./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem19_label19.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem19_label19.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 497507965304fa3958b4d8590ba6d10980c500d31bff8080fc78d47954487eca --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:03:26,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:03:26,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:03:26,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:03:26,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:03:26,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:03:26,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:03:26,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:03:26,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:03:26,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:03:26,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:03:26,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:03:26,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:03:26,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:03:26,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:03:26,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:03:26,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:03:26,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:03:26,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:03:26,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:03:26,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:03:26,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:03:26,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:03:26,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:03:26,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:03:26,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:03:26,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:03:26,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:03:26,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:03:26,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:03:26,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:03:26,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:03:26,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:03:26,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:03:26,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:03:26,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:03:26,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:03:26,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:03:26,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:03:26,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:03:26,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:03:26,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:03:26,884 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:03:26,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:03:26,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:03:26,885 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:03:26,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:03:26,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:03:26,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:03:26,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:03:26,887 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:03:26,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:03:26,888 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:03:26,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:03:26,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:03:26,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:03:26,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:03:26,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:03:26,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:03:26,889 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:03:26,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:03:26,889 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:03:26,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:03:26,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:03:26,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:03:26,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:03:26,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:03:26,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:03:26,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:03:26,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:03:26,892 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:03:26,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:03:26,892 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:03:26,892 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:03:26,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:03:26,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 497507965304fa3958b4d8590ba6d10980c500d31bff8080fc78d47954487eca [2022-02-20 16:03:27,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:03:27,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:03:27,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:03:27,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:03:27,139 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:03:27,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem19_label19.c [2022-02-20 16:03:27,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7660cc7/8ae2b562ae084815999bc2a39e519734/FLAGafdf6852c [2022-02-20 16:03:27,971 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:03:27,971 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label19.c [2022-02-20 16:03:28,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7660cc7/8ae2b562ae084815999bc2a39e519734/FLAGafdf6852c [2022-02-20 16:03:28,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f7660cc7/8ae2b562ae084815999bc2a39e519734 [2022-02-20 16:03:28,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:03:28,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:03:28,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:03:28,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:03:28,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:03:28,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:03:28" (1/1) ... [2022-02-20 16:03:28,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28323756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:28, skipping insertion in model container [2022-02-20 16:03:28,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:03:28" (1/1) ... [2022-02-20 16:03:28,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:03:28,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:03:28,675 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label19.c[3491,3504] [2022-02-20 16:03:29,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:03:29,986 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:03:30,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem19_label19.c[3491,3504] [2022-02-20 16:03:30,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:03:30,790 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:03:30,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30 WrapperNode [2022-02-20 16:03:30,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:03:30,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:03:30,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:03:30,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:03:30,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:30,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:31,932 