/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_BITWISE.epf -i ../../../trunk/examples/svcomp/array-fpi/ifncompf.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 09:55:03,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 09:55:03,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 09:55:03,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 09:55:03,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 09:55:03,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 09:55:03,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 09:55:03,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 09:55:03,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 09:55:03,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 09:55:03,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 09:55:03,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 09:55:03,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 09:55:03,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 09:55:03,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 09:55:03,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 09:55:03,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 09:55:03,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 09:55:03,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 09:55:03,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 09:55:03,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 09:55:03,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 09:55:03,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 09:55:03,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 09:55:03,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-10 09:55:03,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 09:55:03,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 09:55:03,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 09:55:03,722 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 09:55:03,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 09:55:03,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 09:55:03,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 09:55:03,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 09:55:03,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 09:55:03,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 09:55:03,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 09:55:03,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 09:55:03,760 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 09:55:03,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 09:55:03,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 09:55:03,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 09:55:03,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 09:55:03,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 09:55:03,761 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 09:55:03,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 09:55:03,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 09:55:03,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 09:55:03,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 09:55:03,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 09:55:03,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 09:55:03,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:55:03,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 09:55:03,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 09:55:03,766 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 09:55:03,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 09:55:03,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 09:55:03,766 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 09:55:03,767 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 09:55:03,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 09:55:03,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 09:55:03,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 09:55:03,768 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 09:55:03,768 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 09:55:03,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 09:55:03,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 09:55:03,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 09:55:03,972 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 09:55:03,974 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 09:55:03,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/ifncompf.c [2022-01-10 09:55:04,014 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a60dde8/1b099af98f2a440aaf28d6e5584c8eec/FLAG6b05fa7ae [2022-01-10 09:55:04,435 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 09:55:04,436 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifncompf.c [2022-01-10 09:55:04,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a60dde8/1b099af98f2a440aaf28d6e5584c8eec/FLAG6b05fa7ae [2022-01-10 09:55:04,450 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a60dde8/1b099af98f2a440aaf28d6e5584c8eec [2022-01-10 09:55:04,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 09:55:04,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 09:55:04,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 09:55:04,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 09:55:04,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 09:55:04,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae3b0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04, skipping insertion in model container [2022-01-10 09:55:04,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 09:55:04,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 09:55:04,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifncompf.c[591,604] [2022-01-10 09:55:04,585 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:55:04,593 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 09:55:04,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/ifncompf.c[591,604] [2022-01-10 09:55:04,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 09:55:04,633 INFO L208 MainTranslator]: Completed translation [2022-01-10 09:55:04,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04 WrapperNode [2022-01-10 09:55:04,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 09:55:04,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 09:55:04,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 09:55:04,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 09:55:04,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,673 INFO L137 Inliner]: procedures = 18, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-01-10 09:55:04,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 09:55:04,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 09:55:04,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 09:55:04,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 09:55:04,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 09:55:04,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 09:55:04,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 09:55:04,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 09:55:04,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:04,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 09:55:04,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:55:04,716 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) [2022-01-10 09:55:04,728 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 [2022-01-10 09:55:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 09:55:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 09:55:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 09:55:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 09:55:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 09:55:04,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 