/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-b030c9e [2022-03-20 03:52:30,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 03:52:30,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 03:52:30,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 03:52:30,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 03:52:30,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 03:52:30,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 03:52:30,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 03:52:30,130 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 03:52:30,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 03:52:30,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 03:52:30,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 03:52:30,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 03:52:30,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 03:52:30,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 03:52:30,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 03:52:30,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 03:52:30,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 03:52:30,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 03:52:30,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 03:52:30,149 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 03:52:30,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 03:52:30,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 03:52:30,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 03:52:30,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 03:52:30,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 03:52:30,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 03:52:30,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 03:52:30,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 03:52:30,171 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 03:52:30,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 03:52:30,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 03:52:30,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 03:52:30,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 03:52:30,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 03:52:30,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 03:52:30,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 03:52:30,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 03:52:30,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 03:52:30,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 03:52:30,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 03:52:30,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 03:52:30,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 03:52:30,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 03:52:30,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 03:52:30,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 03:52:30,187 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 03:52:30,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 03:52:30,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 03:52:30,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 03:52:30,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 03:52:30,189 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 03:52:30,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 03:52:30,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 03:52:30,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 03:52:30,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 03:52:30,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 03:52:30,428 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 03:52:30,429 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-20 03:52:30,480 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ed3c143/e8b748785be5447787b92a2ad195cbff/FLAG5889ae4f3 [2022-03-20 03:52:30,940 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 03:52:30,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-20 03:52:30,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ed3c143/e8b748785be5447787b92a2ad195cbff/FLAG5889ae4f3 [2022-03-20 03:52:30,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32ed3c143/e8b748785be5447787b92a2ad195cbff [2022-03-20 03:52:30,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 03:52:30,968 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 03:52:30,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 03:52:30,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 03:52:30,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 03:52:30,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:52:30" (1/1) ... [2022-03-20 03:52:30,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c342f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:30, skipping insertion in model container [2022-03-20 03:52:30,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:52:30" (1/1) ... [2022-03-20 03:52:30,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 03:52:31,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 03:52:31,287 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] [2022-03-20 03:52:31,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 03:52:31,298 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 03:52:31,378 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] [2022-03-20 03:52:31,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 03:52:31,396 INFO L208 MainTranslator]: Completed translation [2022-03-20 03:52:31,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31 WrapperNode [2022-03-20 03:52:31,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 03:52:31,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 03:52:31,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 03:52:31,398 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 03:52:31,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,503 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 03:52:31,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 03:52:31,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 03:52:31,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 03:52:31,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (1/1) ... [2022-03-20 03:52:31,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 03:52:31,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 03:52:31,553 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) [2022-03-20 03:52:31,563 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 [2022-03-20 03:52:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 03:52:31,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 03:52:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 03:52:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 03:52:31,596 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-20 03:52:31,597 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-20 03:52:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 03:52:31,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 03:52:31,598 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-20 03:52:31,600 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 03:52:31,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 03:52:31,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 03:52:31,755 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 03:52:31,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 03:52:32,232 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 03:52:32,240 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 03:52:32,241 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-20 03:52:32,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:52:32 BoogieIcfgContainer [2022-03-20 03:52:32,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 03:52:32,256 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 03:52:32,256 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 03:52:32,260 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 03:52:32,279 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:52:32" (1/1) ... [2022-03-20 03:52:32,280 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 03:52:32,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 03:52:32 BasicIcfg [2022-03-20 03:52:32,310 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 03:52:32,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 03:52:32,312 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 03:52:32,314 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 03:52:32,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 03:52:30" (1/4) ... [2022-03-20 03:52:32,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c8d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:52:32, skipping insertion in model container [2022-03-20 03:52:32,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:31" (2/4) ... [2022-03-20 03:52:32,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c8d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:52:32, skipping insertion in model container [2022-03-20 03:52:32,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:52:32" (3/4) ... [2022-03-20 03:52:32,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c8d114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 03:52:32, skipping insertion in model container [2022-03-20 03:52:32,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 03:52:32" (4/4) ... [2022-03-20 03:52:32,317 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.cJordan [2022-03-20 03:52:32,321 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 03:52:32,321 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 03:52:32,357 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 03:52:32,362 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 [2022-03-20 03:52:32,363 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 03:52:32,389 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) [2022-03-20 03:52:32,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-20 