./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 26d01a9c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/bresenham-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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-26d01a9 [2023-02-18 01:16:12,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 01:16:12,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 01:16:12,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 01:16:12,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 01:16:12,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 01:16:12,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 01:16:12,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 01:16:12,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 01:16:12,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 01:16:12,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 01:16:12,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 01:16:12,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 01:16:12,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 01:16:12,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 01:16:12,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 01:16:12,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 01:16:12,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 01:16:12,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 01:16:12,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 01:16:12,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 01:16:12,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 01:16:12,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 01:16:12,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 01:16:12,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 01:16:12,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 01:16:12,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 01:16:12,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 01:16:12,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 01:16:12,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 01:16:12,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 01:16:12,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 01:16:12,536 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 01:16:12,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 01:16:12,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 01:16:12,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 01:16:12,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 01:16:12,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 01:16:12,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 01:16:12,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 01:16:12,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 01:16:12,541 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-18 01:16:12,558 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 01:16:12,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 01:16:12,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 01:16:12,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 01:16:12,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 01:16:12,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 01:16:12,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 01:16:12,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 01:16:12,561 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 01:16:12,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 01:16:12,562 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-18 01:16:12,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 01:16:12,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-18 01:16:12,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 01:16:12,562 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-18 01:16:12,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 01:16:12,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-18 01:16:12,563 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-18 01:16:12,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-18 01:16:12,564 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 01:16:12,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-18 01:16:12,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 01:16:12,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 01:16:12,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 01:16:12,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 01:16:12,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 01:16:12,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 01:16:12,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-18 01:16:12,566 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 01:16:12,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 01:16:12,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 01:16:12,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-18 01:16:12,567 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 01:16:12,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 01:16:12,567 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 01:16:12,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2023-02-18 01:16:12,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 01:16:12,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 01:16:12,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 01:16:12,783 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 01:16:12,783 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 01:16:12,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-02-18 01:16:13,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 01:16:14,056 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 01:16:14,057 