/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 23:25:24,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 23:25:24,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 23:25:24,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 23:25:24,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 23:25:24,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 23:25:24,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 23:25:24,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 23:25:24,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 23:25:24,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 23:25:24,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 23:25:24,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 23:25:24,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 23:25:24,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 23:25:24,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 23:25:24,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 23:25:24,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 23:25:24,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 23:25:24,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 23:25:24,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 23:25:24,149 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 23:25:24,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 23:25:24,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 23:25:24,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 23:25:24,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-31 23:25:24,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-31 23:25:24,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-31 23:25:24,161 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-31 23:25:24,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-31 23:25:24,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-31 23:25:24,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 23:25:24,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 23:25:24,164 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 23:25:24,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 23:25:24,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 23:25:24,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 23:25:24,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 23:25:24,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 23:25:24,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 23:25:24,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 23:25:24,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 23:25:24,168 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-01-31 23:25:24,175 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 23:25:24,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 23:25:24,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 23:25:24,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 23:25:24,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 23:25:24,177 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 23:25:24,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 23:25:24,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 23:25:24,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 23:25:24,178 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 23:25:24,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 23:25:24,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 23:25:24,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 23:25:24,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 23:25:24,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 23:25:24,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:25:24,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 23:25:24,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-01-31 23:25:24,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-31 23:25:24,180 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-01-31 23:25:24,180 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 23:25:24,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 23:25:24,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 23:25:24,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 23:25:24,408 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 23:25:24,409 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 23:25:24,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-01-31 23:25:24,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d330082/4b72ef8742b848c08ac1dc5503e27c12/FLAGe3a2241ba [2022-01-31 23:25:24,896 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 23:25:24,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-01-31 23:25:24,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d330082/4b72ef8742b848c08ac1dc5503e27c12/FLAGe3a2241ba [2022-01-31 23:25:24,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01d330082/4b72ef8742b848c08ac1dc5503e27c12 [2022-01-31 23:25:24,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 23:25:24,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-31 23:25:24,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 23:25:24,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 23:25:24,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 23:25:24,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:25:24" (1/1) ... [2022-01-31 23:25:24,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa17165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:24, skipping insertion in model container [2022-01-31 23:25:24,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 11:25:24" (1/1) ... [2022-01-31 23:25:24,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 23:25:24,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 23:25:25,247 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] [2022-01-31 23:25:25,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:25:25,255 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 23:25:25,339 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] [2022-01-31 23:25:25,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 23:25:25,356 INFO L208 MainTranslator]: Completed translation [2022-01-31 23:25:25,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25 WrapperNode [2022-01-31 23:25:25,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 23:25:25,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 23:25:25,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 23:25:25,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 23:25:25,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 23:25:25,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 23:25:25,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 23:25:25,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 23:25:25,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (1/1) ... [2022-01-31 23:25:25,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 23:25:25,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 23:25:25,492 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) [2022-01-31 23:25:25,516 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 [2022-01-31 23:25:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 23:25:25,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 23:25:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 23:25:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 23:25:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-01-31 23:25:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-01-31 23:25:25,536 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-01-31 23:25:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-01-31 23:25:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-01-31 23:25:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-01-31 23:25:25,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-01-31 23:25:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-01-31 23:25:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 23:25:25,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 23:25:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 23:25:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 23:25:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 23:25:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-01-31 23:25:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 23:25:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-01-31 23:25:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 23:25:25,707 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 23:25:25,708 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 23:25:26,154 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 23:25:26,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 23:25:26,161 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-01-31 23:25:26,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:25:26 BoogieIcfgContainer [2022-01-31 23:25:26,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 23:25:26,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 23:25:26,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 23:25:26,167 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 23:25:26,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 11:25:24" (1/3) ... [2022-01-31 