./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/mods.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-fpi/mods.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 f15d84a1f588b4a2fae1a1f53311fed1d9572550b31409f886696465cdc8f8ba --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 10:03:50,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:03:50,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:03:50,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:03:50,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:03:50,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:03:50,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:03:50,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:03:50,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:03:50,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:03:50,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:03:50,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:03:50,908 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:03:50,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:03:50,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:03:50,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:03:50,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:03:50,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:03:50,916 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:03:50,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:03:50,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:03:50,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:03:50,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:03:50,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:03:50,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:03:50,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:03:50,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:03:50,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:03:50,935 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:03:50,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:03:50,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:03:50,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:03:50,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:03:50,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:03:50,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:03:50,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:03:50,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:03:50,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:03:50,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:03:50,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:03:50,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:03:50,946 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 10:03:50,981 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:03:50,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:03:50,982 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:03:50,982 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:03:50,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:03:50,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:03:50,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:03:50,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:03:50,984 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:03:50,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:03:50,985 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:03:50,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 10:03:50,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:03:50,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:03:50,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:03:50,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:03:50,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:03:50,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:03:50,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:03:50,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:03:50,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:03:50,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:03:50,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 10:03:50,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 10:03:50,988 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:03:50,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:03:50,989 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:03:50,989 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:03:50,989 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:03:50,989 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f15d84a1f588b4a2fae1a1f53311fed1d9572550b31409f886696465cdc8f8ba [2023-02-15 10:03:51,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:03:51,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:03:51,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:03:51,280 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:03:51,280 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:03:51,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/mods.c [2023-02-15 10:03:52,401 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:03:52,586 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:03:52,587 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/mods.c [2023-02-15 10:03:52,605 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6cd0eff6/da10dbfb5ceb496a96105a182517d561/FLAGd706ff3af [2023-02-15 10:03:52,617 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6cd0eff6/da10dbfb5ceb496a96105a182517d561 [2023-02-15 10:03:52,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:03:52,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:03:52,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:03:52,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:03:52,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:03:52,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d775b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52, skipping insertion in model container [2023-02-15 10:03:52,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:03:52,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:03:52,757 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/mods.c[587,600] [2023-02-15 10:03:52,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:03:52,779 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:03:52,789 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/mods.c[587,600] [2023-02-15 10:03:52,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:03:52,808 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:03:52,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52 WrapperNode [2023-02-15 10:03:52,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:03:52,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:03:52,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:03:52,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:03:52,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,834 INFO L138 Inliner]: procedures = 17, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 104 [2023-02-15 10:03:52,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:03:52,835 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:03:52,835 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:03:52,835 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:03:52,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,853 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:03:52,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:03:52,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:03:52,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:03:52,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (1/1) ... [2023-02-15 10:03:52,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:03:52,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:03:52,890 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) [2023-02-15 10:03:52,898 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 [2023-02-15 10:03:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:03:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 10:03:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 10:03:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 10:03:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 10:03:52,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:03:52,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:03:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 