/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/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 08:31:50,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 08:31:50,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 08:31:50,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 08:31:50,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 08:31:50,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 08:31:50,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 08:31:50,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 08:31:50,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 08:31:50,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 08:31:50,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 08:31:50,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 08:31:50,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 08:31:50,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 08:31:50,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 08:31:50,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 08:31:50,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 08:31:50,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 08:31:50,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 08:31:50,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 08:31:50,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 08:31:50,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 08:31:50,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 08:31:50,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 08:31:50,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 08:31:50,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 08:31:50,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 08:31:50,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 08:31:50,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 08:31:50,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 08:31:50,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 08:31:50,356 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 08:31:50,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 08:31:50,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 08:31:50,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 08:31:50,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 08:31:50,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 08:31:50,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 08:31:50,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 08:31:50,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 08:31:50,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 08:31:50,364 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 08:31:50,386 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 08:31:50,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 08:31:50,386 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 08:31:50,386 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 08:31:50,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 08:31:50,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 08:31:50,387 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 08:31:50,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 08:31:50,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 08:31:50,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 08:31:50,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 08:31:50,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 08:31:50,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 08:31:50,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 08:31:50,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 08:31:50,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 08:31:50,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 08:31:50,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 08:31:50,389 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 08:31:50,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 08:31:50,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 08:31:50,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 08:31:50,390 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 08:31:50,391 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 08:31:50,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 08:31:50,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 08:31:50,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 08:31:50,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 08:31:50,592 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 08:31:50,593 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 08:31:50,594 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2022-01-10 08:31:50,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f34c812d7/83767566de924b35bb5fbc51aeb37cd1/FLAGc61a2ce32 [2022-01-10 08:31:50,981 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 08:31:50,982 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2022-01-10 08:31:50,990 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f34c812d7/83767566de924b35bb5fbc51aeb37cd1/FLAGc61a2ce32 [2022-01-10 08:31:51,389 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f34c812d7/83767566de924b35bb5fbc51aeb37cd1 [2022-01-10 08:31:51,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 08:31:51,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 08:31:51,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 08:31:51,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 08:31:51,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 08:31:51,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a510c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51, skipping insertion in model container [2022-01-10 08:31:51,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 08:31:51,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 08:31:51,544 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/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2022-01-10 08:31:51,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 08:31:51,600 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 08:31:51,614 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/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2022-01-10 08:31:51,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 08:31:51,648 INFO L208 MainTranslator]: Completed translation [2022-01-10 08:31:51,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51 WrapperNode [2022-01-10 08:31:51,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 08:31:51,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 08:31:51,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 08:31:51,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 08:31:51,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,691 INFO L137 Inliner]: procedures = 42, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2022-01-10 08:31:51,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 08:31:51,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 08:31:51,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 08:31:51,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 08:31:51,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 