/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_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 03:52:00,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 03:52:00,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 03:52:00,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 03:52:00,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 03:52:00,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 03:52:00,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 03:52:00,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 03:52:00,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 03:52:00,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 03:52:00,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 03:52:00,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 03:52:00,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 03:52:00,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 03:52:00,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 03:52:00,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 03:52:00,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 03:52:00,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 03:52:00,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 03:52:00,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 03:52:00,958 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 03:52:00,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 03:52:00,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 03:52:00,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 03:52:00,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 03:52:00,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-20 03:52:00,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 03:52:00,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 03:52:00,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 03:52:00,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-03-20 03:52:00,988 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 03:52:00,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 03:52:00,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 03:52:00,990 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-20 03:52:00,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 03:52:00,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-20 03:52:00,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 03:52:00,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 03:52:00,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 03:52:00,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 03:52:00,991 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-20 03:52:00,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 03:52:00,992 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 03:52:00,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 03:52:00,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 03:52:00,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 03:52:00,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-20 03:52:00,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 03:52:00,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 03:52:00,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 03:52:00,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 03:52:00,993 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 03:52:00,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 03:52:01,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 03:52:01,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 03:52:01,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 03:52:01,231 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 03:52:01,231 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 03:52:01,232 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-03-20 03:52:01,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76b537173/0a7425daf3c8425d92603f764e88d4c4/FLAG0884b4fed [2022-03-20 03:52:01,710 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 03:52:01,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-03-20 03:52:01,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76b537173/0a7425daf3c8425d92603f764e88d4c4/FLAG0884b4fed [2022-03-20 03:52:02,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76b537173/0a7425daf3c8425d92603f764e88d4c4 [2022-03-20 03:52:02,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 03:52:02,078 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 03:52:02,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 03:52:02,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 03:52:02,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 03:52:02,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355fbdfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02, skipping insertion in model container [2022-03-20 03:52:02,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 03:52:02,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 03:52:02,458 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_1.c[11890,11903] [2022-03-20 03:52:02,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 03:52:02,473 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 03:52:02,528 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_1.c[11890,11903] [2022-03-20 03:52:02,528 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 03:52:02,541 INFO L208 MainTranslator]: Completed translation [2022-03-20 03:52:02,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02 WrapperNode [2022-03-20 03:52:02,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 03:52:02,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 03:52:02,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 03:52:02,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 03:52:02,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 03:52:02,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 03:52:02,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 03:52:02,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 03:52:02,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (1/1) ... [2022-03-20 03:52:02,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 03:52:02,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 03:52:02,645 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 03:52:02,672 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 03:52:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 03:52:02,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 03:52:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 03:52:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 03:52:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-20 03:52:02,696 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-03-20 03:52:02,697 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 03:52:02,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 03:52:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-03-20 03:52:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 03:52:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 03:52:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 03:52:02,895 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 03:52:02,897 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 03:52:03,395 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 03:52:03,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 03:52:03,402 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-20 03:52:03,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:52:03 BoogieIcfgContainer [2022-03-20 03:52:03,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 03:52:03,405 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 03:52:03,405 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 03:52:03,406 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 03:52:03,408 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:52:03" (1/1) ... [2022-03-20 03:52:03,410 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_JORDAN [2022-03-20 03:52:03,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 03:52:03 BasicIcfg [2022-03-20 03:52:03,445 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 03:52:03,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 03:52:03,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 03:52:03,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 03:52:03,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 03:52:02" (1/4) ... [2022-03-20 03:52:03,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35165a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:52:03, skipping insertion in model container [2022-03-20 03:52:03,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 03:52:02" (2/4) ... [2022-03-20 03:52:03,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35165a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 03:52:03, skipping insertion in model container [2022-03-20 03:52:03,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 03:52:03" (3/4) ... [2022-03-20 03:52:03,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35165a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 03:52:03, skipping insertion in model container [2022-03-20 03:52:03,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 03:52:03" (4/4) ... [2022-03-20 03:52:03,452 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.cJordan [2022-03-20 03:52:03,456 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-03-20 03:52:03,456 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 03:52:03,490 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 03:52:03,495 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 03:52:03,495 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 03:52:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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 03:52:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-20 