23:25:26,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a62121a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:25:26, skipping insertion in model container [2022-01-31 23:25:26,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 11:25:25" (2/3) ... [2022-01-31 23:25:26,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a62121a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 11:25:26, skipping insertion in model container [2022-01-31 23:25:26,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 11:25:26" (3/3) ... [2022-01-31 23:25:26,170 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-01-31 23:25:26,174 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-01-31 23:25:26,174 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 23:25:26,222 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 23:25:26,242 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, 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, mLoopAccelerationTechnique=QVASR [2022-01-31 23:25:26,242 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 23:25:26,269 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) [2022-01-31 23:25:26,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-31 23:25:26,278 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:25:26,278 INFO L514 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] [2022-01-31 23:25:26,278 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:25:26,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:25:26,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2022-01-31 23:25:26,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:25:26,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [875302855] [2022-01-31 23:25:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:25:26,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:25:26,342 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:25:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:26,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:25:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-31 23:25:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 23:25:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:25:26,715 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:25:26,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [875302855] [2022-01-31 23:25:26,716 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [875302855] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:25:26,716 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:25:26,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 23:25:26,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577714629] [2022-01-31 23:25:26,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:25:26,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 23:25:26,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:25:26,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 23:25:26,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 23:25:26,754 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) [2022-01-31 23:25:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:25:27,196 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-01-31 23:25:27,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 23:25:27,199 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 [2022-01-31 23:25:27,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:25:27,219 INFO L225 Difference]: With dead ends: 241 [2022-01-31 23:25:27,219 INFO L226 Difference]: Without dead ends: 118 [2022-01-31 23:25:27,223 INFO L932 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 [2022-01-31 23:25:27,225 INFO L933 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 [2022-01-31 23:25:27,232 INFO L934 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] [2022-01-31 23:25:27,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-01-31 23:25:27,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-01-31 23:25:27,294 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) [2022-01-31 23:25:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-01-31 23:25:27,297 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-01-31 23:25:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:25:27,297 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-01-31 23:25:27,298 INFO L471 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) [2022-01-31 23:25:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-01-31 23:25:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-01-31 23:25:27,300 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 23:25:27,300 INFO L514 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] [2022-01-31 23:25:27,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 23:25:27,301 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 23:25:27,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 23:25:27,301 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2022-01-31 23:25:27,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-01-31 23:25:27,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [423552478] [2022-01-31 23:25:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 23:25:27,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 23:25:27,305 INFO L248 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-01-31 23:25:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 23:25:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:27,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-01-31 23:25:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:27,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-01-31 23:25:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 23:25:27,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 23:25:27,532 INFO L139 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-01-31 23:25:27,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [423552478] [2022-01-31 23:25:27,533 INFO L160 FreeRefinementEngine]: IpTcStrategyModulePreferences [423552478] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 23:25:27,533 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 23:25:27,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-01-31 23:25:27,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877755666] [2022-01-31 23:25:27,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 23:25:27,535 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-31 23:25:27,535 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-01-31 23:25:27,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-31 23:25:27,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-01-31 23:25:27,536 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) [2022-01-31 23:25:28,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 23:25:28,232 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-01-31 23:25:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-31 23:25:28,233 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 [2022-01-31 23:25:28,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 23:25:28,234 INFO L225 Difference]: With dead ends: 118 [2022-01-31 23:25:28,234 INFO L226 Difference]: Without dead ends: 0 [2022-01-31 23:25:28,241 INFO L932 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 [2022-01-31 23:25:28,242 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-01-31 23:25:28,243 INFO L934 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] [2022-01-31 23:25:28,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-31 23:25:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-31 23:25:28,244 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) [2022-01-31 23:25:28,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-31 23:25:28,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-01-31 23:25:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 23:25:28,244 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-31 23:25:28,245 INFO L471 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) [2022-01-31 23:25:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-31 23:25:28,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-31 23:25:28,247 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-31 23:25:28,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-31 23:25:28,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-31 23:25:28,721 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-01-31 23:25:28,721 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-01-31 23:25:28,721 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point L322-1(line 322) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point L321-1(line 321) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-01-31 23:25:28,722 INFO L861 garLoopResultBuilder]: At program point L315-1(line 315) the Hoare annotation is: true [2022-01-31 23:25:28,723 INFO L861 garLoopResultBuilder]: At program point L313(lines 313 320) the Hoare annotation is: true [2022-01-31 23:25:28,723 INFO L861 garLoopResultBuilder]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2022-01-31 23:25:28,723 INFO L861 garLoopResultBuilder]: At program point L309(lines 309 312) the Hoare annotation is: true [2022-01-31 23:25:28,723 INFO L861 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-01-31 23:25:28,723 INFO L861 garLoopResultBuilder]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2022-01-31 23:25:28,723 INFO