./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e 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/nla-digbench-scaling/egcd-ll_valuebound2.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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 07:06:25,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 07:06:25,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 07:06:25,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 07:06:25,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 07:06:25,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 07:06:25,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 07:06:25,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 07:06:25,770 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 07:06:25,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 07:06:25,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 07:06:25,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 07:06:25,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 07:06:25,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 07:06:25,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 07:06:25,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 07:06:25,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 07:06:25,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 07:06:25,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 07:06:25,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 07:06:25,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 07:06:25,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 07:06:25,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 07:06:25,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 07:06:25,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 07:06:25,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 07:06:25,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 07:06:25,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 07:06:25,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 07:06:25,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 07:06:25,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 07:06:25,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 07:06:25,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 07:06:25,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 07:06:25,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 07:06:25,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 07:06:25,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 07:06:25,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 07:06:25,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 07:06:25,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 07:06:25,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 07:06:25,803 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-17 07:06:25,823 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 07:06:25,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 07:06:25,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 07:06:25,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 07:06:25,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 07:06:25,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 07:06:25,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 07:06:25,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 07:06:25,826 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 07:06:25,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 07:06:25,827 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 07:06:25,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 07:06:25,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 07:06:25,828 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 07:06:25,829 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 07:06:25,829 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 07:06:25,829 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 07:06:25,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 07:06:25,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:06:25,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 07:06:25,830 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 07:06:25,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 07:06:25,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 07:06:25,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 07:06:25,830 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 07:06:25,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 07:06:25,831 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 07:06:25,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 07:06:25,831 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 07:06:25,831 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2023-02-17 07:06:25,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 07:06:26,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 07:06:26,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 07:06:26,014 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 07:06:26,014 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 07:06:26,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-02-17 07:06:27,083 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 07:06:27,246 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 07:06:27,246 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2023-02-17 07:06:27,251 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459e23ca5/6672b129e02347e981b2cb599ef92eba/FLAGc856c95f2 [2023-02-17 07:06:27,265 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/459e23ca5/6672b129e02347e981b2cb599ef92eba [2023-02-17 07:06:27,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 07:06:27,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 07:06:27,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 07:06:27,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 07:06:27,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 07:06:27,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18af6909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27, skipping insertion in model container [2023-02-17 07:06:27,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 07:06:27,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 07:06:27,392 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/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2023-02-17 07:06:27,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:06:27,408 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 07:06:27,415 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/nla-digbench-scaling/egcd-ll_valuebound2.c[489,502] [2023-02-17 07:06:27,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 07:06:27,428 INFO L208 MainTranslator]: Completed translation [2023-02-17 07:06:27,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27 WrapperNode [2023-02-17 07:06:27,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 07:06:27,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 07:06:27,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 07:06:27,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 07:06:27,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,448 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-02-17 07:06:27,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 07:06:27,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 07:06:27,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 07:06:27,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 07:06:27,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,478 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 07:06:27,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 07:06:27,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 07:06:27,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 07:06:27,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (1/1) ... [2023-02-17 07:06:27,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 07:06:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:27,506 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) [2023-02-17 07:06:27,511 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 [2023-02-17 07:06:27,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-17 07:06:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-17 07:06:27,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-17 07:06:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-17 07:06:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 07:06:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 07:06:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-17 07:06:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-17 07:06:27,581 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 07:06:27,582 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 07:06:27,725 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 07:06:27,732 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 07:06:27,732 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-17 07:06:27,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:06:27 BoogieIcfgContainer [2023-02-17 07:06:27,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 07:06:27,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 07:06:27,736 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 07:06:27,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 07:06:27,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 07:06:27" (1/3) ... [2023-02-17 07:06:27,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b0e629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:06:27, skipping insertion in model container [2023-02-17 07:06:27,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 07:06:27" (2/3) ... [2023-02-17 07:06:27,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b0e629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 07:06:27, skipping insertion in model container [2023-02-17 07:06:27,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:06:27" (3/3) ... [2023-02-17 07:06:27,742 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound2.c [2023-02-17 07:06:27,754 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 07:06:27,754 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-17 07:06:27,796 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-17 07:06:27,802 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;@1659ee20, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-17 07:06:27,802 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-17 07:06:27,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-02-17 07:06:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-02-17 07:06:27,810 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:27,810 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:27,811 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:27,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:27,816 INFO L85 PathProgramCache]: Analyzing trace with hash 501437177, now seen corresponding path program 1 times [2023-02-17 07:06:27,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:27,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299558333] [2023-02-17 07:06:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:27,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:27,917 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:27,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653179123] [2023-02-17 