03:52:03,529 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:52:03,529 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] [2022-03-20 03:52:03,530 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:52:03,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:52:03,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1019923025, now seen corresponding path program 1 times [2022-03-20 03:52:03,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:52:03,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853343377] [2022-03-20 03:52:03,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:52:03,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:52:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 03:52:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 03:52:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 03:52:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:03,957 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 03:52:03,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 03:52:03,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853343377] [2022-03-20 03:52:03,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853343377] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 03:52:03,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 03:52:03,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 03:52:03,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097494427] [2022-03-20 03:52:03,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 03:52:03,964 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 03:52:03,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 03:52:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 03:52:03,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 03:52:03,997 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 03:52:04,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 03:52:04,399 INFO L93 Difference]: Finished difference Result 129 states and 176 transitions. [2022-03-20 03:52:04,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 03:52:04,402 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2022-03-20 03:52:04,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 03:52:04,412 INFO L225 Difference]: With dead ends: 129 [2022-03-20 03:52:04,412 INFO L226 Difference]: Without dead ends: 118 [2022-03-20 03:52:04,414 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 03:52:04,418 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 03:52:04,427 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 03:52:04,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-03-20 03:52:04,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-03-20 03:52:04,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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 03:52:04,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-03-20 03:52:04,477 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-03-20 03:52:04,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 03:52:04,478 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-03-20 03:52:04,479 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-20 03:52:04,479 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-03-20 03:52:04,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-20 03:52:04,486 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 03:52:04,486 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] [2022-03-20 03:52:04,487 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 03:52:04,487 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 03:52:04,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 03:52:04,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1240866738, now seen corresponding path program 1 times [2022-03-20 03:52:04,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 03:52:04,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612725222] [2022-03-20 03:52:04,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 03:52:04,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 03:52:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 03:52:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 03:52:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 03:52:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 03:52:04,686 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 03:52:04,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 03:52:04,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612725222] [2022-03-20 03:52:04,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612725222] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 03:52:04,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 03:52:04,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-20 03:52:04,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700625617] [2022-03-20 03:52:04,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 03:52:04,689 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-20 03:52:04,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 03:52:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-20 03:52:04,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-03-20 03:52:04,690 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-20 03:52:05,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 03:52:05,417 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2022-03-20 03:52:05,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-20 03:52:05,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2022-03-20 03:52:05,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 03:52:05,419 INFO L225 Difference]: With dead ends: 116 [2022-03-20 03:52:05,419 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 03:52:05,419 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-03-20 03:52:05,420 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-20 03:52:05,421 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-20 03:52:05,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 03:52:05,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 03:52:05,422 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 03:52:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 03:52:05,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-03-20 03:52:05,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 03:52:05,422 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 03:52:05,422 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-20 03:52:05,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 03:52:05,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 03:52:05,425 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 03:52:05,426 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 03:52:05,429 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-20 03:52:05,433 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 03:52:05,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 03:52:05 BasicIcfg [2022-03-20 03:52:05,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 03:52:05,443 INFO L158 Benchmark]: Toolchain (without parser) took 3364.00ms. Allocated memory was 194.0MB in the beginning and 265.3MB in the end (delta: 71.3MB). Free memory was 136.6MB in the beginning and 159.1MB in the end (delta: -22.4MB). Peak memory consumption was 50.2MB. Max. memory is 8.0GB. [2022-03-20 03:52:05,443 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 194.0MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 03:52:05,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.37ms. Allocated memory was 194.0MB in the beginning and 265.3MB in the end (delta: 71.3MB). Free memory was 136.4MB in the beginning and 227.8MB in the end (delta: -91.5MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-03-20 03:52:05,446 INFO L158 Benchmark]: Boogie Preprocessor took 71.37ms. Allocated memory is still 265.3MB. Free memory was 227.8MB in the beginning and 224.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-20 03:52:05,451 INFO L158 Benchmark]: RCFGBuilder took 789.34ms. Allocated memory is still 265.3MB. Free memory was 224.2MB in the beginning and 192.2MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-20 03:52:05,451 INFO L158 Benchmark]: IcfgTransformer took 40.61ms. Allocated memory is still 265.3MB. Free memory was 192.2MB in the beginning and 189.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 03:52:05,451 INFO L158 Benchmark]: TraceAbstraction took 1994.78ms. Allocated memory is still 265.3MB. Free memory was 188.5MB in the beginning and 159.1MB in the end (delta: 29.5MB). Peak memory consumption was 30.5MB. Max. memory is 8.0GB. [2022-03-20 03:52:05,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 194.0MB. Free memory is still 153.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.37ms. Allocated memory was 194.0MB in the beginning and 265.3MB in the end (delta: 71.3MB). Free memory was 136.4MB in the beginning and 227.8MB in the end (delta: -91.5MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.37ms. Allocated memory is still 265.3MB. Free memory was 227.8MB in the beginning and 224.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 789.34ms. Allocated memory is still 265.3MB. Free memory was 224.2MB in the beginning and 192.2MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * IcfgTransformer took 40.61ms. Allocated memory is still 265.3MB. Free memory was 192.2MB in the beginning and 189.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1994.78ms. Allocated memory is still 265.3MB. Free memory was 188.5MB in the beginning and 159.1MB in the end (delta: 29.5MB). Peak memory consumption was 30.5MB. 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: 489]: 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, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 03:52:05,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...