/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_LAZY.epf -i ../../../trunk/examples/svcomp/array-fpi/s32iff.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:48:32,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:48:32,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:48:32,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 15:48:32,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 15:48:32,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 15:48:32,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 15:48:32,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 15:48:32,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 15:48:32,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 15:48:32,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 15:48:32,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 15:48:33,012 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:48:33,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:48:33,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:48:33,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:48:33,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:48:33,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:48:33,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:48:33,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:48:33,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:48:33,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:48:33,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:48:33,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:48:33,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 15:48:33,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 15:48:33,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 15:48:33,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 15:48:33,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 15:48:33,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 15:48:33,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:48:33,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:48:33,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:48:33,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:48:33,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:48:33,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:48:33,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:48:33,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:48:33,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:48:33,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:48:33,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:48:33,049 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:48:33,072 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:48:33,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:48:33,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:48:33,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:48:33,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:48:33,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:48:33,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:48:33,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:48:33,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:48:33,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:48:33,075 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:48:33,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:48:33,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:48:33,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:48:33,076 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:48:33,076 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:48:33,076 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:48:33,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:48:33,259 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:48:33,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:48:33,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:48:33,267 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:48:33,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-fpi/s32iff.c [2022-01-10 15:48:33,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd80e187/969fee5f15fe4e30a71f1c3e2032c51e/FLAGc987e47e9 [2022-01-10 15:48:33,715 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:48:33,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s32iff.c [2022-01-10 15:48:33,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd80e187/969fee5f15fe4e30a71f1c3e2032c51e/FLAGc987e47e9 [2022-01-10 15:48:33,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcd80e187/969fee5f15fe4e30a71f1c3e2032c51e [2022-01-10 15:48:33,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:48:33,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:48:33,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:48:33,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:48:33,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:48:33,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:33,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2606d532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33, skipping insertion in model container [2022-01-10 15:48:33,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:33,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:48:33,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:48:33,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s32iff.c[589,602] [2022-01-10 15:48:33,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:48:33,923 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:48:33,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-fpi/s32iff.c[589,602] [2022-01-10 15:48:33,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:48:33,966 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:48:33,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33 WrapperNode [2022-01-10 15:48:33,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:48:33,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:48:33,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:48:33,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:48:33,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:33,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,004 INFO L137 Inliner]: procedures = 21, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2022-01-10 15:48:34,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:48:34,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:48:34,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:48:34,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:48:34,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:48:34,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:48:34,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:48:34,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:48:34,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (1/1) ... [2022-01-10 15:48:34,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:48:34,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:48:34,062 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 15:48:34,084 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 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:48:34,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:48:34,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-01-10 15:48:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-10 15:48:34,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-01-10 15:48:34,157 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:48:34,159 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:48:34,373 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:48:34,377 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:48:34,377 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-01-10 15:48:34,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:48:34 BoogieIcfgContainer [2022-01-10 15:48:34,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:48:34,379 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:48:34,379 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:48:34,382 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:48:34,384 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:48:34" (1/1) ... [2022-01-10 15:48:34,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:48:34 BasicIcfg [2022-01-10 15:48:34,481 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:48:34,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:48:34,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:48:34,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:48:34,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:48:33" (1/4) ... [2022-01-10 15:48:34,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f6adfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:48:34, skipping insertion in model container [2022-01-10 15:48:34,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:48:33" (2/4) ... [2022-01-10 15:48:34,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f6adfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:48:34, skipping insertion in model container [2022-01-10 15:48:34,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:48:34" (3/4) ... [2022-01-10 15:48:34,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f6adfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:48:34, skipping insertion in model container [2022-01-10 15:48:34,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:48:34" (4/4) ... [2022-01-10 15:48:34,485 INFO L111 eAbstractionObserver]: Analyzing ICFG s32iff.cTransformedIcfg [2022-01-10 15:48:34,489 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:48:34,489 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:48:34,531 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:48:34,535 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 15:48:34,535 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:48:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 15:48:34,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 15:48:34,548 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:48:34,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:48:34,549 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:48:34,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:48:34,552 INFO L85 PathProgramCache]: Analyzing trace with hash -100191935, now seen corresponding path program 1 times [2022-01-10 15:48:34,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:48:34,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900951373] [2022-01-10 