L854 garLoopResultBuilder]: At program point Id_MCDC_115ENTRY(lines 356 424) 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|)) [2022-01-31 23:25:28,723 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2022-01-31 23:25:28,724 INFO L861 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L413-1(line 413) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L414(lines 414 417) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L381(lines 381 422) the Hoare annotation is: true [2022-01-31 23:25:28,725 INFO L861 garLoopResultBuilder]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L343(lines 343 348) the Hoare annotation is: true [2022-01-31 23:25:28,726 INFO L861 garLoopResultBuilder]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L341-2(line 341) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L341-3(line 341) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L329(lines 329 332) the Hoare annotation is: true [2022-01-31 23:25:28,727 INFO L861 garLoopResultBuilder]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point L336(lines 336 339) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point L286(lines 286 294) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point L280(lines 280 294) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-01-31 23:25:28,728 INFO L861 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-01-31 23:25:28,729 INFO L861 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-01-31 23:25:28,729 INFO L861 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-01-31 23:25:28,729 INFO L861 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-01-31 23:25:28,729 INFO L861 garLoopResultBuilder]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2022-01-31 23:25:28,729 INFO L854 garLoopResultBuilder]: At program point L478(lines 478 481) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-01-31 23:25:28,729 INFO L854 garLoopResultBuilder]: At program point mainENTRY(lines 452 484) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-01-31 23:25:28,729 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2022-01-31 23:25:28,730 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2022-01-31 23:25:28,730 INFO L854 garLoopResultBuilder]: At program point L483(line 483) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-01-31 23:25:28,730 INFO L854 garLoopResultBuilder]: At program point Id_MCDC_117ENTRY(lines 425 444) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-01-31 23:25:28,730 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,730 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2022-01-31 23:25:28,730 INFO L854 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,730 INFO L854 garLoopResultBuilder]: At program point L430-1(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,730 INFO L854 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,731 INFO L854 garLoopResultBuilder]: At program point L433-2(lines 433 440) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,731 INFO L854 garLoopResultBuilder]: At program point L431-2(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,731 INFO L854 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,731 INFO L854 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-01-31 23:25:28,731 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2022-01-31 23:25:28,731 INFO L854 garLoopResultBuilder]: At program point L449(line 449) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-01-31 23:25:28,731 INFO L854 garLoopResultBuilder]: At program point Id_MCDC_118ENTRY(lines 445 451) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-01-31 23:25:28,732 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2022-01-31 23:25:28,732 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2022-01-31 23:25:28,732 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-01-31 23:25:28,732 INFO L858 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-01-31 23:25:28,732 INFO L858 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-01-31 23:25:28,732 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-01-31 23:25:28,732 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-01-31 23:25:28,732 INFO L854 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-01-31 23:25:28,733 INFO L861 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-01-31 23:25:28,734 INFO L861 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-01-31 23:25:28,734 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-01-31 23:25:28,734 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-01-31 23:25:28,734 INFO L854 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-01-31 23:25:28,734 INFO L854 garLoopResultBuilder]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-01-31 23:25:28,734 INFO L854 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-01-31 23:25:28,734 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point L254(lines 254 257) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point L242-2(line 242) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-01-31 23:25:28,735 INFO L861 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L259-2(line 259) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L259-3(line 259) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: true [2022-01-31 23:25:28,736 INFO L861 garLoopResultBuilder]: At program point L239-2(line 239) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L227(lines 227 233) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L223(lines 223 226) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L236-2(line 236) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L261(lines 261 266) the Hoare annotation is: true [2022-01-31 23:25:28,737 INFO L861 garLoopResultBuilder]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2022-01-31 23:25:28,738 INFO L861 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: true [2022-01-31 23:25:28,738 INFO L861 garLoopResultBuilder]: At program point L245-2(line 245) the Hoare annotation is: true [2022-01-31 23:25:28,738 INFO L861 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: true [2022-01-31 23:25:28,738 INFO L861 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-01-31 23:25:28,738 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2022-01-31 23:25:28,741 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-01-31 23:25:28,742 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-01-31 23:25:28,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 11:25:28 BoogieIcfgContainer [2022-01-31 23:25:28,754 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-31 23:25:28,754 INFO L158 Benchmark]: Toolchain (without parser) took 3832.15ms. Allocated memory was 178.3MB in the beginning and 240.1MB in the end (delta: 61.9MB). Free memory was 122.7MB in the beginning and 170.2MB in the end (delta: -47.6MB). Peak memory consumption was 116.0MB. Max. memory is 8.0GB. [2022-01-31 23:25:28,754 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-31 23:25:28,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.82ms. Allocated memory was 178.3MB in the beginning and 240.1MB in the end (delta: 61.9MB). Free memory was 122.5MB in the beginning and 205.2MB in the end (delta: -82.7MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. [2022-01-31 23:25:28,755 INFO L158 Benchmark]: Boogie Preprocessor took 98.25ms. Allocated memory is still 240.1MB. Free memory was 205.2MB in the beginning and 201.6MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-31 23:25:28,755 INFO L158 Benchmark]: RCFGBuilder took 706.28ms. Allocated memory is still 240.1MB. Free memory was 201.6MB in the beginning and 170.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2022-01-31 23:25:28,756 INFO L158 Benchmark]: TraceAbstraction took 2589.42ms. Allocated memory is still 240.1MB. Free memory was 169.6MB in the beginning and 170.2MB in the end (delta: -666.6kB). Peak memory consumption was 99.5MB. Max. memory is 8.0GB. [2022-01-31 23:25:28,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 178.3MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 432.82ms. Allocated memory was 178.3MB in the beginning and 240.1MB in the end (delta: 61.9MB). Free memory was 122.5MB in the beginning and 205.2MB in the end (delta: -82.7MB). Peak memory consumption was 11.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.25ms. Allocated memory is still 240.1MB. Free memory was 205.2MB in the beginning and 201.6MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 706.28ms. Allocated memory is still 240.1MB. Free memory was 201.6MB in the beginning and 170.1MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2589.42ms. Allocated memory is still 240.1MB. Free memory was 169.6MB in the beginning and 170.2MB in the end (delta: -666.6kB). Peak memory consumption was 99.5MB. 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 14 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.6s 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: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 353 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 127 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: \old(Id_MCDC_132) == Id_MCDC_132 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! [2022-01-31 23:25:28,791 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...