./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G --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 af706eff0638e64b28329aeb8e4500504f7e95c7ca075a2e2f010d6212db9f23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:27:42,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:27:42,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:27:42,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:27:42,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:27:42,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:27:42,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:27:42,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:27:42,851 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:27:42,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:27:42,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:27:42,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:27:42,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:27:42,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:27:42,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:27:42,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:27:42,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:27:42,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:27:42,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:27:42,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:27:42,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:27:42,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:27:42,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:27:42,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:27:42,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:27:42,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:27:42,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:27:42,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:27:42,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:27:42,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:27:42,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:27:42,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:27:42,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:27:42,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:27:42,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:27:42,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:27:42,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:27:42,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:27:42,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:27:42,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:27:42,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:27:42,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:27:42,918 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:27:42,918 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:27:42,918 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:27:42,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:27:42,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:27:42,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:27:42,920 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:27:42,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:27:42,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:27:42,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:27:42,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:27:42,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:27:42,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:27:42,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:27:42,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:27:42,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:27:42,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:27:42,924 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:27:42,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:27:42,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:27:42,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:27:42,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:27:42,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:27:42,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:27:42,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:27:42,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:27:42,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:27:42,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:27:42,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:27:42,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:27:42,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:27:42,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:27:42,928 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af706eff0638e64b28329aeb8e4500504f7e95c7ca075a2e2f010d6212db9f23 [2021-11-23 13:27:43,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:27:43,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:27:43,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:27:43,287 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:27:43,288 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:27:43,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/eca-rers2012/Problem01_label38.c [2021-11-23 13:27:43,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/data/df11ccd80/c67a4db8f6c0428eb745214806e8951c/FLAG742b33ec6 [2021-11-23 13:27:44,058 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:27:44,060 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/sv-benchmarks/c/eca-rers2012/Problem01_label38.c [2021-11-23 13:27:44,078 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/data/df11ccd80/c67a4db8f6c0428eb745214806e8951c/FLAG742b33ec6 [2021-11-23 13:27:44,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/data/df11ccd80/c67a4db8f6c0428eb745214806e8951c [2021-11-23 13:27:44,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:27:44,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:27:44,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:27:44,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:27:44,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:27:44,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:44" (1/1) ... [2021-11-23 13:27:44,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fdc215a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:44, skipping insertion in model container [2021-11-23 13:27:44,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:27:44" (1/1) ... [2021-11-23 13:27:44,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:27:44,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:27:44,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/sv-benchmarks/c/eca-rers2012/Problem01_label38.c[15751,15764] [2021-11-23 13:27:44,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:27:44,823 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:27:45,007 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/sv-benchmarks/c/eca-rers2012/Problem01_label38.c[15751,15764] [2021-11-23 13:27:45,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:27:45,065 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:27:45,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45 WrapperNode [2021-11-23 13:27:45,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:27:45,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:27:45,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:27:45,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:27:45,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,154 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 13:27:45,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:27:45,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:27:45,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:27:45,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:27:45,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:27:45,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:27:45,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:27:45,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:27:45,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (1/1) ... [2021-11-23 13:27:45,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:27:45,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:27:45,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:27:45,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:27:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:27:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:27:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:27:45,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:27:45,464 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:27:45,466 