java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 19:22:01,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 19:22:01,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 19:22:01,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 19:22:01,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 19:22:01,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 19:22:01,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 19:22:01,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 19:22:01,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 19:22:01,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 19:22:01,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 19:22:01,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 19:22:01,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 19:22:01,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 19:22:01,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 19:22:01,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 19:22:01,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 19:22:01,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 19:22:01,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 19:22:01,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 19:22:01,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 19:22:01,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 19:22:01,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 19:22:01,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 19:22:01,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 19:22:01,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 19:22:01,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 19:22:01,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 19:22:01,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-03 19:22:01,706 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 19:22:01,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 19:22:01,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-03 19:22:01,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-03 19:22:01,708 INFO L138 SettingsManager]: * Use SBE=true [2019-09-03 19:22:01,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 19:22:01,709 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 19:22:01,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-03 19:22:01,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 19:22:01,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 19:22:01,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 19:22:01,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 19:22:01,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 19:22:01,712 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 19:22:01,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 19:22:01,712 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-03 19:22:01,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 19:22:01,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 19:22:01,713 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 19:22:01,713 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-03 19:22:01,713 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-03 19:22:01,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 19:22:01,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 19:22:01,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 19:22:01,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-03 19:22:01,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-03 19:22:01,715 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 19:22:01,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 19:22:01,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-03 19:22:01,755 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 19:22:01,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 19:22:01,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 19:22:01,776 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 19:22:01,776 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 19:22:01,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-03 19:22:01,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98b48b84/aa868723a4054c8f88209f64da691f20/FLAG3cf92b117 [2019-09-03 19:22:02,354 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 19:22:02,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-03 19:22:02,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98b48b84/aa868723a4054c8f88209f64da691f20/FLAG3cf92b117 [2019-09-03 19:22:02,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a98b48b84/aa868723a4054c8f88209f64da691f20 [2019-09-03 19:22:02,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 19:22:02,782 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 19:22:02,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 19:22:02,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 19:22:02,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 19:22:02,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:22:02" (1/1) ... [2019-09-03 19:22:02,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129c88ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:02, skipping insertion in model container [2019-09-03 19:22:02,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 07:22:02" (1/1) ... [2019-09-03 19:22:02,797 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 19:22:02,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 19:22:03,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:22:03,040 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 19:22:03,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 19:22:03,201 INFO L192 MainTranslator]: Completed translation [2019-09-03 19:22:03,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03 WrapperNode [2019-09-03 19:22:03,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 19:22:03,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 19:22:03,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 19:22:03,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 19:22:03,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... [2019-09-03 19:22:03,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 19:22:03,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 19:22:03,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 19:22:03,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 19:22:03,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 19:22:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 19:22:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 19:22:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 19:22:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure r_strncpy [2019-09-03 