./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c 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/egcd2-ll_valuebound1.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 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 01:58:14,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 01:58:14,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 01:58:14,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 01:58:14,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 01:58:14,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 01:58:14,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 01:58:14,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 01:58:14,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 01:58:14,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 01:58:14,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 01:58:14,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 01:58:14,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 01:58:14,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 01:58:14,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 01:58:14,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 01:58:14,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 01:58:14,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 01:58:14,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 01:58:14,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 01:58:14,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 01:58:14,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 01:58:14,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 01:58:14,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 01:58:14,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 01:58:14,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 01:58:14,669 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 01:58:14,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 01:58:14,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 01:58:14,670 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 01:58:14,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 01:58:14,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 01:58:14,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 01:58:14,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 01:58:14,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 01:58:14,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 01:58:14,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 01:58:14,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 01:58:14,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 01:58:14,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 01:58:14,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 01:58:14,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 01:58:14,695 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 01:58:14,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 01:58:14,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 01:58:14,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 01:58:14,699 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 01:58:14,699 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 01:58:14,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 01:58:14,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 01:58:14,701 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 01:58:14,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 01:58:14,702 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 01:58:14,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 01:58:14,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 01:58:14,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 01:58:14,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 01:58:14,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 01:58:14,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 01:58:14,703 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 01:58:14,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 01:58:14,703 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 01:58:14,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 01:58:14,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 01:58:14,704 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 01:58:14,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 01:58:14,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 01:58:14,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 01:58:14,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 01:58:14,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 01:58:14,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 01:58:14,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 01:58:14,705 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 01:58:14,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 01:58:14,705 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 01:58:14,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 01:58:14,706 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 01:58:14,706 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9439004819e2e34c2ab2e87057bca89732394fc53eb02ecb90192bb8fac7667a [2023-02-18 01:58:14,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 01:58:14,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 01:58:14,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 01:58:14,937 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 01:58:14,937 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 01:58:14,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2023-02-18 01:58:15,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 01:58:16,129 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 01:58:16,129 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound1.c [2023-02-18 01:58:16,134 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6fa3a57/b8a057cf62ce4c1c973c118400e37041/FLAG6ed056d25 [2023-02-18 01:58:16,148 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc6fa3a57/b8a057cf62ce4c1c973c118400e37041 [2023-02-18 01:58:16,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 01:58:16,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 01:58:16,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 01:58:16,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 01:58:16,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 01:58:16,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a0c000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16, skipping insertion in model container [2023-02-18 01:58:16,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 01:58:16,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 01:58:16,278 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/egcd2-ll_valuebound1.c[490,503] [2023-02-18 01:58:16,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 01:58:16,310 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 01:58:16,318 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/egcd2-ll_valuebound1.c[490,503] [2023-02-18 01:58:16,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 01:58:16,344 INFO L208 MainTranslator]: Completed translation [2023-02-18 01:58:16,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16 WrapperNode [2023-02-18 01:58:16,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 01:58:16,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 01:58:16,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 01:58:16,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 01:58:16,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,375 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2023-02-18 01:58:16,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 01:58:16,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 01:58:16,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 01:58:16,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 01:58:16,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,403 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 01:58:16,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 01:58:16,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 01:58:16,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 01:58:16,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (1/1) ... [2023-02-18 01:58:16,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 01:58:16,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:16,428 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) [2023-02-18 01:58:16,440 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 [2023-02-18 01:58:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 01:58:16,459 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-18 01:58:16,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-18 01:58:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 01:58:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 01:58:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 01:58:16,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-18 01:58:16,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-18 01:58:16,502 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 01:58:16,504 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 01:58:16,675 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 01:58:16,679 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 01:58:16,692 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-18 01:58:16,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:58:16 BoogieIcfgContainer [2023-02-18 01:58:16,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 01:58:16,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 01:58:16,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 01:58:16,698 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 01:58:16,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:58:16" (1/3) ... [2023-02-18 01:58:16,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5e8aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:58:16, skipping insertion in model container [2023-02-18 01:58:16,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:58:16" (2/3) ... [2023-02-18 01:58:16,699 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c5e8aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:58:16, skipping insertion in model container [2023-02-18 01:58:16,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:58:16" (3/3) ... [2023-02-18 01:58:16,700 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound1.c [2023-02-18 01:58:16,712 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 01:58:16,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 01:58:16,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 01:58:16,771 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;@14d53ebb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 01:58:16,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 01:58:16,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 21 states have internal predecessors, (28), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-02-18 01:58:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-02-18 01:58:16,780 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:16,780 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:16,781 