08:31:51,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 08:31:51,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 08:31:51,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 08:31:51,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (1/1) ... [2022-01-10 08:31:51,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 08:31:51,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 08:31:51,753 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 08:31:51,772 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 08:31:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 08:31:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-01-10 08:31:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 08:31:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 08:31:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-01-10 08:31:51,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 08:31:51,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 08:31:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-01-10 08:31:51,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 08:31:51,899 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 08:31:51,900 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 08:31:52,135 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 08:31:52,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 08:31:52,140 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-01-10 08:31:52,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:31:52 BoogieIcfgContainer [2022-01-10 08:31:52,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 08:31:52,142 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 08:31:52,142 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 08:31:52,142 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 08:31:52,144 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:31:52" (1/1) ... [2022-01-10 08:31:52,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:31:52 BasicIcfg [2022-01-10 08:31:52,246 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 08:31:52,247 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 08:31:52,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 08:31:52,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 08:31:52,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 08:31:51" (1/4) ... [2022-01-10 08:31:52,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2fa2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:31:52, skipping insertion in model container [2022-01-10 08:31:52,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 08:31:51" (2/4) ... [2022-01-10 08:31:52,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2fa2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 08:31:52, skipping insertion in model container [2022-01-10 08:31:52,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 08:31:52" (3/4) ... [2022-01-10 08:31:52,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2fa2f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:31:52, skipping insertion in model container [2022-01-10 08:31:52,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 08:31:52" (4/4) ... [2022-01-10 08:31:52,251 INFO L111 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.iTransformedIcfg [2022-01-10 08:31:52,255 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 08:31:52,255 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 08:31:52,286 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 08:31:52,290 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 08:31:52,290 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 08:31:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 37 states have internal predecessors, (56), 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 08:31:52,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-10 08:31:52,310 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:31:52,310 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] [2022-01-10 08:31:52,311 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:31:52,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:31:52,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1383316377, now seen corresponding path program 1 times [2022-01-10 08:31:52,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:31:52,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108879024] [2022-01-10 08:31:52,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:31:52,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:31:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:31:52,466 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 08:31:52,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:31:52,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108879024] [2022-01-10 08:31:52,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108879024] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:31:52,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:31:52,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 08:31:52,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739888296] [2022-01-10 08:31:52,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:31:52,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 08:31:52,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:31:52,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 08:31:52,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 08:31:52,497 INFO L87 Difference]: Start difference. First operand has 38 states, 36 states have (on average 1.5555555555555556) internal successors, (56), 37 states have internal predecessors, (56), 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 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 08:31:52,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:31:52,514 INFO L93 Difference]: Finished difference Result 72 states and 106 transitions. [2022-01-10 08:31:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 08:31:52,515 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 20 [2022-01-10 08:31:52,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:31:52,521 INFO L225 Difference]: With dead ends: 72 [2022-01-10 08:31:52,521 INFO L226 Difference]: Without dead ends: 33 [2022-01-10 08:31:52,523 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 08:31:52,529 INFO L933 BasicCegarLoop]: 51 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, 51 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 08:31:52,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 08:31:52,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-01-10 08:31:52,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-01-10 08:31:52,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 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 08:31:52,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2022-01-10 08:31:52,558 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 20 [2022-01-10 08:31:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:31:52,558 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-01-10 08:31:52,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 08:31:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-01-10 08:31:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 