19:22:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_expression_list [2019-09-03 19:22:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 19:22:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 19:22:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-03 19:22:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 19:22:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure strchr [2019-09-03 19:22:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-09-03 19:22:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2019-09-03 19:22:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2019-09-03 19:22:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy_ptr [2019-09-03 19:22:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-03 19:22:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure isascii [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure isspace [2019-09-03 19:22:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2019-09-03 19:22:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure strrand [2019-09-03 19:22:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure istrrand [2019-09-03 19:22:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure istrchr [2019-09-03 19:22:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure istrrchr [2019-09-03 19:22:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure istrncmp [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure istrstr [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncpy [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcpy [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure r_strcat [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure r_strncat [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure r_memcpy [2019-09-03 19:22:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure parse_expression_list [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 19:22:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 19:22:03,755 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 19:22:03,756 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-03 19:22:03,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:22:03 BoogieIcfgContainer [2019-09-03 19:22:03,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 19:22:03,758 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-03 19:22:03,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-03 19:22:03,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-03 19:22:03,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.09 07:22:02" (1/3) ... [2019-09-03 19:22:03,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e43295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:22:03, skipping insertion in model container [2019-09-03 19:22:03,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 07:22:03" (2/3) ... [2019-09-03 19:22:03,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62e43295 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.09 07:22:03, skipping insertion in model container [2019-09-03 19:22:03,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 07:22:03" (3/3) ... [2019-09-03 19:22:03,765 INFO L109 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2019-09-03 19:22:03,774 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-03 19:22:03,782 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-03 19:22:03,798 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-03 19:22:03,829 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-03 19:22:03,830 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-03 19:22:03,830 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-03 19:22:03,831 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-03 19:22:03,831 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-03 19:22:03,831 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-03 19:22:03,831 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-03 19:22:03,831 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-03 19:22:03,832 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-03 19:22:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2019-09-03 19:22:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-09-03 19:22:03,856 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:22:03,857 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:22:03,859 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:22:03,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:22:03,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1663477819, now seen corresponding path program 1 times [2019-09-03 19:22:03,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:22:03,868 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:22:03,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:22:03,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:22:03,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:22:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:22:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-03 19:22:04,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 19:22:04,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-03 19:22:04,037 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-03 19:22:04,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-03 19:22:04,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-03 19:22:04,054 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 3 states. [2019-09-03 19:22:04,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:22:04,098 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2019-09-03 19:22:04,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-03 19:22:04,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2019-09-03 19:22:04,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:22:04,108 INFO L225 Difference]: With dead ends: 104 [2019-09-03 19:22:04,108 INFO L226 Difference]: Without dead ends: 49 [2019-09-03 19:22:04,112 INFO L628 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 [2019-09-03 19:22:04,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-09-03 19:22:04,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2019-09-03 19:22:04,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2019-09-03 19:22:04,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2019-09-03 19:22:04,149 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 32 [2019-09-03 19:22:04,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:22:04,149 INFO L475 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2019-09-03 19:22:04,149 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-03 19:22:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2019-09-03 19:22:04,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-03 19:22:04,151 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:22:04,151 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:22:04,152 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:22:04,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:22:04,152 INFO L82 PathProgramCache]: Analyzing trace with hash 227833136, now seen corresponding path program 1 times [2019-09-03 19:22:04,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:22:04,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:22:04,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:22:04,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:22:04,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:22:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:22:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-03 19:22:04,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 19:22:04,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-03 19:22:04,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-03 19:22:04,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-03 19:22:04,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-03 19:22:04,233 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 3 states. [2019-09-03 19:22:04,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:22:04,265 INFO L93 Difference]: Finished difference Result 84 states and 104 transitions. [2019-09-03 19:22:04,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-03 19:22:04,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2019-09-03 19:22:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:22:04,268 INFO L225 Difference]: With dead ends: 84 [2019-09-03 19:22:04,268 INFO L226 Difference]: Without dead ends: 49 [2019-09-03 19:22:04,271 INFO L628 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 [2019-09-03 19:22:04,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-09-03 19:22:04,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2019-09-03 19:22:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2019-09-03 19:22:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2019-09-03 19:22:04,288 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 38 [2019-09-03 19:22:04,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:22:04,291 INFO L475 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2019-09-03 19:22:04,291 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-03 19:22:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2019-09-03 19:22:04,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-09-03 19:22:04,292 INFO L391 BasicCegarLoop]: Found error trace [2019-09-03 19:22:04,293 INFO L399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-03 19:22:04,294 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-03 19:22:04,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-03 19:22:04,295 INFO L82 PathProgramCache]: Analyzing trace with hash 446687854, now seen corresponding path program 1 times [2019-09-03 19:22:04,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-03 19:22:04,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-03 19:22:04,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:22:04,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-03 19:22:04,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-03 19:22:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-03 19:22:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-03 19:22:04,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-03 19:22:04,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-03 19:22:04,430 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-03 19:22:04,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-03 19:22:04,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-03 19:22:04,431 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand 5 states. [2019-09-03 19:22:04,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-03 19:22:04,531 INFO L93 Difference]: Finished difference Result 61 states and 75 transitions. [2019-09-03 19:22:04,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-03 19:22:04,532 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 38 [2019-09-03 19:22:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-03 19:22:04,533 INFO L225 Difference]: With dead ends: 61 [2019-09-03 19:22:04,533 INFO L226 Difference]: Without dead ends: 0 [2019-09-03 19:22:04,534 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-03 19:22:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-03 19:22:04,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-03 19:22:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-03 19:22:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-03 19:22:04,535 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2019-09-03 19:22:04,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-03 19:22:04,536 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-03 19:22:04,536 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-03 19:22:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-03 19:22:04,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-03 19:22:04,542 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-03 19:22:04,589 INFO L443 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2019-09-03 19:22:04,589 INFO L443 ceAbstractionStarter]: For program point L60-2(line 60) no Hoare annotation was computed. [2019-09-03 19:22:04,589 INFO L443 ceAbstractionStarter]: For program point L60-4(lines 54 72) no Hoare annotation was computed. [2019-09-03 19:22:04,590 INFO L443 ceAbstractionStarter]: For program point L56-1(line 56) no Hoare annotation was computed. [2019-09-03 19:22:04,590 INFO L443 ceAbstractionStarter]: For program point L56-3(line 56) no Hoare annotation was computed. [2019-09-03 19:22:04,590 INFO L446 ceAbstractionStarter]: At program point L56-5(line 56) the Hoare annotation is: true [2019-09-03 19:22:04,590 INFO L443 ceAbstractionStarter]: For program point L52-1(lines 52 73) no Hoare annotation was computed. [2019-09-03 19:22:04,590 INFO L443 ceAbstractionStarter]: For program point L56-6(line 56) no Hoare annotation was computed. [2019-09-03 19:22:04,591 INFO L443 ceAbstractionStarter]: For program point L52-2(lines 52 73) no Hoare annotation was computed. [2019-09-03 19:22:04,591 INFO L446 ceAbstractionStarter]: At program point L52-4(lines 52 73) the Hoare annotation is: true [2019-09-03 19:22:04,591 INFO L443 ceAbstractionStarter]: For program point L52-5(lines 52 73) no Hoare annotation was computed. [2019-09-03 19:22:04,591 INFO L439 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-09-03 19:22:04,592 INFO L443 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2019-09-03 19:22:04,593 INFO L443 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2019-09-03 19:22:04,593 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-09-03 19:22:04,593 INFO L443 ceAbstractionStarter]: For program point L57-2(line 57) no Hoare annotation was computed. [2019-09-03 19:22:04,593 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (< parse_expression_list_~j~0 (+ parse_expression_list_~start~0 1)) [2019-09-03 19:22:04,593 INFO L443 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2019-09-03 19:22:04,593 INFO L443 ceAbstractionStarter]: For program point parse_expression_listFINAL(lines 47 75) no Hoare annotation was computed. [2019-09-03 19:22:04,594 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 64) no Hoare annotation was computed. [2019-09-03 19:22:04,594 INFO L446 ceAbstractionStarter]: At program point parse_expression_listENTRY(lines 47 75) the Hoare annotation is: true [2019-09-03 19:22:04,594 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 72) no Hoare annotation was computed. [2019-09-03 19:22:04,594 INFO L443 ceAbstractionStarter]: For program point parse_expression_listEXIT(lines 47 75) no Hoare annotation was computed. [2019-09-03 19:22:04,594 INFO L443 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2019-09-03 19:22:04,594 INFO L443 ceAbstractionStarter]: For program point L59-2(line 59) no Hoare annotation was computed. [2019-09-03 19:22:04,595 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-09-03 19:22:04,595 INFO L443 ceAbstractionStarter]: For program point L59-4(line 59) no Hoare annotation was computed. [2019-09-03 19:22:04,595 INFO L443 ceAbstractionStarter]: For program point L59-6(line 59) no Hoare annotation was computed. [2019-09-03 19:22:04,595 INFO L443 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-09-03 19:22:04,595 INFO L446 ceAbstractionStarter]: At program point L59-8(line 59) the Hoare annotation is: true [2019-09-03 19:22:04,597 INFO L443 ceAbstractionStarter]: For program point L59-9(line 59) no Hoare annotation was computed. [2019-09-03 19:22:04,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-03 19:22:04,598 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-09-03 19:22:04,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-03 19:22:04,598 INFO L443 ceAbstractionStarter]: For program point r_strncpyFINAL(line 31) no Hoare annotation was computed. [2019-09-03 19:22:04,598 INFO L443 ceAbstractionStarter]: For program point r_strncpyEXIT(line 31) no Hoare annotation was computed. [2019-09-03 19:22:04,598 INFO L446 ceAbstractionStarter]: At program point r_strncpyENTRY(line 31) the Hoare annotation is: true [2019-09-03 19:22:04,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-03 19:22:04,599 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-09-03 19:22:04,599 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-03 19:22:04,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-03 19:22:04,599 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 76 85) the Hoare annotation is: true [2019-09-03 19:22:04,600 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 76 85) no Hoare annotation was computed. [2019-09-03 19:22:04,600 INFO L446 ceAbstractionStarter]: At program point L83(line 83) the Hoare annotation is: true [2019-09-03 19:22:04,600 INFO L443 ceAbstractionStarter]: For program point L83-1(line 83) no Hoare annotation was computed. [2019-09-03 19:22:04,600 INFO L443 ceAbstractionStarter]: For program point L79-2(lines 79 81) no Hoare annotation was computed. [2019-09-03 19:22:04,600 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 76 85) no Hoare annotation was computed. [2019-09-03 19:22:04,601 INFO L446 ceAbstractionStarter]: At program point L79-3(lines 79 81) the Hoare annotation is: true [2019-09-03 19:22:04,601 INFO L443 ceAbstractionStarter]: For program point L79-4(lines 79 81) no Hoare annotation was computed. [2019-09-03 19:22:04,601 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2019-09-03 19:22:04,601 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2019-09-03 19:22:04,601 INFO L443 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-09-03 19:22:04,601 INFO L443 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-09-03 19:22:04,602 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-09-03 19:22:04,602 INFO L443 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2019-09-03 19:22:04,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.09 07:22:04 BoogieIcfgContainer [2019-09-03 19:22:04,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-03 19:22:04,619 INFO L168 Benchmark]: Toolchain (without parser) took 1834.09 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.9 MB in the beginning and 89.6 MB in the end (delta: -2.7 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-09-03 19:22:04,621 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 19:22:04,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.10 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 175.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2019-09-03 19:22:04,625 INFO L168 Benchmark]: Boogie Preprocessor took 50.79 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 172.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-03 19:22:04,626 INFO L168 Benchmark]: RCFGBuilder took 503.29 ms. Allocated memory is still 199.2 MB. Free memory was 172.7 MB in the beginning and 144.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. [2019-09-03 19:22:04,627 INFO L168 Benchmark]: TraceAbstraction took 857.14 ms. Allocated memory is still 199.2 MB. Free memory was 144.1 MB in the beginning and 89.6 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. [2019-09-03 19:22:04,639 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 419.10 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 86.7 MB in the beginning and 175.0 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 50.79 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 172.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 503.29 ms. Allocated memory is still 199.2 MB. Free memory was 172.7 MB in the beginning and 144.7 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 857.14 ms. Allocated memory is still 199.2 MB. Free memory was 144.1 MB in the beginning and 89.6 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 79]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 55 locations, 1 error locations. SAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 168 SDtfs, 20 SDslu, 236 SDs, 0 SdLazy, 50 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 24 PreInvPairs, 33 NumberOfFragments, 22 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 4427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...