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-02-18 01:16:14,064 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641ec05ce/a199e48562d440d58708177e7b67e0ab/FLAGb5ba198b4 [2023-02-18 01:16:14,084 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/641ec05ce/a199e48562d440d58708177e7b67e0ab [2023-02-18 01:16:14,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 01:16:14,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 01:16:14,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 01:16:14,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 01:16:14,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 01:16:14,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65bd493e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14, skipping insertion in model container [2023-02-18 01:16:14,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 01:16:14,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 01:16:14,215 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/bresenham-ll_valuebound100.c[597,610] [2023-02-18 01:16:14,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 01:16:14,236 INFO L203 MainTranslator]: Completed pre-run [2023-02-18 01:16:14,247 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/bresenham-ll_valuebound100.c[597,610] [2023-02-18 01:16:14,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-18 01:16:14,265 INFO L208 MainTranslator]: Completed translation [2023-02-18 01:16:14,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14 WrapperNode [2023-02-18 01:16:14,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 01:16:14,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-18 01:16:14,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-18 01:16:14,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-18 01:16:14,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,294 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-02-18 01:16:14,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-18 01:16:14,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-18 01:16:14,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-18 01:16:14,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-18 01:16:14,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-18 01:16:14,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-18 01:16:14,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-18 01:16:14,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-18 01:16:14,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (1/1) ... [2023-02-18 01:16:14,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 01:16:14,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:16:14,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-02-18 01:16:14,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-02-18 01:16:14,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-18 01:16:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-02-18 01:16:14,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-02-18 01:16:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-18 01:16:14,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-18 01:16:14,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-18 01:16:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-02-18 01:16:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-02-18 01:16:14,450 INFO L235 CfgBuilder]: Building ICFG [2023-02-18 01:16:14,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-18 01:16:14,559 INFO L276 CfgBuilder]: Performing block encoding [2023-02-18 01:16:14,565 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-18 01:16:14,565 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-18 01:16:14,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:16:14 BoogieIcfgContainer [2023-02-18 01:16:14,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-18 01:16:14,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-18 01:16:14,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-18 01:16:14,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-18 01:16:14,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.02 01:16:14" (1/3) ... [2023-02-18 01:16:14,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3ae214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:16:14, skipping insertion in model container [2023-02-18 01:16:14,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 01:16:14" (2/3) ... [2023-02-18 01:16:14,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f3ae214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.02 01:16:14, skipping insertion in model container [2023-02-18 01:16:14,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:16:14" (3/3) ... [2023-02-18 01:16:14,575 INFO L112 eAbstractionObserver]: Analyzing ICFG bresenham-ll_valuebound100.c [2023-02-18 01:16:14,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-18 01:16:14,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-18 01:16:14,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-18 01:16:14,641 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;@30a0033e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-18 01:16:14,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-18 01:16:14,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-18 01:16:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-18 01:16:14,652 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:16:14,653 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:16:14,653 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:16:14,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:16:14,658 INFO L85 PathProgramCache]: Analyzing trace with hash 689891435, now seen corresponding path program 1 times [2023-02-18 01:16:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:16:14,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842608386] [2023-02-18 01:16:14,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:14,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:16:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:16:14,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:16:14,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842608386] [2023-02-18 01:16:14,824 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-02-18 01:16:14,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400425756] [2023-02-18 01:16:14,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:14,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:16:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:16:14,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 01:16:14,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-18 01:16:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:16:14,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-02-18 01:16:14,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:16:14,925 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-18 01:16:14,925 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 01:16:14,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400425756] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 01:16:14,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 01:16:14,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-18 01:16:14,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399181008] [2023-02-18 01:16:14,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 01:16:14,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-18 01:16:14,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:16:14,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-18 01:16:14,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 01:16:14,976 INFO L87 Difference]: Start difference. First operand has 27 states, 19 states have (on average 1.368421052631579) internal successors, (26), 20 states have internal predecessors, (26), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-18 01:16:14,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:16:15,000 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2023-02-18 01:16:15,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-18 01:16:15,002 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2023-02-18 01:16:15,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:16:15,008 INFO L225 Difference]: With dead ends: 51 [2023-02-18 01:16:15,009 INFO L226 Difference]: Without dead ends: 23 [2023-02-18 01:16:15,011 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-18 01:16:15,015 INFO L413 NwaCegarLoop]: 30 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, 30 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-18 01:16:15,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-18 01:16:15,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2023-02-18 01:16:15,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-02-18 01:16:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-02-18 01:16:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2023-02-18 01:16:15,046 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 19 [2023-02-18 01:16:15,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:16:15,046 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2023-02-18 01:16:15,046 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2023-02-18 01:16:15,047 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-02-18 01:16:15,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-02-18 01:16:15,048 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:16:15,048 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:16:15,053 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 01:16:15,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-02-18 01:16:15,250 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:16:15,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:16:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash 90086127, now seen corresponding path program 1 times [2023-02-18 01:16:15,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:16:15,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105442134] [2023-02-18 01:16:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:16:15,268 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:16:15,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619061384] [2023-02-18 01:16:15,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:15,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:16:15,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:16:15,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 01:16:15,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-02-18 01:16:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:16:15,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 21 conjunts are in the unsatisfiable core [2023-02-18 01:16:15,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:16:15,481 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-18 01:16:15,482 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-02-18 01:16:15,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:16:15,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105442134] [2023-02-18 01:16:15,482 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:16:15,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619061384] [2023-02-18 01:16:15,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619061384] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-18 01:16:15,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-18 01:16:15,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-02-18 01:16:15,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28035955] [2023-02-18 01:16:15,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-18 01:16:15,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-02-18 01:16:15,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:16:15,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-02-18 01:16:15,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-02-18 01:16:15,485 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-02-18 01:16:15,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:16:15,632 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2023-02-18 01:16:15,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-02-18 01:16:15,632 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2023-02-18 01:16:15,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:16:15,634 INFO L225 Difference]: With dead ends: 35 [2023-02-18 01:16:15,634 INFO L226 Difference]: Without dead ends: 31 [2023-02-18 01:16:15,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-02-18 01:16:15,636 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-18 01:16:15,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 62 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-18 01:16:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2023-02-18 01:16:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2023-02-18 01:16:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-02-18 01:16:15,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2023-02-18 01:16:15,644 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 19 [2023-02-18 01:16:15,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:16:15,645 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2023-02-18 01:16:15,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-02-18 01:16:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-02-18 01:16:15,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-02-18 01:16:15,647 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:16:15,647 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:16:15,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-02-18 01:16:15,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-02-18 01:16:15,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:16:15,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:16:15,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1522625704, now seen corresponding path program 1 times [2023-02-18 01:16:15,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:16:15,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738449594] [2023-02-18 01:16:15,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:15,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:16:15,888 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:16:15,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1962893274] [2023-02-18 01:16:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:15,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:16:15,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:16:15,896 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 01:16:15,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-02-18 01:16:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:16:15,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-02-18 01:16:15,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:16:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 01:16:16,082 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:16:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-02-18 01:16:16,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:16:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738449594] [2023-02-18 01:16:16,379 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:16:16,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962893274] [2023-02-18 01:16:16,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962893274] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:16:16,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:16:16,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 16 [2023-02-18 01:16:16,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249566496] [2023-02-18 01:16:16,381 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:16:16,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-02-18 01:16:16,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:16:16,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-02-18 01:16:16,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2023-02-18 01:16:16,384 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 16 states, 14 states have (on average 2.0) internal successors, (28), 15 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-18 01:16:16,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:16:16,682 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2023-02-18 01:16:16,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-02-18 01:16:16,682 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 15 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 28 [2023-02-18 01:16:16,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:16:16,683 INFO L225 Difference]: With dead ends: 44 [2023-02-18 01:16:16,684 INFO L226 Difference]: Without dead ends: 38 [2023-02-18 01:16:16,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2023-02-18 01:16:16,687 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 32 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-02-18 01:16:16,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 116 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-02-18 01:16:16,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-02-18 01:16:16,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2023-02-18 01:16:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-02-18 01:16:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2023-02-18 01:16:16,702 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 28 [2023-02-18 01:16:16,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:16:16,703 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2023-02-18 01:16:16,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 2.0) internal successors, (28), 15 states have internal predecessors, (28), 5 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-02-18 01:16:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-02-18 01:16:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-02-18 01:16:16,706 INFO L187 NwaCegarLoop]: Found error trace [2023-02-18 01:16:16,706 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-18 01:16:16,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-02-18 01:16:16,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:16:16,913 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-18 01:16:16,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-18 01:16:16,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1035193378, now seen corresponding path program 1 times [2023-02-18 01:16:16,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-18 01:16:16,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810965139] [2023-02-18 01:16:16,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:16,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-18 01:16:16,927 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-02-18 01:16:16,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986290519] [2023-02-18 01:16:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-18 01:16:16,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:16:16,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-18 01:16:16,930 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-18 01:16:16,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-02-18 01:16:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-18 01:16:16,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 34 conjunts are in the unsatisfiable core [2023-02-18 01:16:16,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-18 01:16:17,153 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-02-18 01:16:17,153 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-18 01:16:17,494 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-02-18 01:16:17,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-18 01:16:17,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810965139] [2023-02-18 01:16:17,495 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-02-18 01:16:17,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986290519] [2023-02-18 01:16:17,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986290519] provided 0 perfect and 2 imperfect interpolant sequences [2023-02-18 01:16:17,496 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-02-18 01:16:17,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 25 [2023-02-18 01:16:17,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5006735] [2023-02-18 01:16:17,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-02-18 01:16:17,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-02-18 01:16:17,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-18 01:16:17,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-02-18 01:16:17,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=516, Unknown=0, NotChecked=0, Total=600 [2023-02-18 01:16:17,498 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 22 states have internal predecessors, (39), 7 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-02-18 01:16:18,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-18 01:16:18,420 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2023-02-18 01:16:18,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-02-18 01:16:18,421 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 22 states have internal predecessors, (39), 7 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 35 [2023-02-18 01:16:18,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-18 01:16:18,422 INFO L225 Difference]: With dead ends: 45 [2023-02-18 01:16:18,422 INFO L226 Difference]: Without dead ends: 0 [2023-02-18 01:16:18,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=316, Invalid=1576, Unknown=0, NotChecked=0, Total=1892 [2023-02-18 01:16:18,424 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 65 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-02-18 01:16:18,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 77 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-02-18 01:16:18,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-18 01:16:18,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-18 01:16:18,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-18 01:16:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-18 01:16:18,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-02-18 01:16:18,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-18 01:16:18,426 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-18 01:16:18,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 1.8571428571428572) internal successors, (39), 22 states have internal predecessors, (39), 7 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2023-02-18 01:16:18,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-18 01:16:18,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-18 01:16:18,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-18 01:16:18,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-02-18 01:16:18,635 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-18 01:16:18,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-18 01:16:18,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-18 01:16:18,648 INFO L895 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: (and (>= |ULTIMATE.start_main_~X~0#1| 0) (<= |ULTIMATE.start_main_~X~0#1| 100)) [2023-02-18 01:16:18,648 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-02-18 01:16:18,649 INFO L902 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: true [2023-02-18 01:16:18,649 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2023-02-18 01:16:18,650 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse20 (* |ULTIMATE.start_main_~X~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse16 (* (* |ULTIMATE.start_main_~Y~0#1| |ULTIMATE.start_main_~x~0#1|) 2)) (.cse12 (- (* .cse20 2))) (.cse14 (- |ULTIMATE.start_main_~v~0#1|)) (.cse13 (- |ULTIMATE.start_main_~X~0#1|)) (.cse3 (* 2 |ULTIMATE.start_main_~Y~0#1|))) (let ((.cse2 (+ .cse13 .cse3)) (.cse4 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~xy~0#1| (* |ULTIMATE.start_main_~X~0#1| 0))) (.cse0 (<= |ULTIMATE.start_main_~Y~0#1| 100)) (.cse8 (>= |ULTIMATE.start_main_~X~0#1| 0)) (.cse9 (= (+ (+ (+ (+ .cse16 .cse12) .cse13) .cse3) .cse14) 0)) (.cse11 (<= |ULTIMATE.start_main_~X~0#1| 100)) (.cse5 (>= |ULTIMATE.start_main_~Y~0#1| 0)) (.cse10 (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~X~0#1|))) (or (let ((.cse1 (+ 0 1))) (and .cse0 (= |ULTIMATE.start_main_~x~0#1| .cse1) (= (+ .cse2 .cse3) |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~yx~0#1| (* |ULTIMATE.start_main_~Y~0#1| .cse1)) .cse4 .cse5 .cse6)) (and .cse0 (= |ULTIMATE.start_main_~v~0#1| .cse2) .cse4 (= |ULTIMATE.start_main_~yx~0#1| (* |ULTIMATE.start_main_~Y~0#1| 0)) (= |ULTIMATE.start_main_~x~0#1| 0) .cse5 .cse6) (let ((.cse7 (* |ULTIMATE.start_main_~Y~0#1| 1))) (and (= .cse7 |ULTIMATE.start_main_~yx~0#1|) .cse0 .cse8 (= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) (not (<= 1 |ULTIMATE.start_main_~X~0#1|)) .cse9 (not .cse10) .cse11 (= (+ (+ (+ (+ (* .cse7 2) .cse12) .cse13) .cse3) .cse14) 0) (= |ULTIMATE.start_main_~xy~0#1| (* |ULTIMATE.start_main_~y~0#1| 1)) .cse5)) (let ((.cse15 (* 2 |ULTIMATE.start_main_~y~0#1|)) (.cse17 (- (* 2 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|))))) (and .cse0 .cse8 .cse9 .cse11 (= (+ .cse15 (+ .cse14 (+ (+ .cse13 (+ (* 2 |ULTIMATE.start_main_~yx~0#1|) (- (* 2 |ULTIMATE.start_main_~xy~0#1|)))) .cse3))) 0) (= (+ .cse15 (+ (+ (+ .cse13 (+ .cse16 .cse17)) .cse3) .cse14)) 0) .cse5 (or .cse10 (forall ((|ULTIMATE.start_main_~Y~0#1| Int)) (= (+ .cse15 (let ((.cse19 (* 2 |ULTIMATE.start_main_~Y~0#1|)) (.cse18 (* (* |ULTIMATE.start_main_~Y~0#1| |ULTIMATE.start_main_~x~0#1|) 2))) (+ (+ (+ .cse13 (+ .cse18 .cse17)) .cse19) (+ (- (* (- 1) |ULTIMATE.start_main_~X~0#1|)) (- (* (- 2) .cse20)) (- .cse19) (- .cse18))))) 0))))))))) [2023-02-18 01:16:18,650 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-02-18 01:16:18,650 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-18 01:16:18,650 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 21 53) the Hoare annotation is: true [2023-02-18 01:16:18,650 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 45) no Hoare annotation was computed. [2023-02-18 01:16:18,651 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 45) no Hoare annotation was computed. [2023-02-18 01:16:18,651 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-18 01:16:18,651 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 47) the Hoare annotation is: (let ((.cse7 (* (* |ULTIMATE.start_main_~Y~0#1| |ULTIMATE.start_main_~x~0#1|) 2)) (.cse20 (* |ULTIMATE.start_main_~X~0#1| |ULTIMATE.start_main_~y~0#1|)) (.cse10 (- |ULTIMATE.start_main_~v~0#1|)) (.cse6 (- |ULTIMATE.start_main_~X~0#1|)) (.cse9 (* 2 |ULTIMATE.start_main_~Y~0#1|))) (let ((.cse2 (+ .cse6 .cse9)) (.cse3 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse0 (<= |ULTIMATE.start_main_~Y~0#1| 100)) (.cse1 (>= |ULTIMATE.start_main_~X~0#1| 0)) (.cse12 (= (+ (+ (+ (+ .cse7 (- (* .cse20 2))) .cse6) .cse9) .cse10) 0)) (.cse4 (<= |ULTIMATE.start_main_~X~0#1| 100)) (.cse11 (>= |ULTIMATE.start_main_~Y~0#1| 0)) (.cse5 (* 2 |ULTIMATE.start_main_~y~0#1|)) (.cse8 (- (* 2 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)))) (.cse14 (- (* (- 1) |ULTIMATE.start_main_~X~0#1|))) (.cse15 (- (* (- 2) .cse20)))) (or (and .cse0 .cse1 (= |ULTIMATE.start_main_~v~0#1| .cse2) .cse3 .cse4 (= |ULTIMATE.start_main_~x~0#1| 0) (= (+ .cse5 (+ (+ (+ .cse6 (+ .cse7 .cse8)) .cse9) .cse10)) 0) .cse11) (and .cse0 .cse1 (= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) .cse12 .cse4 .cse11) (and .cse0 .cse1 (= |ULTIMATE.start_main_~x~0#1| (+ 0 1)) (= (+ .cse2 .cse9) |ULTIMATE.start_main_~v~0#1|) .cse3 .cse4 (let ((.cse13 (+ |ULTIMATE.start_main_~x~0#1| 1))) (or (<= .cse13 |ULTIMATE.start_main_~X~0#1|) (forall ((|ULTIMATE.start_main_~Y~0#1| Int)) (= (+ .cse5 (let ((.cse17 (* 2 (* |ULTIMATE.start_main_~Y~0#1| .cse13))) (.cse16 (* 2 |ULTIMATE.start_main_~Y~0#1|))) (+ (+ .cse14 .cse15 (- .cse16) (- .cse17)) (+ (+ .cse6 (+ (- (* (* |ULTIMATE.start_main_~y~0#1| .cse13) 2)) .cse17)) .cse16)))) 0)))) .cse11) (and .cse0 .cse1 .cse12 .cse4 .cse11 (or (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~X~0#1|) (forall ((|ULTIMATE.start_main_~Y~0#1| Int)) (= (+ .cse5 (let ((.cse19 (* 2 |ULTIMATE.start_main_~Y~0#1|)) (.cse18 (* (* |ULTIMATE.start_main_~Y~0#1| |ULTIMATE.start_main_~x~0#1|) 2))) (+ (+ (+ .cse6 (+ .cse18 .cse8)) .cse19) (+ .cse14 .cse15 (- .cse19) (- .cse18))))) 0))))))) [2023-02-18 01:16:18,652 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 47) no Hoare annotation was computed. [2023-02-18 01:16:18,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-18 01:16:18,652 INFO L895 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (let ((.cse16 (* |ULTIMATE.start_main_~Y~0#1| |ULTIMATE.start_main_~x~0#1|))) (let ((.cse21 (- |ULTIMATE.start_main_~v~0#1|)) (.cse28 (* 2 |ULTIMATE.start_main_~yx~0#1|)) (.cse9 (- |ULTIMATE.start_main_~X~0#1|)) (.cse29 (* .cse16 2)) (.cse11 (- (* 2 (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~y~0#1|)))) (.cse24 (* 2 |ULTIMATE.start_main_~Y~0#1|))) (let ((.cse7 (<= |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~X~0#1|)) (.cse8 (* 2 |ULTIMATE.start_main_~y~0#1|)) (.cse13 (- (* (- 1) |ULTIMATE.start_main_~X~0#1|))) (.cse20 (+ (+ .cse9 (+ .cse29 .cse11)) .cse24)) (.cse19 (+ .cse21 (+ (+ .cse9 (+ .cse28 (- (* 2 |ULTIMATE.start_main_~xy~0#1|)))) .cse24))) (.cse15 (* |ULTIMATE.start_main_~X~0#1| |ULTIMATE.start_main_~y~0#1|))) (let ((.cse4 (= (+ (+ (+ (+ .cse29 (- (* .cse15 2))) .cse9) .cse24) .cse21) 0)) (.cse3 (= .cse19 0)) (.cse0 (or .cse7 (= (+ .cse8 (+ (+ (- (* (- 2) |ULTIMATE.start_main_~xy~0#1|)) .cse13 (- .cse24) (- .cse28)) .cse20)) 0))) (.cse1 (<= |ULTIMATE.start_main_~Y~0#1| 100)) (.cse2 (>= |ULTIMATE.start_main_~X~0#1| 0)) (.cse17 (+ .cse9 .cse24)) (.cse18 (= |ULTIMATE.start_main_~y~0#1| 0)) (.cse5 (<= |ULTIMATE.start_main_~X~0#1| 100)) (.cse14 (- (* (- 2) .cse15))) (.cse6 (>= |ULTIMATE.start_main_~Y~0#1| 0)) (.cse22 (= |ULTIMATE.start_main_~xy~0#1| (* |ULTIMATE.start_main_~X~0#1| 0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (or .cse7 (forall ((|ULTIMATE.start_main_~Y~0#1| Int)) (= (+ .cse8 (let ((.cse12 (* 2 |ULTIMATE.start_main_~Y~0#1|)) (.cse10 (* (* |ULTIMATE.start_main_~Y~0#1| |ULTIMATE.start_main_~x~0#1|) 2))) (+ (+ (+ .cse9 (+ .cse10 .cse11)) .cse12) (+ .cse13 .cse14 (- .cse12) (- .cse10))))) 0)))) (and .cse1 (= .cse15 |ULTIMATE.start_main_~xy~0#1|) .cse2 .cse3 (= (+ (- 1) |ULTIMATE.start_main_~x~0#1|) 0) (= (+ (- 1) |ULTIMATE.start_main_~y~0#1|) 0) .cse4 .cse5 .cse6 (= .cse16 |ULTIMATE.start_main_~yx~0#1|)) (and .cse1 .cse2 (= |ULTIMATE.start_main_~v~0#1| .cse17) .cse3 .cse18 .cse5 (= |ULTIMATE.start_main_~yx~0#1| (* |ULTIMATE.start_main_~Y~0#1| 0)) (= (+ .cse8 .cse19) 0) (= |ULTIMATE.start_main_~x~0#1| 0) (= (+ .cse8 (+ .cse20 .cse21)) 0) .cse6 .cse22) (let ((.cse23 (+ 0 1))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~x~0#1| .cse23) (= (+ .cse17 .cse24) |ULTIMATE.start_main_~v~0#1|) (= |ULTIMATE.start_main_~yx~0#1| (* |ULTIMATE.start_main_~Y~0#1| .cse23)) .cse18 .cse5 (let ((.cse25 (+ |ULTIMATE.start_main_~x~0#1| 1))) (or (<= .cse25 |ULTIMATE.start_main_~X~0#1|) (forall ((|ULTIMATE.start_main_~Y~0#1| Int)) (= (+ .cse8 (let ((.cse27 (* 2 (* |ULTIMATE.start_main_~Y~0#1| .cse25))) (.cse26 (* 2 |ULTIMATE.start_main_~Y~0#1|))) (+ (+ .cse13 .cse14 (- .cse26) (- .cse27)) (+ (+ .cse9 (+ (- (* (* |ULTIMATE.start_main_~y~0#1| .cse25) 2)) .cse27)) .cse26)))) 0)))) .cse6 .cse22))))))) [2023-02-18 01:16:18,653 INFO L899 garLoopResultBuilder]: For program point L35-1(lines 32 47) no Hoare annotation was computed. [2023-02-18 01:16:18,653 INFO L899 garLoopResultBuilder]: For program point L11(line 11) no Hoare annotation was computed. [2023-02-18 01:16:18,653 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 10 12) the Hoare annotation is: true [2023-02-18 01:16:18,653 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 10 12) no Hoare annotation was computed. [2023-02-18 01:16:18,653 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 10 12) no Hoare annotation was computed. [2023-02-18 01:16:18,653 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 16) no Hoare annotation was computed. [2023-02-18 01:16:18,654 INFO L899 garLoopResultBuilder]: For program point L14(lines 14 17) no Hoare annotation was computed. [2023-02-18 01:16:18,654 INFO L899 garLoopResultBuilder]: For program point L14-2(lines 13 19) no Hoare annotation was computed. [2023-02-18 01:16:18,654 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 13 19) no Hoare annotation was computed. [2023-02-18 01:16:18,654 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 13 19) the Hoare annotation is: true [2023-02-18 01:16:18,654 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2023-02-18 01:16:18,657 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-02-18 01:16:18,659 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-18 01:16:18,672 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,675 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,676 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,676 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,676 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,692 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,693 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,693 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,693 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,694 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,694 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,694 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,694 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.02 01:16:18 BoogieIcfgContainer [2023-02-18 01:16:18,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-18 01:16:18,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-18 01:16:18,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-18 01:16:18,700 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-18 01:16:18,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.02 01:16:14" (3/4) ... [2023-02-18 01:16:18,703 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-18 01:16:18,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-02-18 01:16:18,709 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-02-18 01:16:18,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-02-18 01:16:18,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-18 01:16:18,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-02-18 01:16:18,714 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-18 01:16:18,749 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-18 01:16:18,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-18 01:16:18,750 INFO L158 Benchmark]: Toolchain (without parser) took 4661.76ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 127.6MB in the beginning and 161.2MB in the end (delta: -33.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-02-18 01:16:18,750 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 01:16:18,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 177.41ms. Allocated memory is still 172.0MB. Free memory was 127.6MB in the beginning and 117.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 01:16:18,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.87ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 115.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 01:16:18,751 INFO L158 Benchmark]: Boogie Preprocessor took 17.58ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-18 01:16:18,751 INFO L158 Benchmark]: RCFGBuilder took 253.24ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 103.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-18 01:16:18,752 INFO L158 Benchmark]: TraceAbstraction took 4129.82ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 103.2MB in the beginning and 164.3MB in the end (delta: -61.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 01:16:18,752 INFO L158 Benchmark]: Witness Printer took 49.91ms. Allocated memory is still 207.6MB. Free memory was 164.3MB in the beginning and 161.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-02-18 01:16:18,755 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 177.41ms. Allocated memory is still 172.0MB. Free memory was 127.6MB in the beginning and 117.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.87ms. Allocated memory is still 172.0MB. Free memory was 117.0MB in the beginning and 115.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.58ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 114.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.24ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 103.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 4129.82ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 103.2MB in the beginning and 164.3MB in the end (delta: -61.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.91ms. Allocated memory is still 207.6MB. Free memory was 164.3MB in the beginning and 161.2MB 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_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~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: 16]: 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 285 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 660 IncrementalHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 71 mSDtfsCounter, 660 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 111 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=3, InterpolantAutomatonStates: 54, 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 19 PreInvPairs, 33 NumberOfFragments, 1092 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 158 ConstructedInterpolants, 3 QuantifiedInterpolants, 1158 SizeOfPredicates, 23 NumberOfNonLiveVariables, 326 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 41/54 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: 32]: Loop Invariant [2023-02-18 01:16:18,775 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,776 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,776 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,776 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,776 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,777 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,777 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,777 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,779 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,780 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,780 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,780 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,780 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,780 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,781 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] [2023-02-18 01:16:18,781 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~Y~0#1,QUANTIFIED] Derived loop invariant: (((((((((Y <= 100 && X >= 0) && v == -X + 2 * Y) && y == 0) && X <= 100) && x == 0) && 2 * y + (-X + (Y * x * 2 + -(2 * (x * y))) + 2 * Y + -v) == 0) && Y >= 0) || ((((((Y <= 100 && X >= 0) && -1 + x == 0) && -1 + y == 0) && Y * x * 2 + -(X * y * 2) + -X + 2 * Y + -v == 0) && X <= 100) && Y >= 0)) || (((((((Y <= 100 && X >= 0) && x == 0 + 1) && -X + 2 * Y + 2 * Y == v) && y == 0) && X <= 100) && (x + 1 <= X || (forall ULTIMATE.start_main_~Y~0#1 : int :: 2 * y + (-(-1 * X) + -(-2 * (X * y)) + -(2 * ULTIMATE.start_main_~Y~0#1) + -(2 * (ULTIMATE.start_main_~Y~0#1 * (x + 1))) + (-X + (-(y * (x + 1) * 2) + 2 * (ULTIMATE.start_main_~Y~0#1 * (x + 1))) + 2 * ULTIMATE.start_main_~Y~0#1)) == 0))) && Y >= 0)) || (((((Y <= 100 && X >= 0) && Y * x * 2 + -(X * y * 2) + -X + 2 * Y + -v == 0) && X <= 100) && Y >= 0) && (x <= X || (forall ULTIMATE.start_main_~Y~0#1 : int :: 2 * y + (-X + (ULTIMATE.start_main_~Y~0#1 * x * 2 + -(2 * (x * y))) + 2 * ULTIMATE.start_main_~Y~0#1 + (-(-1 * X) + -(-2 * (X * y)) + -(2 * ULTIMATE.start_main_~Y~0#1) + -(ULTIMATE.start_main_~Y~0#1 * x * 2))) == 0))) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-02-18 01:16:18,796 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