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:27:46,518 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:27:46,532 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:27:46,532 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:27:46,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:46 BoogieIcfgContainer [2021-11-23 13:27:46,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:27:46,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:27:46,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:27:46,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:27:46,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:27:44" (1/3) ... [2021-11-23 13:27:46,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e9259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:27:46, skipping insertion in model container [2021-11-23 13:27:46,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:27:45" (2/3) ... [2021-11-23 13:27:46,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b6e9259 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:27:46, skipping insertion in model container [2021-11-23 13:27:46,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:46" (3/3) ... [2021-11-23 13:27:46,545 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label38.c [2021-11-23 13:27:46,556 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:27:46,556 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:27:46,609 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:27:46,616 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 13:27:46,616 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:27:46,636 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) [2021-11-23 13:27:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 13:27:46,646 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:46,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:46,647 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:46,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:46,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1553748631, now seen corresponding path program 1 times [2021-11-23 13:27:46,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:46,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555575881] [2021-11-23 13:27:46,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:46,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:27:47,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:47,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555575881] [2021-11-23 13:27:47,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555575881] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:47,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:47,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:27:47,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969023649] [2021-11-23 13:27:47,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:47,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:47,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:47,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:47,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:47,061 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 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:47,777 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2021-11-23 13:27:47,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:47,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2021-11-23 13:27:47,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:47,805 INFO L225 Difference]: With dead ends: 528 [2021-11-23 13:27:47,805 INFO L226 Difference]: Without dead ends: 266 [2021-11-23 13:27:47,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:47,813 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 90 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:47,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [90 Valid, 84 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-23 13:27:47,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2021-11-23 13:27:47,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2021-11-23 13:27:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2021-11-23 13:27:47,877 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 82 [2021-11-23 13:27:47,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:47,878 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2021-11-23 13:27:47,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 2 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2021-11-23 13:27:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-23 13:27:47,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:47,888 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:47,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:27:47,889 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:47,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:47,893 INFO L85 PathProgramCache]: Analyzing trace with hash 952619370, now seen corresponding path program 1 times [2021-11-23 13:27:47,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:47,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739973149] [2021-11-23 13:27:47,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:47,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:27:47,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:47,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739973149] [2021-11-23 13:27:47,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739973149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:47,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:47,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:27:47,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354849207] [2021-11-23 13:27:47,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:47,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:47,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:47,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:47,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:47,973 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 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) [2021-11-23 13:27:48,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:48,419 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2021-11-23 13:27:48,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:48,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 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 88 [2021-11-23 13:27:48,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:48,423 INFO L225 Difference]: With dead ends: 792 [2021-11-23 13:27:48,423 INFO L226 Difference]: Without dead ends: 528 [2021-11-23 13:27:48,425 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:48,426 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 142 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:48,431 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 36 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:27:48,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-11-23 13:27:48,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-11-23 13:27:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3453510436432639) internal successors, (709), 527 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:48,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 709 transitions. [2021-11-23 13:27:48,499 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 709 transitions. Word has length 88 [2021-11-23 13:27:48,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:48,500 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 709 transitions. [2021-11-23 13:27:48,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 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) [2021-11-23 13:27:48,500 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 709 transitions. [2021-11-23 13:27:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-23 13:27:48,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:48,504 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:48,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:27:48,505 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:48,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:48,505 INFO L85 PathProgramCache]: Analyzing trace with hash -1177924502, now seen corresponding path program 1 times [2021-11-23 13:27:48,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:48,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653661214] [2021-11-23 13:27:48,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:48,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:48,644 