10:03:52,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 10:03:53,055 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:03:53,057 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:03:53,321 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:03:53,327 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:03:53,327 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-02-15 10:03:53,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:03:53 BoogieIcfgContainer [2023-02-15 10:03:53,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:03:53,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:03:53,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:03:53,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:03:53,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:03:52" (1/3) ... [2023-02-15 10:03:53,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2c35ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:03:53, skipping insertion in model container [2023-02-15 10:03:53,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:03:52" (2/3) ... [2023-02-15 10:03:53,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2c35ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:03:53, skipping insertion in model container [2023-02-15 10:03:53,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:03:53" (3/3) ... [2023-02-15 10:03:53,339 INFO L112 eAbstractionObserver]: Analyzing ICFG mods.c [2023-02-15 10:03:53,354 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:03:53,355 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:03:53,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:03:53,413 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@45ebbf80, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:03:53,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:03:53,417 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 10:03:53,425 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:03:53,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:03:53,427 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:03:53,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:03:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1389277550, now seen corresponding path program 1 times [2023-02-15 10:03:53,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:03:53,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619486775] [2023-02-15 10:03:53,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:53,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:03:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:03:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:03:53,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:03:53,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619486775] [2023-02-15 10:03:53,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619486775] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:03:53,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:03:53,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 10:03:53,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334016331] [2023-02-15 10:03:53,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:03:53,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 10:03:53,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:03:53,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 10:03:53,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 10:03:53,656 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.56) internal successors, (39), 26 states have internal predecessors, (39), 0 states have call successors, (0), 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 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:03:53,671 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2023-02-15 10:03:53,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 10:03:53,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2023-02-15 10:03:53,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:03:53,679 INFO L225 Difference]: With dead ends: 50 [2023-02-15 10:03:53,680 INFO L226 Difference]: Without dead ends: 23 [2023-02-15 10:03:53,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 10:03:53,687 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 10:03:53,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 10:03:53,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-15 10:03:53,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-15 10:03:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2023-02-15 10:03:53,720 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 16 [2023-02-15 10:03:53,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:03:53,721 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2023-02-15 10:03:53,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,722 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-02-15 10:03:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 10:03:53,723 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:03:53,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:03:53,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 10:03:53,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:03:53,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:03:53,725 INFO L85 PathProgramCache]: Analyzing trace with hash 796930410, now seen corresponding path program 1 times [2023-02-15 10:03:53,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:03:53,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508520545] [2023-02-15 10:03:53,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:53,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:03:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:03:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:03:53,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:03:53,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508520545] [2023-02-15 10:03:53,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508520545] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:03:53,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:03:53,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 10:03:53,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78036981] [2023-02-15 10:03:53,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:03:53,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 10:03:53,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:03:53,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 10:03:53,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 10:03:53,858 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:03:53,941 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2023-02-15 10:03:53,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 10:03:53,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2023-02-15 10:03:53,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:03:53,944 INFO L225 Difference]: With dead ends: 53 [2023-02-15 10:03:53,944 INFO L226 Difference]: Without dead ends: 37 [2023-02-15 10:03:53,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 10:03:53,946 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 45 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:03:53,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 17 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:03:53,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-15 10:03:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 27. [2023-02-15 10:03:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-02-15 10:03:53,958 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16 [2023-02-15 10:03:53,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:03:53,960 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-02-15 10:03:53,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-02-15 10:03:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-15 10:03:53,962 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:03:53,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:03:53,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 10:03:53,963 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:03:53,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:03:53,968 INFO L85 PathProgramCache]: Analyzing trace with hash 495241442, now seen corresponding path program 1 times [2023-02-15 