./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 574ddb4e Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.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 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 19:08:05,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 19:08:05,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 19:08:05,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 19:08:05,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 19:08:05,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 19:08:05,668 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 19:08:05,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 19:08:05,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 19:08:05,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 19:08:05,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 19:08:05,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 19:08:05,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 19:08:05,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 19:08:05,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 19:08:05,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 19:08:05,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 19:08:05,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 19:08:05,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 19:08:05,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 19:08:05,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 19:08:05,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 19:08:05,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 19:08:05,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 19:08:05,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 19:08:05,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 19:08:05,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 19:08:05,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 19:08:05,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 19:08:05,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 19:08:05,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 19:08:05,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 19:08:05,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 19:08:05,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 19:08:05,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 19:08:05,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 19:08:05,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 19:08:05,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 19:08:05,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 19:08:05,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 19:08:05,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 19:08:05,705 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 19:08:05,728 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 19:08:05,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 19:08:05,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 19:08:05,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 19:08:05,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 19:08:05,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 19:08:05,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 19:08:05,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 19:08:05,730 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 19:08:05,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 19:08:05,731 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 19:08:05,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 19:08:05,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 19:08:05,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 19:08:05,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 19:08:05,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 19:08:05,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 19:08:05,732 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 19:08:05,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 19:08:05,732 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 19:08:05,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 19:08:05,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 19:08:05,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 19:08:05,733 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 19:08:05,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 19:08:05,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 19:08:05,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 19:08:05,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 19:08:05,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 19:08:05,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 19:08:05,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 19:08:05,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 19:08:05,734 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 19:08:05,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 19:08:05,734 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 19:08:05,734 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1a58ad3e10b615d95cc8c02ce2afb54c727e6977a5f6eabd49347a082a7a12 [2023-02-18 19:08:05,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 19:08:05,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 19:08:05,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 19:08:05,961 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 19:08:05,961 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 19:08:05,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2023-02-18 19:08:06,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 19:08:07,099 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 19:08:07,099 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2023-02-18 19:08:07,103 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9408d2d67/a6231add96034467a58f31c0f56f0d2a/FLAG5dcf0f2d3 [2023-02-18 19:08:07,113 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9408d2d67/a6231add96034467a58f31c0f56f0d2a [2023-02-18 19:08:07,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 19:08:07,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 19:08:07,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 19:08:07,116 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 19:08:07,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 19:08:07,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61dc5555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07, skipping insertion in model container [2023-02-18 19:08:07,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 19:08:07,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 19:08:07,244 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/prod4br-ll_valuebound100.c[524,537] [2023-02-18 19:08:07,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 19:08:07,277 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 19:08:07,286 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/prod4br-ll_valuebound100.c[524,537] [2023-02-18 19:08:07,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 19:08:07,303 INFO L208 MainTranslator]: Completed translation [2023-02-18 19:08:07,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07 