08:31:52,561 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:31:52,561 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, 1] [2022-01-10 08:31:52,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 08:31:52,562 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:31:52,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:31:52,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1999621252, now seen corresponding path program 1 times [2022-01-10 08:31:52,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:31:52,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581689507] [2022-01-10 08:31:52,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:31:52,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:31:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:31:52,703 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 08:31:52,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:31:52,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581689507] [2022-01-10 08:31:52,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581689507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:31:52,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:31:52,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 08:31:52,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941583888] [2022-01-10 08:31:52,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:31:52,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 08:31:52,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:31:52,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 08:31:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:31:52,707 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 08:31:52,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:31:52,728 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2022-01-10 08:31:52,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 08:31:52,729 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 24 [2022-01-10 08:31:52,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:31:52,731 INFO L225 Difference]: With dead ends: 61 [2022-01-10 08:31:52,731 INFO L226 Difference]: Without dead ends: 34 [2022-01-10 08:31:52,735 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 08:31:52,736 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 0 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 08:31:52,736 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 08:31:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-01-10 08:31:52,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-01-10 08:31:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 33 states have internal predecessors, (44), 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 08:31:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2022-01-10 08:31:52,745 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 24 [2022-01-10 08:31:52,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:31:52,746 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2022-01-10 08:31:52,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 08:31:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-01-10 08:31:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 08:31:52,754 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:31:52,754 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, 1] [2022-01-10 08:31:52,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 08:31:52,754 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:31:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:31:52,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1489087075, now seen corresponding path program 1 times [2022-01-10 08:31:52,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:31:52,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74477746] [2022-01-10 08:31:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:31:52,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:31:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:31:52,921 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 08:31:52,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:31:52,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74477746] [2022-01-10 08:31:52,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74477746] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:31:52,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:31:52,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-10 08:31:52,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572375251] [2022-01-10 08:31:52,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:31:52,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-10 08:31:52,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:31:52,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-10 08:31:52,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 08:31:52,923 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 08:31:53,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:31:53,032 INFO L93 Difference]: Finished difference Result 87 states and 114 transitions. [2022-01-10 08:31:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 08:31:53,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 24 [2022-01-10 08:31:53,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:31:53,036 INFO L225 Difference]: With dead ends: 87 [2022-01-10 08:31:53,036 INFO L226 Difference]: Without dead ends: 59 [2022-01-10 08:31:53,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-01-10 08:31:53,037 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 56 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:31:53,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 87 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:31:53,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-01-10 08:31:53,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 38. [2022-01-10 08:31:53,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 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 08:31:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2022-01-10 08:31:53,041 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 24 [2022-01-10 08:31:53,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:31:53,042 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2022-01-10 08:31:53,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 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 08:31:53,042 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-01-10 08:31:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-01-10 08:31:53,042 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 08:31:53,042 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, 1] [2022-01-10 08:31:53,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 08:31:53,043 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 08:31:53,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 08:31:53,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1889747389, now seen corresponding path program 1 times [2022-01-10 08:31:53,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 08:31:53,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589667767] [2022-01-10 08:31:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 