/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/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 19:56:22,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 19:56:22,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 19:56:22,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 19:56:22,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 19:56:22,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 19:56:22,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 19:56:22,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 19:56:22,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 19:56:22,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 19:56:22,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 19:56:22,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 19:56:22,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 19:56:22,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 19:56:22,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 19:56:22,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 19:56:22,839 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 19:56:22,840 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 19:56:22,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 19:56:22,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 19:56:22,843 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 19:56:22,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 19:56:22,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 19:56:22,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 19:56:22,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 19:56:22,850 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-03-17 19:56:22,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 19:56:22,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 19:56:22,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 19:56:22,855 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 19:56:22,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 19:56:22,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 19:56:22,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 19:56:22,875 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 19:56:22,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 19:56:22,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 19:56:22,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 19:56:22,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:56:22,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 19:56:22,877 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 19:56:22,878 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 19:56:22,878 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 19:56:23,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 19:56:23,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 19:56:23,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 19:56:23,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 19:56:23,057 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 19:56:23,058 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-03-17 19:56:23,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e35c28ac/0027e3cfe12e4c9d9a49a9653185a42e/FLAG2d14578f9 [2022-03-17 19:56:23,496 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 19:56:23,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2022-03-17 19:56:23,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e35c28ac/0027e3cfe12e4c9d9a49a9653185a42e/FLAG2d14578f9 [2022-03-17 19:56:23,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e35c28ac/0027e3cfe12e4c9d9a49a9653185a42e [2022-03-17 19:56:23,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 19:56:23,515 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 19:56:23,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 19:56:23,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 19:56:23,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 19:56:23,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727942a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23, skipping insertion in model container [2022-03-17 19:56:23,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 19:56:23,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 19:56:23,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c[11358,11371] [2022-03-17 19:56:23,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:56:23,764 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 19:56:23,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c[11358,11371] [2022-03-17 19:56:23,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:56:23,820 INFO L208 MainTranslator]: Completed translation [2022-03-17 19:56:23,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23 WrapperNode [2022-03-17 19:56:23,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 19:56:23,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 19:56:23,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 19:56:23,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 19:56:23,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 19:56:23,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 19:56:23,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 19:56:23,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 19:56:23,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (1/1) ... [2022-03-17 19:56:23,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:56:23,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 19:56:23,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-17 19:56:23,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-17 19:56:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 19:56:23,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-17 19:56:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 19:56:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 19:56:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 19:56:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 19:56:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 19:56:23,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-17 19:56:23,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 19:56:24,029 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 19:56:24,030 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 19:56:24,340 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 19:56:24,345 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 19:56:24,345 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-17 19:56:24,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:56:24 BoogieIcfgContainer [2022-03-17 19:56:24,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 19:56:24,347 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 19:56:24,347 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 19:56:24,359 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 19:56:24,361 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:56:24" (1/1) ... [2022-03-17 19:56:24,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 07:56:24 BasicIcfg [2022-03-17 19:56:24,406 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 19:56:24,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 19:56:24,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 19:56:24,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 19:56:24,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:56:23" (1/4) ... [2022-03-17 19:56:24,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c68f6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:56:24, skipping insertion in model container [2022-03-17 19:56:24,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:23" (2/4) ... [2022-03-17 19:56:24,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c68f6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:56:24, skipping insertion in model container [2022-03-17 19:56:24,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:56:24" (3/4) ... [2022-03-17 19:56:24,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c68f6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:56:24, skipping insertion in model container [2022-03-17 19:56:24,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 07:56:24" (4/4) ... [2022-03-17 19:56:24,411 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.cqvasr [2022-03-17 19:56:24,414 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 19:56:24,414 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 19:56:24,442 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 19:56:24,446 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP [2022-03-17 19:56:24,447 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 19:56:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-03-17 19:56:24,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-17 19:56:24,464 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:56:24,464 INFO L500 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:56:24,464 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:56:24,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:56:24,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1746528498, now seen corresponding path program 1 times [2022-03-17 19:56:24,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:56:24,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848366297] [2022-03-17 19:56:24,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:56:24,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:56:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:24,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:56:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:24,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 19:56:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-17 19:56:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-03-17 19:56:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-17 19:56:24,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:56:24,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848366297] [2022-03-17 19:56:24,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848366297] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:56:24,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:56:24,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:56:24,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569097058] [2022-03-17 19:56:24,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:56:24,882 