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:27:48,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:48,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653661214] [2021-11-23 13:27:48,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653661214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:48,645 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:48,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:27:48,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115530376] [2021-11-23 13:27:48,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:48,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:48,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:48,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:48,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:48,648 INFO L87 Difference]: Start difference. First operand 528 states and 709 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:49,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:49,078 INFO L93 Difference]: Finished difference Result 1447 states and 1967 transitions. [2021-11-23 13:27:49,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:49,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2021-11-23 13:27:49,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:49,085 INFO L225 Difference]: With dead ends: 1447 [2021-11-23 13:27:49,085 INFO L226 Difference]: Without dead ends: 921 [2021-11-23 13:27:49,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:49,089 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 61 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:49,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 193 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:27:49,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-11-23 13:27:49,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 790. [2021-11-23 13:27:49,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.2686945500633713) internal successors, (1001), 789 states have internal predecessors, (1001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:49,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1001 transitions. [2021-11-23 13:27:49,129 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1001 transitions. Word has length 89 [2021-11-23 13:27:49,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:49,129 INFO L470 AbstractCegarLoop]: Abstraction has 790 states and 1001 transitions. [2021-11-23 13:27:49,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:49,130 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1001 transitions. [2021-11-23 13:27:49,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 13:27:49,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:49,135 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:49,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 13:27:49,135 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:49,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:49,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1116619781, now seen corresponding path program 1 times [2021-11-23 13:27:49,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:49,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177236204] [2021-11-23 13:27:49,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:49,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:49,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:27:49,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:49,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177236204] [2021-11-23 13:27:49,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177236204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:49,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:49,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:27:49,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349018587] [2021-11-23 13:27:49,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:49,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:49,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:49,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:49,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:49,205 INFO L87 Difference]: Start difference. First operand 790 states and 1001 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:49,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:49,622 INFO L93 Difference]: Finished difference Result 1709 states and 2155 transitions. [2021-11-23 13:27:49,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:49,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 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 90 [2021-11-23 13:27:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:49,627 INFO L225 Difference]: With dead ends: 1709 [2021-11-23 13:27:49,628 INFO L226 Difference]: Without dead ends: 790 [2021-11-23 13:27:49,629 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:49,631 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 137 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:49,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [137 Valid, 60 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:27:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2021-11-23 13:27:49,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2021-11-23 13:27:49,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.149556400506971) internal successors, (907), 789 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:49,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 907 transitions. [2021-11-23 13:27:49,654 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 907 transitions. Word has length 90 [2021-11-23 13:27:49,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:49,655 INFO L470 AbstractCegarLoop]: Abstraction has 790 states and 907 transitions. [2021-11-23 13:27:49,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 2 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 907 transitions. [2021-11-23 13:27:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-23 13:27:49,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:49,661 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:49,661 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 13:27:49,661 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:49,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:49,662 INFO L85 PathProgramCache]: Analyzing trace with hash -309263299, now seen corresponding path program 1 times [2021-11-23 13:27:49,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:49,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314664487] [2021-11-23 13:27:49,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:49,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 13:27:49,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:49,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314664487] [2021-11-23 13:27:49,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314664487] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:49,758 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:49,758 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:27:49,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000375520] [2021-11-23 13:27:49,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:49,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:49,760 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:49,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:49,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:49,764 INFO L87 Difference]: Start difference. First operand 790 states and 907 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:50,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:50,135 INFO L93 Difference]: Finished difference Result 1971 states and 2249 transitions. [2021-11-23 13:27:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:50,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 94 [2021-11-23 13:27:50,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:50,143 INFO L225 Difference]: With dead ends: 1971 [2021-11-23 13:27:50,143 INFO L226 Difference]: Without dead ends: 1183 [2021-11-23 13:27:50,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:50,153 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 127 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:50,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [127 Valid, 46 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:27:50,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-11-23 13:27:50,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2021-11-23 13:27:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1303520456707896) internal