/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt8.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 02:11:13,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 02:11:13,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 02:11:13,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 02:11:13,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 02:11:13,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 02:11:13,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 02:11:13,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 02:11:13,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 02:11:13,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 02:11:13,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 02:11:13,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 02:11:13,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 02:11:13,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 02:11:13,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 02:11:13,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 02:11:13,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 02:11:13,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 02:11:13,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 02:11:13,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 02:11:13,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 02:11:13,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 02:11:13,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 02:11:13,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 02:11:13,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 02:11:13,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 02:11:13,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 02:11:13,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 02:11:13,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 02:11:13,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-01-11 02:11:13,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 02:11:13,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 02:11:13,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 02:11:13,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 02:11:13,638 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 02:11:13,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 02:11:13,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 02:11:13,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 02:11:13,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 02:11:13,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 02:11:13,641 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 02:11:13,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 02:11:13,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 02:11:13,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 02:11:13,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 02:11:13,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 02:11:13,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 02:11:13,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 02:11:13,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 02:11:13,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 02:11:13,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 02:11:13,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 02:11:13,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 02:11:13,648 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 02:11:13,648 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 02:11:13,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 02:11:13,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 02:11:13,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 02:11:13,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 02:11:13,853 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 02:11:13,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt8.c [2022-01-11 02:11:13,910 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cdc6a6b1/ccfa1fa29883458791253ead1720d493/FLAG53985cb0d [2022-01-11 02:11:14,288 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 02:11:14,289 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt8.c [2022-01-11 02:11:14,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cdc6a6b1/ccfa1fa29883458791253ead1720d493/FLAG53985cb0d [2022-01-11 02:11:14,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cdc6a6b1/ccfa1fa29883458791253ead1720d493 [2022-01-11 02:11:14,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 02:11:14,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 02:11:14,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 02:11:14,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 02:11:14,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 02:11:14,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:14,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a0f9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14, skipping insertion in model container [2022-01-11 02:11:14,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:14,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 02:11:14,745 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 02:11:14,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt8.c[403,416] [2022-01-11 02:11:14,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 02:11:14,920 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 02:11:14,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt8.c[403,416] [2022-01-11 02:11:14,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 02:11:14,950 INFO L208 MainTranslator]: Completed translation [2022-01-11 02:11:14,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14 WrapperNode [2022-01-11 02:11:14,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 02:11:14,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 02:11:14,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 02:11:14,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 02:11:14,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:14,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:14,988 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-01-11 02:11:14,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 02:11:14,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 02:11:14,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 02:11:14,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 02:11:14,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:14,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 02:11:15,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 02:11:15,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 02:11:15,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 02:11:15,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (1/1) ... [2022-01-11 02:11:15,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 02:11:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:11:15,065 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) [2022-01-11 02:11:15,080 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 [2022-01-11 02:11:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 02:11:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 02:11:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 02:11:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 02:11:15,177 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 02:11:15,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 02:11:15,482 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 02:11:15,487 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 02:11:15,488 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 02:11:15,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:11:15 BoogieIcfgContainer [2022-01-11 02:11:15,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 02:11:15,490 