WrapperNode [2023-02-18 19:08:07,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 19:08:07,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 19:08:07,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 19:08:07,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 19:08:07,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,342 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2023-02-18 19:08:07,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 19:08:07,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 19:08:07,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 19:08:07,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 19:08:07,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,356 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 19:08:07,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 19:08:07,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 19:08:07,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 19:08:07,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (1/1) ... [2023-02-18 19:08:07,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 19:08:07,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:07,381 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 19:08:07,459 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 19:08:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 19:08:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-18 19:08:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-18 19:08:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 19:08:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 19:08:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 19:08:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-18 19:08:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-18 19:08:07,548 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 19:08:07,550 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 19:08:07,680 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 19:08:07,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 19:08:07,684 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 19:08:07,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:08:07 BoogieIcfgContainer [2023-02-18 19:08:07,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 19:08:07,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 19:08:07,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 19:08:07,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 19:08:07,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 07:08:07" (1/3) ... [2023-02-18 19:08:07,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b959ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:08:07, skipping insertion in model container [2023-02-18 19:08:07,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:08:07" (2/3) ... [2023-02-18 19:08:07,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b959ab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 07:08:07, skipping insertion in model container [2023-02-18 19:08:07,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:08:07" (3/3) ... [2023-02-18 19:08:07,690 INFO L112 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound100.c [2023-02-18 19:08:07,701 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 19:08:07,701 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 19:08:07,728 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 19:08:07,733 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;@5e2549be, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 19:08:07,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 19:08:07,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-18 19:08:07,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-18 19:08:07,747 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 19:08:07,748 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 19:08:07,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 19:08:07,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 19:08:07,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1472905330, now seen corresponding path program 1 times [2023-02-18 19:08:07,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 19:08:07,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200367671] [2023-02-18 19:08:07,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:07,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 19:08:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:07,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 19:08:07,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200367671] [2023-02-18 19:08:07,848 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-18 19:08:07,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894878846] [2023-02-18 19:08:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:07,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 19:08:07,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:07,851 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 19:08:07,853 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 19:08:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:07,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-18 19:08:07,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 19:08:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-02-18 19:08:07,933 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 19:08:07,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894878846] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 19:08:07,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 19:08:07,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 19:08:07,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167280526] [2023-02-18 19:08:07,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 19:08:07,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 19:08:07,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 19:08:07,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 19:08:07,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 19:08:07,957 INFO L87 Difference]: Start difference. First operand has 29 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 20 states have internal predecessors, (28), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-18 19:08:07,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 19:08:07,974 INFO L93 Difference]: Finished difference Result 55 states and 82 transitions. [2023-02-18 19:08:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 19:08:07,975 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2023-02-18 19:08:07,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 19:08:07,980 INFO L225 Difference]: With dead ends: 55 [2023-02-18 19:08:07,980 INFO L226 Difference]: Without dead ends: 25 [2023-02-18 19:08:07,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 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 19:08:07,987 INFO L413 NwaCegarLoop]: 36 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, 36 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 19:08:07,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 19:08:07,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-02-18 19:08:08,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-02-18 