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2022-02-20 16:03:31,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:03:31,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:03:31,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:03:31,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:03:31,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:31,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:03:32,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:03:32,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:03:32,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:03:32,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (1/1) ... [2022-02-20 16:03:32,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:03:32,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:03:32,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:03:32,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:03:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:03:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:03:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:03:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:03:33,046 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:03:33,047 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:03:49,338 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:03:49,365 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:03:49,366 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-20 16:03:49,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:03:49 BoogieIcfgContainer [2022-02-20 16:03:49,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:03:49,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:03:49,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:03:49,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:03:49,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:03:28" (1/3) ... [2022-02-20 16:03:49,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e331f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:03:49, skipping insertion in model container [2022-02-20 16:03:49,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:03:30" (2/3) ... [2022-02-20 16:03:49,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e331f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:03:49, skipping insertion in model container [2022-02-20 16:03:49,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:03:49" (3/3) ... [2022-02-20 16:03:49,377 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem19_label19.c [2022-02-20 16:03:49,383 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:03:49,383 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:03:49,449 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:03:49,467 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 [2022-02-20 16:03:49,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:03:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand has 1748 states, 1746 states have (on average 1.8699885452462772) internal successors, (3265), 1747 states have internal predecessors, (3265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:03:49,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 16:03:49,526 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:03:49,527 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] [2022-02-20 16:03:49,527 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:03:49,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:03:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash -593706766, now seen corresponding path program 1 times [2022-02-20 16:03:49,540 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:03:49,541 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362512733] [2022-02-20 16:03:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:03:49,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:03:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:03:49,822 INFO L290 TraceCheckUtils]: 0: Hoare triple {1751#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~inputA~0 := 1;~inputF~0 := 6;~inputC~0 := 3;~inputE~0 := 5;~inputD~0 := 4;~inputB~0 := 2;~a27~0 := -83;~a9~0 := 3;~a14~0 := -162;~a21~0 := -189;~a8~0 := 7; {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,823 INFO L290 TraceCheckUtils]: 1: Hoare triple {1753#(<= 7 ~a8~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~ret17#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,823 INFO L290 TraceCheckUtils]: 2: Hoare triple {1753#(<= 7 ~a8~0)} assume !false;havoc main_~input~0#1;assume -2147483648 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 2147483647;main_~input~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,824 INFO L290 TraceCheckUtils]: 3: Hoare triple {1753#(<= 7 ~a8~0)} assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret11#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,825 INFO L290 TraceCheckUtils]: 4: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,826 INFO L290 TraceCheckUtils]: 5: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,826 INFO L290 TraceCheckUtils]: 6: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,827 INFO L290 TraceCheckUtils]: 7: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && ~a21~0 <= -178); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,827 INFO L290 TraceCheckUtils]: 8: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 5 == ~a9~0) && 5 < ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,828 INFO L290 TraceCheckUtils]: 9: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,828 INFO L290 TraceCheckUtils]: 10: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 2 == ~a9~0) && 5 < ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,829 INFO L290 TraceCheckUtils]: 11: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && 5 < ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,833 INFO L290 TraceCheckUtils]: 12: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && 5 < ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,834 INFO L290 TraceCheckUtils]: 13: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,834 INFO L290 TraceCheckUtils]: 14: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,835 INFO L290 TraceCheckUtils]: 15: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,836 INFO L290 TraceCheckUtils]: 16: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,836 INFO L290 TraceCheckUtils]: 17: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 5 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,838 INFO L290 TraceCheckUtils]: 18: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,838 INFO L290 TraceCheckUtils]: 19: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,839 INFO L290 TraceCheckUtils]: 20: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && ~a21~0 <= -178); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,839 INFO L290 TraceCheckUtils]: 21: Hoare triple {1753#(<= 7 ~a8~0)} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 6 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {1753#(<= 7 ~a8~0)} is VALID [2022-02-20 16:03:49,840 INFO L290 TraceCheckUtils]: 22: Hoare triple {1753#(<= 7 ~a8~0)} assume (((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && ~a21~0 <= -178; {1752#false} is VALID [2022-02-20 16:03:49,840 INFO L290 TraceCheckUtils]: 23: Hoare triple {1752#false} assume !false; {1752#false} is VALID [2022-02-20 16:03:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:03:49,842 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:03:49,842 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362512733] [2022-02-20 