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:16,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:16,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1146169762, now seen corresponding path program 1 times [2023-02-18 01:58:16,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:16,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376934242] [2023-02-18 01:58:16,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:16,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:16,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:16,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376934242] [2023-02-18 01:58:16,892 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-18 01:58:16,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269218985] [2023-02-18 01:58:16,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:16,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:16,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:16,896 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) [2023-02-18 01:58:16,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 01:58:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:16,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-18 01:58:16,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-02-18 01:58:16,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 01:58:16,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269218985] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 01:58:16,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 01:58:16,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 01:58:16,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512502442] [2023-02-18 01:58:16,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 01:58:16,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 01:58:16,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:17,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 01:58:17,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 01:58:17,010 INFO L87 Difference]: Start difference. First operand has 35 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 21 states have internal predecessors, (28), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 01:58:17,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:17,032 INFO L93 Difference]: Finished difference Result 67 states and 112 transitions. [2023-02-18 01:58:17,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 01:58:17,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 39 [2023-02-18 01:58:17,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:17,038 INFO L225 Difference]: With dead ends: 67 [2023-02-18 01:58:17,038 INFO L226 Difference]: Without dead ends: 31 [2023-02-18 01:58:17,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 01:58:17,045 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:17,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 01:58:17,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-02-18 01:58:17,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-02-18 01:58:17,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-02-18 01:58:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2023-02-18 01:58:17,075 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 39 [2023-02-18 01:58:17,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:17,075 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2023-02-18 01:58:17,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 01:58:17,076 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2023-02-18 01:58:17,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-02-18 01:58:17,077 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:17,077 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:17,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-02-18 01:58:17,284 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 [2023-02-18 01:58:17,285 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:17,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:17,286 INFO L85 PathProgramCache]: Analyzing trace with hash 846808023, now seen corresponding path program 1 times [2023-02-18 01:58:17,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:17,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100728450] [2023-02-18 01:58:17,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:17,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:17,310 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:17,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214969846] [2023-02-18 01:58:17,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:17,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:17,317 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) [2023-02-18 01:58:17,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 01:58:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:17,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-02-18 01:58:17,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-02-18 01:58:17,442 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-02-18 01:58:17,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:17,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100728450] [2023-02-18 01:58:17,502 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:17,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214969846] [2023-02-18 01:58:17,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214969846] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:58:17,503 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:58:17,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2023-02-18 01:58:17,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063131504] [2023-02-18 01:58:17,503 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:17,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-18 01:58:17,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:17,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-18 01:58:17,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-02-18 01:58:17,504 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 01:58:17,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:17,598 INFO L93 Difference]: Finished difference Result 48 states and 65 transitions. [2023-02-18 01:58:17,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 01:58:17,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2023-02-18 01:58:17,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:17,601 INFO L225 Difference]: With dead ends: 48 [2023-02-18 01:58:17,601 INFO L226 Difference]: Without dead ends: 40 [2023-02-18 01:58:17,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-02-18 01:58:17,602 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 20 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:17,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 88 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:17,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-02-18 01:58:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2023-02-18 01:58:17,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-02-18 01:58:17,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2023-02-18 01:58:17,617 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 40 [2023-02-18 01:58:17,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:17,617 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2023-02-18 01:58:17,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 01:58:17,618 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2023-02-18 01:58:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-02-18 01:58:17,620 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:17,620 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:17,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:17,825 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 [2023-02-18 01:58:17,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash 481927254, now seen corresponding path program 1 times [2023-02-18 01:58:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:17,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395535913] [2023-02-18 01:58:17,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:17,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:17,838 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:17,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [377829802] [2023-02-18 01:58:17,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:17,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:17,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:17,845 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) [2023-02-18 01:58:17,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 01:58:17,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:17,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-18 01:58:17,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-02-18 01:58:17,914 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-02-18 01:58:17,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:17,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395535913] [2023-02-18 01:58:17,938 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:17,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377829802] [2023-02-18 01:58:17,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [377829802] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-18 01:58:17,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 01:58:17,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-02-18 01:58:17,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039538636] [2023-02-18 01:58:17,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 01:58:17,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 01:58:17,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:17,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 01:58:17,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2023-02-18 01:58:17,941 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-02-18 01:58:17,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:17,989 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2023-02-18 01:58:17,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 01:58:17,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 41 [2023-02-18 01:58:17,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:17,990 INFO L225 Difference]: With dead ends: 39 [2023-02-18 01:58:17,991 INFO L226 Difference]: Without dead ends: 37 [2023-02-18 01:58:17,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-02-18 01:58:17,992 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:17,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 120 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 01:58:17,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-18 01:58:17,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-02-18 01:58:17,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-02-18 01:58:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2023-02-18 01:58:17,998 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 41 [2023-02-18 01:58:17,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:17,998 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2023-02-18 01:58:17,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-02-18 01:58:17,999 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-02-18 