successors, (1188), 1051 states have internal predecessors, (1188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:50,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1188 transitions. [2021-11-23 13:27:50,193 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1188 transitions. Word has length 94 [2021-11-23 13:27:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:50,193 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1188 transitions. [2021-11-23 13:27:50,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1188 transitions. [2021-11-23 13:27:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 13:27:50,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:50,201 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:50,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 13:27:50,202 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:50,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:50,205 INFO L85 PathProgramCache]: Analyzing trace with hash -209373307, now seen corresponding path program 1 times [2021-11-23 13:27:50,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:50,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043404791] [2021-11-23 13:27:50,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:50,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:50,293 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 13:27:50,297 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:50,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043404791] [2021-11-23 13:27:50,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043404791] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:50,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:50,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:27:50,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786743576] [2021-11-23 13:27:50,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:50,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:50,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:50,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:50,302 INFO L87 Difference]: Start difference. First operand 1052 states and 1188 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:50,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:50,702 INFO L93 Difference]: Finished difference Result 2757 states and 3106 transitions. [2021-11-23 13:27:50,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:50,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2021-11-23 13:27:50,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:50,712 INFO L225 Difference]: With dead ends: 2757 [2021-11-23 13:27:50,712 INFO L226 Difference]: Without dead ends: 1707 [2021-11-23 13:27:50,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:50,717 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 135 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:50,723 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 13 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:27:50,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2021-11-23 13:27:50,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1314. [2021-11-23 13:27:50,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1313 states have (on average 1.1317593297791317) internal successors, (1486), 1313 states have internal predecessors, (1486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1486 transitions. [2021-11-23 13:27:50,769 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1486 transitions. Word has length 108 [2021-11-23 13:27:50,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:50,770 INFO L470 AbstractCegarLoop]: Abstraction has 1314 states and 1486 transitions. [2021-11-23 13:27:50,770 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:50,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1486 transitions. [2021-11-23 13:27:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-23 13:27:50,773 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:50,773 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:50,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 13:27:50,774 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:50,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1571139521, now seen corresponding path program 1 times [2021-11-23 13:27:50,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:50,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266406769] [2021-11-23 13:27:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:50,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 13:27:50,868 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:50,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266406769] [2021-11-23 13:27:50,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266406769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:50,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:50,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-23 13:27:50,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350923523] [2021-11-23 13:27:50,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:50,870 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:50,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:50,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:50,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:50,871 INFO L87 Difference]: Start difference. First operand 1314 states and 1486 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 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) [2021-11-23 13:27:51,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:51,248 INFO L93 Difference]: Finished difference Result 2757 states and 3124 transitions. [2021-11-23 13:27:51,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:51,249 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 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 124 [2021-11-23 13:27:51,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:51,258 INFO L225 Difference]: With dead ends: 2757 [2021-11-23 13:27:51,258 INFO L226 Difference]: Without dead ends: 1445 [2021-11-23 13:27:51,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:51,262 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 105 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:51,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 44 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:27:51,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2021-11-23 13:27:51,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2021-11-23 13:27:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.128808864265928) internal successors, (1630), 1444 states have internal predecessors, (1630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:51,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1630 transitions. [2021-11-23 13:27:51,302 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1630 transitions. Word has length 124 [2021-11-23 13:27:51,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:51,303 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1630 transitions. [2021-11-23 13:27:51,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 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) [2021-11-23 13:27:51,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1630 transitions. [2021-11-23 13:27:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-23 13:27:51,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:51,306 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:51,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 13:27:51,307 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:51,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash 471270007, now seen corresponding path program 1 times [2021-11-23 13:27:51,310 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:51,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11098632] [2021-11-23 13:27:51,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:51,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 13:27:51,402 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:51,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11098632] [2021-11-23 13:27:51,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11098632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:51,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:51,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:27:51,403 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548569825] [2021-11-23 13:27:51,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:51,404 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 13:27:51,404 