16:03:49,843 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362512733] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:03:49,843 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:03:49,843 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:03:49,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209612865] [2022-02-20 16:03:49,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:03:49,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-02-20 16:03:49,853 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:03:49,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:03:49,887 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:03:49,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 16:03:49,888 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:03:49,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 16:03:49,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 16:03:49,919 INFO L87 Difference]: Start difference. First operand has 1748 states, 1746 states have (on average 1.8699885452462772) internal successors, (3265), 1747 states have internal predecessors, (3265), 0 states have call successors, (0), 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 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:03,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:04:03,286 INFO L93 Difference]: Finished difference Result 4919 states and 9313 transitions. [2022-02-20 16:04:03,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 16:04:03,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-02-20 16:04:03,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:04:03,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:03,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9313 transitions. [2022-02-20 16:04:03,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9313 transitions. [2022-02-20 16:04:03,427 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 9313 transitions. [2022-02-20 16:04:10,607 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 9313 edges. 9313 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:04:11,142 INFO L225 Difference]: With dead ends: 4919 [2022-02-20 16:04:11,142 INFO L226 Difference]: Without dead ends: 3107 [2022-02-20 16:04:11,151 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 [2022-02-20 16:04:11,153 INFO L933 BasicCegarLoop]: 1276 mSDtfsCounter, 1529 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 4638 mSolverCounterSat, 1110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 5748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1110 IncrementalHoareTripleChecker+Valid, 4638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-02-20 16:04:11,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1529 Valid, 1457 Invalid, 5748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1110 Valid, 4638 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-02-20 16:04:11,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2022-02-20 16:04:11,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3106. [2022-02-20 16:04:11,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:04:11,349 INFO L82 GeneralOperation]: Start isEquivalent. First operand 3107 states. Second operand has 3106 states, 3105 states have (on average 1.652818035426731) internal successors, (5132), 3105 states have internal predecessors, (5132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:11,356 INFO L74 IsIncluded]: Start isIncluded. First operand 3107 states. Second operand has 3106 states, 3105 states have (on average 1.652818035426731) internal successors, (5132), 3105 states have internal predecessors, (5132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:11,362 INFO L87 Difference]: Start difference. First operand 3107 states. Second operand has 3106 states, 3105 states have (on average 1.652818035426731) internal successors, (5132), 3105 states have internal predecessors, (5132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:11,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:04:11,740 INFO L93 Difference]: Finished difference Result 3107 states and 5134 transitions. [2022-02-20 16:04:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 5134 transitions. [2022-02-20 16:04:11,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:04:11,754 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:04:11,763 INFO L74 IsIncluded]: Start isIncluded. First operand has 3106 states, 3105 states have (on average 1.652818035426731) internal successors, (5132), 3105 states have internal predecessors, (5132), 0 states have call successors, (0), 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 3107 states. [2022-02-20 16:04:11,770 INFO L87 Difference]: Start difference. First operand has 3106 states, 3105 states have (on average 1.652818035426731) internal successors, (5132), 3105 states have internal predecessors, (5132), 0 states have call successors, (0), 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 3107 states. [2022-02-20 16:04:12,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:04:12,175 INFO L93 Difference]: Finished difference Result 3107 states and 5134 transitions. [2022-02-20 16:04:12,175 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 5134 transitions. [2022-02-20 16:04:12,181 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:04:12,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:04:12,182 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:04:12,182 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:04:12,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 3105 states have (on average 1.652818035426731) internal successors, (5132), 3105 states have internal predecessors, (5132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 5132 transitions. [2022-02-20 16:04:12,546 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 5132 transitions. Word has length 24 [2022-02-20 16:04:12,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:04:12,547 INFO L470 AbstractCegarLoop]: Abstraction has 3106 states and 5132 transitions. [2022-02-20 16:04:12,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 5132 transitions. [2022-02-20 16:04:12,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-02-20 16:04:12,549 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:04:12,549 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 16:04:12,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:04:12,550 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:04:12,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:04:12,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1090988298, now seen corresponding path program 1 times [2022-02-20 16:04:12,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:04:12,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016653648] [2022-02-20 16:04:12,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:04:12,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:04:12,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:04:12,798 INFO L290 TraceCheckUtils]: 0: Hoare triple {16033#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~inputA~0 := 1;~inputF~0 := 6;~inputC~0 := 3;~inputE~0 := 5;~inputD~0 := 4;~inputB~0 := 2;~a27~0 := -83;~a9~0 := 3;~a14~0 := -162;~a21~0 := -189;~a8~0 := 7; {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,799 INFO L290 TraceCheckUtils]: 1: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet16#1, main_#t~ret17#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,800 INFO L290 TraceCheckUtils]: 