19:08:08,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.3125) internal successors, (21), 17 states have internal predecessors, (21), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-18 19:08:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2023-02-18 19:08:08,012 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 24 [2023-02-18 19:08:08,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 19:08:08,013 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 32 transitions. [2023-02-18 19:08:08,013 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-02-18 19:08:08,013 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-02-18 19:08:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-02-18 19:08:08,014 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 19:08:08,014 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 19:08:08,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-18 19:08:08,219 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 19:08:08,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 19:08:08,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 19:08:08,221 INFO L85 PathProgramCache]: Analyzing trace with hash 324198000, now seen corresponding path program 1 times [2023-02-18 19:08:08,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 19:08:08,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045696100] [2023-02-18 19:08:08,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:08,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 19:08:08,238 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 19:08:08,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1991360476] [2023-02-18 19:08:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:08,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 19:08:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:08,240 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 19:08:08,242 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 19:08:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:08,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-18 19:08:08,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 19:08:08,404 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-18 19:08:08,404 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 19:08:08,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 19:08:08,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045696100] [2023-02-18 19:08:08,411 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 19:08:08,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991360476] [2023-02-18 19:08:08,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991360476] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 19:08:08,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 19:08:08,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-02-18 19:08:08,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388194294] [2023-02-18 19:08:08,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 19:08:08,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-02-18 19:08:08,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 19:08:08,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-02-18 19:08:08,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-02-18 19:08:08,414 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-18 19:08:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 19:08:08,503 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2023-02-18 19:08:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-02-18 19:08:08,504 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-02-18 19:08:08,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 19:08:08,505 INFO L225 Difference]: With dead ends: 39 [2023-02-18 19:08:08,505 INFO L226 Difference]: Without dead ends: 37 [2023-02-18 19:08:08,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-02-18 19:08:08,506 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 19:08:08,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 76 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 19:08:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-02-18 19:08:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2023-02-18 19:08:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 20 states have (on average 1.25) internal successors, (25), 22 states have internal predecessors, (25), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-02-18 19:08:08,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2023-02-18 19:08:08,513 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 38 transitions. Word has length 24 [2023-02-18 19:08:08,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 19:08:08,513 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 38 transitions. [2023-02-18 19:08:08,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-02-18 19:08:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-02-18 19:08:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-02-18 19:08:08,514 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 19:08:08,514 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 19:08:08,519 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 19:08:08,718 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 19:08:08,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 19:08:08,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 19:08:08,720 INFO L85 PathProgramCache]: Analyzing trace with hash 693549193, now seen corresponding path program 1 times [2023-02-18 19:08:08,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 19:08:08,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878271134] [2023-02-18 19:08:08,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:08,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 19:08:08,731 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 19:08:08,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [619588860] [2023-02-18 19:08:08,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:08,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 19:08:08,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:08,745 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 19:08:08,763 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 19:08:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:08,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2023-02-18 19:08:08,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 19:08:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-18 19:08:09,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 19:08:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 19:08:09,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 19:08:09,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878271134] [2023-02-18 19:08:09,134 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 19:08:09,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619588860] [2023-02-18 19:08:09,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619588860] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 19:08:09,135 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 19:08:09,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 16 [2023-02-18 19:08:09,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492986040] [2023-02-18 19:08:09,135 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 19:08:09,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-18 19:08:09,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 19:08:09,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-18 19:08:09,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-02-18 19:08:09,139 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. Second operand has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 19:08:09,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 19:08:09,366 INFO L93 Difference]: Finished difference Result 47 states and 60 transitions. [2023-02-18 19:08:09,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-18 19:08:09,367 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) Word has length 30 [2023-02-18 19:08:09,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 19:08:09,368 INFO L225 Difference]: With dead ends: 47 [2023-02-18 19:08:09,368 INFO L226 Difference]: Without dead ends: 43 [2023-02-18 19:08:09,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=379, Unknown=0, NotChecked=0, Total=462 [2023-02-18 19:08:09,370 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 44 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 19:08:09,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 91 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 19:08:09,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-02-18 19:08:09,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2023-02-18 19:08:09,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-18 19:08:09,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 49 transitions. [2023-02-18 19:08:09,376 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 49 transitions. Word has length 30 [2023-02-18 19:08:09,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 19:08:09,376 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 49 transitions. [2023-02-18 19:08:09,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 12 states have internal predecessors, (25), 4 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 2 states have call successors, (6) [2023-02-18 19:08:09,377 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-02-18 19:08:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-02-18 19:08:09,377 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 19:08:09,377 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 19:08:09,382 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 19:08:09,581 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 19:08:09,582 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 19:08:09,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 19:08:09,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1087866724, now seen corresponding path program 1 times [2023-02-18 19:08:09,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 19:08:09,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573934429] [2023-02-18 19:08:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:09,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 19:08:09,593 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 19:08:09,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591596319] [2023-02-18 19:08:09,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:09,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 19:08:09,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:09,594 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 19:08:09,596 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 19:08:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:09,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 39 conjunts are in the unsatisfiable core [2023-02-18 19:08:09,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 19:08:09,717 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-02-18 19:08:09,717 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 19:08:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 19:08:09,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 19:08:09,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573934429] [2023-02-18 19:08:09,882 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 19:08:09,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591596319] [2023-02-18 19:08:09,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591596319] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 19:08:09,882 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 19:08:09,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 17 [2023-02-18 19:08:09,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002971178] [2023-02-18 19:08:09,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 19:08:09,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-02-18 19:08:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 19:08:09,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-02-18 19:08:09,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-02-18 19:08:09,883 INFO L87 Difference]: Start difference. First operand 40 states and 49 transitions. Second operand has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2023-02-18 19:08:10,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 19:08:10,357 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2023-02-18 19:08:10,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-02-18 19:08:10,358 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) Word has length 32 [2023-02-18 19:08:10,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 19:08:10,358 INFO L225 Difference]: With dead ends: 58 [2023-02-18 19:08:10,358 INFO L226 Difference]: Without dead ends: 54 [2023-02-18 19:08:10,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2023-02-18 19:08:10,359 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-02-18 19:08:10,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 85 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-02-18 19:08:10,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-02-18 19:08:10,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 42. [2023-02-18 19:08:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.206896551724138) internal successors, (35), 30 states have internal predecessors, (35), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-02-18 19:08:10,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2023-02-18 19:08:10,367 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 32 [2023-02-18 19:08:10,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 19:08:10,368 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2023-02-18 19:08:10,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 15 states have internal predecessors, (30), 5 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 3 states have call successors, (8) [2023-02-18 19:08:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2023-02-18 19:08:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-02-18 19:08:10,369 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 19:08:10,369 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 19:08:10,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-02-18 19:08:10,576 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 19:08:10,577 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 19:08:10,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 19:08:10,577 INFO L85 PathProgramCache]: Analyzing trace with hash 420635516, now seen corresponding path program 1 times [2023-02-18 19:08:10,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 19:08:10,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842342428] [2023-02-18 19:08:10,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:10,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 19:08:10,586 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 19:08:10,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215503025] [2023-02-18 19:08:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:10,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 19:08:10,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:10,608 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 19:08:10,627 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 19:08:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:10,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 16 conjunts are in the unsatisfiable core [2023-02-18 19:08:10,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 19:08:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-02-18 19:08:10,730 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 19:08:10,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 19:08:10,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842342428] [2023-02-18 19:08:10,730 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 19:08:10,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215503025] [2023-02-18 19:08:10,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215503025] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 19:08:10,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 19:08:10,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-02-18 19:08:10,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691880104] [2023-02-18 19:08:10,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 19:08:10,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-02-18 19:08:10,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 19:08:10,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-02-18 19:08:10,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-02-18 19:08:10,733 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-02-18 19:08:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 19:08:10,805 INFO L93 Difference]: Finished difference Result 63 states and 78 transitions. [2023-02-18 19:08:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-02-18 19:08:10,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 43 [2023-02-18 19:08:10,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 19:08:10,806 INFO L225 Difference]: With dead ends: 63 [2023-02-18 19:08:10,806 INFO L226 Difference]: Without dead ends: 53 [2023-02-18 19:08:10,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-02-18 19:08:10,807 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 19:08:10,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 79 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 19:08:10,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-02-18 19:08:10,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50. [2023-02-18 19:08:10,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 36 states have internal predecessors, (44), 10 states have call successors, (10), 5 states have call predecessors, (10), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-02-18 19:08:10,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2023-02-18 19:08:10,822 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 43 [2023-02-18 19:08:10,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 19:08:10,823 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2023-02-18 19:08:10,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-02-18 19:08:10,823 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-02-18 19:08:10,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-02-18 19:08:10,824 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 19:08:10,824 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 19:08:10,841 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 19:08:11,028 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 19:08:11,029 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 19:08:11,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 19:08:11,029 INFO L85 PathProgramCache]: Analyzing trace with hash 97606081, now seen corresponding path program 1 times [2023-02-18 19:08:11,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 19:08:11,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261385428] [2023-02-18 19:08:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 19:08:11,038 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 19:08:11,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004566377] [2023-02-18 19:08:11,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 19:08:11,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 19:08:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 19:08:11,040 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 19:08:11,042 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 19:08:11,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 19:08:11,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 20 conjunts are in the unsatisfiable core [2023-02-18 19:08:11,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 19:08:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-02-18 19:08:11,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 19:08:11,171 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-02-18 19:08:11,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 19:08:11,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261385428] [2023-02-18 19:08:11,172 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 19:08:11,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004566377] [2023-02-18 19:08:11,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004566377] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-18 19:08:11,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-02-18 19:08:11,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2023-02-18 19:08:11,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396565500] [2023-02-18 19:08:11,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 19:08:11,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-18 19:08:11,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 19:08:11,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-18 19:08:11,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-02-18 19:08:11,174 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-18 19:08:11,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 19:08:11,278 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2023-02-18 19:08:11,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-02-18 19:08:11,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2023-02-18 19:08:11,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 19:08:11,279 INFO L225 Difference]: With dead ends: 50 [2023-02-18 19:08:11,279 