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:51,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 13:27:51,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 13:27:51,405 INFO L87 Difference]: Start difference. First operand 1445 states and 1630 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:51,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:51,968 INFO L93 Difference]: Finished difference Result 3412 states and 3836 transitions. [2021-11-23 13:27:51,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:27:51,969 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 128 [2021-11-23 13:27:51,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:51,978 INFO L225 Difference]: With dead ends: 3412 [2021-11-23 13:27:51,979 INFO L226 Difference]: Without dead ends: 1969 [2021-11-23 13:27:51,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 13:27:51,981 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 368 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:51,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [368 Valid, 43 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 13:27:51,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-11-23 13:27:52,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2021-11-23 13:27:52,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1178194607268463) internal successors, (1907), 1706 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1907 transitions. [2021-11-23 13:27:52,024 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1907 transitions. Word has length 128 [2021-11-23 13:27:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:52,025 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1907 transitions. [2021-11-23 13:27:52,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1907 transitions. [2021-11-23 13:27:52,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-23 13:27:52,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:52,029 INFO L514 BasicCegarLoop]: trace histogram [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, 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] [2021-11-23 13:27:52,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 13:27:52,029 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:52,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:52,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1087602540, now seen corresponding path program 1 times [2021-11-23 13:27:52,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:52,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794934105] [2021-11-23 13:27:52,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:52,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:52,112 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 13:27:52,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:52,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794934105] [2021-11-23 13:27:52,112 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794934105] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:27:52,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690890350] [2021-11-23 13:27:52,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:52,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:27:52,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:27:52,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:27:52,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 13:27:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:52,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:27:52,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:27:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-23 13:27:52,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:27:52,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690890350] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:52,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:27:52,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-23 13:27:52,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605054344] [2021-11-23 13:27:52,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:52,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:52,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:52,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:52,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:27:52,607 INFO L87 Difference]: Start difference. First operand 1707 states and 1907 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:53,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:53,010 INFO L93 Difference]: Finished difference Result 3936 states and 4416 transitions. [2021-11-23 13:27:53,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:53,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 145 [2021-11-23 13:27:53,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:53,022 INFO L225 Difference]: With dead ends: 3936 [2021-11-23 13:27:53,022 INFO L226 Difference]: Without dead ends: 2231 [2021-11-23 13:27:53,025 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:27:53,025 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 74 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:53,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [74 Valid, 31 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:27:53,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2021-11-23 13:27:53,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1707. [2021-11-23 13:27:53,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1178194607268463) internal successors, (1907), 1706 states have internal predecessors, (1907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:53,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1907 transitions. [2021-11-23 13:27:53,075 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1907 transitions. Word has length 145 [2021-11-23 13:27:53,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:53,076 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1907 transitions. [2021-11-23 13:27:53,076 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1907 transitions. [2021-11-23 13:27:53,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-23 13:27:53,081 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:53,081 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:53,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:27:53,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:27:53,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:53,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:53,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1361301574, now seen corresponding path program 1 times [2021-11-23 13:27:53,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:53,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689539280] [2021-11-23 13:27:53,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:53,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 101 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:27:53,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:53,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689539280] [2021-11-23 13:27:53,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689539280] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:27:53,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [421189614] [2021-11-23 13:27:53,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:53,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:27:53,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:27:53,539 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:27:53,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 13:27:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:53,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 13:27:53,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:27:54,278 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-11-23 13:27:54,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:27:54,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [421189614] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:54,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:27:54,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-11-23 13:27:54,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945969260] [2021-11-23 13:27:54,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:54,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:54,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:54,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:54,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:27:54,281 INFO L87 Difference]: Start difference. First operand 1707 states and 1907 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:54,654 