01:58:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-02-18 01:58:17,999 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:17,999 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:18,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-02-18 01:58:18,202 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 [2023-02-18 01:58:18,203 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:18,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:18,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1626076469, now seen corresponding path program 1 times [2023-02-18 01:58:18,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:18,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151768732] [2023-02-18 01:58:18,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:18,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:18,213 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:18,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [393900257] [2023-02-18 01:58:18,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:18,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:18,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:18,225 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) [2023-02-18 01:58:18,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 01:58:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:18,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 27 conjunts are in the unsatisfiable core [2023-02-18 01:58:18,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-02-18 01:58:18,330 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:18,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:18,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151768732] [2023-02-18 01:58:18,367 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:18,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393900257] [2023-02-18 01:58:18,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393900257] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 01:58:18,368 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 01:58:18,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-02-18 01:58:18,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023134192] [2023-02-18 01:58:18,368 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:18,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 01:58:18,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:18,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 01:58:18,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-02-18 01:58:18,370 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-02-18 01:58:18,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:18,520 INFO L93 Difference]: Finished difference Result 50 states and 64 transitions. [2023-02-18 01:58:18,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-18 01:58:18,521 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-02-18 01:58:18,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:18,522 INFO L225 Difference]: With dead ends: 50 [2023-02-18 01:58:18,522 INFO L226 Difference]: Without dead ends: 48 [2023-02-18 01:58:18,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2023-02-18 01:58:18,523 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 23 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:18,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 143 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:18,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-02-18 01:58:18,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2023-02-18 01:58:18,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-02-18 01:58:18,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions. [2023-02-18 01:58:18,531 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 46 [2023-02-18 01:58:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:18,531 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions. [2023-02-18 01:58:18,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 9 states have internal predecessors, (19), 4 states have call successors, (8), 2 states have call predecessors, (8), 3 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-02-18 01:58:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-02-18 01:58:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-02-18 01:58:18,532 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:18,532 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:18,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:18,737 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 [2023-02-18 01:58:18,738 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:18,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:18,739 INFO L85 PathProgramCache]: Analyzing trace with hash 779090230, now seen corresponding path program 1 times [2023-02-18 01:58:18,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:18,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903483956] [2023-02-18 01:58:18,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:18,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:18,768 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:18,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1005144480] [2023-02-18 01:58:18,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:18,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:18,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:18,786 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) [2023-02-18 01:58:18,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-02-18 01:58:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:18,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 23 conjunts are in the unsatisfiable core [2023-02-18 01:58:18,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-02-18 01:58:18,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:18,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:18,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903483956] [2023-02-18 01:58:18,927 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:18,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005144480] [2023-02-18 01:58:18,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005144480] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 01:58:18,927 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 01:58:18,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-02-18 01:58:18,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337073042] [2023-02-18 01:58:18,928 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:18,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 01:58:18,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:18,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 01:58:18,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-02-18 01:58:18,929 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-02-18 01:58:19,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:19,096 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2023-02-18 01:58:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-02-18 01:58:19,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2023-02-18 01:58:19,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:19,099 INFO L225 Difference]: With dead ends: 54 [2023-02-18 01:58:19,099 INFO L226 Difference]: Without dead ends: 52 [2023-02-18 01:58:19,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2023-02-18 01:58:19,102 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 23 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:19,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 126 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:19,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-02-18 01:58:19,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2023-02-18 01:58:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 16 states have call successors, (16), 5 states have call predecessors, (16), 5 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-02-18 01:58:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2023-02-18 01:58:19,123 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 51 [2023-02-18 01:58:19,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:19,124 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2023-02-18 01:58:19,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-02-18 01:58:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-02-18 01:58:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-02-18 01:58:19,125 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:19,125 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1] [2023-02-18 01:58:19,132 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:19,330 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 [2023-02-18 01:58:19,331 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:19,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:19,331 INFO L85 PathProgramCache]: Analyzing trace with hash -670274197, now seen corresponding path program 1 times [2023-02-18 01:58:19,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:19,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239308298] [2023-02-18 01:58:19,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:19,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:19,341 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:19,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [596198178] [2023-02-18 01:58:19,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:19,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:19,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:19,345 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) [2023-02-18 01:58:19,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-02-18 01:58:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:19,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 30 conjunts are in the unsatisfiable core [2023-02-18 01:58:19,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:19,535 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 13 proven. 