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:56:24,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:56:24,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:56:24,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:56:24,903 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-17 19:56:25,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:56:25,285 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-03-17 19:56:25,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:56:25,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2022-03-17 19:56:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:56:25,320 INFO L225 Difference]: With dead ends: 245 [2022-03-17 19:56:25,320 INFO L226 Difference]: Without dead ends: 120 [2022-03-17 19:56:25,327 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:56:25,331 INFO L912 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 19:56:25,331 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 19:56:25,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-03-17 19:56:25,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-03-17 19:56:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-03-17 19:56:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-03-17 19:56:25,384 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-03-17 19:56:25,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:56:25,384 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-03-17 19:56:25,385 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-17 19:56:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-03-17 19:56:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-17 19:56:25,392 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:56:25,392 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:56:25,392 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 19:56:25,392 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:56:25,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:56:25,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1478723201, now seen corresponding path program 1 times [2022-03-17 19:56:25,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:56:25,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584944730] [2022-03-17 19:56:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:56:25,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:56:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:25,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:56:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:25,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 19:56:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-03-17 19:56:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:25,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-03-17 19:56:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:25,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:56:25,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:56:25,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584944730] [2022-03-17 19:56:25,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584944730] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:56:25,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:56:25,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-17 19:56:25,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912835513] [2022-03-17 19:56:25,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:56:25,618 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-17 19:56:25,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:56:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-17 19:56:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-17 19:56:25,619 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-17 19:56:26,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:56:26,196 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-03-17 19:56:26,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-17 19:56:26,198 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-03-17 19:56:26,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:56:26,199 INFO L225 Difference]: With dead ends: 148 [2022-03-17 19:56:26,199 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 19:56:26,200 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-17 19:56:26,201 INFO L912 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-03-17 19:56:26,201 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-17 19:56:26,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 19:56:26,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 19:56:26,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-17 19:56:26,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 19:56:26,202 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-03-17 19:56:26,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:56:26,202 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 19:56:26,202 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-17 19:56:26,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 19:56:26,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 19:56:26,204 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 19:56:26,204 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-17 19:56:26,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-17 19:56:26,316 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:26,316 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:26,316 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2022-03-17 19:56:26,316 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2022-03-17 19:56:26,316 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:26,316 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-17 19:56:26,316 INFO L882 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-17 19:56:26,317 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-03-17 19:56:26,317 INFO L882 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-03-17 19:56:26,318 INFO L882 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-03-17 19:56:26,319 INFO L882 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:26,320 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-03-17 19:56:26,320 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-03-17 19:56:26,320 INFO L882 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-03-17 19:56:26,321 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-03-17 19:56:26,321 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-03-17 19:56:26,321 INFO L882 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-03-17 19:56:26,322 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L878 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-03-17 19:56:26,323 INFO L882 garLoopResultBuilder]: For program point L298-3(line 298) no Hoare annotation was computed. [2022-03-17 19:56:26,323 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-03-17 19:56:26,324 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-03-17 19:56:26,324 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-17 19:56:26,325 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-17 19:56:26,325 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-17 19:56:26,325 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-03-17 19:56:26,326 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2022-03-17 19:56:26,329 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-17 19:56:26,330 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 19:56:26,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:56:26 BasicIcfg [2022-03-17 19:56:26,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 19:56:26,340 INFO L158 Benchmark]: Toolchain (without parser) took 2825.41ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 161.0MB in the beginning and 103.9MB in the end (delta: 57.1MB). Peak memory consumption was 102.3MB. Max. memory is 8.0GB. [2022-03-17 19:56:26,340 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 217.1MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 19:56:26,341 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.76ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 160.7MB in the beginning and 226.6MB in the end (delta: -65.9MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-03-17 19:56:26,341 INFO L158 Benchmark]: Boogie Preprocessor took 43.63ms. Allocated memory is still 261.1MB. Free memory was 226.6MB in the beginning and 222.9MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 19:56:26,341 INFO L158 Benchmark]: RCFGBuilder took 481.36ms. Allocated memory is still 261.1MB. Free memory was 222.9MB in the beginning and 192.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-03-17 19:56:26,341 INFO L158 Benchmark]: IcfgTransformer took 58.87ms. Allocated memory is still 261.1MB. Free memory was 192.0MB in the beginning and 188.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 19:56:26,341 INFO L158 Benchmark]: TraceAbstraction took 1932.63ms. Allocated memory is still 261.1MB. Free memory was 188.3MB in the beginning and 103.9MB in the end (delta: 84.4MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. [2022-03-17 19:56:26,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 217.1MB. Free memory is still 178.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 304.76ms. Allocated memory was 217.1MB in the beginning and 261.1MB in the end (delta: 44.0MB). Free memory was 160.7MB in the beginning and 226.6MB in the end (delta: -65.9MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.63ms. Allocated memory is still 261.1MB. Free memory was 226.6MB in the beginning and 222.9MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 481.36ms. Allocated memory is still 261.1MB. Free memory was 222.9MB in the beginning and 192.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * IcfgTransformer took 58.87ms. Allocated memory is still 261.1MB. Free memory was 192.0MB in the beginning and 188.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1932.63ms. Allocated memory is still 261.1MB. Free memory was 188.3MB in the beginning and 103.9MB in the end (delta: 84.4MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 463]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.5s 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, 0.3s 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: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 83 PreInvPairs, 99 NumberOfFragments, 205 HoareAnnotationTreeSize, 83 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-03-17 19:56:26,395 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...