/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 15:11:15,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 15:11:15,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 15:11:15,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 15:11:15,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 15:11:15,944 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 15:11:15,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 15:11:15,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 15:11:15,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 15:11:15,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 15:11:15,959 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 15:11:15,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 15:11:15,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 15:11:15,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 15:11:15,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 15:11:15,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 15:11:15,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 15:11:15,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 15:11:15,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 15:11:15,964 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 15:11:15,965 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 15:11:15,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 15:11:15,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 15:11:15,973 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 15:11:15,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 15:11:15,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 15:11:15,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-17 15:11:15,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-17 15:11:15,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-17 15:11:15,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-17 15:11:15,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-17 15:11:15,988 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-17 15:11:15,988 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-17 15:11:15,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-17 15:11:15,989 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 15:11:15,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 15:11:15,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 15:11:15,992 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-17 15:11:16,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 15:11:16,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 15:11:16,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 15:11:16,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-17 15:11:16,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 15:11:16,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-17 15:11:16,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 15:11:16,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 15:11:16,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 15:11:16,006 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-17 15:11:16,006 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 15:11:16,007 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 15:11:16,007 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 15:11:16,007 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 15:11:16,007 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 15:11:16,007 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 15:11:16,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 15:11:16,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 15:11:16,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 15:11:16,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 15:11:16,196 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 15:11:16,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-17 15:11:16,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1549d9d3f/09359e0e70a944b394bb1ab4a1230772/FLAGb97b2c7e5 [2022-03-17 15:11:16,611 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 15:11:16,612 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-17 15:11:16,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1549d9d3f/09359e0e70a944b394bb1ab4a1230772/FLAGb97b2c7e5 [2022-03-17 15:11:16,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1549d9d3f/09359e0e70a944b394bb1ab4a1230772 [2022-03-17 15:11:16,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 15:11:16,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 15:11:16,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 15:11:16,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 15:11:16,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 15:11:16,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328e1dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16, skipping insertion in model container [2022-03-17 15:11:16,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 15:11:16,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 15:11:16,848 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-03-17 15:11:16,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 15:11:16,857 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 15:11:16,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c[11314,11327] [2022-03-17 15:11:16,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 15:11:16,906 INFO L208 MainTranslator]: Completed translation [2022-03-17 15:11:16,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16 WrapperNode [2022-03-17 15:11:16,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 15:11:16,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 15:11:16,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 15:11:16,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 15:11:16,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 15:11:16,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 15:11:16,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 15:11:16,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 15:11:16,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (1/1) ... [2022-03-17 15:11:16,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 15:11:17,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 15:11:17,013 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) [2022-03-17 15:11:17,019 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 [2022-03-17 15:11:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-17 15:11:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-17 15:11:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-17 15:11:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-17 15:11:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 15:11:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-17 15:11:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 15:11:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-17 15:11:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 15:11:17,157 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 15:11:17,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 15:11:17,628 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 15:11:17,635 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 15:11:17,636 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-17 15:11:17,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 03:11:17 BoogieIcfgContainer [2022-03-17 15:11:17,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 15:11:17,639 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 15:11:17,639 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 15:11:17,640 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 15:11:17,642 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 03:11:17" (1/1) ... [2022-03-17 15:11:17,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 03:11:17 BasicIcfg [2022-03-17 15:11:17,684 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 15:11:17,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 15:11:17,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 15:11:17,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 15:11:17,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:11:16" (1/4) ... [2022-03-17 15:11:17,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639c6422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:11:17, skipping insertion in model container [2022-03-17 15:11:17,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:11:16" (2/4) ... [2022-03-17 15:11:17,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639c6422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:11:17, skipping insertion in model container [2022-03-17 15:11:17,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 03:11:17" (3/4) ... [2022-03-17 15:11:17,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@639c6422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:11:17, skipping insertion in model container [2022-03-17 15:11:17,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 03:11:17" (4/4) ... [2022-03-17 15:11:17,700 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.cJordan [2022-03-17 15:11:17,704 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-17 15:11:17,705 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 15:11:17,743 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 15:11:17,756 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-03-17 15:11:17,757 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 15:11:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-03-17 15:11:17,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-17 15:11:17,787 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 15:11:17,788 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1] [2022-03-17 15:11:17,788 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 15:11:17,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 15:11:17,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1746528498, now seen corresponding path program 1 times [2022-03-17 15:11:17,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 15:11:17,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033135335] [2022-03-17 15:11:17,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 15:11:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 15:11:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 15:11:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 15:11:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-17 15:11:18,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-03-17 15:11:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-17 15:11:18,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 15:11:18,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033135335] [2022-03-17 15:11:18,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033135335] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 15:11:18,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 15:11:18,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 15:11:18,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214012995] [2022-03-17 15:11:18,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 15:11:18,169 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 15:11:18,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 15:11:18,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 15:11:18,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 15:11:18,198 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-17 15:11:18,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 15:11:18,588 INFO L93 Difference]: Finished difference Result 131 states and 179 transitions. [2022-03-17 15:11:18,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 15:11:18,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2022-03-17 15:11:18,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 15:11:18,598 INFO L225 Difference]: With dead ends: 131 [2022-03-17 15:11:18,599 INFO L226 Difference]: Without dead ends: 120 [2022-03-17 15:11:18,600 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-17 15:11:18,623 INFO L912 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-17 15:11:18,624 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-17 15:11:18,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-03-17 15:11:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-03-17 15:11:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-03-17 15:11:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-03-17 15:11:18,656 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-03-17 15:11:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 15:11:18,656 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-03-17 15:11:18,656 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-17 15:11:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-03-17 15:11:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-17 15:11:18,659 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 15:11:18,659 INFO L500 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, 1, 1, 1, 1, 1] [2022-03-17 15:11:18,659 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 15:11:18,659 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 15:11:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 15:11:18,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1478723201, now seen corresponding path program 1 times [2022-03-17 15:11:18,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 15:11:18,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325315465] [2022-03-17 15:11:18,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 15:11:18,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 15:11:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 15:11:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 15:11:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-03-17 15:11:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-03-17 15:11:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 15:11:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 15:11:18,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 15:11:18,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325315465] [2022-03-17 15:11:18,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325315465] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 15:11:18,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 15:11:18,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-17 15:11:18,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62830827] [2022-03-17 15:11:18,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 15:11:18,861 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 15:11:18,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 15:11:18,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 15:11:18,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-17 15:11:18,862 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-17 15:11:19,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 15:11:19,563 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-03-17 15:11:19,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 15:11:19,563 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-03-17 15:11:19,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 15:11:19,564 INFO L225 Difference]: With dead ends: 118 [2022-03-17 15:11:19,564 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 15:11:19,564 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-17 15:11:19,565 INFO L912 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-17 15:11:19,565 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-17 15:11:19,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 15:11:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 15:11:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-17 15:11:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 15:11:19,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-03-17 15:11:19,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 15:11:19,566 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 15:11:19,567 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-17 15:11:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 15:11:19,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 15:11:19,569 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 15:11:19,569 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 15:11:19,571 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-17 15:11:19,572 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 15:11:19,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:11:19 BasicIcfg [2022-03-17 15:11:19,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 15:11:19,575 INFO L158 Benchmark]: Toolchain (without parser) took 2945.64ms. Allocated memory was 198.2MB in the beginning and 253.8MB in the end (delta: 55.6MB). Free memory was 148.1MB in the beginning and 135.1MB in the end (delta: 13.0MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. [2022-03-17 15:11:19,576 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 165.8MB in the beginning and 165.7MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 15:11:19,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.47ms. Allocated memory is still 198.2MB. Free memory was 148.0MB in the beginning and 167.3MB in the end (delta: -19.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-03-17 15:11:19,576 INFO L158 Benchmark]: Boogie Preprocessor took 66.57ms. Allocated memory is still 198.2MB. Free memory was 167.3MB in the beginning and 164.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 15:11:19,577 INFO L158 Benchmark]: RCFGBuilder took 663.04ms. Allocated memory is still 198.2MB. Free memory was 164.2MB in the beginning and 133.2MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-17 15:11:19,577 INFO L158 Benchmark]: IcfgTransformer took 45.45ms. Allocated memory is still 198.2MB. Free memory was 133.2MB in the beginning and 130.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 15:11:19,577 INFO L158 Benchmark]: TraceAbstraction took 1887.73ms. Allocated memory was 198.2MB in the beginning and 253.8MB in the end (delta: 55.6MB). Free memory was 129.6MB in the beginning and 135.1MB in the end (delta: -5.6MB). Peak memory consumption was 51.1MB. Max. memory is 8.0GB. [2022-03-17 15:11:19,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 198.2MB. Free memory was 165.8MB in the beginning and 165.7MB in the end (delta: 151.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 276.47ms. Allocated memory is still 198.2MB. Free memory was 148.0MB in the beginning and 167.3MB in the end (delta: -19.3MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.57ms. Allocated memory is still 198.2MB. Free memory was 167.3MB in the beginning and 164.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 663.04ms. Allocated memory is still 198.2MB. Free memory was 164.2MB in the beginning and 133.2MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * IcfgTransformer took 45.45ms. Allocated memory is still 198.2MB. Free memory was 133.2MB in the beginning and 130.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1887.73ms. Allocated memory was 198.2MB in the beginning and 253.8MB in the end (delta: 55.6MB). Free memory was 129.6MB in the beginning and 135.1MB in the end (delta: -5.6MB). Peak memory consumption was 51.1MB. 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 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 252 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-17 15:11:19,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...