07:06:27,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:27,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:27,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:27,935 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) [2023-02-17 07:06:27,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-17 07:06:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:28,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-17 07:06:28,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:28,094 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-02-17 07:06:28,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-17 07:06:28,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:28,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299558333] [2023-02-17 07:06:28,155 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:28,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653179123] [2023-02-17 07:06:28,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653179123] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:28,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:28,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-02-17 07:06:28,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900570682] [2023-02-17 07:06:28,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:06:28,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:06:28,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:28,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:06:28,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-02-17 07:06:28,184 INFO L87 Difference]: Start difference. First operand has 32 states, 17 states have (on average 1.411764705882353) internal successors, (24), 18 states have internal predecessors, (24), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-17 07:06:28,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:28,271 INFO L93 Difference]: Finished difference Result 79 states and 134 transitions. [2023-02-17 07:06:28,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 07:06:28,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2023-02-17 07:06:28,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:28,279 INFO L225 Difference]: With dead ends: 79 [2023-02-17 07:06:28,279 INFO L226 Difference]: Without dead ends: 42 [2023-02-17 07:06:28,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-02-17 07:06:28,286 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 11 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:28,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 145 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:28,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-02-17 07:06:28,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-02-17 07:06:28,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-02-17 07:06:28,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2023-02-17 07:06:28,316 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 58 transitions. Word has length 29 [2023-02-17 07:06:28,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:28,317 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 58 transitions. [2023-02-17 07:06:28,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-02-17 07:06:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2023-02-17 07:06:28,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-02-17 07:06:28,318 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:28,319 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:28,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:28,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-02-17 07:06:28,524 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:28,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:28,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1017640517, now seen corresponding path program 1 times [2023-02-17 07:06:28,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:28,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255957621] [2023-02-17 07:06:28,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:28,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:28,540 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:28,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866340049] [2023-02-17 07:06:28,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:28,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:28,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:28,567 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) [2023-02-17 07:06:28,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-17 07:06:28,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:28,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 37 conjunts are in the unsatisfiable core [2023-02-17 07:06:28,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:28,778 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-02-17 07:06:28,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:28,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:28,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255957621] [2023-02-17 07:06:28,825 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:28,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866340049] [2023-02-17 07:06:28,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866340049] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:28,826 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:28,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-02-17 07:06:28,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634507066] [2023-02-17 07:06:28,826 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:28,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 07:06:28,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:28,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 07:06:28,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-02-17 07:06:28,828 INFO L87 Difference]: Start difference. First operand 41 states and 58 transitions. Second operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 9 states have internal predecessors, (14), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-17 07:06:29,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:29,006 INFO L93 Difference]: Finished difference Result 48 states and 64 transitions. [2023-02-17 07:06:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-17 07:06:29,007 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 9 states have internal predecessors, (14), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 34 [2023-02-17 07:06:29,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:29,008 INFO L225 Difference]: With dead ends: 48 [2023-02-17 07:06:29,008 INFO L226 Difference]: Without dead ends: 46 [2023-02-17 07:06:29,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-02-17 07:06:29,010 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 41 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:29,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 90 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:29,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2023-02-17 07:06:29,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2023-02-17 07:06:29,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 25 states have internal predecessors, (28), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-02-17 07:06:29,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 61 transitions. [2023-02-17 07:06:29,032 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 61 transitions. Word has length 34 [2023-02-17 07:06:29,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:29,032 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 61 transitions. [2023-02-17 07:06:29,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 9 states have internal predecessors, (14), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-17 07:06:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2023-02-17 07:06:29,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-17 07:06:29,034 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:29,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:29,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:29,239 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,SelfDestructingSolverStorable1 [2023-02-17 07:06:29,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:29,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:29,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1133401081, now seen corresponding path program 1 times [2023-02-17 07:06:29,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:29,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923088100] [2023-02-17 07:06:29,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:29,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:29,257 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:29,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413367333] [2023-02-17 07:06:29,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:29,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:29,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:29,267 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) [2023-02-17 07:06:29,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-17 07:06:29,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:29,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 37 conjunts are in the unsatisfiable core [2023-02-17 07:06:29,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-02-17 07:06:29,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-02-17 07:06:29,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:29,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923088100] [2023-02-17 07:06:29,427 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:29,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413367333] [2023-02-17 07:06:29,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413367333] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:29,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:29,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 15 [2023-02-17 07:06:29,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364042320] [2023-02-17 07:06:29,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:06:29,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:06:29,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:29,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:06:29,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-02-17 07:06:29,429 INFO L87 Difference]: Start difference. First operand 45 states and 61 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-17 07:06:29,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:29,474 INFO L93 Difference]: Finished difference Result 70 states and 101 transitions. [2023-02-17 07:06:29,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-17 07:06:29,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2023-02-17 07:06:29,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:29,477 INFO L225 Difference]: With dead ends: 70 [2023-02-17 07:06:29,477 INFO L226 Difference]: Without dead ends: 66 [2023-02-17 07:06:29,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2023-02-17 07:06:29,478 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 7 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:29,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 120 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 07:06:29,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-02-17 