/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:19:44,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:19:44,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:19:44,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:19:44,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:19:44,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:19:44,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:19:44,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:19:44,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:19:44,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:19:44,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:19:44,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:19:44,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:19:44,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:19:44,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:19:44,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:19:44,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:19:44,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:19:44,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:19:44,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:19:44,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:19:44,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:19:44,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:19:44,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:19:44,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 23:19:44,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:19:44,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:19:44,668 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:19:44,669 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:19:44,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:19:44,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:19:44,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:19:44,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:19:44,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:19:44,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:19:44,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:19:44,673 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 23:19:44,702 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:19:44,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:19:44,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:19:44,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:19:44,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:19:44,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:19:44,705 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:19:44,705 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:19:44,705 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:19:44,705 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:19:44,706 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:19:44,706 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:19:44,706 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:19:44,706 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:19:44,706 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:19:44,707 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:19:44,707 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:19:44,707 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:19:44,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:19:44,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:19:44,709 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:19:44,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:19:44,709 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:19:44,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:19:44,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:19:44,709 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:19:44,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:19:44,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:19:44,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:19:44,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:19:44,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:19:44,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:19:44,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:19:44,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:19:44,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:19:44,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:19:44,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:19:45,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:19:45,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:19:45,013 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:19:45,014 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:19:45,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2023-03-31 23:19:46,181 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:19:46,399 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:19:46,400 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2023-03-31 23:19:46,404 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0e2534d/ae22faf658d142e682b35b83ce21b825/FLAG1ad426531 [2023-03-31 23:19:46,415 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f0e2534d/ae22faf658d142e682b35b83ce21b825 [2023-03-31 23:19:46,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:19:46,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:19:46,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:19:46,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:19:46,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:19:46,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8566ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46, skipping insertion in model container [2023-03-31 23:19:46,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:19:46,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:19:46,583 WARN L247 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/geo3-ll_valuebound1.c[525,538] [2023-03-31 23:19:46,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:19:46,606 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:19:46,618 WARN L247 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/geo3-ll_valuebound1.c[525,538] [2023-03-31 23:19:46,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:19:46,635 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:19:46,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46 WrapperNode [2023-03-31 23:19:46,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:19:46,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:19:46,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:19:46,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:19:46,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:19:46,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:19:46,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:19:46,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:19:46,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (1/1) ... [2023-03-31 23:19:46,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:19:46,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:19:46,698 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) [2023-03-31 23:19:46,711 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 [2023-03-31 23:19:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:19:46,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:19:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:19:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 23:19:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 23:19:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:19:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:19:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:19:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:19:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:19:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:19:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:19:46,790 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:19:46,791 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:19:46,911 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:19:46,939 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:19:46,939 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 23:19:46,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:19:46 BoogieIcfgContainer [2023-03-31 23:19:46,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:19:46,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:19:46,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:19:46,960 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:19:46,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:19:46" (1/3) ... [2023-03-31 23:19:46,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78188eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:19:46, skipping insertion in model container [2023-03-31 23:19:46,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:19:46" (2/3) ... [2023-03-31 23:19:46,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78188eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:19:46, skipping insertion in model container [2023-03-31 23:19:46,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:19:46" (3/3) ... [2023-03-31 23:19:46,964 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound1.c [2023-03-31 23:19:47,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:19:47,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:19:47,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:19:47,053 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=FINITE_AUTOMATA, 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;@47cb7a9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:19:47,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:19:47,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-03-31 23:19:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-03-31 23:19:47,068 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:19:47,068 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:19:47,069 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:19:47,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:19:47,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2114771114, now seen corresponding path program 1 times [2023-03-31 23:19:47,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:19:47,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276463614] [2023-03-31 23:19:47,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:19:47,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:19:47,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-03-31 23:19:47,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520406025] [2023-03-31 23:19:47,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:19:47,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:19:47,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:19:47,195 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) [2023-03-31 23:19:47,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:19:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:19:47,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 26 conjunts are in the unsatisfiable core [2023-03-31 23:19:47,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:19:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-31 23:19:47,602 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:19:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 23:19:47,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:19:47,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276463614] [2023-03-31 23:19:47,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-03-31 23:19:47,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520406025] [2023-03-31 23:19:47,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520406025] provided 1 perfect and 1 imperfect interpolant sequences [2023-03-31 23:19:47,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 23:19:47,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2023-03-31 23:19:47,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749218363] [2023-03-31 23:19:47,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:19:47,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-03-31 23:19:47,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:19:47,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-03-31 23:19:47,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:19:47,730 INFO L87 Difference]: Start difference. First operand has 27 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 15 states have internal predecessors, (18), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 23:19:47,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:19:47,807 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2023-03-31 23:19:47,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 23:19:47,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 22 [2023-03-31 23:19:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:19:47,815 INFO L225 Difference]: With dead ends: 39 [2023-03-31 23:19:47,815 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:19:47,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-03-31 23:19:47,822 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:19:47,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 65 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:19:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:19:47,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:19:47,847 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) [2023-03-31 23:19:47,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:19:47,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2023-03-31 23:19:47,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:19:47,849 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:19:47,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-03-31 23:19:47,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:19:47,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:19:47,855 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:19:47,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 23:19:48,061 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 [2023-03-31 23:19:48,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:19:48,096 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 8) no Hoare annotation was computed. [2023-03-31 23:19:48,096 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 8) no Hoare annotation was computed. [2023-03-31 23:19:48,096 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 13) the Hoare annotation is: true [2023-03-31 23:19:48,097 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 11 13) no Hoare annotation was computed. [2023-03-31 23:19:48,098 INFO L902 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: true [2023-03-31 23:19:48,098 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-03-31 23:19:48,098 INFO L902 garLoopResultBuilder]: At program point L27(line 27) the Hoare annotation is: true [2023-03-31 23:19:48,099 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2023-03-31 23:19:48,100 INFO L902 garLoopResultBuilder]: At program point L25(line 25) the Hoare annotation is: true [2023-03-31 23:19:48,101 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 21 48) no Hoare annotation was computed. [2023-03-31 23:19:48,104 INFO L899 garLoopResultBuilder]: For program point L25-1(line 25) no Hoare annotation was computed. [2023-03-31 23:19:48,105 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-03-31 23:19:48,105 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 21 48) the Hoare annotation is: true [2023-03-31 23:19:48,106 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 45) the Hoare annotation is: (= (+ (* main_~y~0 main_~az~0) main_~x~0) (+ (* main_~z~0 main_~x~0) main_~a~0)) [2023-03-31 23:19:48,106 INFO L895 garLoopResultBuilder]: At program point L36-3(lines 36 45) the Hoare annotation is: (= (+ (* main_~y~0 main_~az~0) main_~x~0) (+ (* main_~z~0 main_~x~0) main_~a~0)) [2023-03-31 23:19:48,106 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (= (+ (* main_~y~0 main_~az~0) main_~x~0) (+ (* main_~z~0 main_~x~0) main_~a~0)) [2023-03-31 23:19:48,107 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 36 45) no Hoare annotation was computed. [2023-03-31 23:19:48,107 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:19:48,108 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:19:48,110 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:19:48,111 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-31 23:19:48,114 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:19:48,114 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:19:48,115 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2023-03-31 23:19:48,115 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2023-03-31 23:19:48,115 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2023-03-31 23:19:48,115 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-03-31 23:19:48,115 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-03-31 23:19:48,115 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2023-03-31 23:19:48,118 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-03-31 23:19:48,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:19:48,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:19:48 BoogieIcfgContainer [2023-03-31 23:19:48,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:19:48,139 INFO L158 Benchmark]: Toolchain (without parser) took 1718.00ms. Allocated memory is still 228.6MB. Free memory was 193.4MB in the beginning and 118.4MB in the end (delta: 75.0MB). Peak memory consumption was 74.4MB. Max. memory is 8.0GB. [2023-03-31 23:19:48,140 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory was 134.2MB in the beginning and 134.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:19:48,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.49ms. Allocated memory is still 228.6MB. Free memory was 193.4MB in the beginning and 182.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 23:19:48,142 INFO L158 Benchmark]: Boogie Preprocessor took 24.66ms. Allocated memory is still 228.6MB. Free memory was 182.9MB in the beginning and 181.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-03-31 23:19:48,142 INFO L158 Benchmark]: RCFGBuilder took 280.17ms. Allocated memory is still 228.6MB. Free memory was 181.4MB in the beginning and 169.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2023-03-31 23:19:48,143 INFO L158 Benchmark]: TraceAbstraction took 1178.40ms. Allocated memory is still 228.6MB. Free memory was 168.2MB in the beginning and 118.4MB in the end (delta: 49.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. [2023-03-31 23:19:48,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 189.8MB. Free memory was 134.2MB in the beginning and 134.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 216.49ms. Allocated memory is still 228.6MB. Free memory was 193.4MB in the beginning and 182.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.66ms. Allocated memory is still 228.6MB. Free memory was 182.9MB in the beginning and 181.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 280.17ms. Allocated memory is still 228.6MB. Free memory was 181.4MB in the beginning and 169.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1178.40ms. Allocated memory is still 228.6MB. Free memory was 168.2MB in the beginning and 118.4MB in the end (delta: 49.8MB). Peak memory consumption was 49.3MB. Max. memory is 8.0GB. * 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: 17]: 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 6 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 20 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 17 PreInvPairs, 20 NumberOfFragments, 42 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 142 SizeOfPredicates, 4 NumberOfNonLiveVariables, 92 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 11/12 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: 36]: Loop Invariant Derived loop invariant: y * az + x == z * x + a RESULT: Ultimate proved your program to be correct! [2023-03-31 23:19:48,169 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...