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 19:08:11,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 72 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2023-02-18 19:08:11,279 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 2 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 19:08:11,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 19:08:11,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 19:08:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 19:08:11,280 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 19:08:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 19:08:11,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2023-02-18 19:08:11,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 19:08:11,280 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 19:08:11,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-02-18 19:08:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 19:08:11,281 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 19:08:11,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 19:08:11,309 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 19:08:11,487 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 19:08:11,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 19:08:11,496 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 19:08:11,496 INFO L899 garLoopResultBuilder]: For program point L27(line 27) no Hoare annotation was computed. [2023-02-18 19:08:11,496 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2023-02-18 19:08:11,497 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 54) no Hoare annotation was computed. [2023-02-18 19:08:11,497 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 19:08:11,497 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 19 60) the Hoare annotation is: true [2023-02-18 19:08:11,497 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 54) no Hoare annotation was computed. [2023-02-18 19:08:11,497 INFO L895 garLoopResultBuilder]: At program point L34-2(lines 34 55) the Hoare annotation is: (let ((.cse3 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse1 (>= |ULTIMATE.start_main_~y~0#1| 1))) (let ((.cse0 (or .cse1 (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~q~0#1| 0) .cse1))) (.cse4 (or (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (exists ((|ULTIMATE.start_main_~b~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* (* 0 |ULTIMATE.start_main_~b~0#1|) |ULTIMATE.start_main_~p~0#1|)) .cse3) (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|))) (>= |ULTIMATE.start_main_~p~0#1| 1))) (and (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~p~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* (* |ULTIMATE.start_main_~a~0#1| 0) |ULTIMATE.start_main_~p~0#1|)) .cse3) (>= |ULTIMATE.start_main_~p~0#1| 1))) (>= 0 |ULTIMATE.start_main_~y~0#1|)))) (.cse2 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (or (and .cse0 (>= |ULTIMATE.start_main_~p~0#1| 1) .cse1 (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse2 |ULTIMATE.start_main_~p~0#1|)) .cse3) (>= |ULTIMATE.start_main_~p~0#1| 1))) (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse4) (and (let ((.cse5 (let ((.cse6 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse9 (<= |ULTIMATE.start_main_~x~0#1| 100))) (or (let ((.cse10 (= 0 (mod |ULTIMATE.start_main_~y~0#1| 2))) (.cse15 (< |ULTIMATE.start_main_~y~0#1| 0)) (.cse12 (= 0 (mod |ULTIMATE.start_main_~x~0#1| 2))) (.cse13 (< |ULTIMATE.start_main_~x~0#1| 0))) (let ((.cse7 (or .cse12 (not .cse13))) (.cse8 (or .cse10 (not .cse15)))) (and .cse6 (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse3 1)) .cse3) .cse0 .cse7 .cse1 .cse8 .cse9 .cse4 .cse10 (let ((.cse11 (div |ULTIMATE.start_main_~x~0#1| 2))) (or (and .cse7 (= |ULTIMATE.start_main_~a~0#1| .cse11)) (and (not .cse12) (= |ULTIMATE.start_main_~a~0#1| (+ 1 .cse11)) .cse13))) (= |ULTIMATE.start_main_~p~0#1| (* 4 1)) .cse12 (let ((.cse14 (div |ULTIMATE.start_main_~y~0#1| 2))) (or (and (= |ULTIMATE.start_main_~b~0#1| (+ 1 .cse14)) (not .cse10) .cse15) (and (= |ULTIMATE.start_main_~b~0#1| .cse14) .cse8)))))) (and .cse6 .cse0 (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse2 |ULTIMATE.start_main_~p~0#1|)) .cse3) .cse1 .cse9 .cse4))))) (or (and (<= 1 |ULTIMATE.start_main_~b~0#1|) .cse5 .cse1) (and .cse5 .cse1))) (= 0 .cse2))))) [2023-02-18 19:08:11,498 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 19:08:11,498 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 19:08:11,498 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~x~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 100)) [2023-02-18 19:08:11,498 INFO L895 garLoopResultBuilder]: At program point L26-1(line 26) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~x~0#1| 0) (<= |ULTIMATE.start_main_~x~0#1| 100)) [2023-02-18 19:08:11,498 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse1 (>= |ULTIMATE.start_main_~y~0#1| 1))) (let ((.cse0 (or .cse1 (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1) (= |ULTIMATE.start_main_~q~0#1| 0) .cse1))) (.cse4 (or (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (exists ((|ULTIMATE.start_main_~b~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* (* 0 |ULTIMATE.start_main_~b~0#1|) |ULTIMATE.start_main_~p~0#1|)) .cse3) (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|))) (>= |ULTIMATE.start_main_~p~0#1| 1))) (and (exists ((|ULTIMATE.start_main_~a~0#1| Int) (|ULTIMATE.start_main_~p~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* (* |ULTIMATE.start_main_~a~0#1| 0) |ULTIMATE.start_main_~p~0#1|)) .cse3) (>= |ULTIMATE.start_main_~p~0#1| 1))) (>= 0 |ULTIMATE.start_main_~y~0#1|)))) (.cse2 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|))) (or (and .cse0 (>= |ULTIMATE.start_main_~p~0#1| 1) .cse1 (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse2 |ULTIMATE.start_main_~p~0#1|)) .cse3) (>= |ULTIMATE.start_main_~p~0#1| 1))) (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse4) (and (let ((.cse5 (let ((.cse6 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse9 (<= |ULTIMATE.start_main_~x~0#1| 100))) (or (let ((.cse10 (= 0 (mod |ULTIMATE.start_main_~y~0#1| 2))) (.cse15 (< |ULTIMATE.start_main_~y~0#1| 0)) (.cse12 (= 0 (mod |ULTIMATE.start_main_~x~0#1| 2))) (.cse13 (< |ULTIMATE.start_main_~x~0#1| 0))) (let ((.cse7 (or .cse12 (not .cse13))) (.cse8 (or .cse10 (not .cse15)))) (and .cse6 (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse3 1)) .cse3) .cse0 .cse7 .cse1 .cse8 .cse9 .cse4 .cse10 (let ((.cse11 (div |ULTIMATE.start_main_~x~0#1| 2))) (or (and .cse7 (= |ULTIMATE.start_main_~a~0#1| .cse11)) (and (not .cse12) (= |ULTIMATE.start_main_~a~0#1| (+ 1 .cse11)) .cse13))) (= |ULTIMATE.start_main_~p~0#1| (* 4 1)) .cse12 (let ((.cse14 (div |ULTIMATE.start_main_~y~0#1| 2))) (or (and (= |ULTIMATE.start_main_~b~0#1| (+ 1 .cse14)) (not .cse10) .cse15) (and (= |ULTIMATE.start_main_~b~0#1| .cse14) .cse8)))))) (and .cse6 .cse0 (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse2 |ULTIMATE.start_main_~p~0#1|)) .cse3) .cse1 .cse9 .cse4))))) (or (and (<= 1 |ULTIMATE.start_main_~b~0#1|) .cse5 .cse1) (and .cse5 .cse1))) (= 0 .cse2))))) [2023-02-18 19:08:11,498 INFO L902 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: true [2023-02-18 19:08:11,499 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2023-02-18 19:08:11,499 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 54) no Hoare annotation was computed. [2023-02-18 19:08:11,499 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 34 55) the Hoare annotation is: (let ((.cse5 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse2 (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse5 |ULTIMATE.start_main_~p~0#1|)) .cse6)) (.cse7 (<= |ULTIMATE.start_main_~x~0#1| 100)) (.cse10 (not (= 0 |ULTIMATE.start_main_~b~0#1|))) (.cse11 (not (= 0 |ULTIMATE.start_main_~a~0#1|))) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 1))) (let ((.cse4 (>= |ULTIMATE.start_main_~p~0#1| 1)) (.cse8 (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse0 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse9 (let ((.cse20 (or (and (or (and .cse10 .cse11) (= |ULTIMATE.start_main_~q~0#1| .cse6)) .cse3) .cse3))) (or (let ((.cse12 (= 0 (mod |ULTIMATE.start_main_~y~0#1| 2))) (.cse19 (< |ULTIMATE.start_main_~y~0#1| 0)) (.cse15 (= 0 (mod |ULTIMATE.start_main_~x~0#1| 2))) (.cse16 (< |ULTIMATE.start_main_~x~0#1| 0))) (let ((.cse13 (or .cse15 (not .cse16))) (.cse17 (or .cse12 (not .cse19)))) (and .cse1 .cse12 (let ((.cse14 (div |ULTIMATE.start_main_~x~0#1| 2))) (or (and .cse13 (= |ULTIMATE.start_main_~a~0#1| .cse14)) (and (not .cse15) (= |ULTIMATE.start_main_~a~0#1| (+ 1 .cse14)) .cse16))) (= |ULTIMATE.start_main_~p~0#1| (* 4 1)) (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse6 1)) .cse6) .cse13 .cse3 .cse17 .cse7 .cse15 (let ((.cse18 (div |ULTIMATE.start_main_~y~0#1| 2))) (or (and (= |ULTIMATE.start_main_~b~0#1| (+ 1 .cse18)) (not .cse12) .cse19) (and (= |ULTIMATE.start_main_~b~0#1| .cse18) .cse17))) .cse20))) (and .cse1 .cse2 .cse3 .cse7 .cse20))))) (or (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1) .cse2 (= |ULTIMATE.start_main_~q~0#1| 0) .cse3 .cse4 (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse5 |ULTIMATE.start_main_~p~0#1|)) .cse6) (>= |ULTIMATE.start_main_~p~0#1| 1))) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse3 .cse9) (and .cse0 .cse10 .cse3 .cse9 .cse11) (and .cse0 .cse3 .cse9))))) [2023-02-18 19:08:11,499 INFO L895 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (let ((.cse5 (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~b~0#1|)) (.cse6 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (>= |ULTIMATE.start_main_~x~0#1| 0)) (.cse2 (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse5 |ULTIMATE.start_main_~p~0#1|)) .cse6)) (.cse7 (<= |ULTIMATE.start_main_~x~0#1| 100)) (.cse10 (not (= 0 |ULTIMATE.start_main_~b~0#1|))) (.cse11 (not (= 0 |ULTIMATE.start_main_~a~0#1|))) (.cse3 (>= |ULTIMATE.start_main_~y~0#1| 1))) (let ((.cse4 (>= |ULTIMATE.start_main_~p~0#1| 1)) (.cse8 (>= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse0 (<= 1 |ULTIMATE.start_main_~b~0#1|)) (.cse9 (let ((.cse20 (or (and (or (and .cse10 .cse11) (= |ULTIMATE.start_main_~q~0#1| .cse6)) .cse3) .cse3))) (or (let ((.cse12 (= 0 (mod |ULTIMATE.start_main_~y~0#1| 2))) (.cse19 (< |ULTIMATE.start_main_~y~0#1| 0)) (.cse15 (= 0 (mod |ULTIMATE.start_main_~x~0#1| 2))) (.cse16 (< |ULTIMATE.start_main_~x~0#1| 0))) (let ((.cse13 (or .cse15 (not .cse16))) (.cse17 (or .cse12 (not .cse19)))) (and .cse1 .cse12 (let ((.cse14 (div |ULTIMATE.start_main_~x~0#1| 2))) (or (and .cse13 (= |ULTIMATE.start_main_~a~0#1| .cse14)) (and (not .cse15) (= |ULTIMATE.start_main_~a~0#1| (+ 1 .cse14)) .cse16))) (= |ULTIMATE.start_main_~p~0#1| (* 4 1)) (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse6 1)) .cse6) .cse13 .cse3 .cse17 .cse7 .cse15 (let ((.cse18 (div |ULTIMATE.start_main_~y~0#1| 2))) (or (and (= |ULTIMATE.start_main_~b~0#1| (+ 1 .cse18)) (not .cse12) .cse19) (and (= |ULTIMATE.start_main_~b~0#1| .cse18) .cse17))) .cse20))) (and .cse1 .cse2 .cse3 .cse7 .cse20))))) (or (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) .cse0 .cse1 (= |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1) .cse2 (= |ULTIMATE.start_main_~q~0#1| 0) .cse3 .cse4 (exists ((|ULTIMATE.start_main_~p~0#1| Int)) (and (= (+ |ULTIMATE.start_main_~q~0#1| (* .cse5 |ULTIMATE.start_main_~p~0#1|)) .cse6) (>= |ULTIMATE.start_main_~p~0#1| 1))) .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse7 .cse8) (and .cse3 .cse9) (and .cse0 .cse10 .cse3 .cse9 .cse11) (and .cse0 .cse3 .cse9))))) [2023-02-18 19:08:11,499 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 34 55) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point L12-2(lines 11 17) no Hoare annotation was computed. [2023-02-18 19:08:11,500 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 11 17) no Hoare annotation was computed. [2023-02-18 19:08:11,501 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2023-02-18 19:08:11,501 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2023-02-18 19:08:11,503 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-02-18 19:08:11,504 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 19:08:11,510 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,510 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,516 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,516 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 07:08:11 BoogieIcfgContainer [2023-02-18 19:08:11,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 19:08:11,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 19:08:11,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 19:08:11,525 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 19:08:11,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 07:08:07" (3/4) ... [2023-02-18 19:08:11,528 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 19:08:11,531 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-18 19:08:11,532 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-02-18 19:08:11,534 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-02-18 19:08:11,534 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 19:08:11,534 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 19:08:11,534 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 19:08:11,564 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((b == y && 1 <= b) && x >= 0) && a == x) && p == 1) && q + a * b * p == x * y) && q == 0) && y >= 1) && p >= 1) && (\exists ULTIMATE.start_main_~p~0#1 : int :: q + a * b * ULTIMATE.start_main_~p~0#1 == x * y && ULTIMATE.start_main_~p~0#1 >= 1)) && x <= 100) && b >= y) || ((((((1 <= b && x >= 0) && q + a * b * p == x * y) && y >= 1) && p >= 1) && x <= 100) && b >= y)) || (y >= 1 && ((((((((((((x >= 0 && 0 == y % 2) && (((0 == x % 2 || !(x < 0)) && a == x / 2) || ((!(0 == x % 2) && a == 1 + x / 2) && x < 0))) && p == 4 * 1) && q + x * y * 1 == x * y) && (0 == x % 2 || !(x < 0))) && y >= 1) && (0 == y % 2 || !(y < 0))) && x <= 100) && 0 == x % 2) && (((b == 1 + y / 2 && !(0 == y % 2)) && y < 0) || (b == y / 2 && (0 == y % 2 || !(y < 0))))) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)) || ((((x >= 0 && q + a * b * p == x * y) && y >= 1) && x <= 100) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1))))) || ((((1 <= b && !(0 == b)) && y >= 1) && ((((((((((((x >= 0 && 0 == y % 2) && (((0 == x % 2 || !(x < 0)) && a == x / 2) || ((!