08:31:53,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 08:31:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 08:31:53,169 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 08:31:53,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 08:31:53,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589667767] [2022-01-10 08:31:53,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589667767] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 08:31:53,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 08:31:53,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 08:31:53,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598378186] [2022-01-10 08:31:53,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 08:31:53,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 08:31:53,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 08:31:53,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 08:31:53,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-10 08:31:53,172 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 08:31:53,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 08:31:53,347 INFO L93 Difference]: Finished difference Result 72 states and 96 transitions. [2022-01-10 08:31:53,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-10 08:31:53,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 24 [2022-01-10 08:31:53,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 08:31:53,348 INFO L225 Difference]: With dead ends: 72 [2022-01-10 08:31:53,349 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 08:31:53,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 08:31:53,350 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 49 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 08:31:53,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 126 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 08:31:53,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 08:31:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 08:31:53,351 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) [2022-01-10 08:31:53,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 08:31:53,351 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-01-10 08:31:53,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 08:31:53,351 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 08:31:53,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 08:31:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 08:31:53,351 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 08:31:53,353 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 08:31:53,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 08:31:53,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 08:31:53,387 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 08:31:53,388 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 08:31:53,388 INFO L861 garLoopResultBuilder]: At program point L90-3(lines 90 92) the Hoare annotation is: true [2022-01-10 08:31:53,388 INFO L858 garLoopResultBuilder]: For program point L90-4(lines 90 92) no Hoare annotation was computed. [2022-01-10 08:31:53,388 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 90 92) no Hoare annotation was computed. [2022-01-10 08:31:53,388 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2022-01-10 08:31:53,388 INFO L861 garLoopResultBuilder]: At program point L85(lines 58 86) the Hoare annotation is: true [2022-01-10 08:31:53,388 INFO L854 garLoopResultBuilder]: At program point L63-4(lines 63 84) the Hoare annotation is: (or (not (<= (let ((.cse2 (* (- 1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~start~0#1Int|))) (let ((.cse3 (div (+ .cse2 4294967296) 4294967296))) (let ((.cse0 (* .cse3 (- 4294967296)))) (let ((.cse1 (div (+ .cse0 |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| .cse2 4294967297) 4294967296))) (+ (* 4294967296 (div (+ .cse0 (* (- 4294967296) .cse1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| .cse2 4294967297) 2147483648)) (* .cse3 4294967296) (* 4294967296 .cse1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~start~0#1Int|))))) (+ |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| 4294967295))) (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) [2022-01-10 08:31:53,388 INFO L861 garLoopResultBuilder]: At program point L95(lines 87 96) the Hoare annotation is: true [2022-01-10 08:31:53,389 INFO L858 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2022-01-10 08:31:53,389 INFO L858 garLoopResultBuilder]: For program point L63-5(lines 63 84) no Hoare annotation was computed. [2022-01-10 08:31:53,389 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 08:31:53,389 INFO L861 garLoopResultBuilder]: At program point L67-5(line 67) the Hoare annotation is: true [2022-01-10 08:31:53,390 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 83) no Hoare annotation was computed. [2022-01-10 08:31:53,390 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 08:31:53,390 INFO L858 garLoopResultBuilder]: For program point L67-6(line 67) no Hoare annotation was computed. [2022-01-10 08:31:53,390 INFO L858 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L63-1(lines 63 84) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L67-3(line 67) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L63-2(lines 63 84) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L68-2(line 68) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L861 garLoopResultBuilder]: At program point L70-8(line 70) the Hoare annotation is: true [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L70-9(line 70) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-01-10 08:31:53,391 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2022-01-10 08:31:53,392 INFO L858 garLoopResultBuilder]: For program point L70-2(line 70) no Hoare annotation was computed. [2022-01-10 08:31:53,392 INFO L858 garLoopResultBuilder]: For program point L70-6(line 70) no Hoare annotation was computed. [2022-01-10 08:31:53,392 INFO L858 garLoopResultBuilder]: For program point L71-2(line 71) no Hoare annotation was computed. [2022-01-10 08:31:53,392 INFO L858 garLoopResultBuilder]: For program point L70-4(line 70) no Hoare annotation was computed. [2022-01-10 08:31:53,392 INFO L858 garLoopResultBuilder]: For program point L71-4(lines 65 83) no Hoare annotation was computed. [2022-01-10 08:31:53,392 INFO L858 garLoopResultBuilder]: For program point L73(lines 73 75) no Hoare annotation was computed. [2022-01-10 08:31:53,393 INFO L854 garLoopResultBuilder]: At program point L42(line 42) the Hoare annotation is: (< (+ |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| 4294967295) (let ((.cse2 (* (- 1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~start~0#1Int|))) (let ((.cse3 (div (+ .cse2 4294967296) 4294967296))) (let ((.cse0 (* .cse3 (- 4294967296)))) (let ((.cse1 (div (+ .cse0 |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| .cse2 4294967297) 4294967296))) (+ (* 4294967296 (div (+ .cse0 (* (- 4294967296) .cse1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| .cse2 4294967297) 2147483648)) (* .cse3 4294967296) (* 4294967296 .cse1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~start~0#1Int|)))))) [2022-01-10 08:31:53,395 