15:48:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:48:34,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:48:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:48:34,718 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 15:48:34,718 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:48:34,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900951373] [2022-01-10 15:48:34,719 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900951373] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:48:34,720 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:48:34,720 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 15:48:34,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818946961] [2022-01-10 15:48:34,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:48:34,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-10 15:48:34,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:48:34,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-10 15:48:34,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-10 15:48:34,748 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 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 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 15:48:34,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:48:34,761 INFO L93 Difference]: Finished difference Result 42 states and 60 transitions. [2022-01-10 15:48:34,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-10 15:48:34,763 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-01-10 15:48:34,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:48:34,771 INFO L225 Difference]: With dead ends: 42 [2022-01-10 15:48:34,771 INFO L226 Difference]: Without dead ends: 19 [2022-01-10 15:48:34,773 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 15:48:34,777 INFO L933 BasicCegarLoop]: 28 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, 28 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 15:48:34,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:48:34,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-01-10 15:48:34,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-01-10 15:48:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:48:34,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2022-01-10 15:48:34,803 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 23 transitions. Word has length 13 [2022-01-10 15:48:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:48:34,804 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-01-10 15:48:34,804 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 15:48:34,805 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-01-10 15:48:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-01-10 15:48:34,806 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:48:34,806 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:48:34,806 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:48:34,806 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:48:34,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:48:34,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1474763837, now seen corresponding path program 1 times [2022-01-10 15:48:34,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:48:34,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885745005] [2022-01-10 15:48:34,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:48:34,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:48:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:48:34,990 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 15:48:34,991 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:48:34,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885745005] [2022-01-10 15:48:34,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885745005] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:48:34,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:48:34,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 15:48:34,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570604726] [2022-01-10 15:48:34,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:48:34,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 15:48:34,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:48:34,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 15:48:34,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:48:34,995 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 15:48:37,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-01-10 15:48:39,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-01-10 15:48:39,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:48:39,235 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2022-01-10 15:48:39,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 15:48:39,312 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-01-10 15:48:39,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:48:39,314 INFO L225 Difference]: With dead ends: 46 [2022-01-10 15:48:39,314 INFO L226 Difference]: Without dead ends: 34 [2022-01-10 15:48:39,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 15:48:39,316 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 30 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-01-10 15:48:39,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 20 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 32 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2022-01-10 15:48:39,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-01-10 15:48:39,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 22. [2022-01-10 15:48:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 21 states have internal predecessors, (26), 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 15:48:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2022-01-10 15:48:39,321 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 13 [2022-01-10 15:48:39,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:48:39,321 INFO L470 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2022-01-10 15:48:39,321 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 15:48:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-01-10 15:48:39,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-01-10 15:48:39,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:48:39,321 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] [2022-01-10 15:48:39,322 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:48:39,322 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:48:39,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:48:39,322 INFO L85 PathProgramCache]: Analyzing trace with hash 2135952032, now seen corresponding path program 1 times [2022-01-10 15:48:39,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:48:39,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931424543] [2022-01-10 15:48:39,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:48:39,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:48:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 15:48:39,378 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-10 15:48:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-10 15:48:39,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-10 15:48:39,448 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-10 15:48:39,449 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:48:39,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:48:39,452 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-01-10 15:48:39,454 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:48:39,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:48:39 BasicIcfg [2022-01-10 15:48:39,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:48:39,506 INFO L158 Benchmark]: Toolchain (without parser) took 5774.40ms. Allocated memory is still 212.9MB. Free memory was 163.4MB in the beginning and 94.6MB in the end (delta: 68.7MB). Peak memory consumption was 68.3MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,506 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 212.9MB. Free memory was 179.9MB in the beginning and 179.8MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:48:39,508 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.05ms. Allocated memory is still 212.9MB. Free memory was 163.1MB in the beginning and 187.4MB in the end (delta: -24.2MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.99ms. Allocated memory is still 212.9MB. Free memory was 187.4MB in the beginning and 185.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,513 INFO L158 Benchmark]: Boogie Preprocessor took 31.58ms. Allocated memory is still 212.9MB. Free memory was 185.8MB in the beginning and 184.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,513 INFO L158 Benchmark]: RCFGBuilder took 340.99ms. Allocated memory is still 212.9MB. Free memory was 184.3MB in the beginning and 170.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,513 INFO L158 Benchmark]: IcfgTransformer took 101.85ms. Allocated memory is still 212.9MB. Free memory was 170.6MB in the beginning and 162.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,516 INFO L158 Benchmark]: TraceAbstraction took 5023.68ms. Allocated memory is still 212.9MB. Free memory was 161.7MB in the beginning and 94.6MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. [2022-01-10 15:48:39,518 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 212.9MB. Free memory was 179.9MB in the beginning and 179.8MB in the end (delta: 74.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.05ms. Allocated memory is still 212.9MB. Free memory was 163.1MB in the beginning and 187.4MB in the end (delta: -24.2MB). Peak memory consumption was 10.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.99ms. Allocated memory is still 212.9MB. Free memory was 187.4MB in the beginning and 185.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.58ms. Allocated memory is still 212.9MB. Free memory was 185.8MB in the beginning and 184.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 340.99ms. Allocated memory is still 212.9MB. Free memory was 184.3MB in the beginning and 170.6MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * IcfgTransformer took 101.85ms. Allocated memory is still 212.9MB. Free memory was 170.6MB in the beginning and 162.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * TraceAbstraction took 5023.68ms. Allocated memory is still 212.9MB. Free memory was 161.7MB in the beginning and 94.6MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [a={-5:0}, i=0, N=1, sum={-3:0}] [L32] COND TRUE i