INFO L93 Difference]: Finished difference Result 3674 states and 4085 transitions. [2021-11-23 13:27:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:54,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 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 181 [2021-11-23 13:27:54,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:54,664 INFO L225 Difference]: With dead ends: 3674 [2021-11-23 13:27:54,665 INFO L226 Difference]: Without dead ends: 1969 [2021-11-23 13:27:54,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-23 13:27:54,668 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 92 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:54,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [92 Valid, 40 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:27:54,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2021-11-23 13:27:54,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2021-11-23 13:27:54,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.1014067995310668) internal successors, (1879), 1706 states have internal predecessors, (1879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1879 transitions. [2021-11-23 13:27:54,716 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1879 transitions. Word has length 181 [2021-11-23 13:27:54,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:54,716 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1879 transitions. [2021-11-23 13:27:54,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1879 transitions. [2021-11-23 13:27:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 13:27:54,721 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:54,721 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:54,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:27:54,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:27:54,941 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:54,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:54,942 INFO L85 PathProgramCache]: Analyzing trace with hash -435769895, now seen corresponding path program 1 times [2021-11-23 13:27:54,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:54,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538660108] [2021-11-23 13:27:54,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:54,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:54,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:55,081 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 13:27:55,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:55,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538660108] [2021-11-23 13:27:55,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538660108] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:27:55,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045814552] [2021-11-23 13:27:55,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:55,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:27:55,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:27:55,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:27:55,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 13:27:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:55,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:27:55,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:27:55,518 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-23 13:27:55,518 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:27:55,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045814552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:55,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:27:55,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-23 13:27:55,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941798697] [2021-11-23 13:27:55,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:55,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:55,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:55,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:55,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:27:55,521 INFO L87 Difference]: Start difference. First operand 1707 states and 1879 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) [2021-11-23 13:27:55,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:55,884 INFO L93 Difference]: Finished difference Result 3543 states and 3910 transitions. [2021-11-23 13:27:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:55,885 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 186 [2021-11-23 13:27:55,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:55,894 INFO L225 Difference]: With dead ends: 3543 [2021-11-23 13:27:55,894 INFO L226 Difference]: Without dead ends: 1838 [2021-11-23 13:27:55,896 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:27:55,897 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:55,897 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 170 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:27:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2021-11-23 13:27:55,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707. [2021-11-23 13:27:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.0849941383352872) internal successors, (1851), 1706 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1851 transitions. [2021-11-23 13:27:55,939 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1851 transitions. Word has length 186 [2021-11-23 13:27:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:55,940 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1851 transitions. [2021-11-23 13:27:55,940 INFO L471 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) [2021-11-23 13:27:55,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1851 transitions. [2021-11-23 13:27:55,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2021-11-23 13:27:55,945 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:55,946 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:55,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:27:56,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-11-23 13:27:56,160 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:56,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:56,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1077961242, now seen corresponding path program 1 times [2021-11-23 13:27:56,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:56,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446703179] [2021-11-23 13:27:56,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:56,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:27:56,270 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-11-23 13:27:56,270 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:27:56,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446703179] [2021-11-23 13:27:56,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446703179] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:27:56,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:27:56,271 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:27:56,271 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467219076] [2021-11-23 13:27:56,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:27:56,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:27:56,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:27:56,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:27:56,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:56,273 INFO L87 Difference]: Start difference. First operand 1707 states and 1851 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:56,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:27:56,637 INFO L93 Difference]: Finished difference Result 3805 states and 4127 transitions. [2021-11-23 13:27:56,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:27:56,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 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 224 [2021-11-23 13:27:56,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:27:56,648 INFO L225 Difference]: With dead ends: 3805 [2021-11-23 13:27:56,648 INFO L226 Difference]: Without dead ends: 2100 [2021-11-23 13:27:56,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 13:27:56,651 INFO L933 BasicCegarLoop]: 174 mSDtfsCounter, 86 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 13:27:56,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [86 Valid, 180 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 13:27:56,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-11-23 13:27:56,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1969. [2021-11-23 