(0 == x % 2) && a == 1 + x / 2) && x < 0))) && p == 4 * 1) && q + x * y * 1 == x * y) && (0 == x % 2 || !(x < 0))) && y >= 1) && (0 == y % 2 || !(y < 0))) && x <= 100) && 0 == x % 2) && (((b == 1 + y / 2 && !(0 == y % 2)) && y < 0) || (b == y / 2 && (0 == y % 2 || !(y < 0))))) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)) || ((((x >= 0 && q + a * b * p == x * y) && y >= 1) && x <= 100) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)))) && !(0 == a))) || ((1 <= b && y >= 1) && ((((((((((((x >= 0 && 0 == y % 2) && (((0 == x % 2 || !(x < 0)) && a == x / 2) || ((!(0 == x % 2) && a == 1 + x / 2) && x < 0))) && p == 4 * 1) && q + x * y * 1 == x * y) && (0 == x % 2 || !(x < 0))) && y >= 1) && (0 == y % 2 || !(y < 0))) && x <= 100) && 0 == x % 2) && (((b == 1 + y / 2 && !(0 == y % 2)) && y < 0) || (b == y / 2 && (0 == y % 2 || !(y < 0))))) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)) || ((((x >= 0 && q + a * b * p == x * y) && y >= 1) && x <= 100) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)))) [2023-02-18 19:08:11,569 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 19:08:11,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 19:08:11,570 INFO L158 Benchmark]: Toolchain (without parser) took 4454.36ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 114.5MB in the end (delta: 30.5MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-02-18 19:08:11,570 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 85.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 19:08:11,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.41ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 133.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 19:08:11,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.06ms. Allocated memory is still 195.0MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 19:08:11,571 INFO L158 Benchmark]: Boogie Preprocessor took 14.76ms. Allocated memory is still 195.0MB. Free memory was 131.7MB in the beginning and 130.9MB in the end (delta: 777.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 19:08:11,571 INFO L158 Benchmark]: RCFGBuilder took 326.76ms. Allocated memory is still 195.0MB. Free memory was 130.9MB in the beginning and 119.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-02-18 19:08:11,571 INFO L158 Benchmark]: TraceAbstraction took 3838.38ms. Allocated memory is still 195.0MB. Free memory was 118.5MB in the beginning and 117.7MB in the end (delta: 822.0kB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-02-18 19:08:11,571 INFO L158 Benchmark]: Witness Printer took 44.30ms. Allocated memory is still 195.0MB. Free memory was 117.7MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 19:08:11,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 146.8MB. Free memory was 85.6MB in the beginning and 85.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.41ms. Allocated memory is still 195.0MB. Free memory was 145.0MB in the beginning and 133.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.06ms. Allocated memory is still 195.0MB. Free memory was 133.2MB in the beginning and 131.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.76ms. Allocated memory is still 195.0MB. Free memory was 131.7MB in the beginning and 130.9MB in the end (delta: 777.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.76ms. Allocated memory is still 195.0MB. Free memory was 130.9MB in the beginning and 119.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3838.38ms. Allocated memory is still 195.0MB. Free memory was 118.5MB in the beginning and 117.7MB in the end (delta: 822.0kB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 44.30ms. Allocated memory is still 195.0MB. Free memory was 117.7MB in the beginning and 114.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: 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, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 466 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 326 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 730 IncrementalHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 140 mSDtfsCounter, 730 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 315 GetRequests, 238 SyntacticMatches, 8 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=5, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 27 PreInvPairs, 44 NumberOfFragments, 2694 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 296 ConstructedInterpolants, 2 QuantifiedInterpolants, 1651 SizeOfPredicates, 27 NumberOfNonLiveVariables, 570 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 168/183 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant [2023-02-18 19:08:11,577 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,577 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,579 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] [2023-02-18 19:08:11,579 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~p~0#1,QUANTIFIED] Derived loop invariant: ((((((((((((((b == y && 1 <= b) && x >= 0) && a == x) && p == 1) && q + a * b * p == x * y) && q == 0) && y >= 1) && p >= 1) && (\exists ULTIMATE.start_main_~p~0#1 : int :: q + a * b * ULTIMATE.start_main_~p~0#1 == x * y && ULTIMATE.start_main_~p~0#1 >= 1)) && x <= 100) && b >= y) || ((((((1 <= b && x >= 0) && q + a * b * p == x * y) && y >= 1) && p >= 1) && x <= 100) && b >= y)) || (y >= 1 && ((((((((((((x >= 0 && 0 == y % 2) && (((0 == x % 2 || !(x < 0)) && a == x / 2) || ((!(0 == x % 2) && a == 1 + x / 2) && x < 0))) && p == 4 * 1) && q + x * y * 1 == x * y) && (0 == x % 2 || !(x < 0))) && y >= 1) && (0 == y % 2 || !(y < 0))) && x <= 100) && 0 == x % 2) && (((b == 1 + y / 2 && !(0 == y % 2)) && y < 0) || (b == y / 2 && (0 == y % 2 || !(y < 0))))) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)) || ((((x >= 0 && q + a * b * p == x * y) && y >= 1) && x <= 100) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1))))) || ((((1 <= b && !(0 == b)) && y >= 1) && ((((((((((((x >= 0 && 0 == y % 2) && (((0 == x % 2 || !(x < 0)) && a == x / 2) || ((!(0 == x % 2) && a == 1 + x / 2) && x < 0))) && p == 4 * 1) && q + x * y * 1 == x * y) && (0 == x % 2 || !(x < 0))) && y >= 1) && (0 == y % 2 || !(y < 0))) && x <= 100) && 0 == x % 2) && (((b == 1 + y / 2 && !(0 == y % 2)) && y < 0) || (b == y / 2 && (0 == y % 2 || !(y < 0))))) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)) || ((((x >= 0 && q + a * b * p == x * y) && y >= 1) && x <= 100) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)))) && !(0 == a))) || ((1 <= b && y >= 1) && ((((((((((((x >= 0 && 0 == y % 2) && (((0 == x % 2 || !(x < 0)) && a == x / 2) || ((!(0 == x % 2) && a == 1 + x / 2) && x < 0))) && p == 4 * 1) && q + x * y * 1 == x * y) && (0 == x % 2 || !(x < 0))) && y >= 1) && (0 == y % 2 || !(y < 0))) && x <= 100) && 0 == x % 2) && (((b == 1 + y / 2 && !(0 == y % 2)) && y < 0) || (b == y / 2 && (0 == y % 2 || !(y < 0))))) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)) || ((((x >= 0 && q + a * b * p == x * y) && y >= 1) && x <= 100) && ((((!(0 == b) && !(0 == a)) || q == x * y) && y >= 1) || y >= 1)))) RESULT: Ultimate proved your program to be correct! [2023-02-18 19:08:11,599 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