10:03:53,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:03:53,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401407545] [2023-02-15 10:03:53,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:53,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:03:54,021 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 10:03:54,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781695204] [2023-02-15 10:03:54,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:54,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:03:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:03:54,066 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:03:54,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 10:03:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:03:54,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 51 conjunts are in the unsatisfiable core [2023-02-15 10:03:54,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:03:54,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 10:03:54,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-15 10:03:54,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-02-15 10:03:54,405 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2023-02-15 10:03:54,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2023-02-15 10:03:54,598 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 418 treesize of output 225 [2023-02-15 10:03:54,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2023-02-15 10:03:54,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:03:54,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:03:55,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:03:55,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:03:55,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401407545] [2023-02-15 10:03:55,320 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 10:03:55,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781695204] [2023-02-15 10:03:55,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781695204] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:03:55,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 10:03:55,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2023-02-15 10:03:55,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489477139] [2023-02-15 10:03:55,322 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 10:03:55,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-02-15 10:03:55,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:03:55,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-02-15 10:03:55,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=425, Unknown=0, NotChecked=0, Total=506 [2023-02-15 10:03:55,324 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:58,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:03:58,249 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2023-02-15 10:03:58,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-02-15 10:03:58,250 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 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 [2023-02-15 10:03:58,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:03:58,251 INFO L225 Difference]: With dead ends: 81 [2023-02-15 10:03:58,251 INFO L226 Difference]: Without dead ends: 79 [2023-02-15 10:03:58,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 521 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=381, Invalid=2069, Unknown=0, NotChecked=0, Total=2450 [2023-02-15 10:03:58,254 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 171 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-02-15 10:03:58,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 183 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-02-15 10:03:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-02-15 10:03:58,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 44. [2023-02-15 10:03:58,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:58,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2023-02-15 10:03:58,264 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 24 [2023-02-15 10:03:58,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:03:58,264 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2023-02-15 10:03:58,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2023-02-15 10:03:58,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-02-15 10:03:58,265 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:03:58,266 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:03:58,272 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 10:03:58,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:03:58,472 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:03:58,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:03:58,473 INFO L85 PathProgramCache]: Analyzing trace with hash 775449632, now seen corresponding path program 2 times [2023-02-15 10:03:58,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:03:58,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115966686] [2023-02-15 10:03:58,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:58,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:03:58,499 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 10:03:58,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164398612] [2023-02-15 10:03:58,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-15 10:03:58,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:03:58,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:03:58,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:03:58,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-15 10:03:58,582 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-15 10:03:58,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 10:03:58,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 10:03:58,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:03:58,631 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 10:03:58,631 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:03:58,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-15 10:03:58,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:03:58,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115966686] [2023-02-15 10:03:58,667 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 10:03:58,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164398612] [2023-02-15 10:03:58,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164398612] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:03:58,668 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 10:03:58,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-02-15 10:03:58,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953809599] [2023-02-15 10:03:58,669 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 10:03:58,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-15 10:03:58,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:03:58,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-15 10:03:58,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-02-15 10:03:58,672 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:58,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:03:58,890 INFO L93 Difference]: Finished difference Result 108 states and 128 transitions. [2023-02-15 10:03:58,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 10:03:58,891 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 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 26 [2023-02-15 10:03:58,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:03:58,895 INFO L225 Difference]: With dead ends: 108 [2023-02-15 10:03:58,895 INFO L226 Difference]: Without dead ends: 80 [2023-02-15 10:03:58,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2023-02-15 10:03:58,902 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 76 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-15 10:03:58,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 63 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-15 10:03:58,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-15 10:03:58,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 58. [2023-02-15 10:03:58,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 57 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:58,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2023-02-15 10:03:58,927 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 26 [2023-02-15 10:03:58,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:03:58,927 