INFO L858 garLoopResultBuilder]: For program point L15(lines 15 17) no Hoare annotation was computed. [2022-01-10 08:31:53,395 INFO L858 garLoopResultBuilder]: For program point L16(line 16) no Hoare annotation was computed. [2022-01-10 08:31:53,396 INFO L854 garLoopResultBuilder]: At program point L15-2(lines 14 19) the Hoare annotation is: (and (not (<= (let ((.cse2 (* (- 1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~start~0#1Int|))) (let ((.cse3 (div (+ .cse2 4294967296) 4294967296))) (let ((.cse0 (* .cse3 (- 4294967296)))) (let ((.cse1 (div (+ .cse0 |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| .cse2 4294967297) 4294967296))) (+ (* 4294967296 (div (+ .cse0 (* (- 4294967296) .cse1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| .cse2 4294967297) 2147483648)) (* .cse3 4294967296) (* 4294967296 .cse1) |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~start~0#1Int|))))) (+ |ULTIMATE.start_ULTIMATE.start_parse_expression_list_~j~0#1Int| 4294967295))) (<= 1 |ULTIMATE.start_ULTIMATE.start___VERIFIER_assert_~cond#1Int|)) [2022-01-10 08:31:53,396 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 16) no Hoare annotation was computed. [2022-01-10 08:31:53,396 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 81) no Hoare annotation was computed. [2022-01-10 08:31:53,399 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-10 08:31:53,400 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 08:31:53,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 08:31:53 BasicIcfg [2022-01-10 08:31:53,461 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 08:31:53,462 INFO L158 Benchmark]: Toolchain (without parser) took 2069.89ms. Allocated memory was 187.7MB in the beginning and 245.4MB in the end (delta: 57.7MB). Free memory was 138.2MB in the beginning and 170.8MB in the end (delta: -32.6MB). Peak memory consumption was 24.7MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,463 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory was 154.7MB in the beginning and 154.6MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 08:31:53,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.49ms. Allocated memory is still 187.7MB. Free memory was 138.1MB in the beginning and 162.5MB in the end (delta: -24.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.36ms. Allocated memory is still 187.7MB. Free memory was 161.9MB in the beginning and 160.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,464 INFO L158 Benchmark]: Boogie Preprocessor took 30.91ms. Allocated memory is still 187.7MB. Free memory was 160.4MB in the beginning and 158.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,466 INFO L158 Benchmark]: RCFGBuilder took 417.50ms. Allocated memory is still 187.7MB. Free memory was 158.8MB in the beginning and 144.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,466 INFO L158 Benchmark]: IcfgTransformer took 104.80ms. Allocated memory is still 187.7MB. Free memory was 144.1MB in the beginning and 131.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,466 INFO L158 Benchmark]: TraceAbstraction took 1213.85ms. Allocated memory was 187.7MB in the beginning and 245.4MB in the end (delta: 57.7MB). Free memory was 131.0MB in the beginning and 170.8MB in the end (delta: -39.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-01-10 08:31:53,468 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 187.7MB. Free memory was 154.7MB in the beginning and 154.6MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 255.49ms. Allocated memory is still 187.7MB. Free memory was 138.1MB in the beginning and 162.5MB in the end (delta: -24.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.36ms. Allocated memory is still 187.7MB. Free memory was 161.9MB in the beginning and 160.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.91ms. Allocated memory is still 187.7MB. Free memory was 160.4MB in the beginning and 158.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 417.50ms. Allocated memory is still 187.7MB. Free memory was 158.8MB in the beginning and 144.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * IcfgTransformer took 104.80ms. Allocated memory is still 187.7MB. Free memory was 144.1MB in the beginning and 131.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1213.85ms. Allocated memory was 187.7MB in the beginning and 245.4MB in the end (delta: 57.7MB). Free memory was 131.0MB in the beginning and 170.8MB in the end (delta: -39.8MB). Peak memory consumption was 18.9MB. 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: 16]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 343 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 154 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 189 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 20 NumberOfFragments, 231 HoareAnnotationTreeSize, 8 FomulaSimplifications, 79 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 92 NumberOfCodeBlocks, 92 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) || !~bvsle32(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32]), 73786976290543239168bv66)), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32]), 73786976290543239168bv66)), ~zero_extendFrom32To67(j)), ~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start)))), 4294967297bv67)[66:32]), 1180591620713116336128bv70))), ~zero_extendFrom32To71(j)), ~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start)))), 4294967297bv71)[70:31]), 4294967296bv72)), ~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32] ++ 0bv32)), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32]), 73786976290543239168bv66)), ~zero_extendFrom32To67(j)), ~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start)))), 4294967297bv67)[66:32]), 4294967296bv67))), ~zero_extendFrom32To73(start)), ~zero_extendFrom33To73(~bvadd16(~zero_extendFrom32To33(j), 4294967295bv33))) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: NULL - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ~bvule32(1bv32, cond) && !~bvsle32(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32]), 73786976290543239168bv66)), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32]), 73786976290543239168bv66)), ~zero_extendFrom32To67(j)), ~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start)))), 4294967297bv67)[66:32]), 1180591620713116336128bv70))), ~zero_extendFrom32To71(j)), ~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start)))), 4294967297bv71)[70:31]), 4294967296bv72)), ~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32] ++ 0bv32)), ~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~bvadd16(~bvadd16(~sign_extendFrom8To32(~bvmul64(~sign_extendFrom8To32(~bvadd16(~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start))), 4294967296bv65)[64:32]), 73786976290543239168bv66)), ~zero_extendFrom32To67(j)), ~sign_extendFrom8To32(~bvmul64(18446744073709551615bv64, ~zero_extendFrom32To64(start)))), 4294967297bv67)[66:32]), 4294967296bv67))), ~zero_extendFrom32To73(start)), ~zero_extendFrom33To73(~bvadd16(~zero_extendFrom32To33(j), 4294967295bv33))) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-01-10 08:31:53,515 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...