2: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !false;havoc main_~input~0#1;assume -2147483648 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 2147483647;main_~input~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,801 INFO L290 TraceCheckUtils]: 3: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret11#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,801 INFO L290 TraceCheckUtils]: 4: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,802 INFO L290 TraceCheckUtils]: 5: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,803 INFO L290 TraceCheckUtils]: 6: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,803 INFO L290 TraceCheckUtils]: 7: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && ~a21~0 <= -178); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,804 INFO L290 TraceCheckUtils]: 8: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 5 == ~a9~0) && 5 < ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,804 INFO L290 TraceCheckUtils]: 9: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,805 INFO L290 TraceCheckUtils]: 10: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 2 == ~a9~0) && 5 < ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,806 INFO L290 TraceCheckUtils]: 11: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && 5 < ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,806 INFO L290 TraceCheckUtils]: 12: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && 5 < ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,807 INFO L290 TraceCheckUtils]: 13: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,809 INFO L290 TraceCheckUtils]: 14: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,809 INFO L290 TraceCheckUtils]: 15: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,810 INFO L290 TraceCheckUtils]: 16: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,811 INFO L290 TraceCheckUtils]: 17: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 5 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,811 INFO L290 TraceCheckUtils]: 18: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,812 INFO L290 TraceCheckUtils]: 19: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,813 INFO L290 TraceCheckUtils]: 20: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && ~a21~0 <= -178); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,813 INFO L290 TraceCheckUtils]: 21: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 6 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,814 INFO L290 TraceCheckUtils]: 22: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && ~a21~0 <= -178); {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} is VALID [2022-02-20 16:04:12,815 INFO L290 TraceCheckUtils]: 23: Hoare triple {16035#(and (<= (+ ~a21~0 189) 0) (= (+ (- 7) ~a8~0) 0) (<= (+ ~a27~0 83) 0) (<= (+ ~a14~0 162) 0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 7 == ~a8~0) && 2 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,816 INFO L290 TraceCheckUtils]: 24: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,820 INFO L290 TraceCheckUtils]: 25: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 5 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,821 INFO L290 TraceCheckUtils]: 26: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 2 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,821 INFO L290 TraceCheckUtils]: 27: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 5 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,822 INFO L290 TraceCheckUtils]: 28: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 6 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,827 INFO L290 TraceCheckUtils]: 29: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 2 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,828 INFO L290 TraceCheckUtils]: 30: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,828 INFO L290 TraceCheckUtils]: 31: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,829 INFO L290 TraceCheckUtils]: 32: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 2 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,829 INFO L290 TraceCheckUtils]: 33: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 6 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,829 INFO L290 TraceCheckUtils]: 34: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 3 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,830 INFO L290 TraceCheckUtils]: 35: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 6 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,830 INFO L290 TraceCheckUtils]: 36: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 5 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,831 INFO L290 TraceCheckUtils]: 37: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 3 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,831 INFO L290 TraceCheckUtils]: 38: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 3 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,832 INFO L290 TraceCheckUtils]: 39: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 6 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,832 INFO L290 TraceCheckUtils]: 40: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 2 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,833 INFO L290 TraceCheckUtils]: 41: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 3 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,833 INFO L290 TraceCheckUtils]: 42: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 5 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,834 INFO L290 TraceCheckUtils]: 43: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,834 INFO L290 TraceCheckUtils]: 44: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,834 INFO L290 TraceCheckUtils]: 45: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,835 INFO L290 TraceCheckUtils]: 46: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,835 INFO L290 TraceCheckUtils]: 47: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 2 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,836 INFO L290 TraceCheckUtils]: 48: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,836 INFO L290 TraceCheckUtils]: 49: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,837 INFO L290 TraceCheckUtils]: 50: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 6 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,837 INFO L290 TraceCheckUtils]: 51: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 4 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,837 INFO L290 TraceCheckUtils]: 52: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 4 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,838 INFO L290 TraceCheckUtils]: 53: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,838 INFO L290 TraceCheckUtils]: 54: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,839 INFO L290 TraceCheckUtils]: 55: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 6 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,839 INFO L290 TraceCheckUtils]: 56: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 3 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,840 INFO L290 TraceCheckUtils]: 57: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 6 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,840 INFO L290 TraceCheckUtils]: 58: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 3 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,841 INFO L290 TraceCheckUtils]: 59: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 5 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,841 INFO L290 TraceCheckUtils]: 60: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 2 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,841 INFO L290 TraceCheckUtils]: 61: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,842 INFO L290 TraceCheckUtils]: 62: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 2 == ~a9~0) && 5 < ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,842 INFO L290 TraceCheckUtils]: 63: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,843 INFO L290 TraceCheckUtils]: 64: Hoare triple {16036#(not (= 2 ~a9~0))} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 5 == ~a9~0) && ~a21~0 <= -178); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,843 INFO L290 TraceCheckUtils]: 65: Hoare triple {16036#(not (= 2 ~a9~0))} assume !