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 02:11:15,490 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 02:11:15,491 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 02:11:15,493 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:11:15" (1/1) ... [2022-01-11 02:11:15,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:11:15 BasicIcfg [2022-01-11 02:11:15,551 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 02:11:15,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 02:11:15,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 02:11:15,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 02:11:15,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 02:11:14" (1/4) ... [2022-01-11 02:11:15,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ec5dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:11:15, skipping insertion in model container [2022-01-11 02:11:15,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 02:11:14" (2/4) ... [2022-01-11 02:11:15,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ec5dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 02:11:15, skipping insertion in model container [2022-01-11 02:11:15,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 02:11:15" (3/4) ... [2022-01-11 02:11:15,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71ec5dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:11:15, skipping insertion in model container [2022-01-11 02:11:15,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 02:11:15" (4/4) ... [2022-01-11 02:11:15,558 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt8.cTransformedIcfg [2022-01-11 02:11:15,563 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 02:11:15,563 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 02:11:15,603 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 02:11:15,610 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 02:11:15,610 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 02:11:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 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) [2022-01-11 02:11:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-01-11 02:11:15,625 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:11:15,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:11:15,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:11:15,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:11:15,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1706768204, now seen corresponding path program 1 times [2022-01-11 02:11:15,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:11:15,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525384172] [2022-01-11 02:11:15,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:15,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:11:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:16,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:11:16,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525384172] [2022-01-11 02:11:16,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525384172] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 02:11:16,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 02:11:16,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 02:11:16,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589571733] [2022-01-11 02:11:16,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 02:11:16,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 02:11:16,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:11:16,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 02:11:16,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 02:11:16,070 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 19 states have internal predecessors, (30), 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) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-01-11 02:11:16,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:11:16,219 INFO L93 Difference]: Finished difference Result 45 states and 67 transitions. [2022-01-11 02:11:16,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 02:11:16,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) Word has length 8 [2022-01-11 02:11:16,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:11:16,231 INFO L225 Difference]: With dead ends: 45 [2022-01-11 02:11:16,232 INFO L226 Difference]: Without dead ends: 20 [2022-01-11 02:11:16,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 02:11:16,241 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 26 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 02:11:16,242 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 57 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 02:11:16,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-01-11 02:11:16,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-01-11 02:11:16,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 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) [2022-01-11 02:11:16,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-01-11 02:11:16,280 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 27 transitions. Word has length 8 [2022-01-11 02:11:16,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:11:16,281 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-01-11 02:11:16,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2022-01-11 02:11:16,282 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-01-11 02:11:16,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-11 02:11:16,283 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:11:16,283 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:11:16,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 02:11:16,284 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:11:16,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:11:16,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1875955160, now seen corresponding path program 1 times [2022-01-11 02:11:16,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:11:16,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769164840] [2022-01-11 02:11:16,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:16,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:11:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:16,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:11:16,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769164840] [2022-01-11 02:11:16,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769164840] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 02:11:16,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641870293] [2022-01-11 02:11:16,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:16,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:11:16,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:11:16,463 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) [2022-01-11 02:11:16,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 02:11:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:16,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-11 02:11:16,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 02:11:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:16,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 02:11:20,979 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ |c_ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int| 1) 4294967296))) (<= (+ (* (div .cse0 8) 8) 1) .cse0)) is different from false [2022-01-11 02:11:23,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2022-01-11 02:11:23,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641870293] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 02:11:23,213 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 02:11:23,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-11 02:11:23,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084054653] [2022-01-11 02:11:23,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 02:11:23,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 02:11:23,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:11:23,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 02:11:23,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2022-01-11 02:11:23,218 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2022-01-11 02:11:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:11:23,450 INFO L93 Difference]: Finished difference Result 50 states and 72 transitions. [2022-01-11 02:11:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 02:11:23,452 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) Word has length 13 [2022-01-11 02:11:23,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:11:23,453 INFO L225 Difference]: With dead ends: 50 [2022-01-11 02:11:23,453 INFO L226 Difference]: Without dead ends: 37 [2022-01-11 02:11:23,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=10, Invalid=13, Unknown=1, NotChecked=6, Total=30 [2022-01-11 02:11:23,454 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 29 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 02:11:23,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 23 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 54 Invalid, 0 Unknown, 21 Unchecked, 0.2s Time] [2022-01-11 02:11:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-01-11 02:11:23,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-01-11 02:11:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 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) [2022-01-11 02:11:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2022-01-11 02:11:23,461 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 13 [2022-01-11 02:11:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:11:23,461 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2022-01-11 02:11:23,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 6 states have internal predecessors, (23), 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) [2022-01-11 02:11:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-01-11 02:11:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-01-11 02:11:23,462 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 02:11:23,462 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 02:11:23,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-11 02:11:23,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:11:23,664 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 02:11:23,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 02:11:23,664 INFO L85 PathProgramCache]: Analyzing trace with hash 2142376383, now seen corresponding path program 1 times [2022-01-11 02:11:23,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 02:11:23,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829154863] [2022-01-11 02:11:23,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:23,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 02:11:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:24,011 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 02:11:24,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829154863] [2022-01-11 02:11:24,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829154863] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 02:11:24,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859193267] [2022-01-11 02:11:24,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 02:11:24,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 02:11:24,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 02:11:24,013 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) [2022-01-11 02:11:24,014 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-11 02:11:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 02:11:24,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 31 conjunts are in the unsatisfiable core [2022-01-11 02:11:24,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 02:11:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:26,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 02:11:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 02:11:26,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859193267] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 02:11:26,723 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 02:11:26,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 19 [2022-01-11 02:11:26,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997745534] [2022-01-11 02:11:26,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 02:11:26,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-01-11 02:11:26,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 02:11:26,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-01-11 02:11:26,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-01-11 02:11:26,726 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 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) [2022-01-11 02:11:27,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 02:11:27,844 INFO L93 Difference]: Finished difference Result 45 states and 61 transitions. [2022-01-11 02:11:27,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-01-11 02:11:27,848 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 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) Word has length 19 [2022-01-11 02:11:27,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 02:11:27,848 INFO L225 Difference]: With dead ends: 45 [2022-01-11 02:11:27,848 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 02:11:27,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2022-01-11 02:11:27,853 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 119 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-01-11 02:11:27,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 18 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-01-11 02:11:27,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 02:11:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 02:11:27,854 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) [2022-01-11 02:11:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 02:11:27,854 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-01-11 02:11:27,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 02:11:27,855 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 02:11:27,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6842105263157894) internal successors, (51), 19 states have internal predecessors, (51), 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) [2022-01-11 02:11:27,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 02:11:27,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 02:11:27,857 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 02:11:27,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-11 02:11:28,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-01-11 02:11:28,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 02:11:28,273 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 02:11:28,274 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 02:11:28,274 INFO L858 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-01-11 02:11:28,274 INFO L854 garLoopResultBuilder]: At program point L42(lines 16 43) the Hoare annotation is: (or (let ((.cse0 (+ |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int|))) (and (<= .cse0 0) (= |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| 0) (<= 0 .cse0) (= 0 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|))) (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) [2022-01-11 02:11:28,274 INFO L854 garLoopResultBuilder]: At program point L21-2(lines 21 41) the Hoare annotation is: (or (and (= |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int| 0) (< |ULTIMATE.start_ULTIMATE.start_main_~n~0#1Int| 4294967296) (= |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| 0) (= 0 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| 0) (<= 0 |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int|) (= |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| 0) (= |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 0)) (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1) 4294967296) |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int|) 4294967296) (mod (+ 1 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) 4294967296)))) [2022-01-11 02:11:28,274 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 02:11:28,274 INFO L858 garLoopResultBuilder]: For program point L21-3(lines 21 41) no Hoare annotation was computed. [2022-01-11 02:11:28,274 INFO L858 garLoopResultBuilder]: For program point L23(lines 23 38) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point L35-2(lines 23 38) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point L25(lines 25 38) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point L27(lines 27 38) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2022-01-11 02:11:28,275 INFO L854 garLoopResultBuilder]: At program point L9-2(lines 8 13) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|) (= (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~v4~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~j~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v2~0#1Int| (mod (+ |ULTIMATE.start_ULTIMATE.start_main_~k~0#1Int| 1) 4294967296) |ULTIMATE.start_ULTIMATE.start_main_~v5~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v3~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~i~0#1Int| |ULTIMATE.start_ULTIMATE.start_main_~v1~0#1Int|) 4294967296) (mod (+ 1 |ULTIMATE.start_ULTIMATE.start_main_~l~0#1Int|) 4294967296))) [2022-01-11 02:11:28,275 INFO L858 garLoopResultBuilder]: For program point L29(lines 29 38) no Hoare annotation was computed. [2022-01-11 02:11:28,276 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2022-01-11 02:11:28,276 INFO L858 garLoopResultBuilder]: For program point L31(lines 31 38) no Hoare annotation was computed. [2022-01-11 02:11:28,276 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 38) no Hoare annotation was computed. [2022-01-11 02:11:28,276 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 38) no Hoare annotation was computed. [2022-01-11 02:11:28,279 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-11 02:11:28,280 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 02:11:28,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 02:11:28 BasicIcfg [2022-01-11 02:11:28,314 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 02:11:28,314 INFO L158 Benchmark]: Toolchain (without parser) took 13599.54ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 116.3MB in the beginning and 101.3MB in the end (delta: 15.0MB). Peak memory consumption was 79.1MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,315 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 02:11:28,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.84ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 116.1MB in the beginning and 208.1MB in the end (delta: -92.0MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.91ms. Allocated memory is still 237.0MB. Free memory was 208.1MB in the beginning and 206.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,316 INFO L158 Benchmark]: Boogie Preprocessor took 36.41ms. Allocated memory is still 237.0MB. Free memory was 206.5MB in the beginning and 205.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,316 INFO L158 Benchmark]: RCFGBuilder took 461.82ms. Allocated memory is still 237.0MB. Free memory was 205.5MB in the beginning and 194.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,316 INFO L158 Benchmark]: IcfgTransformer took 61.63ms. Allocated memory is still 237.0MB. Free memory was 194.0MB in the beginning and 190.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,316 INFO L158 Benchmark]: TraceAbstraction took 12761.05ms. Allocated memory is still 237.0MB. Free memory was 189.8MB in the beginning and 101.3MB in the end (delta: 88.4MB). Peak memory consumption was 90.0MB. Max. memory is 8.0GB. [2022-01-11 02:11:28,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.84ms. Allocated memory was 174.1MB in the beginning and 237.0MB in the end (delta: 62.9MB). Free memory was 116.1MB in the beginning and 208.1MB in the end (delta: -92.0MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.91ms. Allocated memory is still 237.0MB. Free memory was 208.1MB in the beginning and 206.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.41ms. Allocated memory is still 237.0MB. Free memory was 206.5MB in the beginning and 205.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 461.82ms. Allocated memory is still 237.0MB. Free memory was 205.5MB in the beginning and 194.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * IcfgTransformer took 61.63ms. Allocated memory is still 237.0MB. Free memory was 194.0MB in the beginning and 190.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * TraceAbstraction took 12761.05ms. Allocated memory is still 237.0MB. Free memory was 189.8MB in the beginning and 101.3MB in the end (delta: 88.4MB). Peak memory consumption was 90.0MB. 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: 10]: 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 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.7s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 21 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 242 IncrementalHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 41 mSDtfsCounter, 242 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 83 GetRequests, 49 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=2, InterpolantAutomatonStates: 21, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 116 HoareAnnotationTreeSize, 3 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 347 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 97 ConstructedInterpolants, 0 QuantifiedInterpolants, 2222 SizeOfPredicates, 13 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 8/24 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: 8]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) && ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(~bvadd16(~zero_extendFrom32To33(k), 1bv33)[31:0])), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(v3)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1))[31:0] == ~bvadd16(1bv33, ~zero_extendFrom32To33(l))[31:0] - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((((((((((l == 0bv32 && ~bvule32(v5, 0bv32)) && k == 0bv32) && v1 == 0bv32) && i == 0bv32) && ~bvule32(0bv32, v5)) && v3 == 0bv32) && v2 == 0bv32) && v4 == 0bv32) && ~bvult64(~zero_extendFrom32To33(n), 4294967296bv33)) && j == 0bv32) || (~bvule32(1bv32, cond) && ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(~bvadd16(~zero_extendFrom32To33(k), 1bv33)[31:0])), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(v3)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1))[31:0] == ~bvadd16(1bv33, ~zero_extendFrom32To33(l))[31:0]) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) || (((l == 0bv32 && ~bvule32(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(k)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1)), 0bv33)) && ~bvule32(0bv33, ~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~zero_extendFrom32To33(v4), ~zero_extendFrom32To33(j)), ~zero_extendFrom32To33(v2)), ~zero_extendFrom32To33(v5)), ~zero_extendFrom32To33(k)), ~zero_extendFrom32To33(i)), ~zero_extendFrom32To33(v1)))) && v3 == 0bv32) RESULT: Ultimate proved your program to be correct! [2022-01-11 02:11:28,352 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...