13:27:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1969 states, 1968 states have (on average 1.0772357723577235) internal successors, (2120), 1968 states have internal predecessors, (2120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2120 transitions. [2021-11-23 13:27:56,696 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2120 transitions. Word has length 224 [2021-11-23 13:27:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:27:56,696 INFO L470 AbstractCegarLoop]: Abstraction has 1969 states and 2120 transitions. [2021-11-23 13:27:56,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:27:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2120 transitions. [2021-11-23 13:27:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-23 13:27:56,702 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:27:56,703 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:56,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-23 13:27:56,703 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:27:56,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:27:56,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1449554319, now seen corresponding path program 1 times [2021-11-23 13:27:56,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:27:56,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946471355] [2021-11-23 13:27:56,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:27:56,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:27:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:27:56,761 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:27:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:27:56,894 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:27:56,896 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 13:27:56,897 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 13:27:56,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-23 13:27:56,902 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:27:56,906 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:27:57,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:27:57 BoogieIcfgContainer [2021-11-23 13:27:57,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:27:57,109 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:27:57,109 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:27:57,109 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:27:57,110 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:46" (3/4) ... [2021-11-23 13:27:57,111 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 13:27:57,328 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:27:57,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:27:57,329 INFO L158 Benchmark]: Toolchain (without parser) took 13017.66ms. Allocated memory was 92.3MB in the beginning and 199.2MB in the end (delta: 107.0MB). Free memory was 53.6MB in the beginning and 135.7MB in the end (delta: -82.1MB). Peak memory consumption was 108.3MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,329 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:27:57,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 751.55ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 53.4MB in the beginning and 90.7MB in the end (delta: -37.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.18ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 84.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,331 INFO L158 Benchmark]: Boogie Preprocessor took 110.14ms. Allocated memory is still 134.2MB. Free memory was 84.8MB in the beginning and 80.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,331 INFO L158 Benchmark]: RCFGBuilder took 1261.68ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 81.2MB in the end (delta: -499.0kB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,331 INFO L158 Benchmark]: TraceAbstraction took 10571.49ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 80.5MB in the beginning and 53.0MB in the end (delta: 27.5MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,332 INFO L158 Benchmark]: Witness Printer took 218.99ms. Allocated memory is still 199.2MB. Free memory was 53.0MB in the beginning and 135.7MB in the end (delta: -82.7MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2021-11-23 13:27:57,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 71.9MB in the beginning and 71.9MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 751.55ms. Allocated memory was 92.3MB in the beginning and 134.2MB in the end (delta: 41.9MB). Free memory was 53.4MB in the beginning and 90.7MB in the end (delta: -37.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.18ms. Allocated memory is still 134.2MB. Free memory was 90.7MB in the beginning and 84.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.14ms. Allocated memory is still 134.2MB. Free memory was 84.8MB in the beginning and 80.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1261.68ms. Allocated memory is still 134.2MB. Free memory was 80.7MB in the beginning and 81.2MB in the end (delta: -499.0kB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * TraceAbstraction took 10571.49ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 80.5MB in the beginning and 53.0MB in the end (delta: 27.5MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. * Witness Printer took 218.99ms. Allocated memory is still 199.2MB. Free memory was 53.0MB in the beginning and 135.7MB in the end (delta: -82.7MB). Peak memory consumption was 2.2MB. 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: 432]: 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)=6, 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=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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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=6, a17=0, a20=0, a21=1, a7=0, 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 TRUE (((((((!(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)) [L289] a20 = 1 [L290] a8 = 13 [L291] a16 = 4 [L292] a7 = 0 [L293] a21 = 1 [L294] a17 = 0 [L295] return -1; VAL [\old(input)=6, \result=-1, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, 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] [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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L407] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L410] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==6))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L413] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L416] COND FALSE !(((((((!(a17==1)&&(a7==1))&&!(a20==1))&&(a8==15))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L419] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&!(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L422] COND FALSE !(((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L425] COND FALSE !((((((((a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L428] COND FALSE !(((((((!(a17==1)&&(a7==1))&&(a20==1))&&(a8==14))&&(a12==8))&&(a16==5))&&(a21==1))) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L431] COND TRUE ((((((!(a17==1)&&!(a7==1))&&(a20==1))&&(a8==13))&&(a12==8))&&(a16==4))&&(a21==1)) VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, u=21, v=22, w=23, x=24, y=25, z=26] [L432] reach_error() VAL [\old(input)=2, a=1, a12=8, a16=4, a17=0, a20=1, a21=1, a7=0, a8=13, b=2, c=3, d=4, e=5, f=6, input=2, 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: 10.3s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1479 SdHoareTripleChecker+Valid, 4.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1479 mSDsluCounter, 940 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 629 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3962 IncrementalHoareTripleChecker+Invalid, 4591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 629 mSolverCounterUnsat, 874 mSDtfsCounter, 3962 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 542 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1969occurred in iteration=12, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1965 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2297 NumberOfCodeBlocks, 2297 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2036 ConstructedInterpolants, 0 QuantifiedInterpolants, 6760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1007 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1183/1247 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! [2021-11-23 13:27:57,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_416c8537-abf7-4849-93a9-5265c40a1c5e/bin/uautomizer-wIGwrQj20G/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