09:55:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 09:55:04,784 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 09:55:04,785 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 09:55:04,962 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 09:55:04,966 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 09:55:04,966 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 09:55:04,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:55:04 BoogieIcfgContainer [2022-01-10 09:55:04,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 09:55:04,968 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 09:55:04,968 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 09:55:04,969 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 09:55:04,971 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:55:04" (1/1) ... [2022-01-10 09:55:05,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:55:05 BasicIcfg [2022-01-10 09:55:05,063 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 09:55:05,065 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 09:55:05,065 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 09:55:05,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 09:55:05,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 09:55:04" (1/4) ... [2022-01-10 09:55:05,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4692009c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:55:05, skipping insertion in model container [2022-01-10 09:55:05,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 09:55:04" (2/4) ... [2022-01-10 09:55:05,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4692009c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 09:55:05, skipping insertion in model container [2022-01-10 09:55:05,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 09:55:04" (3/4) ... [2022-01-10 09:55:05,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4692009c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:55:05, skipping insertion in model container [2022-01-10 09:55:05,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 09:55:05" (4/4) ... [2022-01-10 09:55:05,068 INFO L111 eAbstractionObserver]: Analyzing ICFG ifncompf.cTransformedIcfg [2022-01-10 09:55:05,071 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 09:55:05,071 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 09:55:05,097 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 09:55:05,101 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 [2022-01-10 09:55:05,101 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 09:55:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 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) [2022-01-10 09:55:05,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 09:55:05,112 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:55:05,112 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:55:05,113 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:55:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:55:05,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2088313778, now seen corresponding path program 1 times [2022-01-10 09:55:05,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:55:05,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360551984] [2022-01-10 09:55:05,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:55:05,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:55:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:55:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:55:05,283 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:55:05,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360551984] [2022-01-10 09:55:05,284 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360551984] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:55:05,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:55:05,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 09:55:05,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164212648] [2022-01-10 09:55:05,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:55:05,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 09:55:05,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:55:05,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 09:55:05,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:55:05,312 INFO L87 Difference]: Start difference. First operand has 27 states, 25 states have (on average 1.6) internal successors, (40), 26 states have internal predecessors, (40), 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 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-01-10 09:55:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:55:05,331 INFO L93 Difference]: Finished difference Result 50 states and 74 transitions. [2022-01-10 09:55:05,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 09:55:05,334 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 14 [2022-01-10 09:55:05,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:55:05,341 INFO L225 Difference]: With dead ends: 50 [2022-01-10 09:55:05,341 INFO L226 Difference]: Without dead ends: 23 [2022-01-10 09:55:05,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 09:55:05,347 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 09:55:05,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 09:55:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-01-10 09:55:05,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-01-10 09:55:05,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 22 states have internal predecessors, (29), 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) [2022-01-10 09:55:05,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2022-01-10 09:55:05,378 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 14 [2022-01-10 09:55:05,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:55:05,379 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2022-01-10 09:55:05,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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) [2022-01-10 09:55:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2022-01-10 09:55:05,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-01-10 09:55:05,381 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:55:05,381 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:55:05,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 09:55:05,382 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:55:05,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:55:05,387 INFO L85 PathProgramCache]: Analyzing trace with hash -627664842, now seen corresponding path program 1 times [2022-01-10 09:55:05,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:55:05,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913923000] [2022-01-10 09:55:05,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:55:05,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:55:05,458 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:55:05,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555225640] [2022-01-10 09:55:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:55:05,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:55:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:55:05,480 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) [2022-01-10 09:55:05,481 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 09:55:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 09:55:05,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-10 09:55:05,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 09:55:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 09:55:05,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 09:55:05,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 09:55:05,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913923000] [2022-01-10 09:55:05,766 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-10 09:55:05,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555225640] [2022-01-10 09:55:05,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555225640] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 09:55:05,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 09:55:05,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 09:55:05,769 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333707733] [2022-01-10 09:55:05,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 09:55:05,771 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 09:55:05,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 09:55:05,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 09:55:05,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 09:55:05,772 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-01-10 09:55:07,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 09:55:09,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 09:55:10,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 09:55:10,233 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2022-01-10 09:55:10,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 09:55:10,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-01-10 09:55:10,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 09:55:10,235 INFO L225 Difference]: With dead ends: 62 [2022-01-10 09:55:10,235 INFO L226 Difference]: Without dead ends: 38 [2022-01-10 09:55:10,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-10 09:55:10,236 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 22 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-01-10 09:55:10,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 33 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 44 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2022-01-10 09:55:10,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-01-10 09:55:10,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 29. [2022-01-10 09:55:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 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) [2022-01-10 09:55:10,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-01-10 09:55:10,240 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 14 [2022-01-10 09:55:10,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 09:55:10,240 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-01-10 09:55:10,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 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) [2022-01-10 09:55:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-01-10 09:55:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-01-10 09:55:10,241 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 09:55:10,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 09:55:10,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 09:55:10,442 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 [2022-01-10 09:55:10,445 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 09:55:10,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 09:55:10,445 INFO L85 PathProgramCache]: Analyzing trace with hash -210198290, now seen corresponding path program 1 times [2022-01-10 09:55:10,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 09:55:10,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638951936] [2022-01-10 09:55:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:55:10,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 09:55:10,479 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-10 09:55:10,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653140934] [2022-01-10 09:55:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 09:55:10,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 09:55:10,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 09:55:10,481 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) [2022-01-10 09:55:10,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 09:55:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 09:55:10,711 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 09:55:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 09:55:10,803 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 09:55:10,803 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 09:55:10,804 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 09:55:10,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 09:55:11,005 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 [2022-01-10 09:55:11,008 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 09:55:11,010 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 09:55:11,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 09:55:11 BasicIcfg [2022-01-10 09:55:11,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 09:55:11,064 INFO L158 Benchmark]: Toolchain (without parser) took 6611.76ms. Allocated memory was 231.7MB in the beginning and 364.9MB in the end (delta: 133.2MB). Free memory was 178.0MB in the beginning and 221.9MB in the end (delta: -43.9MB). Peak memory consumption was 88.5MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,064 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 231.7MB. Free memory is still 194.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 09:55:11,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.64ms. Allocated memory was 231.7MB in the beginning and 364.9MB in the end (delta: 133.2MB). Free memory was 177.8MB in the beginning and 338.3MB in the end (delta: -160.5MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 364.9MB. Free memory was 338.3MB in the beginning and 336.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,065 INFO L158 Benchmark]: Boogie Preprocessor took 17.35ms. Allocated memory is still 364.9MB. Free memory was 336.2MB in the beginning and 335.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,065 INFO L158 Benchmark]: RCFGBuilder took 273.18ms. Allocated memory is still 364.9MB. Free memory was 335.2MB in the beginning and 319.9MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,066 INFO L158 Benchmark]: IcfgTransformer took 95.56ms. Allocated memory is still 364.9MB. Free memory was 319.9MB in the beginning and 311.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,066 INFO L158 Benchmark]: TraceAbstraction took 5998.93ms. Allocated memory is still 364.9MB. Free memory was 310.5MB in the beginning and 221.9MB in the end (delta: 88.6MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB. [2022-01-10 09:55:11,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 231.7MB. Free memory is still 194.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 180.64ms. Allocated memory was 231.7MB in the beginning and 364.9MB in the end (delta: 133.2MB). Free memory was 177.8MB in the beginning and 338.3MB in the end (delta: -160.5MB). Peak memory consumption was 5.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 364.9MB. Free memory was 338.3MB in the beginning and 336.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.35ms. Allocated memory is still 364.9MB. Free memory was 336.2MB in the beginning and 335.2MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 273.18ms. Allocated memory is still 364.9MB. Free memory was 335.2MB in the beginning and 319.9MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * IcfgTransformer took 95.56ms. Allocated memory is still 364.9MB. Free memory was 319.9MB in the beginning and 311.1MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 5998.93ms. Allocated memory is still 364.9MB. Free memory was 310.5MB in the beginning and 221.9MB in the end (delta: 88.6MB). Peak memory consumption was 88.1MB. 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long *a = malloc(sizeof(long long)*N); [L29] long long *b = malloc(sizeof(long long)*N); [L30] long long *c = malloc(sizeof(long long)*N); [L32] i=0 VAL [a={-2:0}, b={-4:0}, c={-3:0}, i=0, N=1] [L32] COND TRUE i