))&&(a8==15)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L278] COND FALSE !((((a12==8)&&(((!(a17==1)&&((a21==1)&&((input==4)&&!(a7==1))))&&(a8==15))&&(a20==1)))&&(a16==4))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L283] COND FALSE !(((a7==1)&&((a8==13)&&((a12==8)&&(!(a21==1)&&((input==2)&&((((a20==1)&&!(a17==1))&&(a16==6))||(((a17==1)&&!(a20==1))&&(a16==4))))))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L288] COND FALSE !((((((((!(a20==1)&&(!(a17==1)&&!(a7==1)))&&(a8==15))&&(a16==6))&&(a21==1))||((((a8==13)&&(((a17==1)&&(a7==1))&&(a20==1)))&&(a16==4))&&!(a21==1)))&&(input==6))&&(a12==8))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L296] COND FALSE !(((!(a7==1)&&(!(a17==1)&&(((((input==3)&&(a21==1))&&(a16==4))&&(a8==15))&&(a12==8))))&&!(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L302] COND FALSE !((((((a12==8)&&(((((a17==1)&&!(a20==1))&&(a16==4))||((((a20==1)&&!(a17==1))&&(a16==5))||((!(a17==1)&&(a20==1))&&(a16==6))))&&(input==3)))&&(a8==15))&&(a21==1))&&!(a7==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L309] COND FALSE !((((!(a7==1)&&(((input==5)&&((((a16==5)&&(!(a17==1)&&(a20==1)))||((a16==6)&&((a20==1)&&!(a17==1))))||((a16==4)&&(!(a20==1)&&(a17==1)))))&&(a12==8)))&&(a21==1))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L316] COND FALSE !(((!(a7==1)&&(((a21==1)&&(((a17==1)&&((a12==8)&&(input==2)))&&!(a20==1)))&&(a16==6)))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L322] COND FALSE !(((!(a17==1)&&((a21==1)&&((!(a20==1)&&((a12==8)&&((input==3)&&!(a7==1))))&&(a8==15))))&&(a16==5))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L326] COND FALSE !((((a16==5)&&(!(a20==1)&&(((((input==6)&&(a21==1))&&(a17==1))&&!(a7==1))&&(a12==8))))&&(a8==15))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L328] COND FALSE !((!(a7==1)&&((a17==1)&&(((a16==6)&&(!(a20==1)&&(((input==6)&&(a12==8))&&(a21==1))))&&(a8==15))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L334] COND FALSE !(((((a21==1)&&((a8==15)&&((a12==8)&&(!(a7==1)&&(!(a17==1)&&(input==2))))))&&(a16==4))&&(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L339] COND FALSE !(((a8==15)&&(((a16==4)&&((a12==8)&&((!(a20==1)&&(!(a7==1)&&(input==1)))&&!(a17==1))))&&(a21==1)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L343] COND FALSE !(((a21==1)&&(((a12==8)&&((((a17==1)&&((input==3)&&((a16==5)||(a16==6))))&&!(a7==1))&&(a20==1)))&&(a8==15)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L347] COND FALSE !((!(a21==1)&&((a20==1)&&(((a12==8)&&((a8==13)&&((((a16==5)&&!(a17==1))||(((a17==1)&&(a16==6))||(!(a17==1)&&(a16==4))))&&(input==2))))&&(a7==1))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L355] COND FALSE !(((a7==1)&&((a12==8)&&((((a20==1)&&(((!(a17==1)&&(a16==5))||(((a17==1)&&(a16==6))||((a16==4)&&!(a17==1))))&&(input==4)))&&(a8==13))&&!(a21==1))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L363] COND FALSE !(((a21==1)&&((((!(a7==1)&&((a8==15)&&(!(a20==1)&&(input==4))))&&(a17==1))&&(a16==5))&&(a12==8)))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L365] COND FALSE !((((!(a7==1)&&((!(a20==1)&&((a21==1)&&((input==3)&&(a17==1))))&&(a8==15)))&&(a12==8))&&(a16==5))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L371] COND FALSE !(((((!(a17==1)&&(!(a20==1)&&((a8==15)&&((input==1)&&(a16==5)))))&&(a12==8))&&(a21==1))&&!(a7==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L373] COND FALSE !(((((a21==1)&&((a8==15)&&(((a16==5)&&((a12==8)&&(input==1)))&&(a17==1))))&&!(a7==1))&&!(a20==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L375] COND FALSE !(((!(a21==1)&&((a20==1)&&((((a8==13)&&((a7==1)&&(input==5)))&&(a17==1))&&(a12==8))))&&(a16==5))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L382] COND FALSE !((((!(a7==1)&&((a21==1)&&((((input==6)&&(a20==1))&&(a8==15))&&!(a17==1))))&&(a12==8))&&(a16==4))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L387] COND FALSE !(((((a20==1)&&(((!(a21==1)&&((a7==1)&&(input==1)))&&(a8==13))&&(a17==1)))&&(a12==8))&&(a16==5))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L392] COND FALSE !(((a12==8)&&((input==5)&&((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==15))&&(a16==6))&&(a21==1))||(!(a21==1)&&((a16==4)&&(((a20==1)&&((a7==1)&&(a17==1)))&&(a8==13)))))))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L401] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L407] COND TRUE ((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1)) VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] [L408] reach_error() VAL [\old(input)=6, a=1, a12=8, a16=4, a17=0, a20=0, a21=1, a7=1, a8=15, b=2, c=3, d=4, e=5, f=6, input=6, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 14, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2097 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2097 mSDsluCounter, 580 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 812 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4848 IncrementalHoareTripleChecker+Invalid, 5660 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 812 mSolverCounterUnsat, 503 mSDtfsCounter, 4848 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=12, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 2373 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2086 NumberOfCodeBlocks, 2086 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1825 ConstructedInterpolants, 0 QuantifiedInterpolants, 4272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 668 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 1105/1121 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 RESULT: Ultimate proved your program to be incorrect! [2022-07-20 22:43:59,193 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE