/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_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 00:41:01,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 00:41:01,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 00:41:01,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-05 00:41:01,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-05 00:41:01,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-05 00:41:01,955 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-05 00:41:01,957 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-05 00:41:01,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-05 00:41:01,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-05 00:41:01,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-05 00:41:01,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-05 00:41:01,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 00:41:01,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 00:41:01,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 00:41:01,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 00:41:01,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 00:41:01,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 00:41:01,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 00:41:01,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 00:41:01,981 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 00:41:01,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 00:41:01,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 00:41:01,984 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 00:41:01,985 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 00:41:01,991 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 00:41:01,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 00:41:01,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 00:41:02,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 00:41:02,001 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-04-05 00:41:02,011 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 00:41:02,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 00:41:02,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 00:41:02,012 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-05 00:41:02,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 00:41:02,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-05 00:41:02,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 00:41:02,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 00:41:02,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 00:41:02,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 00:41:02,014 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-05 00:41:02,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 00:41:02,014 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 00:41:02,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 00:41:02,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 00:41:02,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 00:41:02,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-04-05 00:41:02,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 00:41:02,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 00:41:02,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 00:41:02,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 00:41:02,017 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 00:41:02,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 00:41:02,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 00:41:02,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 00:41:02,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 00:41:02,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 00:41:02,289 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 00:41:02,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-04-05 00:41:02,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe69d1a4d/3ddbcc7378ab4f5fbb155789b4eed7e0/FLAGa5bcf686b [2022-04-05 00:41:02,720 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 00:41:02,721 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-04-05 00:41:02,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe69d1a4d/3ddbcc7378ab4f5fbb155789b4eed7e0/FLAGa5bcf686b [2022-04-05 00:41:03,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe69d1a4d/3ddbcc7378ab4f5fbb155789b4eed7e0 [2022-04-05 00:41:03,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 00:41:03,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 00:41:03,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 00:41:03,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 00:41:03,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 00:41:03,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5e4f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03, skipping insertion in model container [2022-04-05 00:41:03,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 00:41:03,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 00:41:03,480 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_4.c[11358,11371] [2022-04-05 00:41:03,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 00:41:03,496 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 00:41:03,575 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_4.c[11358,11371] [2022-04-05 00:41:03,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 00:41:03,589 INFO L208 MainTranslator]: Completed translation [2022-04-05 00:41:03,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03 WrapperNode [2022-04-05 00:41:03,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 00:41:03,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 00:41:03,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 00:41:03,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 00:41:03,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,666 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 00:41:03,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 00:41:03,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 00:41:03,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 00:41:03,682 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (1/1) ... [2022-04-05 00:41:03,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 00:41:03,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 00:41:03,712 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) [2022-04-05 00:41:03,725 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 [2022-04-05 00:41:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 00:41:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-04-05 00:41:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-04-05 00:41:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-04-05 00:41:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-04-05 00:41:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 00:41:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-05 00:41:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 00:41:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 00:41:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 00:41:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-04-05 00:41:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 00:41:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-05 00:41:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 00:41:03,892 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 00:41:03,894 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 00:41:04,273 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 00:41:04,279 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 00:41:04,279 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-05 00:41:04,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:41:04 BoogieIcfgContainer [2022-04-05 00:41:04,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 00:41:04,282 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 00:41:04,282 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 00:41:04,284 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 00:41:04,287 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:41:04" (1/1) ... [2022-04-05 00:41:04,288 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-04-05 00:41:04,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 12:41:04 BasicIcfg [2022-04-05 00:41:04,329 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 00:41:04,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 00:41:04,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 00:41:04,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 00:41:04,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 12:41:03" (1/4) ... [2022-04-05 00:41:04,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c73efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:41:04, skipping insertion in model container [2022-04-05 00:41:04,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 12:41:03" (2/4) ... [2022-04-05 00:41:04,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c73efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 12:41:04, skipping insertion in model container [2022-04-05 00:41:04,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 12:41:04" (3/4) ... [2022-04-05 00:41:04,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c73efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 12:41:04, skipping insertion in model container [2022-04-05 00:41:04,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 12:41:04" (4/4) ... [2022-04-05 00:41:04,339 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.cJordan [2022-04-05 00:41:04,344 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-04-05 00:41:04,344 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 00:41:04,384 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 00:41:04,390 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 [2022-04-05 00:41:04,391 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 00:41:04,404 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) [2022-04-05 00:41:04,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-04-05 00:41:04,419 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 00:41:04,419 INFO L499 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] [2022-04-05 00:41:04,420 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 00:41:04,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 00:41:04,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1746528498, now seen corresponding path program 1 times [2022-04-05 00:41:04,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 00:41:04,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905873807] [2022-04-05 00:41:04,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 00:41:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 00:41:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:04,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 00:41:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-05 00:41:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-05 00:41:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:04,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-04-05 00:41:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:04,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-05 00:41:04,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 00:41:04,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905873807] [2022-04-05 00:41:04,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905873807] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 00:41:04,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 00:41:04,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 00:41:04,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649550354] [2022-04-05 00:41:04,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 00:41:04,881 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 00:41:04,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 00:41:04,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 00:41:04,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 00:41:04,912 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) [2022-04-05 00:41:05,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 00:41:05,337 INFO L93 Difference]: Finished difference Result 131 states and 179 transitions. [2022-04-05 00:41:05,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 00:41:05,339 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 [2022-04-05 00:41:05,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 00:41:05,346 INFO L225 Difference]: With dead ends: 131 [2022-04-05 00:41:05,346 INFO L226 Difference]: Without dead ends: 120 [2022-04-05 00:41:05,348 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-04-05 00:41:05,350 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2022-04-05 00:41:05,351 INFO L914 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] [2022-04-05 00:41:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-04-05 00:41:05,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-04-05 00:41:05,386 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) [2022-04-05 00:41:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-04-05 00:41:05,389 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-04-05 00:41:05,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 00:41:05,390 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-04-05 00:41:05,390 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) [2022-04-05 00:41:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-04-05 00:41:05,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-04-05 00:41:05,392 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 00:41:05,392 INFO L499 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] [2022-04-05 00:41:05,393 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 00:41:05,393 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 00:41:05,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 00:41:05,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1478723201, now seen corresponding path program 1 times [2022-04-05 00:41:05,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 00:41:05,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094486605] [2022-04-05 00:41:05,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 00:41:05,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 00:41:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 00:41:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:05,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-05 00:41:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-04-05 00:41:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:05,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-04-05 00:41:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 00:41:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 00:41:05,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 00:41:05,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094486605] [2022-04-05 00:41:05,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094486605] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 00:41:05,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 00:41:05,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-05 00:41:05,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034522528] [2022-04-05 00:41:05,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 00:41:05,631 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-04-05 00:41:05,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 00:41:05,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-04-05 00:41:05,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-04-05 00:41:05,632 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) [2022-04-05 00:41:06,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 00:41:06,413 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-05 00:41:06,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-04-05 00:41:06,414 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 [2022-04-05 00:41:06,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 00:41:06,414 INFO L225 Difference]: With dead ends: 118 [2022-04-05 00:41:06,414 INFO L226 Difference]: Without dead ends: 0 [2022-04-05 00:41:06,415 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-04-05 00:41:06,416 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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 [2022-04-05 00:41:06,416 INFO L914 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] [2022-04-05 00:41:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-05 00:41:06,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-05 00:41:06,417 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) [2022-04-05 00:41:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-05 00:41:06,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-04-05 00:41:06,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 00:41:06,418 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-05 00:41:06,418 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) [2022-04-05 00:41:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-05 00:41:06,418 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-05 00:41:06,420 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 00:41:06,420 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 00:41:06,423 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-05 00:41:06,424 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 00:41:06,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 12:41:06 BasicIcfg [2022-04-05 00:41:06,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 00:41:06,427 INFO L158 Benchmark]: Toolchain (without parser) took 3325.85ms. Allocated memory was 181.4MB in the beginning and 231.7MB in the end (delta: 50.3MB). Free memory was 123.7MB in the beginning and 194.1MB in the end (delta: -70.4MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 00:41:06,427 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 00:41:06,428 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.13ms. Allocated memory was 181.4MB in the beginning and 231.7MB in the end (delta: 50.3MB). Free memory was 123.5MB in the beginning and 196.3MB in the end (delta: -72.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-04-05 00:41:06,428 INFO L158 Benchmark]: Boogie Preprocessor took 81.81ms. Allocated memory is still 231.7MB. Free memory was 196.3MB in the beginning and 192.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-05 00:41:06,429 INFO L158 Benchmark]: RCFGBuilder took 608.39ms. Allocated memory is still 231.7MB. Free memory was 192.6MB in the beginning and 161.7MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-04-05 00:41:06,429 INFO L158 Benchmark]: IcfgTransformer took 47.41ms. Allocated memory is still 231.7MB. Free memory was 161.7MB in the beginning and 158.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 00:41:06,430 INFO L158 Benchmark]: TraceAbstraction took 2094.74ms. Allocated memory is still 231.7MB. Free memory was 158.1MB in the beginning and 194.1MB in the end (delta: -36.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 00:41:06,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 140.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 486.13ms. Allocated memory was 181.4MB in the beginning and 231.7MB in the end (delta: 50.3MB). Free memory was 123.5MB in the beginning and 196.3MB in the end (delta: -72.8MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.81ms. Allocated memory is still 231.7MB. Free memory was 196.3MB in the beginning and 192.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 608.39ms. Allocated memory is still 231.7MB. Free memory was 192.6MB in the beginning and 161.7MB in the end (delta: 30.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 47.41ms. Allocated memory is still 231.7MB. Free memory was 161.7MB in the beginning and 158.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2094.74ms. Allocated memory is still 231.7MB. Free memory was 158.1MB in the beginning and 194.1MB in the end (delta: -36.0MB). There was no memory consumed. 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: 2.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.7s 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! [2022-04-05 00:41:06,460 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...