(((~a14~0 <= -148 && (2 == calculate_output_~input#1 && ~a21~0 <= -178) && 4 == ~a8~0) && 100 < ~a27~0 && 182 >= ~a27~0) && 3 == ~a9~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,844 INFO L290 TraceCheckUtils]: 66: Hoare triple {16036#(not (= 2 ~a9~0))} assume !(((-78 < ~a27~0 && 100 >= ~a27~0) && ((2 == calculate_output_~input#1 && ~a14~0 <= -148) && 2 == ~a9~0) && 4 == ~a8~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16036#(not (= 2 ~a9~0))} is VALID [2022-02-20 16:04:12,844 INFO L290 TraceCheckUtils]: 67: Hoare triple {16036#(not (= 2 ~a9~0))} assume (-148 < ~a14~0 && 13 >= ~a14~0) && ~a21~0 <= -178 && 2 == ~a9~0 && (~a27~0 <= -78 && 6 == calculate_output_~input#1) && 7 == ~a8~0; {16034#false} is VALID [2022-02-20 16:04:12,844 INFO L290 TraceCheckUtils]: 68: Hoare triple {16034#false} assume -178 < ~a21~0 && -144 >= ~a21~0;~a14~0 := (if -1 * (1108700 + (-530871 + ~a14~0 - 11167)) < 0 && 0 != -1 * (1108700 + (-530871 + ~a14~0 - 11167)) % 10 then 1 + -1 * (1108700 + (-530871 + ~a14~0 - 11167)) / 10 else -1 * (1108700 + (-530871 + ~a14~0 - 11167)) / 10);~a27~0 := (if (if ~a27~0 - -152125 < 0 && 0 != (~a27~0 - -152125) % 299908 then (~a27~0 - -152125) % 299908 - 299908 else (~a27~0 - -152125) % 299908) - -300090 < 0 && 0 != ((if ~a27~0 - -152125 < 0 && 0 != (~a27~0 - -152125) % 299908 then (~a27~0 - -152125) % 299908 - 299908 else (~a27~0 - -152125) % 299908) - -300090) % 5 then 1 + ((if ~a27~0 - -152125 < 0 && 0 != (~a27~0 - -152125) % 299908 then (~a27~0 - -152125) % 299908 - 299908 else (~a27~0 - -152125) % 299908) - -300090) / 5 else ((if ~a27~0 - -152125 < 0 && 0 != (~a27~0 - -152125) % 299908 then (~a27~0 - -152125) % 299908 - 299908 else (~a27~0 - -152125) % 299908) - -300090) / 5) - -133461;~a8~0 := 6;~a9~0 := 3; {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 69: Hoare triple {16034#false} calculate_output_#res#1 := -1; {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 70: Hoare triple {16034#false} main_#t~ret17#1 := calculate_output_#res#1;assume { :end_inline_calculate_output } true;assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_~output~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1; {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 71: Hoare triple {16034#false} assume !false;havoc main_~input~0#1;assume -2147483648 <= main_#t~nondet16#1 && main_#t~nondet16#1 <= 2147483647;main_~input~0#1 := main_#t~nondet16#1;havoc main_#t~nondet16#1; {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 72: Hoare triple {16034#false} assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret11#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 73: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 74: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 75: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,845 INFO L290 TraceCheckUtils]: 76: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 5 == ~a9~0) && ~a21~0 <= -178); {16034#false} is VALID [2022-02-20 16:04:12,846 INFO L290 TraceCheckUtils]: 77: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 5 == ~a9~0) && 5 < ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,846 INFO L290 TraceCheckUtils]: 78: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,846 INFO L290 TraceCheckUtils]: 79: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 2 == ~a9~0) && 5 < ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,846 INFO L290 TraceCheckUtils]: 80: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && 5 < ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,846 INFO L290 TraceCheckUtils]: 81: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && 5 < ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,847 INFO L290 TraceCheckUtils]: 82: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && ~a21~0 <= -178); {16034#false} is VALID [2022-02-20 16:04:12,847 INFO L290 TraceCheckUtils]: 83: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 4 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,847 INFO L290 TraceCheckUtils]: 84: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,847 INFO L290 TraceCheckUtils]: 85: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 4 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,848 INFO L290 TraceCheckUtils]: 86: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 5 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,848 INFO L290 TraceCheckUtils]: 87: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 3 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,848 INFO L290 TraceCheckUtils]: 88: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && -144 < ~a21~0 && 5 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,848 INFO L290 TraceCheckUtils]: 89: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 6 == ~a8~0) && 6 == ~a9~0) && ~a21~0 <= -178); {16034#false} is VALID [2022-02-20 16:04:12,849 INFO L290 TraceCheckUtils]: 90: Hoare triple {16034#false} assume !((((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 6 == ~a9~0) && -178 < ~a21~0 && -144 >= ~a21~0); {16034#false} is VALID [2022-02-20 16:04:12,849 INFO L290 TraceCheckUtils]: 91: Hoare triple {16034#false} assume (((~a14~0 <= -148 && ~a27~0 <= -78) && 5 == ~a8~0) && 2 == ~a9~0) && ~a21~0 <= -178; {16034#false} is VALID [2022-02-20 16:04:12,849 INFO L290 TraceCheckUtils]: 92: Hoare triple {16034#false} assume !false; {16034#false} is VALID [2022-02-20 16:04:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:04:12,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:04:12,851 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016653648] [2022-02-20 16:04:12,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016653648] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:04:12,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:04:12,851 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 16:04:12,851 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810434583] [2022-02-20 16:04:12,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:04:12,853 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-02-20 16:04:12,853 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:04:12,853 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:04:12,926 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 93 edges. 93 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:04:12,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 16:04:12,926 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:04:12,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 16:04:12,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 16:04:12,927 INFO L87 Difference]: Start difference. First operand 3106 states and 5132 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)