14 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-02-18 01:58:19,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:19,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:19,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239308298] [2023-02-18 01:58:19,600 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:19,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596198178] [2023-02-18 01:58:19,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596198178] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 01:58:19,601 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 01:58:19,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2023-02-18 01:58:19,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034185830] [2023-02-18 01:58:19,601 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:19,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-02-18 01:58:19,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:19,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-02-18 01:58:19,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-02-18 01:58:19,603 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-18 01:58:19,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:19,787 INFO L93 Difference]: Finished difference Result 60 states and 72 transitions. [2023-02-18 01:58:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-02-18 01:58:19,787 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 56 [2023-02-18 01:58:19,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:19,790 INFO L225 Difference]: With dead ends: 60 [2023-02-18 01:58:19,790 INFO L226 Difference]: Without dead ends: 58 [2023-02-18 01:58:19,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2023-02-18 01:58:19,792 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 24 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:19,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 120 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:19,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-02-18 01:58:19,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2023-02-18 01:58:19,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.125) internal successors, (36), 33 states have internal predecessors, (36), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-02-18 01:58:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2023-02-18 01:58:19,811 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 56 [2023-02-18 01:58:19,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:19,812 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2023-02-18 01:58:19,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-02-18 01:58:19,813 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2023-02-18 01:58:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-02-18 01:58:19,814 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:19,815 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:19,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-02-18 01:58:20,020 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 [2023-02-18 01:58:20,020 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:20,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:20,021 INFO L85 PathProgramCache]: Analyzing trace with hash -759965185, now seen corresponding path program 1 times [2023-02-18 01:58:20,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:20,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133845481] [2023-02-18 01:58:20,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:20,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:20,046 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:20,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936905095] [2023-02-18 01:58:20,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:20,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:20,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:20,048 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) [2023-02-18 01:58:20,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-02-18 01:58:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:20,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2023-02-18 01:58:20,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:20,125 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-02-18 01:58:20,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-02-18 01:58:20,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:20,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133845481] [2023-02-18 01:58:20,152 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:20,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936905095] [2023-02-18 01:58:20,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936905095] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:58:20,152 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:58:20,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2023-02-18 01:58:20,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573492457] [2023-02-18 01:58:20,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:20,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-18 01:58:20,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:20,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-18 01:58:20,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-02-18 01:58:20,154 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-02-18 01:58:20,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:20,273 INFO L93 Difference]: Finished difference Result 102 states and 142 transitions. [2023-02-18 01:58:20,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-18 01:58:20,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 65 [2023-02-18 01:58:20,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:20,274 INFO L225 Difference]: With dead ends: 102 [2023-02-18 01:58:20,274 INFO L226 Difference]: Without dead ends: 94 [2023-02-18 01:58:20,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-02-18 01:58:20,275 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 36 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:20,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 195 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:20,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-02-18 01:58:20,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2023-02-18 01:58:20,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 47 states have internal predecessors, (55), 32 states have call successors, (32), 6 states have call predecessors, (32), 6 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-02-18 01:58:20,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 118 transitions. [2023-02-18 01:58:20,297 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 118 transitions. Word has length 65 [2023-02-18 01:58:20,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:20,298 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 118 transitions. [2023-02-18 01:58:20,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 5 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-02-18 01:58:20,298 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 118 transitions. [2023-02-18 01:58:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-02-18 01:58:20,299 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:20,299 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:20,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:20,503 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 [2023-02-18 01:58:20,504 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:20,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash -696294669, now seen corresponding path program 1 times [2023-02-18 01:58:20,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:20,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780075855] [2023-02-18 01:58:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:20,513 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:20,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1546451719] [2023-02-18 01:58:20,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:20,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:20,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:20,514 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) [2023-02-18 01:58:20,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-02-18 01:58:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:20,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 17 conjunts are in the unsatisfiable core [2023-02-18 01:58:20,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:20,581 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 35 proven. 18 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-02-18 01:58:20,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-02-18 01:58:20,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:20,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780075855] [2023-02-18 01:58:20,667 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:20,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546451719] [2023-02-18 01:58:20,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546451719] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:58:20,667 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:58:20,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 15 [2023-02-18 01:58:20,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862065166] [2023-02-18 01:58:20,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:20,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-18 01:58:20,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:20,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-18 01:58:20,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2023-02-18 01:58:20,669 INFO L87 Difference]: Start difference. First operand 85 states and 118 transitions. Second operand has 15 states, 13 states have (on average 2.769230769230769) internal successors, (36), 11 states have internal predecessors, (36), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2023-02-18 01:58:20,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:20,809 INFO L93 Difference]: Finished difference Result 100 states and 133 transitions. [2023-02-18 01:58:20,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-02-18 01:58:20,810 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 2.769230769230769) internal successors, (36), 11 states have internal predecessors, (36), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) Word has length 71 [2023-02-18 01:58:20,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:20,810 INFO L225 Difference]: With dead ends: 100 [2023-02-18 01:58:20,810 INFO L226 Difference]: Without dead ends: 55 [2023-02-18 01:58:20,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2023-02-18 01:58:20,811 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 35 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:20,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 180 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:20,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-02-18 01:58:20,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-02-18 01:58:20,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 16 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-02-18 01:58:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2023-02-18 01:58:20,818 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 71 [2023-02-18 01:58:20,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:20,818 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2023-02-18 01:58:20,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 2.769230769230769) internal successors, (36), 11 states have internal predecessors, (36), 10 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 10 states have call predecessors, (21), 10 states have call successors, (21) [2023-02-18 01:58:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2023-02-18 01:58:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-02-18 01:58:20,819 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:20,819 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:20,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:21,024 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 [2023-02-18 01:58:21,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:21,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:21,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1712962370, now seen corresponding path program 1 times [2023-02-18 01:58:21,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:21,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639244444] [2023-02-18 01:58:21,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:21,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:21,040 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:21,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829479411] [2023-02-18 01:58:21,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:21,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:21,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:21,061 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) [2023-02-18 01:58:21,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-02-18 01:58:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:21,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 42 conjunts are in the unsatisfiable core [2023-02-18 01:58:21,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 22 proven. 