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2023-02-15 10:03:58,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 9 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:58,928 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-02-15 10:03:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-15 10:03:58,932 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:03:58,932 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:03:58,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-15 10:03:59,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-02-15 10:03:59,138 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:03:59,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:03:59,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1411307230, now seen corresponding path program 3 times [2023-02-15 10:03:59,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:03:59,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610800325] [2023-02-15 10:03:59,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:03:59,160 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 10:03:59,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653814878] [2023-02-15 10:03:59,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-15 10:03:59,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:03:59,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:03:59,162 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:03:59,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-15 10:03:59,270 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-02-15 10:03:59,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 10:03:59,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2023-02-15 10:03:59,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:03:59,320 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 10:03:59,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:03:59,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-15 10:03:59,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:03:59,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610800325] [2023-02-15 10:03:59,358 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 10:03:59,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653814878] [2023-02-15 10:03:59,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653814878] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:03:59,358 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 10:03:59,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2023-02-15 10:03:59,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185040547] [2023-02-15 10:03:59,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 10:03:59,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-15 10:03:59,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:03:59,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-15 10:03:59,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-02-15 10:03:59,360 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:59,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:03:59,493 INFO L93 Difference]: Finished difference Result 101 states and 114 transitions. [2023-02-15 10:03:59,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-15 10:03:59,494 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 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 28 [2023-02-15 10:03:59,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:03:59,496 INFO L225 Difference]: With dead ends: 101 [2023-02-15 10:03:59,496 INFO L226 Difference]: Without dead ends: 51 [2023-02-15 10:03:59,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-02-15 10:03:59,499 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 38 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 10:03:59,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 53 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 10:03:59,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-02-15 10:03:59,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 35. [2023-02-15 10:03:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 39 transitions. [2023-02-15 10:03:59,510 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 39 transitions. Word has length 28 [2023-02-15 10:03:59,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:03:59,511 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 39 transitions. [2023-02-15 10:03:59,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:03:59,511 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-02-15 10:03:59,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-02-15 10:03:59,512 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:03:59,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:03:59,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-15 10:03:59,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:03:59,718 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:03:59,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:03:59,718 INFO L85 PathProgramCache]: Analyzing trace with hash -826292134, now seen corresponding path program 4 times [2023-02-15 10:03:59,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:03:59,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827150772] [2023-02-15 10:03:59,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:03:59,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:03:59,739 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-15 10:03:59,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752584834] [2023-02-15 10:03:59,740 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-02-15 10:03:59,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 10:03:59,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:03:59,741 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 10:03:59,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-15 10:03:59,899 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-02-15 10:03:59,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-15 10:03:59,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 74 conjunts are in the unsatisfiable core [2023-02-15 10:03:59,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 10:03:59,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-02-15 10:03:59,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-02-15 10:03:59,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2023-02-15 10:03:59,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2023-02-15 10:04:00,160 INFO L321 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2023-02-15 10:04:00,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 56 treesize of output 53 [2023-02-15 10:04:00,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,267 INFO L321 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2023-02-15 10:04:00,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 60 [2023-02-15 10:04:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,505 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:04:00,506 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:04:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,508 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:04:00,528 INFO L321 Elim1Store]: treesize reduction 48, result has 22.6 percent of original size [2023-02-15 10:04:00,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 72 treesize of output 81 [2023-02-15 10:04:00,655 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:04:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,661 INFO L321 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-02-15 10:04:00,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 71 treesize of output 57 [2023-02-15 10:04:00,787 INFO L173 IndexEqualityManager]: detected equality via solver [2023-02-15 10:04:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,808 INFO L321 Elim1Store]: treesize reduction 32, result has 25.6 percent of original size [2023-02-15 10:04:00,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 297 treesize of output 153 [2023-02-15 10:04:00,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-02-15 10:04:00,951 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-02-15 10:04:00,951 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 43 [2023-02-15 10:04:01,048 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-02-15 10:04:01,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 27 [2023-02-15 10:04:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:04:01,074 