03:52:32,405 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:52:32,406 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] [2022-03-20 03:52:32,406 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:52:32,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:52:32,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1746528498, now seen corresponding path program 1 times [2022-03-20 03:52:32,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:52:32,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219442257] [2022-03-20 03:52:32,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:52:32,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:52:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:32,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 03:52:32,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 03:52:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 03:52:32,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-03-20 03:52:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 03:52:32,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 03:52:32,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219442257] [2022-03-20 03:52:32,905 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219442257] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 03:52:32,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 03:52:32,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 03:52:32,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852793806] [2022-03-20 03:52:32,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 03:52:32,911 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 03:52:32,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 03:52:32,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 03:52:32,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 03:52:32,943 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) [2022-03-20 03:52:33,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 03:52:33,364 INFO L93 Difference]: Finished difference Result 131 states and 179 transitions. [2022-03-20 03:52:33,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 03:52:33,366 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 [2022-03-20 03:52:33,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 03:52:33,381 INFO L225 Difference]: With dead ends: 131 [2022-03-20 03:52:33,381 INFO L226 Difference]: Without dead ends: 120 [2022-03-20 03:52:33,382 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 [2022-03-20 03:52:33,386 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 [2022-03-20 03:52:33,391 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] [2022-03-20 03:52:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-03-20 03:52:33,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-03-20 03:52:33,433 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) [2022-03-20 03:52:33,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-03-20 03:52:33,441 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-03-20 03:52:33,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 03:52:33,442 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-03-20 03:52:33,443 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) [2022-03-20 03:52:33,443 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-03-20 03:52:33,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-20 03:52:33,451 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:52:33,451 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] [2022-03-20 03:52:33,451 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 03:52:33,452 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:52:33,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:52:33,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1478723201, now seen corresponding path program 1 times [2022-03-20 03:52:33,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:52:33,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227176682] [2022-03-20 03:52:33,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:52:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:52:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:33,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 03:52:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:33,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 03:52:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:33,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-03-20 03:52:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-03-20 03:52:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 03:52:33,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 03:52:33,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227176682] [2022-03-20 03:52:33,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227176682] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 03:52:33,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 03:52:33,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 03:52:33,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697886284] [2022-03-20 03:52:33,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 03:52:33,645 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 03:52:33,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 03:52:33,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 03:52:33,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-20 03:52:33,647 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) [2022-03-20 03:52:34,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 03:52:34,436 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-03-20 03:52:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 03:52:34,437 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 [2022-03-20 03:52:34,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 03:52:34,437 INFO L225 Difference]: With dead ends: 118 [2022-03-20 03:52:34,437 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 03:52:34,438 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 [2022-03-20 03:52:34,439 INFO L913 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 [2022-03-20 03:52:34,439 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] [2022-03-20 03:52:34,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 03:52:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 03:52:34,440 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) [2022-03-20 03:52:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 03:52:34,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-03-20 03:52:34,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 03:52:34,441 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 03:52:34,441 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) [2022-03-20 03:52:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 03:52:34,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 03:52:34,443 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 03:52:34,444 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 03:52:34,446 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-20 03:52:34,447 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 03:52:34,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 03:52:34 BasicIcfg [2022-03-20 03:52:34,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 03:52:34,450 INFO L158 Benchmark]: Toolchain (without parser) took 3482.11ms. Allocated memory was 175.1MB in the beginning and 230.7MB in the end (delta: 55.6MB). Free memory was 118.7MB in the beginning and 177.9MB in the end (delta: -59.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 03:52:34,451 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 175.1MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 03:52:34,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.18ms. Allocated memory was 175.1MB in the beginning and 230.7MB in the end (delta: 55.6MB). Free memory was 118.5MB in the beginning and 195.0MB in the end (delta: -76.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-20 03:52:34,452 INFO L158 Benchmark]: Boogie Preprocessor took 105.18ms. Allocated memory is still 230.7MB. Free memory was 195.0MB in the beginning and 191.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 03:52:34,452 INFO L158 Benchmark]: RCFGBuilder took 751.91ms. Allocated memory is still 230.7MB. Free memory was 191.4MB in the beginning and 160.4MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-20 03:52:34,452 INFO L158 Benchmark]: IcfgTransformer took 54.39ms. Allocated memory is still 230.7MB. Free memory was 160.4MB in the beginning and 157.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 03:52:34,453 INFO L158 Benchmark]: TraceAbstraction took 2138.13ms. Allocated memory is still 230.7MB. Free memory was 156.7MB in the beginning and 177.9MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 03:52:34,454 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 175.1MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 427.18ms. Allocated memory was 175.1MB in the beginning and 230.7MB in the end (delta: 55.6MB). Free memory was 118.5MB in the beginning and 195.0MB in the end (delta: -76.5MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 105.18ms. Allocated memory is still 230.7MB. Free memory was 195.0MB in the beginning and 191.7MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 751.91ms. Allocated memory is still 230.7MB. Free memory was 191.4MB in the beginning and 160.4MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * IcfgTransformer took 54.39ms. Allocated memory is still 230.7MB. Free memory was 160.4MB in the beginning and 157.3MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2138.13ms. Allocated memory is still 230.7MB. Free memory was 156.7MB in the beginning and 177.9MB in the end (delta: -21.2MB). 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: 2.1s, 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! [2022-03-20 03:52:34,489 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...