07:06:29,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-02-17 07:06:29,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 32 states have (on average 1.28125) internal successors, (41), 36 states have internal predecessors, (41), 28 states have call successors, (28), 5 states have call predecessors, (28), 5 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-02-17 07:06:29,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 94 transitions. [2023-02-17 07:06:29,493 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 94 transitions. Word has length 39 [2023-02-17 07:06:29,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:29,495 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 94 transitions. [2023-02-17 07:06:29,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-17 07:06:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 94 transitions. [2023-02-17 07:06:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-02-17 07:06:29,497 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:29,497 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:29,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-17 07:06:29,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:29,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:29,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:29,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1954831506, now seen corresponding path program 1 times [2023-02-17 07:06:29,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:29,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378328883] [2023-02-17 07:06:29,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:29,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:29,725 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:29,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1184102426] [2023-02-17 07:06:29,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:29,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:29,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:29,747 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) [2023-02-17 07:06:29,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-17 07:06:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:29,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-02-17 07:06:29,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:29,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-17 07:06:29,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-17 07:06:29,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:29,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378328883] [2023-02-17 07:06:29,805 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:29,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184102426] [2023-02-17 07:06:29,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184102426] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-17 07:06:29,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-17 07:06:29,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-02-17 07:06:29,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278455097] [2023-02-17 07:06:29,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-17 07:06:29,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-17 07:06:29,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:29,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-17 07:06:29,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-17 07:06:29,806 INFO L87 Difference]: Start difference. First operand 66 states and 94 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-02-17 07:06:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:29,842 INFO L93 Difference]: Finished difference Result 72 states and 99 transitions. [2023-02-17 07:06:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-17 07:06:29,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 45 [2023-02-17 07:06:29,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:29,844 INFO L225 Difference]: With dead ends: 72 [2023-02-17 07:06:29,844 INFO L226 Difference]: Without dead ends: 70 [2023-02-17 07:06:29,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-17 07:06:29,845 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 5 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:29,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 123 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 07:06:29,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-02-17 07:06:29,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-02-17 07:06:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 39 states have internal predecessors, (44), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-02-17 07:06:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 97 transitions. [2023-02-17 07:06:29,855 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 97 transitions. Word has length 45 [2023-02-17 07:06:29,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:29,855 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 97 transitions. [2023-02-17 07:06:29,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-02-17 07:06:29,856 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2023-02-17 07:06:29,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-02-17 07:06:29,856 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:29,856 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:29,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:30,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:30,061 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1322486933, now seen corresponding path program 1 times [2023-02-17 07:06:30,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:30,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101647526] [2023-02-17 07:06:30,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:30,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:30,097 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:30,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [535733099] [2023-02-17 07:06:30,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:30,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:30,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:30,100 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:30,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-17 07:06:30,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:30,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 19 conjunts are in the unsatisfiable core [2023-02-17 07:06:30,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:30,188 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-02-17 07:06:30,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:30,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:30,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101647526] [2023-02-17 07:06:30,231 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:30,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535733099] [2023-02-17 07:06:30,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535733099] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:30,231 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:30,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-02-17 07:06:30,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412421417] [2023-02-17 07:06:30,232 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:30,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-17 07:06:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:30,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-17 07:06:30,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-02-17 07:06:30,233 INFO L87 Difference]: Start difference. First operand 70 states and 97 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-02-17 07:06:30,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:30,296 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2023-02-17 07:06:30,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-17 07:06:30,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-02-17 07:06:30,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:30,298 INFO L225 Difference]: With dead ends: 80 [2023-02-17 07:06:30,298 INFO L226 Difference]: Without dead ends: 77 [2023-02-17 07:06:30,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-02-17 07:06:30,299 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:30,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-17 07:06:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-02-17 07:06:30,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 75. [2023-02-17 07:06:30,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 41 states have (on average 1.2195121951219512) internal successors, (50), 44 states have internal predecessors, (50), 25 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (23), 22 states have call predecessors, (23), 23 states have call successors, (23) [2023-02-17 07:06:30,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 98 transitions. [2023-02-17 07:06:30,307 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 98 transitions. Word has length 47 [2023-02-17 07:06:30,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:30,308 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 98 transitions. [2023-02-17 07:06:30,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 6 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-02-17 07:06:30,308 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-02-17 07:06:30,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-02-17 07:06:30,309 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:30,309 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:30,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:30,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:30,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:30,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:30,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1617953190, now seen corresponding path program 1 times [2023-02-17 07:06:30,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:30,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309058956] [2023-02-17 07:06:30,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:30,536 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:30,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [928064621] [2023-02-17 07:06:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:30,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:30,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:30,540 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:30,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-17 07:06:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:30,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-17 07:06:30,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-17 07:06:30,626 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-17 07:06:30,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:30,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309058956] [2023-02-17 07:06:30,678 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:30,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928064621] [2023-02-17 07:06:30,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928064621] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:30,678 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:30,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2023-02-17 