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 10:04:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 10:04:12,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:04:12,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827150772] [2023-02-15 10:04:12,487 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-15 10:04:12,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752584834] [2023-02-15 10:04:12,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752584834] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-15 10:04:12,487 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-15 10:04:12,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 46 [2023-02-15 10:04:12,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823444818] [2023-02-15 10:04:12,487 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-15 10:04:12,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2023-02-15 10:04:12,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:04:12,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2023-02-15 10:04:12,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1792, Unknown=0, NotChecked=0, Total=2070 [2023-02-15 10:04:12,489 INFO L87 Difference]: Start difference. First operand 35 states and 39 transitions. Second operand has 46 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:04:31,912 WARN L233 SmtUtils]: Spent 6.55s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:04:33,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-02-15 10:05:09,214 WARN L233 SmtUtils]: Spent 10.48s on a formula simplification that was a NOOP. DAG size: 118 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:05:12,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-02-15 10:05:15,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-02-15 10:05:24,893 WARN L233 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:06:31,507 WARN L233 SmtUtils]: Spent 26.79s on a formula simplification. DAG size of input: 172 DAG size of output: 106 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:07:16,746 WARN L233 SmtUtils]: Spent 25.74s on a formula simplification. DAG size of input: 160 DAG size of output: 107 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:07:26,829 WARN L233 SmtUtils]: Spent 6.27s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:07:38,813 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0, 1] [2023-02-15 10:07:54,965 WARN L233 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 149 DAG size of output: 133 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-02-15 10:07:57,241 WARN L859 $PredicateComparison]: unable to prove that (let ((.cse44 (* 8 |c_ULTIMATE.start_main_~i~0#1|))) (let ((.cse12 (+ .cse44 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse8 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base|)) (.cse11 (select |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse25 (+ .cse44 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse7 (select .cse11 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse3 (+ 8 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse5 (select .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset|)) (.cse32 (select .cse11 .cse12))) (let ((.cse13 (+ .cse5 .cse32)) (.cse36 (select .cse11 .cse3)) (.cse9 (+ .cse5 .cse7)) (.cse27 (+ .cse5 1)) (.cse33 (< (+ 2 |c_ULTIMATE.start_main_~i~0#1|) c_~N~0)) (.cse34 (not (< (+ |c_ULTIMATE.start_main_~i~0#1| 1) c_~N~0))) (.cse26 (select .cse11 .cse25))) (and (or (< 2 c_~N~0) (= (let ((.cse6 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse9)) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse6 .cse7))))) (let ((.cse4 (select .cse1 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse0 (+ .cse5 .cse6 (select .cse4 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse7))) (mod .cse0 (+ (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse2 (store .cse4 |c_ULTIMATE.start_main_~a~0#1.offset| .cse0))) (store .cse2 .cse3 (+ (select .cse4 .cse3) (select (select (store .cse1 |c_ULTIMATE.start_main_~a~0#1.base| .cse2) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1)))))) 0) (not (< 1 c_~N~0))) (= (let ((.cse10 (store .cse11 .cse12 .cse13))) (mod (select .cse10 |c_ULTIMATE.start_main_~a~0#1.offset|) (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse10) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))) 0) (forall ((|ULTIMATE.start_main_~i~0#1| Int)) (or (< |ULTIMATE.start_main_~i~0#1| 0) (< 0 |ULTIMATE.start_main_~i~0#1|) (= (let ((.cse23 (let ((.cse24 (* |ULTIMATE.start_main_~i~0#1| 8))) (store (store .cse11 (+ .cse24 |c_ULTIMATE.start_main_~a~0#1.offset|) 1) (+ .cse24 8 |c_ULTIMATE.start_main_~a~0#1.offset|) 1)))) (let ((.cse21 (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse23))) (let ((.cse22 (select .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base|))) (let ((.cse18 (select .cse23 |c_ULTIMATE.start_main_~a~0#1.offset|)) (.cse19 (select .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset|))) (let ((.cse20 (select (select (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse18 .cse19))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse3))) (let ((.cse15 (store .cse21 |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse22 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse18 .cse19 .cse20))))) (let ((.cse17 (select .cse15 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse14 (+ .cse18 (select .cse17 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse19 .cse20))) (mod .cse14 (+ (select (select (store .cse15 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse16 (store .cse17 |c_ULTIMATE.start_main_~a~0#1.offset| .cse14))) (store .cse16 .cse3 (+ (select .cse17 .cse3) (select (select (store .cse15 |c_ULTIMATE.start_main_~a~0#1.base| .cse16) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1)))))))))) 0))) (= |c_ULTIMATE.start_main_~i~0#1| 0) (forall ((v_ArrVal_193 Int)) (= (select (store (store .cse11 .cse25 (mod .cse26 .cse27)) .cse12 v_ArrVal_193) |c_ULTIMATE.start_main_~a~0#1.offset|) 0)) (= |c_ULTIMATE.start_main_~a~0#1.offset| 0) (or (= (let ((.cse29 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| .cse13)))) (let ((.cse31 (select .cse29 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse28 (+ .cse5 .cse32 (select .cse31 |c_ULTIMATE.start_main_~a~0#1.offset|)))) (mod .cse28 (+ (select (select (store .cse29 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse30 (store .cse31 |c_ULTIMATE.start_main_~a~0#1.offset| .cse28))) (store .cse30 .cse3 (+ (select (select (store .cse29 |c_ULTIMATE.start_main_~a~0#1.base| .cse30) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse31 .cse3))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1))))) 0) .cse33 .cse34) (exists ((|ULTIMATE.start_main_~#sum~0#1.base| Int)) (let ((.cse35 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0#1.base|) 0))) (and (= 2 .cse35) (= (* 2 .cse35) (+ .cse36 1)) (= (let ((.cse37 (+ .cse35 1))) (mod .cse37 .cse37)) .cse7)))) (or (= (mod .cse9 (+ (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse38 (store .cse11 |c_ULTIMATE.start_main_~a~0#1.offset| .cse9))) (store .cse38 .cse3 (+ .cse36 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~a~0#1.base| .cse38) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1)) 0) (< |c_ULTIMATE.start_main_~i~0#1| c_~N~0)) (= (mod .cse7 .cse27) 0) (or .cse33 .cse34 (= (let ((.cse43 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse26))) |c_ULTIMATE.start_main_~a~0#1.base|) .cse12))) (let ((.cse40 (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0#1.base| (store .cse8 |c_ULTIMATE.start_main_~#sum~0#1.offset| (+ .cse5 .cse26 .cse43))))) (let ((.cse42 (select .cse40 |c_ULTIMATE.start_main_~a~0#1.base|))) (let ((.cse39 (+ .cse5 .cse26 (select .cse42 |c_ULTIMATE.start_main_~a~0#1.offset|) .cse43))) (mod .cse39 (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| (let ((.cse41 (store .cse42 |c_ULTIMATE.start_main_~a~0#1.offset| .cse39))) (store .cse41 .cse3 (+ (select (select (store .cse40 |c_ULTIMATE.start_main_~a~0#1.base| .cse41) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) (select .cse42 .cse3))))) |c_ULTIMATE.start_main_~#sum~0#1.base|) |c_ULTIMATE.start_main_~#sum~0#1.offset|) 1)))))) 0))))))) is different from true [2023-02-15 10:08:24,126 WARN L233 SmtUtils]: Spent 20.16s on a formula simplification that was a NOOP. DAG size: 152 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)