26 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-02-18 01:58:21,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:21,550 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 19 proven. 20 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-02-18 01:58:21,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:21,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639244444] [2023-02-18 01:58:21,550 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:21,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829479411] [2023-02-18 01:58:21,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829479411] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:58:21,551 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:58:21,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2023-02-18 01:58:21,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483426280] [2023-02-18 01:58:21,552 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:21,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-02-18 01:58:21,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:21,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-02-18 01:58:21,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2023-02-18 01:58:21,554 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand has 23 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 17 states have internal predecessors, (39), 13 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2023-02-18 01:58:22,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:22,414 INFO L93 Difference]: Finished difference Result 87 states and 107 transitions. [2023-02-18 01:58:22,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-02-18 01:58:22,415 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 17 states have internal predecessors, (39), 13 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 87 [2023-02-18 01:58:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:22,415 INFO L225 Difference]: With dead ends: 87 [2023-02-18 01:58:22,416 INFO L226 Difference]: Without dead ends: 85 [2023-02-18 01:58:22,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=246, Invalid=1086, Unknown=0, NotChecked=0, Total=1332 [2023-02-18 01:58:22,416 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 46 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:22,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 278 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-18 01:58:22,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-02-18 01:58:22,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 79. [2023-02-18 01:58:22,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 47 states have internal predecessors, (49), 25 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-02-18 01:58:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2023-02-18 01:58:22,441 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 87 [2023-02-18 01:58:22,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:22,442 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2023-02-18 01:58:22,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 17 states have internal predecessors, (39), 13 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2023-02-18 01:58:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2023-02-18 01:58:22,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-02-18 01:58:22,443 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:22,443 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:22,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:22,643 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 [2023-02-18 01:58:22,644 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:22,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:22,644 INFO L85 PathProgramCache]: Analyzing trace with hash 169494115, now seen corresponding path program 1 times [2023-02-18 01:58:22,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:22,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107958506] [2023-02-18 01:58:22,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:22,652 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:22,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [514145983] [2023-02-18 01:58:22,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:22,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:22,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:22,653 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) [2023-02-18 01:58:22,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-02-18 01:58:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:58:22,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 45 conjunts are in the unsatisfiable core [2023-02-18 01:58:22,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:22,847 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 58 proven. 34 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-02-18 01:58:22,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:23,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:23,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107958506] [2023-02-18 01:58:23,016 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:23,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514145983] [2023-02-18 01:58:23,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514145983] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-18 01:58:23,016 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-02-18 01:58:23,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2023-02-18 01:58:23,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556440782] [2023-02-18 01:58:23,016 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:23,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-02-18 01:58:23,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:23,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-02-18 01:58:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-02-18 01:58:23,017 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 15 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2023-02-18 01:58:23,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:23,390 INFO L93 Difference]: Finished difference Result 90 states and 109 transitions. [2023-02-18 01:58:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-02-18 01:58:23,390 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 92 [2023-02-18 01:58:23,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:23,392 INFO L225 Difference]: With dead ends: 90 [2023-02-18 01:58:23,392 INFO L226 Difference]: Without dead ends: 79 [2023-02-18 01:58:23,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 85 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=535, Unknown=0, NotChecked=0, Total=650 [2023-02-18 01:58:23,393 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 27 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:23,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 148 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-02-18 01:58:23,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-02-18 01:58:23,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-02-18 01:58:23,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.0666666666666667) internal successors, (48), 47 states have internal predecessors, (48), 25 states have call successors, (25), 8 states have call predecessors, (25), 8 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-02-18 01:58:23,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2023-02-18 01:58:23,406 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 92 [2023-02-18 01:58:23,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:23,406 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2023-02-18 01:58:23,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.0) internal successors, (28), 12 states have internal predecessors, (28), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2023-02-18 01:58:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2023-02-18 01:58:23,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-02-18 01:58:23,408 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:58:23,408 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:23,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:23,612 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 [2023-02-18 01:58:23,613 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:58:23,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:58:23,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1935008700, now seen corresponding path program 2 times [2023-02-18 01:58:23,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:58:23,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998040770] [2023-02-18 01:58:23,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:58:23,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:58:23,624 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:58:23,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958117487] [2023-02-18 01:58:23,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-02-18 01:58:23,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:58:23,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:58:23,625 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) [2023-02-18 01:58:23,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-02-18 01:58:23,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-02-18 01:58:23,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-02-18 01:58:23,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 11 conjunts are in the unsatisfiable core [2023-02-18 01:58:23,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:58:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 74 proven. 33 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2023-02-18 01:58:23,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:58:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2023-02-18 01:58:23,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:58:23,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998040770] [2023-02-18 01:58:23,749 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:58:23,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958117487] [2023-02-18 01:58:23,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958117487] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:58:23,749 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:58:23,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-02-18 01:58:23,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936874177] [2023-02-18 01:58:23,749 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:58:23,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-02-18 01:58:23,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:58:23,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-02-18 01:58:23,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2023-02-18 01:58:23,751 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 10 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 9 states have call predecessors, (32), 10 states have call successors, (32) [2023-02-18 01:58:23,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:58:23,905 INFO L93 Difference]: Finished difference Result 79 states and 97 transitions. [2023-02-18 01:58:23,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-18 01:58:23,905 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 10 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 9 states have call predecessors, (32), 10 states have call successors, (32) Word has length 114 [2023-02-18 01:58:23,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:58:23,905 INFO L225 Difference]: With dead ends: 79 [2023-02-18 01:58:23,905 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 01:58:23,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2023-02-18 01:58:23,906 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 20 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:58:23,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 175 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:58:23,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 01:58:23,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 01:58:23,907 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) [2023-02-18 01:58:23,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 01:58:23,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2023-02-18 01:58:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:58:23,907 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 01:58:23,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 10 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (32), 9 states have call predecessors, (32), 10 states have call successors, (32) [2023-02-18 01:58:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 01:58:23,908 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 01:58:23,909 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 01:58:23,915 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-02-18 01:58:24,114 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 [2023-02-18 01:58:24,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 01:58:24,128 INFO L895 garLoopResultBuilder]: At program point L48(line 48) the Hoare annotation is: (let ((.cse25 (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~c~0#1|)) (.cse24 (* (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse23 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (not (= |ULTIMATE.start_main_~b~0#1| 0))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| (+ |ULTIMATE.start_main_~c~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~k~0#1|)))) (.cse2 (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse4 (<= |ULTIMATE.start_main_~b~0#1| 1)) (.cse5 (<= |ULTIMATE.start_main_~a~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse7 (let ((.cse26 (>= |ULTIMATE.start_main_~y~0#1| 1))) (or .cse26 (and .cse26 (<= 1 |ULTIMATE.start_main_~b~0#1|))))) (.cse8 (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse11 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse12 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse19 (or (= |ULTIMATE.start_main_~c~0#1| 0) .cse23)) (.cse13 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse20 (<= |ULTIMATE.start_main_~b~0#1| (+ .cse24 1))) (.cse21 (<= |ULTIMATE.start_main_~b~0#1| .cse25)) (.cse18 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~c~0#1| 1) (<= 1 |ULTIMATE.start_main_~c~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_main_~k~0#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18) (and (or (= (let ((.cse22 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse22 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse22 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse23) (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ .cse24 |ULTIMATE.start_main_~c~0#1|))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= .cse25 1) .cse7 (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~b~0#1|) .cse8 (= |ULTIMATE.start_main_~k~0#1| (+ 0 1)) (>= |ULTIMATE.start_main_~c~0#1| (+ |ULTIMATE.start_main_~x~0#1| (- |ULTIMATE.start_main_~b~0#1|))) .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 (or .cse23 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)) .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18)))) [2023-02-18 01:58:24,129 INFO L895 garLoopResultBuilder]: At program point L48-1(line 48) the Hoare annotation is: (let ((.cse25 (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~c~0#1|)) (.cse24 (* (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse23 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (not (= |ULTIMATE.start_main_~b~0#1| 0))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| (+ |ULTIMATE.start_main_~c~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~k~0#1|)))) (.cse2 (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse4 (<= |ULTIMATE.start_main_~b~0#1| 1)) (.cse5 (<= |ULTIMATE.start_main_~a~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse7 (let ((.cse26 (>= |ULTIMATE.start_main_~y~0#1| 1))) (or .cse26 (and .cse26 (<= 1 |ULTIMATE.start_main_~b~0#1|))))) (.cse8 (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse11 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse12 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse19 (or (= |ULTIMATE.start_main_~c~0#1| 0) .cse23)) (.cse13 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse20 (<= |ULTIMATE.start_main_~b~0#1| (+ .cse24 1))) (.cse21 (<= |ULTIMATE.start_main_~b~0#1| .cse25)) (.cse18 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~c~0#1| 1) (<= 1 |ULTIMATE.start_main_~c~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_main_~k~0#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18) (and (or (= (let ((.cse22 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse22 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse22 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse23) (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ .cse24 |ULTIMATE.start_main_~c~0#1|))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= .cse25 1) .cse7 (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~b~0#1|) .cse8 (= |ULTIMATE.start_main_~k~0#1| (+ 0 1)) (>= |ULTIMATE.start_main_~c~0#1| (+ |ULTIMATE.start_main_~x~0#1| (- |ULTIMATE.start_main_~b~0#1|))) .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 (or .cse23 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)) .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18)))) [2023-02-18 01:58:24,129 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 18 74) the Hoare annotation is: true [2023-02-18 01:58:24,129 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 01:58:24,129 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 01:58:24,129 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (and (<= |ULTIMATE.start_main_~x~0#1| 1) (>= |ULTIMATE.start_main_~x~0#1| 0)) [2023-02-18 01:58:24,129 INFO L895 garLoopResultBuilder]: At program point L24-1(line 24) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~y~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= |ULTIMATE.start_main_~y~0#1| 1) (>= |ULTIMATE.start_main_~x~0#1| 0)) [2023-02-18 01:58:24,130 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (let ((.cse25 (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~c~0#1|)) (.cse24 (* (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse23 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (not (= |ULTIMATE.start_main_~b~0#1| 0))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| (+ |ULTIMATE.start_main_~c~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~k~0#1|)))) (.cse2 (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse4 (<= |ULTIMATE.start_main_~b~0#1| 1)) (.cse5 (<= |ULTIMATE.start_main_~a~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse7 (let ((.cse26 (>= |ULTIMATE.start_main_~y~0#1| 1))) (or .cse26 (and .cse26 (<= 1 |ULTIMATE.start_main_~b~0#1|))))) (.cse8 (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse11 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse12 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse19 (or (= |ULTIMATE.start_main_~c~0#1| 0) .cse23)) (.cse13 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse20 (<= |ULTIMATE.start_main_~b~0#1| (+ .cse24 1))) (.cse21 (<= |ULTIMATE.start_main_~b~0#1| .cse25)) (.cse18 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~c~0#1| 1) (<= 1 |ULTIMATE.start_main_~c~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_main_~k~0#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18) (and (or (= (let ((.cse22 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse22 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse22 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse23) (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ .cse24 |ULTIMATE.start_main_~c~0#1|))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= .cse25 1) .cse7 (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~b~0#1|) .cse8 (= |ULTIMATE.start_main_~k~0#1| (+ 0 1)) (>= |ULTIMATE.start_main_~c~0#1| (+ |ULTIMATE.start_main_~x~0#1| (- |ULTIMATE.start_main_~b~0#1|))) .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 (or .cse23 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)) .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18)))) [2023-02-18 01:58:24,130 INFO L895 garLoopResultBuilder]: At program point L41-1(lines 41 68) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~c~0#1| 0)) (.cse4 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse6 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse9 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse12 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse10 (+ (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse11 (* (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse5 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse7 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse8 (<= |ULTIMATE.start_main_~y~0#1| 1))) (or (let ((.cse2 (not .cse12)) (.cse3 (< .cse10 (+ .cse11 |ULTIMATE.start_main_~c~0#1|)))) (and .cse0 (or (= (let ((.cse1 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse1 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse1 |ULTIMATE.start_main_~s~0#1|)))))) 0) .cse2 .cse3) (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_main_~p~0#1| 1) (<= |ULTIMATE.start_main_~b~0#1| 1) (<= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1) (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) .cse4 (<= 1 |ULTIMATE.start_main_~b~0#1|) .cse5 (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~a~0#1|) .cse6 .cse7 .cse8 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) .cse9 (or .cse2 .cse3) (= |ULTIMATE.start_main_~s~0#1| 1))) (let ((.cse18 (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse17 (+ (- 1) |ULTIMATE.start_main_~y~0#1|))) (let ((.cse19 (<= .cse18 .cse17))) (and (= |ULTIMATE.start_main_~p~0#1| 0) (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (let ((.cse15 (+ 0 1))) (let ((.cse13 (or (= (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* (- 1) |ULTIMATE.start_main_~q~0#1| .cse15))) (* (+ (- (* |ULTIMATE.start_main_~s~0#1| .cse15)) |ULTIMATE.start_main_~r~0#1|) |ULTIMATE.start_main_~y~0#1|)) 0) (< .cse10 (+ .cse11 |ULTIMATE.start_main_~a~0#1|)) (not (>= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse16 (= |ULTIMATE.start_main_~b~0#1| 0)) (.cse20 (or .cse12 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)))) (or (let ((.cse14 (+ (- 1) |ULTIMATE.start_main_~x~0#1|))) (and .cse13 .cse0 (<= 0 .cse14) (= (+ (* .cse15 0) |ULTIMATE.start_main_~q~0#1|) 1) .cse16 (<= 0 .cse17) (<= .cse18 .cse14) .cse4 .cse5 (= |ULTIMATE.start_main_~s~0#1| (+ (- (* .cse15 1)) 0)) .cse19 .cse6 .cse20 .cse7 .cse8 .cse9)) (and .cse13 .cse0 .cse16 .cse4 .cse5 .cse6 .cse20 .cse7 .cse8 .cse9 (= (+ (* |ULTIMATE.start_main_~s~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~x~0#1|)) 0))))) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) .cse5 .cse19 (= |ULTIMATE.start_main_~r~0#1| 1) .cse7 .cse8))))) [2023-02-18 01:58:24,130 INFO L895 garLoopResultBuilder]: At program point L41-2(lines 41 68) the Hoare annotation is: (let ((.cse10 (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse9 (+ (- 1) |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (<= .cse10 .cse9)) (.cse0 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse12 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse13 (<= |ULTIMATE.start_main_~y~0#1| 1))) (and (= |ULTIMATE.start_main_~p~0#1| 0) (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (let ((.cse14 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse7 (+ 0 1)) (.cse19 (+ (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse20 (* (- 1) |ULTIMATE.start_main_~b~0#1|))) (let ((.cse2 (or (= (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* (- 1) |ULTIMATE.start_main_~q~0#1| .cse7))) (* (+ (- (* |ULTIMATE.start_main_~s~0#1| .cse7)) |ULTIMATE.start_main_~r~0#1|) |ULTIMATE.start_main_~y~0#1|)) 0) (< .cse19 (+ .cse20 |ULTIMATE.start_main_~a~0#1|)) (not (>= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse3 (= |ULTIMATE.start_main_~c~0#1| 0)) (.cse4 (or (= (let ((.cse18 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse18 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse18 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse14) (< .cse19 (+ .cse20 |ULTIMATE.start_main_~c~0#1|)))) (.cse5 (let ((.cse15 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0))) (or (and .cse15 .cse0 (<= 1 |ULTIMATE.start_main_~a~0#1|) .cse16 .cse12 .cse13 .cse17) (and .cse15 .cse0 .cse16 .cse12 .cse13 .cse17)))) (.cse8 (= |ULTIMATE.start_main_~b~0#1| 0)) (.cse11 (or .cse14 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)))) (or (let ((.cse6 (+ (- 1) |ULTIMATE.start_main_~x~0#1|))) (and .cse2 .cse3 .cse4 .cse5 (<= 0 .cse6) (= (+ (* .cse7 0) |ULTIMATE.start_main_~q~0#1|) 1) .cse8 (<= 0 .cse9) (<= .cse10 .cse6) .cse0 (= |ULTIMATE.start_main_~s~0#1| (+ (- (* .cse7 1)) 0)) .cse1 .cse11 .cse12 .cse13)) (and .cse2 .cse3 .cse4 .cse5 .cse8 .cse0 .cse11 .cse12 .cse13 (= (+ (* |ULTIMATE.start_main_~s~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~x~0#1|)) 0))))) (= |ULTIMATE.start_main_~r~0#1| 1) .cse12 .cse13))) [2023-02-18 01:58:24,130 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 01:58:24,131 INFO L895 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~y~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 1) (>= |ULTIMATE.start_main_~x~0#1| 1) (<= |ULTIMATE.start_main_~y~0#1| 1) (>= |ULTIMATE.start_main_~x~0#1| 0)) [2023-02-18 01:58:24,131 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse25 (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~c~0#1|)) (.cse24 (* (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse23 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (not (= |ULTIMATE.start_main_~b~0#1| 0))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| (+ |ULTIMATE.start_main_~c~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~k~0#1|)))) (.cse2 (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse4 (<= |ULTIMATE.start_main_~b~0#1| 1)) (.cse5 (<= |ULTIMATE.start_main_~a~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse7 (let ((.cse26 (>= |ULTIMATE.start_main_~y~0#1| 1))) (or .cse26 (and .cse26 (<= 1 |ULTIMATE.start_main_~b~0#1|))))) (.cse8 (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse11 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse12 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse19 (or (= |ULTIMATE.start_main_~c~0#1| 0) .cse23)) (.cse13 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse20 (<= |ULTIMATE.start_main_~b~0#1| (+ .cse24 1))) (.cse21 (<= |ULTIMATE.start_main_~b~0#1| .cse25)) (.cse18 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~c~0#1| 1) (<= 1 |ULTIMATE.start_main_~c~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_main_~k~0#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18) (and (or (= (let ((.cse22 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse22 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse22 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse23) (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ .cse24 |ULTIMATE.start_main_~c~0#1|))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= .cse25 1) .cse7 (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~b~0#1|) .cse8 (= |ULTIMATE.start_main_~k~0#1| (+ 0 1)) (>= |ULTIMATE.start_main_~c~0#1| (+ |ULTIMATE.start_main_~x~0#1| (- |ULTIMATE.start_main_~b~0#1|))) .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 (or .cse23 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)) .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18)))) [2023-02-18 01:58:24,131 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 43) no Hoare annotation was computed. [2023-02-18 01:58:24,131 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 01:58:24,131 INFO L895 garLoopResultBuilder]: At program point L71(line 71) the Hoare annotation is: (let ((.cse10 (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~x~0#1|)) (.cse9 (+ (- 1) |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (<= .cse10 .cse9)) (.cse0 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse12 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse13 (<= |ULTIMATE.start_main_~y~0#1| 1))) (and (= |ULTIMATE.start_main_~p~0#1| 0) (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (let ((.cse14 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse7 (+ 0 1)) (.cse19 (+ (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse20 (* (- 1) |ULTIMATE.start_main_~b~0#1|))) (let ((.cse2 (or (= (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* (- 1) |ULTIMATE.start_main_~q~0#1| .cse7))) (* (+ (- (* |ULTIMATE.start_main_~s~0#1| .cse7)) |ULTIMATE.start_main_~r~0#1|) |ULTIMATE.start_main_~y~0#1|)) 0) (< .cse19 (+ .cse20 |ULTIMATE.start_main_~a~0#1|)) (not (>= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)))) (.cse3 (= |ULTIMATE.start_main_~c~0#1| 0)) (.cse4 (or (= (let ((.cse18 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse18 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse18 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse14) (< .cse19 (+ .cse20 |ULTIMATE.start_main_~c~0#1|)))) (.cse5 (let ((.cse15 (>= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0))) (or (and .cse15 .cse0 (<= 1 |ULTIMATE.start_main_~a~0#1|) .cse16 .cse12 .cse13 .cse17) (and .cse15 .cse0 .cse16 .cse12 .cse13 .cse17)))) (.cse8 (= |ULTIMATE.start_main_~b~0#1| 0)) (.cse11 (or .cse14 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)))) (or (let ((.cse6 (+ (- 1) |ULTIMATE.start_main_~x~0#1|))) (and .cse2 .cse3 .cse4 .cse5 (<= 0 .cse6) (= (+ (* .cse7 0) |ULTIMATE.start_main_~q~0#1|) 1) .cse8 (<= 0 .cse9) (<= .cse10 .cse6) .cse0 (= |ULTIMATE.start_main_~s~0#1| (+ (- (* .cse7 1)) 0)) .cse1 .cse11 .cse12 .cse13)) (and .cse2 .cse3 .cse4 .cse5 .cse8 .cse0 .cse11 .cse12 .cse13) (and .cse2 .cse3 .cse4 .cse5 .cse8 .cse0 .cse11 .cse12 .cse13 (= (+ (* |ULTIMATE.start_main_~s~0#1| |ULTIMATE.start_main_~y~0#1|) (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~x~0#1|)) 0))))) (= |ULTIMATE.start_main_~r~0#1| 1) .cse12 .cse13))) [2023-02-18 01:58:24,132 INFO L895 garLoopResultBuilder]: At program point L38(line 38) the Hoare annotation is: (let ((.cse1 (not (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (.cse2 (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~b~0#1|) |ULTIMATE.start_main_~c~0#1|)))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (or (= (let ((.cse0 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse0 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse0 |ULTIMATE.start_main_~s~0#1|)))))) 0) .cse1 .cse2) (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_main_~p~0#1| 1) (<= |ULTIMATE.start_main_~b~0#1| 1) (<= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1) (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) (>= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~b~0#1|) (>= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 1) (>= |ULTIMATE.start_main_~x~0#1| 1) (<= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (>= |ULTIMATE.start_main_~x~0#1| 0) (or .cse1 .cse2) (= |ULTIMATE.start_main_~s~0#1| 1))) [2023-02-18 01:58:24,132 INFO L895 garLoopResultBuilder]: At program point L38-1(line 38) the Hoare annotation is: (let ((.cse1 (not (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (.cse2 (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ (* (- 1) |ULTIMATE.start_main_~b~0#1|) |ULTIMATE.start_main_~c~0#1|)))) (and (= |ULTIMATE.start_main_~c~0#1| 0) (or (= (let ((.cse0 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse0 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse0 |ULTIMATE.start_main_~s~0#1|)))))) 0) .cse1 .cse2) (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (= |ULTIMATE.start_main_~p~0#1| 1) (<= |ULTIMATE.start_main_~b~0#1| 1) (<= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 1) (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|) (>= |ULTIMATE.start_main_~y~0#1| 1) (<= 1 |ULTIMATE.start_main_~b~0#1|) (>= |ULTIMATE.start_main_~y~0#1| 0) (= |ULTIMATE.start_main_~r~0#1| 0) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 1) (>= |ULTIMATE.start_main_~x~0#1| 1) (<= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (>= |ULTIMATE.start_main_~x~0#1| 0) (or .cse1 .cse2) (= |ULTIMATE.start_main_~s~0#1| 1))) [2023-02-18 01:58:24,132 INFO L899 garLoopResultBuilder]: For program point L26(line 26) no Hoare annotation was computed. [2023-02-18 01:58:24,132 INFO L902 garLoopResultBuilder]: At program point L22(line 22) the Hoare annotation is: true [2023-02-18 01:58:24,132 INFO L899 garLoopResultBuilder]: For program point L22-1(line 22) no Hoare annotation was computed. [2023-02-18 01:58:24,132 INFO L899 garLoopResultBuilder]: For program point L51(lines 47 56) no Hoare annotation was computed. [2023-02-18 01:58:24,132 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 56) the Hoare annotation is: (let ((.cse25 (+ |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~c~0#1|)) (.cse24 (* (- 1) |ULTIMATE.start_main_~b~0#1|)) (.cse23 (>= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~b~0#1|))) (let ((.cse0 (not (= |ULTIMATE.start_main_~b~0#1| 0))) (.cse1 (= |ULTIMATE.start_main_~a~0#1| (+ |ULTIMATE.start_main_~c~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~k~0#1|)))) (.cse2 (= |ULTIMATE.start_main_~yy~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (.cse3 (= |ULTIMATE.start_main_~p~0#1| 1)) (.cse4 (<= |ULTIMATE.start_main_~b~0#1| 1)) (.cse5 (<= |ULTIMATE.start_main_~a~0#1| 1)) (.cse6 (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse7 (let ((.cse26 (>= |ULTIMATE.start_main_~y~0#1| 1))) (or .cse26 (and .cse26 (<= 1 |ULTIMATE.start_main_~b~0#1|))))) (.cse8 (>= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse9 (>= |ULTIMATE.start_main_~y~0#1| 0)) (.cse10 (= |ULTIMATE.start_main_~r~0#1| 0)) (.cse11 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse12 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse19 (or (= |ULTIMATE.start_main_~c~0#1| 0) .cse23)) (.cse13 (<= |ULTIMATE.start_main_~x~0#1| 1)) (.cse14 (>= |ULTIMATE.start_main_~x~0#1| 1)) (.cse15 (<= |ULTIMATE.start_main_~y~0#1| 1)) (.cse16 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|)) (.cse17 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse20 (<= |ULTIMATE.start_main_~b~0#1| (+ .cse24 1))) (.cse21 (<= |ULTIMATE.start_main_~b~0#1| .cse25)) (.cse18 (= |ULTIMATE.start_main_~s~0#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~c~0#1| |ULTIMATE.start_main_~x~0#1|) .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~c~0#1| 1) (<= 1 |ULTIMATE.start_main_~c~0#1|) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 (= |ULTIMATE.start_main_~k~0#1| 0) .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18) (and (or (= (let ((.cse22 (+ |ULTIMATE.start_main_~k~0#1| 1))) (+ (* |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~p~0#1| (* .cse22 (- 1) |ULTIMATE.start_main_~q~0#1|))) (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* .cse22 |ULTIMATE.start_main_~s~0#1|)))))) 0) (not .cse23) (< (+ (- 1) |ULTIMATE.start_main_~b~0#1|) (+ .cse24 |ULTIMATE.start_main_~c~0#1|))) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= .cse25 1) .cse7 (>= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~b~0#1|) .cse8 (= |ULTIMATE.start_main_~k~0#1| (+ 0 1)) (>= |ULTIMATE.start_main_~c~0#1| (+ |ULTIMATE.start_main_~x~0#1| (- |ULTIMATE.start_main_~b~0#1|))) .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse19 .cse13 (or .cse23 (= (+ (* |ULTIMATE.start_main_~y~0#1| (+ |ULTIMATE.start_main_~r~0#1| (- (* |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~s~0#1|)))) (* (+ (* (- 1) |ULTIMATE.start_main_~k~0#1| |ULTIMATE.start_main_~q~0#1|) |ULTIMATE.start_main_~p~0#1|) |ULTIMATE.start_main_~x~0#1|)) 0)) .cse14 .cse15 .cse16 .cse17 .cse20 .cse21 .cse18)))) [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point L47-3(lines 47 56) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 7 9) the Hoare annotation is: true [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point L8-2(lines 7 9) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 13) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2023-02-18 01:58:24,133 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 10 16) no Hoare annotation was computed. [2023-02-18 01:58:24,134 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 10 16) the Hoare annotation is: true [2023-02-18 01:58:24,134 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 10 16) no Hoare annotation was computed. [2023-02-18 01:58:24,134 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2023-02-18 01:58:24,136 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:58:24,137 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 01:58:24,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:58:24 BoogieIcfgContainer [2023-02-18 01:58:24,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 01:58:24,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 01:58:24,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 01:58:24,153 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 01:58:24,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:58:16" (3/4) ... [2023-02-18 01:58:24,159 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 01:58:24,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-18 01:58:24,164 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-02-18 01:58:24,167 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-02-18 01:58:24,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 01:58:24,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 01:58:24,168 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 01:58:24,200 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 01:58:24,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 01:58:24,201 INFO L158 Benchmark]: Toolchain (without parser) took 8050.45ms. Allocated memory was 146.8MB in the beginning and 251.7MB in the end (delta: 104.9MB). Free memory was 116.3MB in the beginning and 116.8MB in the end (delta: -548.7kB). Peak memory consumption was 106.8MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,201 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 01:58:24,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.31ms. Allocated memory is still 146.8MB. Free memory was 116.3MB in the beginning and 105.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.21ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 103.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,203 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 102.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,204 INFO L158 Benchmark]: RCFGBuilder took 288.23ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 91.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,204 INFO L158 Benchmark]: TraceAbstraction took 7456.73ms. Allocated memory was 146.8MB in the beginning and 251.7MB in the end (delta: 104.9MB). Free memory was 90.8MB in the beginning and 120.0MB in the end (delta: -29.2MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,204 INFO L158 Benchmark]: Witness Printer took 47.65ms. Allocated memory is still 251.7MB. Free memory was 120.0MB in the beginning and 116.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 01:58:24,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 117.4MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.31ms. Allocated memory is still 146.8MB. Free memory was 116.3MB in the beginning and 105.5MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.21ms. Allocated memory is still 146.8MB. Free memory was 105.5MB in the beginning and 103.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 146.8MB. Free memory was 103.7MB in the beginning and 102.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 288.23ms. Allocated memory is still 146.8MB. Free memory was 102.6MB in the beginning and 91.2MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7456.73ms. Allocated memory was 146.8MB in the beginning and 251.7MB in the end (delta: 104.9MB). Free memory was 90.8MB in the beginning and 120.0MB in the end (delta: -29.2MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Witness Printer took 47.65ms. Allocated memory is still 251.7MB. Free memory was 120.0MB in the beginning and 116.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 305 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 261 mSDsluCounter, 1619 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1232 mSDsCounter, 204 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2420 IncrementalHoareTripleChecker+Invalid, 2624 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 204 mSolverCounterUnsat, 387 mSDtfsCounter, 2420 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1179 GetRequests, 1001 SyntacticMatches, 12 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=7, InterpolantAutomatonStates: 113, 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, 27 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 75 PreInvPairs, 105 NumberOfFragments, 3737 HoareAnnotationTreeSize, 75 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1103 ConstructedInterpolants, 0 QuantifiedInterpolants, 4501 SizeOfPredicates, 73 NumberOfNonLiveVariables, 1844 ConjunctsInSsa, 229 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 2108/2384 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: 47]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((!(b == 0) && a == c + b * k) && yy == y * y) && p == 1) && c == x) && b <= 1) && a <= 1) && b == y) && c <= 1) && 1 <= c) && (y >= 1 || (y >= 1 && 1 <= b))) && y >= b) && y >= 0) && r == 0) && q == 0) && 1 <= a) && k == 0) && x <= 1) && x >= 1) && y <= 1) && a == x) && x >= 0) && s == 1) || (((((((((((((((((((((!(b == 0) && a == c + b * k) && yy == y * y) && p == 1) && b <= 1) && a <= 1) && b == y) && (y >= 1 || (y >= 1 && 1 <= b))) && y >= b) && y >= 0) && r == 0) && q == 0) && 1 <= a) && (c == 0 || c >= b)) && x <= 1) && x >= 1) && y <= 1) && a == x) && x >= 0) && b <= -1 * b + 1) && b <= b + c) && s == 1)) || ((((((((((((((((((((((((((x * (p + (k + 1) * -1 * q) + y * (r + -((k + 1) * s)) == 0 || !(c >= b)) || -1 + b < -1 * b + c) && !(b == 0)) && a == c + b * k) && yy == y * y) && p == 1) && b <= 1) && a <= 1) && b == y) && b + c <= 1) && (y >= 1 || (y >= 1 && 1 <= b))) && x >= b) && y >= b) && k == 0 + 1) && c >= x + -b) && y >= 0) && r == 0) && q == 0) && 1 <= a) && (c == 0 || c >= b)) && x <= 1) && x >= 1) && y <= 1) && a == x) && x >= 0) && s == 1)) || ((((((((((((((((((((((!(b == 0) && a == c + b * k) && yy == y * y) && p == 1) && b <= 1) && a <= 1) && b == y) && (y >= 1 || (y >= 1 && 1 <= b))) && y >= b) && y >= 0) && r == 0) && q == 0) && 1 <= a) && (c == 0 || c >= b)) && x <= 1) && (c >= b || y * (r + -(k * s)) + (-1 * k * q + p) * x == 0)) && x >= 1) && y <= 1) && a == x) && x >= 0) && b <= -1 * b + 1) && b <= b + c) && s == 1) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: (((((((((((((((((((((c == 0 && ((x * (p + (k + 1) * -1 * q) + y * (r + -((k + 1) * s)) == 0 || !(c >= b)) || -1 + b < -1 * b + c)) && yy == y * y) && p == 1) && b <= 1) && a <= 1) && b == y) && c <= 1) && y >= b) && y >= 1) && 1 <= b) && y >= 0) && r == 0) && q == 0) && 1 <= a) && x <= 1) && x >= 1) && y <= 1) && a == x) && x >= 0) && (!(c >= b) || -1 + b < -1 * b + c)) && s == 1) || ((((((((p == 0 && x >= y) && ((((((((((((((((((x * (p + -1 * q * (0 + 1)) + (-(s * (0 + 1)) + r) * y == 0 || -1 + b < -1 * b + a) || !(a >= b)) && c == 0) && 0 <= -1 + x) && (0 + 1) * 0 + q == 1) && b == 0) && 0 <= -1 + y) && -1 * y + x <= -1 + x) && y >= 1) && y >= 0) && s == -((0 + 1) * 1) + 0) && -1 * y + x <= -1 + y) && x <= 1) && (c >= b || y * (r + -(k * s)) + (-1 * k * q + p) * x == 0)) && x >= 1) && y <= 1) && x >= 0) || ((((((((((((x * (p + -1 * q * (0 + 1)) + (-(s * (0 + 1)) + r) * y == 0 || -1 + b < -1 * b + a) || !(a >= b)) && c == 0) && b == 0) && y >= 1) && y >= 0) && x <= 1) && (c >= b || y * (r + -(k * s)) + (-1 * k * q + p) * x == 0)) && x >= 1) && y <= 1) && x >= 0) && s * y + q * x == 0))) && a == y) && y >= 0) && -1 * y + x <= -1 + y) && r == 1) && x >= 1) && y <= 1) RESULT: Ultimate proved your program to be correct! [2023-02-18 01:58:24,247 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