07:06:30,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814772779] [2023-02-17 07:06:30,679 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:30,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-17 07:06:30,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:30,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-17 07:06:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-02-17 07:06:30,680 INFO L87 Difference]: Start difference. First operand 75 states and 98 transitions. Second operand has 12 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-17 07:06:30,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:30,760 INFO L93 Difference]: Finished difference Result 84 states and 108 transitions. [2023-02-17 07:06:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 07:06:30,760 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 50 [2023-02-17 07:06:30,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:30,761 INFO L225 Difference]: With dead ends: 84 [2023-02-17 07:06:30,761 INFO L226 Difference]: Without dead ends: 80 [2023-02-17 07:06:30,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 84 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-02-17 07:06:30,762 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:30,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 106 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:30,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-02-17 07:06:30,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-02-17 07:06:30,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 48 states have internal predecessors, (52), 25 states have call successors, (25), 9 states have call predecessors, (25), 9 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-02-17 07:06:30,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 101 transitions. [2023-02-17 07:06:30,772 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 101 transitions. Word has length 50 [2023-02-17 07:06:30,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:30,772 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 101 transitions. [2023-02-17 07:06:30,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 5 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-17 07:06:30,772 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 101 transitions. [2023-02-17 07:06:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-02-17 07:06:30,773 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:30,773 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:30,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:30,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:30,979 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:30,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:30,979 INFO L85 PathProgramCache]: Analyzing trace with hash 860577929, now seen corresponding path program 2 times [2023-02-17 07:06:30,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:30,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435241410] [2023-02-17 07:06:30,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:30,986 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:30,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [463384093] [2023-02-17 07:06:30,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:06:30,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:30,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:30,988 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:30,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-17 07:06:31,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:06:31,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:06:31,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 38 conjunts are in the unsatisfiable core [2023-02-17 07:06:31,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-02-17 07:06:31,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:31,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:31,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435241410] [2023-02-17 07:06:31,232 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:31,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463384093] [2023-02-17 07:06:31,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [463384093] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-17 07:06:31,233 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-17 07:06:31,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-02-17 07:06:31,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136722018] [2023-02-17 07:06:31,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:31,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 07:06:31,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:31,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 07:06:31,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-02-17 07:06:31,234 INFO L87 Difference]: Start difference. First operand 80 states and 101 transitions. Second operand has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-02-17 07:06:31,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:31,466 INFO L93 Difference]: Finished difference Result 110 states and 140 transitions. [2023-02-17 07:06:31,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-17 07:06:31,466 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 52 [2023-02-17 07:06:31,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:31,467 INFO L225 Difference]: With dead ends: 110 [2023-02-17 07:06:31,467 INFO L226 Difference]: Without dead ends: 108 [2023-02-17 07:06:31,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2023-02-17 07:06:31,468 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 25 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:31,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 90 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-17 07:06:31,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-02-17 07:06:31,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2023-02-17 07:06:31,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 63 states have internal predecessors, (70), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 28 states have call predecessors, (30), 30 states have call successors, (30) [2023-02-17 07:06:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 131 transitions. [2023-02-17 07:06:31,479 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 131 transitions. Word has length 52 [2023-02-17 07:06:31,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:31,479 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 131 transitions. [2023-02-17 07:06:31,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 11 states have internal predecessors, (23), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-02-17 07:06:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 131 transitions. [2023-02-17 07:06:31,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-02-17 07:06:31,480 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:31,480 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:31,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:31,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:31,686 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:31,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:31,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1226126935, now seen corresponding path program 1 times [2023-02-17 07:06:31,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:31,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335523025] [2023-02-17 07:06:31,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:31,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:31,701 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:31,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1969687212] [2023-02-17 07:06:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:31,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:31,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:31,705 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:31,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-17 07:06:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:31,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 43 conjunts are in the unsatisfiable core [2023-02-17 07:06:31,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:31,832 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 24 proven. 14 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-02-17 07:06:31,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-02-17 07:06:31,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:31,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335523025] [2023-02-17 07:06:31,999 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:31,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969687212] [2023-02-17 07:06:31,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969687212] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:31,999 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:31,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 20 [2023-02-17 07:06:32,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043833701] [2023-02-17 07:06:32,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:32,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-02-17 07:06:32,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:32,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-02-17 07:06:32,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-02-17 07:06:32,002 INFO L87 Difference]: Start difference. First operand 104 states and 131 transitions. Second operand has 20 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 15 states have internal predecessors, (32), 9 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 7 states have call predecessors, (17), 9 states have call successors, (17) [2023-02-17 07:06:34,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-17 07:06:36,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-02-17 07:06:36,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:36,969 INFO L93 Difference]: Finished difference Result 148 states and 191 transitions. [2023-02-17 07:06:36,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-02-17 07:06:36,969 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 15 states have internal predecessors, (32), 9 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 7 states have call predecessors, (17), 9 states have call successors, (17) Word has length 57 [2023-02-17 07:06:36,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:36,970 INFO L225 Difference]: With dead ends: 148 [2023-02-17 07:06:36,970 INFO L226 Difference]: Without dead ends: 133 [2023-02-17 07:06:36,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=701, Unknown=0, NotChecked=0, Total=870 [2023-02-17 07:06:36,971 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 54 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 110 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:36,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 105 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 473 Invalid, 2 Unknown, 0 Unchecked, 4.7s Time] [2023-02-17 07:06:36,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-02-17 07:06:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 108. [2023-02-17 07:06:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 66 states have (on average 1.1363636363636365) internal successors, (75), 68 states have internal predecessors, (75), 27 states have call successors, (27), 14 states have call predecessors, (27), 14 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-02-17 07:06:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 128 transitions. [2023-02-17 07:06:36,996 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 128 transitions. Word has length 57 [2023-02-17 07:06:36,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:36,997 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 128 transitions. [2023-02-17 07:06:36,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 15 states have internal predecessors, (32), 9 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (17), 7 states have call predecessors, (17), 9 states have call successors, (17) [2023-02-17 07:06:36,998 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2023-02-17 07:06:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-17 07:06:37,002 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:37,002 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:37,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:37,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-02-17 07:06:37,207 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:37,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1236716699, now seen corresponding path program 1 times [2023-02-17 07:06:37,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:37,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029373714] [2023-02-17 07:06:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:37,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:37,215 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:37,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2007241882] [2023-02-17 07:06:37,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:37,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:37,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:37,234 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:37,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-17 07:06:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-17 07:06:37,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-17 07:06:37,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:37,319 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-02-17 07:06:37,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:37,360 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-02-17 07:06:37,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:37,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029373714] [2023-02-17 07:06:37,361 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:37,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007241882] [2023-02-17 07:06:37,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007241882] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:37,361 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:37,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2023-02-17 07:06:37,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046218962] [2023-02-17 07:06:37,363 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:37,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-17 07:06:37,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:37,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-17 07:06:37,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-02-17 07:06:37,364 INFO L87 Difference]: Start difference. First operand 108 states and 128 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 7 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 5 states have call predecessors, (17), 6 states have call successors, (17) [2023-02-17 07:06:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:37,481 INFO L93 Difference]: Finished difference Result 135 states and 158 transitions. [2023-02-17 07:06:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-17 07:06:37,481 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 7 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 5 states have call predecessors, (17), 6 states have call successors, (17) Word has length 65 [2023-02-17 07:06:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:37,482 INFO L225 Difference]: With dead ends: 135 [2023-02-17 07:06:37,482 INFO L226 Difference]: Without dead ends: 95 [2023-02-17 07:06:37,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2023-02-17 07:06:37,483 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 23 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:37,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 121 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-02-17 07:06:37,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2023-02-17 07:06:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 57 states have (on average 1.0701754385964912) internal successors, (61), 59 states have internal predecessors, (61), 21 states have call successors, (21), 13 states have call predecessors, (21), 13 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-02-17 07:06:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2023-02-17 07:06:37,495 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 65 [2023-02-17 07:06:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:37,496 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2023-02-17 07:06:37,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 12 states have internal predecessors, (31), 7 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 5 states have call predecessors, (17), 6 states have call successors, (17) [2023-02-17 07:06:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2023-02-17 07:06:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-17 07:06:37,497 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:37,497 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:37,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:37,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:37,703 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:37,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:37,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1045444891, now seen corresponding path program 2 times [2023-02-17 07:06:37,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:37,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499831559] [2023-02-17 07:06:37,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:37,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:37,711 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:37,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1612577218] [2023-02-17 07:06:37,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-17 07:06:37,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:37,713 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:37,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-17 07:06:37,753 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-17 07:06:37,753 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:06:37,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjunts are in the unsatisfiable core [2023-02-17 07:06:37,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:37,776 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-02-17 07:06:37,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 19 proven. 12 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-02-17 07:06:37,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:37,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499831559] [2023-02-17 07:06:37,809 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:37,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612577218] [2023-02-17 07:06:37,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612577218] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:37,810 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:37,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2023-02-17 07:06:37,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86030922] [2023-02-17 07:06:37,810 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:37,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-02-17 07:06:37,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:37,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-02-17 07:06:37,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2023-02-17 07:06:37,811 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 10 states have internal predecessors, (31), 7 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2023-02-17 07:06:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:37,890 INFO L93 Difference]: Finished difference Result 102 states and 110 transitions. [2023-02-17 07:06:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-17 07:06:37,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 10 states have internal predecessors, (31), 7 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 65 [2023-02-17 07:06:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:37,891 INFO L225 Difference]: With dead ends: 102 [2023-02-17 07:06:37,891 INFO L226 Difference]: Without dead ends: 57 [2023-02-17 07:06:37,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-02-17 07:06:37,892 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 19 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:37,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 104 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2023-02-17 07:06:37,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-02-17 07:06:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-02-17 07:06:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 61 transitions. [2023-02-17 07:06:37,897 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 61 transitions. Word has length 65 [2023-02-17 07:06:37,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:37,897 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 61 transitions. [2023-02-17 07:06:37,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 10 states have internal predecessors, (31), 7 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2023-02-17 07:06:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 61 transitions. [2023-02-17 07:06:37,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-02-17 07:06:37,898 INFO L187 NwaCegarLoop]: Found error trace [2023-02-17 07:06:37,898 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:37,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:38,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-02-17 07:06:38,104 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-17 07:06:38,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-17 07:06:38,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1752162263, now seen corresponding path program 3 times [2023-02-17 07:06:38,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-17 07:06:38,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705238934] [2023-02-17 07:06:38,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-17 07:06:38,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-17 07:06:38,112 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-17 07:06:38,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [910623374] [2023-02-17 07:06:38,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-02-17 07:06:38,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-17 07:06:38,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 07:06:38,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-17 07:06:38,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-17 07:06:38,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-02-17 07:06:38,154 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-17 07:06:38,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 14 conjunts are in the unsatisfiable core [2023-02-17 07:06:38,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-17 07:06:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 54 proven. 6 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-02-17 07:06:38,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-17 07:06:38,218 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 26 proven. 12 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-02-17 07:06:38,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-17 07:06:38,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705238934] [2023-02-17 07:06:38,219 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-17 07:06:38,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910623374] [2023-02-17 07:06:38,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910623374] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-17 07:06:38,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-17 07:06:38,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-02-17 07:06:38,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194309015] [2023-02-17 07:06:38,219 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-17 07:06:38,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-17 07:06:38,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-17 07:06:38,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-17 07:06:38,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-02-17 07:06:38,222 INFO L87 Difference]: Start difference. First operand 57 states and 61 transitions. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 11 states have internal predecessors, (35), 8 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2023-02-17 07:06:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-17 07:06:38,295 INFO L93 Difference]: Finished difference Result 68 states and 71 transitions. [2023-02-17 07:06:38,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-17 07:06:38,296 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 11 states have internal predecessors, (35), 8 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) Word has length 70 [2023-02-17 07:06:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-17 07:06:38,297 INFO L225 Difference]: With dead ends: 68 [2023-02-17 07:06:38,297 INFO L226 Difference]: Without dead ends: 0 [2023-02-17 07:06:38,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2023-02-17 07:06:38,298 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 14 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-17 07:06:38,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 127 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-17 07:06:38,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-17 07:06:38,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-17 07:06:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-17 07:06:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-17 07:06:38,299 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2023-02-17 07:06:38,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-17 07:06:38,300 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-17 07:06:38,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 11 states have internal predecessors, (35), 8 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (22), 9 states have call predecessors, (22), 8 states have call successors, (22) [2023-02-17 07:06:38,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-17 07:06:38,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-17 07:06:38,302 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-17 07:06:38,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-17 07:06:38,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-02-17 07:06:38,509 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-17 07:06:38,521 INFO L895 garLoopResultBuilder]: At program point L35-2(lines 35 52) the Hoare annotation is: (let ((.cse15 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse2 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse3 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse4 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse5 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse6 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse10 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse0 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse12 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse17 (let ((.cse19 (+ |ULTIMATE.start_main_~s~0#1| .cse15)) (.cse18 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse18) (* |ULTIMATE.start_main_~y~0#1| .cse19))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse19) (- (* |ULTIMATE.start_main_~r~0#1| .cse18))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse13 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|))))) (or (and .cse0 .cse1 (let ((.cse8 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse14 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse2 .cse11 .cse6 .cse1 .cse5 .cse12 .cse8 .cse9 .cse13 .cse14 .cse10)))) (let ((.cse16 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse15)) .cse2 .cse3 (= .cse16 |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 .cse1 .cse7 (not (= .cse16 |ULTIMATE.start_main_~y~0#1|)) .cse9 .cse10 .cse11 .cse0 .cse12 .cse17 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse16 |ULTIMATE.start_main_~y~0#1|)))) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse9 .cse10 .cse11 .cse0 .cse12 .cse17 .cse13)))) [2023-02-17 07:06:38,522 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-17 07:06:38,522 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~x~0#1| 0) (<= |ULTIMATE.start_main_~y~0#1| 2) (>= |ULTIMATE.start_main_~y~0#1| 0) (>= |ULTIMATE.start_main_~x~0#1| 1) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2023-02-17 07:06:38,522 INFO L895 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: (let ((.cse16 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse0 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse10 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse4 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse11 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse22 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse24 (<= |ULTIMATE.start_main_~x~0#1| 2))) (let ((.cse9 (- |ULTIMATE.start_main_~r~0#1|)) (.cse13 (or (and .cse16 .cse0 .cse3 .cse4 .cse22 .cse24) (and .cse16 .cse0 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) .cse10 .cse3 .cse4 .cse11 .cse22 .cse24))) (.cse25 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (let ((.cse1 (= .cse25 |ULTIMATE.start_main_~x~0#1|)) (.cse6 (not (= .cse25 |ULTIMATE.start_main_~y~0#1|))) (.cse8 (not (> .cse25 |ULTIMATE.start_main_~y~0#1|))) (.cse2 (let ((.cse18 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse21 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (or (let ((.cse17 (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1)) (.cse23 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse20 (+ (* |ULTIMATE.start_main_~x~0#1| .cse17) (* |ULTIMATE.start_main_~y~0#1| .cse23)))) (let ((.cse19 (+ |ULTIMATE.start_main_~a~0#1| .cse20))) (and .cse16 (= .cse17 0) .cse18 (> .cse19 .cse20) .cse21 .cse22 (= .cse23 1) .cse13 (>= .cse20 |ULTIMATE.start_main_~y~0#1|) .cse24 (<= .cse19 |ULTIMATE.start_main_~x~0#1|))))) (and .cse16 .cse18 .cse21 .cse22 .cse13 .cse24)))) (.cse5 (let ((.cse15 (+ |ULTIMATE.start_main_~s~0#1| .cse9)) (.cse14 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse14) (* |ULTIMATE.start_main_~y~0#1| .cse15))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse15) (- (* |ULTIMATE.start_main_~r~0#1| .cse14))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse12 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|))))) (or (let ((.cse7 (+ (* |ULTIMATE.start_main_~s~0#1| (- 1)) 1))) (and (= (+ |ULTIMATE.start_main_~q~0#1| 1) 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= 1 (+ (* 1 |ULTIMATE.start_main_~s~0#1|) (- (* .cse7 |ULTIMATE.start_main_~q~0#1|)))) (= .cse7 0) .cse8)) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse9)) .cse0 .cse1 .cse2 .cse10 .cse3 .cse4 .cse5 .cse11 .cse6 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) .cse8) (and .cse12 .cse13) (and .cse0 .cse2 .cse3 .cse4 .cse5 .cse12))))) [2023-02-17 07:06:38,523 INFO L895 garLoopResultBuilder]: At program point L54(line 54) the Hoare annotation is: (let ((.cse15 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse2 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse3 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse4 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse5 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse6 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse10 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse0 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse12 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse17 (let ((.cse19 (+ |ULTIMATE.start_main_~s~0#1| .cse15)) (.cse18 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse18) (* |ULTIMATE.start_main_~y~0#1| .cse19))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse19) (- (* |ULTIMATE.start_main_~r~0#1| .cse18))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse13 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|))))) (or (and .cse0 .cse1 (let ((.cse8 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse14 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse2 .cse11 .cse6 .cse1 .cse5 .cse12 .cse8 .cse9 .cse13 .cse14 .cse10)))) (let ((.cse16 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse15)) .cse2 .cse3 (= .cse16 |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 .cse1 .cse7 (not (= .cse16 |ULTIMATE.start_main_~y~0#1|)) .cse9 .cse10 .cse11 .cse0 .cse12 .cse17 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse16 |ULTIMATE.start_main_~y~0#1|)))) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse1 .cse7 .cse9 .cse10 .cse11 .cse0 .cse12 .cse17 .cse13)))) [2023-02-17 07:06:38,523 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-17 07:06:38,523 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 18 59) the Hoare annotation is: true [2023-02-17 07:06:38,523 INFO L899 garLoopResultBuilder]: For program point L38(lines 35 52) no Hoare annotation was computed. [2023-02-17 07:06:38,524 INFO L895 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse25 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse23 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse15 (let ((.cse29 (+ |ULTIMATE.start_main_~s~0#1| .cse23)) (.cse28 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse28) (* |ULTIMATE.start_main_~y~0#1| .cse29))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse29) (- (* |ULTIMATE.start_main_~r~0#1| .cse28))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse5 (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse0 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse19 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse25 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse20 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse4 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse21 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse27 (<= |ULTIMATE.start_main_~a~0#1| 2)) (.cse7 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse8 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse9 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse10 (<= |ULTIMATE.start_main_~b~0#1| 2)) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse22 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse17 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (let ((.cse1 (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1)) (.cse18 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse13 (+ (* |ULTIMATE.start_main_~x~0#1| .cse1) (* |ULTIMATE.start_main_~y~0#1| .cse18)))) (let ((.cse2 (+ |ULTIMATE.start_main_~b~0#1| 1)) (.cse12 (+ |ULTIMATE.start_main_~a~0#1| .cse13))) (and .cse0 (= .cse1 0) (<= .cse2 2) .cse3 .cse4 (<= .cse2 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (> .cse12 .cse13) .cse14 .cse15 .cse16 .cse17 (<= .cse5 2) (= .cse18 1) (>= .cse13 |ULTIMATE.start_main_~y~0#1|) (<= .cse12 |ULTIMATE.start_main_~x~0#1|))))) (let ((.cse26 (+ |ULTIMATE.start_main_~a~0#1| 1))) (and .cse0 (<= |ULTIMATE.start_main_~a~0#1| .cse5) .cse11 (or (and .cse0 .cse19 .cse20 .cse4 .cse3 .cse21 .cse7 .cse8 .cse11 .cse22 .cse14 .cse15 .cse16) (let ((.cse24 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse23)) .cse0 .cse19 (= .cse24 |ULTIMATE.start_main_~x~0#1|) .cse20 .cse4 .cse3 .cse21 (not (= .cse24 |ULTIMATE.start_main_~y~0#1|)) .cse7 .cse8 .cse11 .cse22 .cse14 .cse15 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse24 |ULTIMATE.start_main_~y~0#1|)))) (and .cse0 .cse19 .cse11 .cse20 .cse22 .cse4 .cse3 .cse14 .cse21 .cse7 (or (not (= 1 (+ .cse25 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|))))) .cse16) .cse8)) .cse3 (<= .cse26 2) (<= .cse26 .cse5) .cse27 .cse8)) (and .cse0 .cse19 .cse20 .cse4 .cse3 .cse21 .cse6 .cse27 .cse7 .cse8 (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse9 .cse10 .cse11 .cse22 .cse14 (<= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) .cse16 .cse17)))) [2023-02-17 07:06:38,524 INFO L895 garLoopResultBuilder]: At program point L36-1(line 36) the Hoare annotation is: (let ((.cse25 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse9 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse10 (<= |ULTIMATE.start_main_~b~0#1| 2)) (.cse17 (= |ULTIMATE.start_main_~s~0#1| 1)) (.cse5 (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse22 (<= |ULTIMATE.start_main_~a~0#1| 2)) (.cse15 (let ((.cse28 (+ |ULTIMATE.start_main_~s~0#1| .cse25)) (.cse27 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse27) (* |ULTIMATE.start_main_~y~0#1| .cse28))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse28) (- (* |ULTIMATE.start_main_~r~0#1| .cse27))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse0 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse19 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse20 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse23 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse4 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse21 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse7 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse8 (<= |ULTIMATE.start_main_~x~0#1| 2))) (or (let ((.cse1 (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1)) (.cse18 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse13 (+ (* |ULTIMATE.start_main_~x~0#1| .cse1) (* |ULTIMATE.start_main_~y~0#1| .cse18)))) (let ((.cse2 (+ |ULTIMATE.start_main_~b~0#1| 1)) (.cse12 (+ |ULTIMATE.start_main_~a~0#1| .cse13))) (and .cse0 (= .cse1 0) (<= .cse2 2) .cse3 .cse4 (<= .cse2 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (> .cse12 .cse13) .cse14 .cse15 .cse16 .cse17 (<= .cse5 2) (= .cse18 1) (>= .cse13 |ULTIMATE.start_main_~y~0#1|) (<= .cse12 |ULTIMATE.start_main_~x~0#1|))))) (and .cse0 .cse19 .cse20 .cse4 .cse3 .cse21 .cse6 .cse22 .cse7 .cse8 (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse9 .cse10 .cse11 .cse23 .cse14 (<= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) .cse16 .cse17) (let ((.cse24 (+ |ULTIMATE.start_main_~a~0#1| 1))) (and .cse0 (<= |ULTIMATE.start_main_~a~0#1| .cse5) .cse11 .cse3 (<= .cse24 2) (<= .cse24 .cse5) .cse22 (or (and .cse0 .cse19 .cse20 .cse4 .cse3 .cse21 .cse7 .cse8 .cse11 .cse23 .cse14 .cse15 .cse16) (let ((.cse26 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse25)) .cse0 .cse19 (= .cse26 |ULTIMATE.start_main_~x~0#1|) .cse20 .cse4 .cse3 .cse21 (not (= .cse26 |ULTIMATE.start_main_~y~0#1|)) .cse7 .cse8 .cse11 .cse23 .cse14 .cse15 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse26 |ULTIMATE.start_main_~y~0#1|)))) (and .cse0 .cse19 .cse11 .cse20 .cse23 .cse4 .cse3 .cse14 .cse21 .cse7 .cse16 .cse8)) .cse8))))) [2023-02-17 07:06:38,524 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-17 07:06:38,524 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-17 07:06:38,525 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2023-02-17 07:06:38,525 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-02-17 07:06:38,525 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~x~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2023-02-17 07:06:38,525 INFO L895 garLoopResultBuilder]: At program point L24-1(line 24) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~x~0#1| 0) (<= |ULTIMATE.start_main_~y~0#1| 2) (>= |ULTIMATE.start_main_~y~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 2)) [2023-02-17 07:06:38,525 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse12 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse0 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse1 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse3 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse4 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse5 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse11 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse7 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse8 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse10 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse2 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse14 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse6 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (let ((.cse17 (+ |ULTIMATE.start_main_~s~0#1| .cse12)) (.cse16 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse16) (* |ULTIMATE.start_main_~y~0#1| .cse17))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse17) (- (* |ULTIMATE.start_main_~r~0#1| .cse16))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse9 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|))))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse0 .cse2 .cse5 .cse11 .cse4 .cse6 (= |ULTIMATE.start_main_~q~0#1| 0) .cse8 .cse9 (= |ULTIMATE.start_main_~s~0#1| 1) .cse10) (let ((.cse13 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse12)) .cse0 .cse1 (= .cse13 |ULTIMATE.start_main_~x~0#1|) .cse3 .cse4 .cse5 .cse11 .cse7 (not (= .cse13 |ULTIMATE.start_main_~y~0#1|)) .cse8 .cse10 .cse2 .cse14 .cse6 .cse15 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse13 |ULTIMATE.start_main_~y~0#1|)))) (and .cse0 .cse1 .cse3 .cse4 .cse5 .cse11 .cse7 .cse8 .cse10 .cse2 .cse14 .cse6 .cse15 .cse9)))) [2023-02-17 07:06:38,525 INFO L902 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: true [2023-02-17 07:06:38,526 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-17 07:06:38,526 INFO L899 garLoopResultBuilder]: For program point L43(lines 43 51) no Hoare annotation was computed. [2023-02-17 07:06:38,526 INFO L895 garLoopResultBuilder]: At program point L43-2(lines 35 52) the Hoare annotation is: (let ((.cse25 (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|)) (.cse23 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse15 (let ((.cse29 (+ |ULTIMATE.start_main_~s~0#1| .cse23)) (.cse28 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse28) (* |ULTIMATE.start_main_~y~0#1| .cse29))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse29) (- (* |ULTIMATE.start_main_~r~0#1| .cse28))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse5 (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse0 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse19 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ .cse25 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse20 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse4 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse21 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse27 (<= |ULTIMATE.start_main_~a~0#1| 2)) (.cse7 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse8 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse9 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse10 (<= |ULTIMATE.start_main_~b~0#1| 2)) (.cse11 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse22 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse17 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (let ((.cse1 (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1)) (.cse18 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse13 (+ (* |ULTIMATE.start_main_~x~0#1| .cse1) (* |ULTIMATE.start_main_~y~0#1| .cse18)))) (let ((.cse2 (+ |ULTIMATE.start_main_~b~0#1| 1)) (.cse12 (+ |ULTIMATE.start_main_~a~0#1| .cse13))) (and .cse0 (= .cse1 0) (<= .cse2 2) .cse3 .cse4 (<= .cse2 .cse5) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (> .cse12 .cse13) .cse14 .cse15 .cse16 .cse17 (<= .cse5 2) (= .cse18 1) (>= .cse13 |ULTIMATE.start_main_~y~0#1|) (<= .cse12 |ULTIMATE.start_main_~x~0#1|))))) (let ((.cse26 (+ |ULTIMATE.start_main_~a~0#1| 1))) (and .cse0 (<= |ULTIMATE.start_main_~a~0#1| .cse5) .cse11 (or (and .cse0 .cse19 .cse20 .cse4 .cse3 .cse21 .cse7 .cse8 .cse11 .cse22 .cse14 .cse15 .cse16) (let ((.cse24 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse23)) .cse0 .cse19 (= .cse24 |ULTIMATE.start_main_~x~0#1|) .cse20 .cse4 .cse3 .cse21 (not (= .cse24 |ULTIMATE.start_main_~y~0#1|)) .cse7 .cse8 .cse11 .cse22 .cse14 .cse15 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse24 |ULTIMATE.start_main_~y~0#1|)))) (and .cse0 .cse19 .cse11 .cse20 .cse22 .cse4 .cse3 .cse14 .cse21 .cse7 (or (not (= 1 (+ .cse25 (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|))))) .cse16) .cse8)) .cse3 (<= .cse26 2) (<= .cse26 .cse5) .cse27 .cse8)) (and .cse0 .cse19 .cse20 .cse4 .cse3 .cse21 .cse6 .cse27 .cse7 .cse8 (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse9 .cse10 .cse11 .cse22 .cse14 (<= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) .cse16 .cse17)))) [2023-02-17 07:06:38,527 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse16 (- |ULTIMATE.start_main_~r~0#1|))) (let ((.cse14 (let ((.cse30 (+ |ULTIMATE.start_main_~s~0#1| .cse16)) (.cse29 (+ |ULTIMATE.start_main_~q~0#1| (- |ULTIMATE.start_main_~p~0#1|)))) (or (= (+ |ULTIMATE.start_main_~b~0#1| (- |ULTIMATE.start_main_~a~0#1|)) (+ (* |ULTIMATE.start_main_~x~0#1| .cse29) (* |ULTIMATE.start_main_~y~0#1| .cse30))) (not (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| .cse30) (- (* |ULTIMATE.start_main_~r~0#1| .cse29))))) (> |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse1 (+ |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse0 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse6 (forall ((|ULTIMATE.start_main_~q~0#1| Int)) (= 1 (+ (* |ULTIMATE.start_main_~p~0#1| |ULTIMATE.start_main_~s~0#1|) (- (* |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~q~0#1|)))))) (.cse7 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse8 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse9 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse22 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse5 (<= |ULTIMATE.start_main_~a~0#1| 2)) (.cse10 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse11 (<= |ULTIMATE.start_main_~x~0#1| 2)) (.cse18 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse19 (<= |ULTIMATE.start_main_~b~0#1| 2)) (.cse2 (<= |ULTIMATE.start_main_~y~0#1| 2)) (.cse12 (= |ULTIMATE.start_main_~a~0#1| (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|) (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~p~0#1|)))) (.cse13 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (= |ULTIMATE.start_main_~b~0#1| (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~q~0#1|) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~s~0#1|)))) (.cse23 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (let ((.cse4 (+ |ULTIMATE.start_main_~a~0#1| 1))) (and .cse0 (<= |ULTIMATE.start_main_~a~0#1| .cse1) .cse2 .cse3 (<= .cse4 2) (<= .cse4 .cse1) .cse5 (or (and .cse0 .cse6 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11 .cse2 .cse12 .cse13 .cse14 .cse15) (let ((.cse17 (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~b~0#1| (- 1))))) (and (= |ULTIMATE.start_main_~s~0#1| (+ 1 .cse16)) .cse0 .cse6 (= .cse17 |ULTIMATE.start_main_~x~0#1|) .cse7 .cse8 .cse3 .cse9 (not (= .cse17 |ULTIMATE.start_main_~y~0#1|)) .cse10 .cse11 .cse2 .cse12 .cse13 .cse14 (= (+ |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~p~0#1|) 0) (not (> .cse17 |ULTIMATE.start_main_~y~0#1|))))) .cse11)) (and .cse18 .cse19 .cse0 .cse2 .cse3 .cse10 (<= .cse1 2) .cse11 (let ((.cse28 (+ |ULTIMATE.start_main_~b~0#1| 1))) (let ((.cse20 (<= .cse28 2)) (.cse21 (<= .cse28 .cse1))) (or (and .cse0 .cse20 .cse3 .cse8 .cse21 .cse22 .cse10 .cse11 .cse2 .cse12 .cse13 .cse14 .cse15 .cse23) (let ((.cse24 (+ (* |ULTIMATE.start_main_~p~0#1| (- 1)) 1)) (.cse27 (* |ULTIMATE.start_main_~r~0#1| (- 1)))) (let ((.cse26 (+ (* |ULTIMATE.start_main_~x~0#1| .cse24) (* |ULTIMATE.start_main_~y~0#1| .cse27)))) (let ((.cse25 (+ |ULTIMATE.start_main_~a~0#1| .cse26))) (and .cse0 (= .cse24 0) .cse20 .cse3 .cse8 .cse21 .cse22 .cse10 .cse11 .cse2 .cse12 (> .cse25 .cse26) .cse13 .cse14 .cse15 .cse23 (= .cse27 1) (>= .cse26 |ULTIMATE.start_main_~y~0#1|) (<= .cse25 |ULTIMATE.start_main_~x~0#1|))))))))) (and .cse0 .cse6 .cse7 .cse8 .cse3 .cse9 .cse22 .cse5 .cse10 .cse11 (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse18 .cse19 .cse2 .cse12 .cse13 (<= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) .cse15 .cse23)))) [2023-02-17 07:06:38,527 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2023-02-17 07:06:38,527 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-02-17 07:06:38,527 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2023-02-17 07:06:38,527 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2023-02-17 07:06:38,527 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 13) no Hoare annotation was computed. [2023-02-17 07:06:38,527 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2023-02-17 07:06:38,527 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 10 16) no Hoare annotation was computed. [2023-02-17 07:06:38,527 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 10 16) the Hoare annotation is: (let ((.cse0 (= 0 |__VERIFIER_assert_#in~cond|))) (let ((.cse1 (= |__VERIFIER_assert_#in~cond| 1)) (.cse2 (not .cse0))) (or (and (or .cse0 (not .cse1)) .cse0) .cse2 (and .cse1 .cse2)))) [2023-02-17 07:06:38,528 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 10 16) no Hoare annotation was computed. [2023-02-17 07:06:38,528 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2023-02-17 07:06:38,530 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2023-02-17 07:06:38,532 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-17 07:06:38,539 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,540 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,540 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,540 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,546 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,546 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,547 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,547 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 07:06:38 BoogieIcfgContainer [2023-02-17 07:06:38,549 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 07:06:38,550 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 07:06:38,550 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 07:06:38,550 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 07:06:38,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 07:06:27" (3/4) ... [2023-02-17 07:06:38,552 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 07:06:38,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-17 07:06:38,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-02-17 07:06:38,560 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-02-17 07:06:38,560 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 07:06:38,560 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-17 07:06:38,560 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 07:06:38,583 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 07:06:38,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 07:06:38,584 INFO L158 Benchmark]: Toolchain (without parser) took 11315.81ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 146.5MB in the beginning and 80.3MB in the end (delta: 66.2MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,584 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 07:06:38,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.75ms. Allocated memory is still 184.5MB. Free memory was 145.9MB in the beginning and 135.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.36ms. Allocated memory is still 184.5MB. Free memory was 135.5MB in the beginning and 133.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,585 INFO L158 Benchmark]: Boogie Preprocessor took 31.54ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 132.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,585 INFO L158 Benchmark]: RCFGBuilder took 253.35ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 120.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,585 INFO L158 Benchmark]: TraceAbstraction took 10813.18ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 120.6MB in the beginning and 83.5MB in the end (delta: 37.1MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,586 INFO L158 Benchmark]: Witness Printer took 34.20ms. Allocated memory is still 222.3MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 07:06:38,587 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 151.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.75ms. Allocated memory is still 184.5MB. Free memory was 145.9MB in the beginning and 135.5MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.36ms. Allocated memory is still 184.5MB. Free memory was 135.5MB in the beginning and 133.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.54ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 132.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.35ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 120.9MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 10813.18ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 120.6MB in the beginning and 83.5MB in the end (delta: 37.1MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Witness Printer took 34.20ms. Allocated memory is still 222.3MB. Free memory was 83.5MB in the beginning and 80.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 11, TraceHistogramMax: 8, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 272 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 228 mSDsluCounter, 1237 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 908 mSDsCounter, 222 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1756 IncrementalHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 222 mSolverCounterUnsat, 329 mSDtfsCounter, 1756 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 989 GetRequests, 816 SyntacticMatches, 15 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=8, InterpolantAutomatonStates: 102, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 36 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 70 PreInvPairs, 101 NumberOfFragments, 4330 HoareAnnotationTreeSize, 70 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 553 NumberOfCodeBlocks, 532 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 910 ConstructedInterpolants, 2 QuantifiedInterpolants, 3551 SizeOfPredicates, 79 NumberOfNonLiveVariables, 1393 ConjunctsInSsa, 251 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 1117/1243 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant [2023-02-17 07:06:38,592 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,592 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,593 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,593 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,594 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,594 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,594 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] [2023-02-17 07:06:38,595 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~q~0#1,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((x >= 0 && p * -1 + 1 == 0) && b + 1 <= 2) && y >= 0) && p == 1) && b + 1 <= a + b) && q == 0) && y >= 1) && x <= 2) && 1 <= b) && b <= 2) && y <= 2) && a + (x * (p * -1 + 1) + y * (r * -1)) > x * (p * -1 + 1) + y * (r * -1)) && x >= 1) && ((b + -a == x * (q + -p) + y * (s + -r) || !(1 == p * (s + -r) + -(r * (q + -p)))) || a > b)) && b == x * q + y * s) && s == 1) && a + b <= 2) && r * -1 == 1) && x * (p * -1 + 1) + y * (r * -1) >= y) && a + (x * (p * -1 + 1) + y * (r * -1)) <= x) || ((((((((x >= 0 && a <= a + b) && y <= 2) && ((((((((((((((x >= 0 && (forall ULTIMATE.start_main_~q~0#1 : int :: 1 == p * s + -(r * ULTIMATE.start_main_~q~0#1))) && a == x) && p == 1) && y >= 0) && r == 0) && y >= 1) && x <= 2) && y <= 2) && a == y * r + x * p) && x >= 1) && ((b + -a == x * (q + -p) + y * (s + -r) || !(1 == p * (s + -r) + -(r * (q + -p)))) || a > b)) && b == x * q + y * s) || ((((((((((((((((s == 1 + -r && x >= 0) && (forall ULTIMATE.start_main_~q~0#1 : int :: 1 == p * s + -(r * ULTIMATE.start_main_~q~0#1))) && y + b * -1 == x) && a == x) && p == 1) && y >= 0) && r == 0) && !(y + b * -1 == y)) && y >= 1) && x <= 2) && y <= 2) && a == y * r + x * p) && x >= 1) && ((b + -a == x * (q + -p) + y * (s + -r) || !(1 == p * (s + -r) + -(r * (q + -p)))) || a > b)) && q + p == 0) && !(y + b * -1 > y))) || (((((((((((x >= 0 && (forall ULTIMATE.start_main_~q~0#1 : int :: 1 == p * s + -(r * ULTIMATE.start_main_~q~0#1))) && y <= 2) && a == x) && a == y * r + x * p) && p == 1) && y >= 0) && x >= 1) && r == 0) && y >= 1) && (!(1 == p * s + -(r * q)) || b == x * q + y * s)) && x <= 2))) && y >= 0) && a + 1 <= 2) && a + 1 <= a + b) && a <= 2) && x <= 2)) || (((((((((((((((((((x >= 0 && (forall ULTIMATE.start_main_~q~0#1 : int :: 1 == p * s + -(r * ULTIMATE.start_main_~q~0#1))) && a == x) && p == 1) && y >= 0) && r == 0) && q == 0) && a <= 2) && y >= 1) && x <= 2) && b >= y) && b == y) && 1 <= b) && b <= 2) && y <= 2) && a == y * r + x * p) && x >= 1) && a <= x) && b == x * q + y * s) && s == 1) RESULT: Ultimate proved your program to be correct! [2023-02-17 07:06:38,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE