./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 658fb86b778ce736cacc34b3e32f0de13d67d4be ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:32:07,518 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:32:07,520 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:32:07,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:32:07,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:32:07,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:32:07,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:32:07,530 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:32:07,531 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:32:07,531 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:32:07,532 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:32:07,532 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:32:07,533 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:32:07,534 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:32:07,534 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:32:07,535 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:32:07,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:32:07,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:32:07,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:32:07,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:32:07,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:32:07,541 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:32:07,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:32:07,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:32:07,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:32:07,543 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:32:07,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:32:07,544 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:32:07,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:32:07,545 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:32:07,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:32:07,546 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:32:07,546 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:32:07,546 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:32:07,547 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:32:07,547 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:32:07,548 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:32:07,555 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:32:07,555 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:32:07,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:32:07,555 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:32:07,556 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:32:07,556 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:32:07,556 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:32:07,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:32:07,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:32:07,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:32:07,558 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:32:07,558 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:32:07,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:32:07,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:32:07,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:32:07,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:32:07,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:32:07,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:32:07,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:32:07,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:32:07,559 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:32:07,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:32:07,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:32:07,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658fb86b778ce736cacc34b3e32f0de13d67d4be [2018-11-23 08:32:07,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:32:07,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:32:07,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:32:07,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:32:07,600 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:32:07,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c [2018-11-23 08:32:07,649 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/data/259868376/709431c6a05f4b88a355c83941c41a5f/FLAG5ab0afd9a [2018-11-23 08:32:08,000 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:32:08,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/sv-benchmarks/c/loop-industry-pattern/ofuf_5_true-unreach-call.c [2018-11-23 08:32:08,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/data/259868376/709431c6a05f4b88a355c83941c41a5f/FLAG5ab0afd9a [2018-11-23 08:32:08,406 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/data/259868376/709431c6a05f4b88a355c83941c41a5f [2018-11-23 08:32:08,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:32:08,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:32:08,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:32:08,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:32:08,412 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:32:08,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28732ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08, skipping insertion in model container [2018-11-23 08:32:08,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:32:08,446 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:32:08,623 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:32:08,630 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:32:08,725 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:32:08,736 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:32:08,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08 WrapperNode [2018-11-23 08:32:08,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:32:08,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:32:08,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:32:08,737 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:32:08,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:32:08,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:32:08,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:32:08,759 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:32:08,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,769 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... [2018-11-23 08:32:08,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:32:08,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:32:08,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:32:08,796 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:32:08,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:32:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-23 08:32:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2018-11-23 08:32:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2018-11-23 08:32:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:32:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2018-11-23 08:32:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-23 08:32:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2018-11-23 08:32:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2018-11-23 08:32:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2018-11-23 08:32:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2018-11-23 08:32:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2018-11-23 08:32:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2018-11-23 08:32:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2018-11-23 08:32:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:32:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2018-11-23 08:32:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2018-11-23 08:32:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2018-11-23 08:32:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2018-11-23 08:32:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:32:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:32:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:32:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:32:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2018-11-23 08:32:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2018-11-23 08:32:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 08:32:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 08:32:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:32:09,406 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:32:09,406 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:32:09,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:09 BoogieIcfgContainer [2018-11-23 08:32:09,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:32:09,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:32:09,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:32:09,410 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:32:09,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:08" (1/3) ... [2018-11-23 08:32:09,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5324e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:09, skipping insertion in model container [2018-11-23 08:32:09,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:08" (2/3) ... [2018-11-23 08:32:09,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5324e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:09, skipping insertion in model container [2018-11-23 08:32:09,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:09" (3/3) ... [2018-11-23 08:32:09,413 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5_true-unreach-call.c [2018-11-23 08:32:09,418 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:32:09,423 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:32:09,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:32:09,454 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:32:09,455 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:32:09,455 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:32:09,455 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:32:09,455 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:32:09,455 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:32:09,455 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:32:09,455 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:32:09,456 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:32:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2018-11-23 08:32:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 08:32:09,473 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:09,473 INFO L402 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] [2018-11-23 08:32:09,475 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:09,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:09,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1421974318, now seen corresponding path program 1 times [2018-11-23 08:32:09,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:32:09,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:32:09,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:32:09,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:09,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:32:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:32:09,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:09,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:32:09,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:32:09,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:32:09,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:32:09,674 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 2 states. [2018-11-23 08:32:09,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:09,706 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2018-11-23 08:32:09,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:32:09,707 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 43 [2018-11-23 08:32:09,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:09,717 INFO L225 Difference]: With dead ends: 243 [2018-11-23 08:32:09,717 INFO L226 Difference]: Without dead ends: 120 [2018-11-23 08:32:09,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:32:09,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-23 08:32:09,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-23 08:32:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-23 08:32:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2018-11-23 08:32:09,760 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 43 [2018-11-23 08:32:09,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:09,760 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2018-11-23 08:32:09,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:32:09,761 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2018-11-23 08:32:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-23 08:32:09,764 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:32:09,764 INFO L402 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] [2018-11-23 08:32:09,764 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:32:09,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:32:09,765 INFO L82 PathProgramCache]: Analyzing trace with hash 2102032688, now seen corresponding path program 1 times [2018-11-23 08:32:09,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:32:09,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:32:09,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:32:09,766 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:09,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:32:09,794 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-11-23 08:32:09,795 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-11-23 08:32:09,795 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-11-23 08:32:09,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:32:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:32:09,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:32:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:32:09,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:32:09,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:32:09,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:32:09,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:32:09,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:32:09,953 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand 5 states. [2018-11-23 08:32:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:32:09,991 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2018-11-23 08:32:09,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 08:32:09,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2018-11-23 08:32:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:32:09,993 INFO L225 Difference]: With dead ends: 148 [2018-11-23 08:32:09,993 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:32:09,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:32:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:32:09,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:32:09,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:32:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:32:09,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-11-23 08:32:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:32:09,996 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:32:09,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:32:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:32:09,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:32:10,000 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:32:10,087 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 264) no Hoare annotation was computed. [2018-11-23 08:32:10,087 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 264) no Hoare annotation was computed. [2018-11-23 08:32:10,088 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_92ENTRY(lines 244 274) the Hoare annotation is: true [2018-11-23 08:32:10,088 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_92EXIT(lines 244 274) no Hoare annotation was computed. [2018-11-23 08:32:10,088 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_92FINAL(lines 244 274) no Hoare annotation was computed. [2018-11-23 08:32:10,088 INFO L451 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: true [2018-11-23 08:32:10,088 INFO L448 ceAbstractionStarter]: For program point L267-1(line 267) no Hoare annotation was computed. [2018-11-23 08:32:10,088 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 245 274) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 272) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_100FINAL(lines 415 421) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_100EXIT(lines 415 421) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_100ENTRY(lines 415 421) the Hoare annotation is: true [2018-11-23 08:32:10,089 INFO L451 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: true [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point L403-2(lines 403 410) no Hoare annotation was computed. [2018-11-23 08:32:10,089 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_99ENTRY(lines 395 414) the Hoare annotation is: true [2018-11-23 08:32:10,089 INFO L448 ceAbstractionStarter]: For program point L401-2(lines 401 411) no Hoare annotation was computed. [2018-11-23 08:32:10,090 INFO L451 ceAbstractionStarter]: At program point L401-3(lines 401 411) the Hoare annotation is: true [2018-11-23 08:32:10,090 INFO L451 ceAbstractionStarter]: At program point L401-4(lines 401 411) the Hoare annotation is: true [2018-11-23 08:32:10,090 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_99EXIT(lines 395 414) no Hoare annotation was computed. [2018-11-23 08:32:10,090 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-23 08:32:10,091 INFO L451 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2018-11-23 08:32:10,091 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-23 08:32:10,091 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_99FINAL(lines 395 414) no Hoare annotation was computed. [2018-11-23 08:32:10,091 INFO L448 ceAbstractionStarter]: For program point L229-5(lines 229 241) no Hoare annotation was computed. [2018-11-23 08:32:10,091 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 228) no Hoare annotation was computed. [2018-11-23 08:32:10,091 INFO L451 ceAbstractionStarter]: At program point L221-3(lines 221 228) the Hoare annotation is: true [2018-11-23 08:32:10,091 INFO L448 ceAbstractionStarter]: For program point L221-4(lines 221 228) no Hoare annotation was computed. [2018-11-23 08:32:10,091 INFO L448 ceAbstractionStarter]: For program point L213(line 213) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point L209-2(line 209) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_89ENTRY(lines 188 243) the Hoare annotation is: true [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_89EXIT(lines 188 243) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 203) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point L197-2(lines 197 203) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 196) no Hoare annotation was computed. [2018-11-23 08:32:10,092 INFO L448 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2018-11-23 08:32:10,094 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-23 08:32:10,094 INFO L448 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-23 08:32:10,094 INFO L448 ceAbstractionStarter]: For program point L206-2(line 206) no Hoare annotation was computed. [2018-11-23 08:32:10,094 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 236) no Hoare annotation was computed. [2018-11-23 08:32:10,094 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_89FINAL(lines 188 243) no Hoare annotation was computed. [2018-11-23 08:32:10,094 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 229 241) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L215-2(line 215) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L199(lines 199 202) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 227) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L448 ceAbstractionStarter]: For program point L212-2(line 212) no Hoare annotation was computed. [2018-11-23 08:32:10,095 INFO L451 ceAbstractionStarter]: At program point L204(lines 204 220) the Hoare annotation is: true [2018-11-23 08:32:10,096 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-11-23 08:32:10,096 INFO L448 ceAbstractionStarter]: For program point L229-2(line 229) no Hoare annotation was computed. [2018-11-23 08:32:10,096 INFO L448 ceAbstractionStarter]: For program point L229-3(line 229) no Hoare annotation was computed. [2018-11-23 08:32:10,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:32:10,096 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 08:32:10,096 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:32:10,096 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:32:10,096 INFO L448 ceAbstractionStarter]: For program point L447(lines 447 450) no Hoare annotation was computed. [2018-11-23 08:32:10,096 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 422 453) the Hoare annotation is: true [2018-11-23 08:32:10,097 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 422 453) no Hoare annotation was computed. [2018-11-23 08:32:10,097 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 422 453) no Hoare annotation was computed. [2018-11-23 08:32:10,097 INFO L451 ceAbstractionStarter]: At program point L452(line 452) the Hoare annotation is: true [2018-11-23 08:32:10,097 INFO L448 ceAbstractionStarter]: For program point L353-2(lines 353 391) no Hoare annotation was computed. [2018-11-23 08:32:10,097 INFO L451 ceAbstractionStarter]: At program point L353-3(lines 353 391) the Hoare annotation is: true [2018-11-23 08:32:10,097 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_97ENTRY(lines 326 394) the Hoare annotation is: true [2018-11-23 08:32:10,097 INFO L451 ceAbstractionStarter]: At program point L366(line 366) the Hoare annotation is: true [2018-11-23 08:32:10,097 INFO L448 ceAbstractionStarter]: For program point L366-1(lines 366 369) no Hoare annotation was computed. [2018-11-23 08:32:10,098 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_97EXIT(lines 326 394) no Hoare annotation was computed. [2018-11-23 08:32:10,098 INFO L451 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-23 08:32:10,099 INFO L448 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2018-11-23 08:32:10,099 INFO L448 ceAbstractionStarter]: For program point L371-2(lines 371 388) no Hoare annotation was computed. [2018-11-23 08:32:10,099 INFO L451 ceAbstractionStarter]: At program point L371-3(lines 371 388) the Hoare annotation is: true [2018-11-23 08:32:10,099 INFO L448 ceAbstractionStarter]: For program point L371-4(lines 371 388) no Hoare annotation was computed. [2018-11-23 08:32:10,099 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_97FINAL(lines 326 394) no Hoare annotation was computed. [2018-11-23 08:32:10,099 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 387) no Hoare annotation was computed. [2018-11-23 08:32:10,100 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 392) no Hoare annotation was computed. [2018-11-23 08:32:10,100 INFO L448 ceAbstractionStarter]: For program point L347-2(lines 347 350) no Hoare annotation was computed. [2018-11-23 08:32:10,100 INFO L451 ceAbstractionStarter]: At program point L347-3(lines 347 350) the Hoare annotation is: true [2018-11-23 08:32:10,100 INFO L448 ceAbstractionStarter]: For program point L347-4(lines 327 394) no Hoare annotation was computed. [2018-11-23 08:32:10,100 INFO L451 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2018-11-23 08:32:10,100 INFO L448 ceAbstractionStarter]: For program point L360-1(lines 360 363) no Hoare annotation was computed. [2018-11-23 08:32:10,100 INFO L451 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: true [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L356-1(lines 356 359) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L451 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: true [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 373 376) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point avoid_zeroEXIT(lines 4 10) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L6(lines 6 9) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L451 ceAbstractionStarter]: At program point avoid_zeroENTRY(lines 4 10) the Hoare annotation is: true [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L6-2(lines 4 10) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 454 461) the Hoare annotation is: true [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 454 461) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 459) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L456-2(lines 454 461) no Hoare annotation was computed. [2018-11-23 08:32:10,101 INFO L451 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: true [2018-11-23 08:32:10,101 INFO L448 ceAbstractionStarter]: For program point L285-1(line 285) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 290) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L283-2(lines 283 290) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 282) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_95ENTRY(lines 275 294) the Hoare annotation is: true [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_95EXIT(lines 275 294) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L451 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: true [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L292-1(line 292) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L451 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: true [2018-11-23 08:32:10,102 INFO L444 ceAbstractionStarter]: At program point L293-2(line 293) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L293-3(line 293) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_95FINAL(lines 275 294) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 309) no Hoare annotation was computed. [2018-11-23 08:32:10,102 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_96FINAL(lines 295 325) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 318) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L313-1(lines 311 323) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L311-2(line 311) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L311-3(line 311) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L451 ceAbstractionStarter]: At program point Id_MCDC_96ENTRY(lines 295 325) the Hoare annotation is: true [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L311-5(lines 311 323) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point Id_MCDC_96EXIT(lines 295 325) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L303-1(lines 303 310) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L451 ceAbstractionStarter]: At program point L303-3(lines 303 310) the Hoare annotation is: true [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 302) no Hoare annotation was computed. [2018-11-23 08:32:10,103 INFO L448 ceAbstractionStarter]: For program point L303-4(lines 303 310) no Hoare annotation was computed. [2018-11-23 08:32:10,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:10 BoogieIcfgContainer [2018-11-23 08:32:10,108 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:32:10,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:32:10,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:32:10,109 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:32:10,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:09" (3/4) ... [2018-11-23 08:32:10,112 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:32:10,118 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_92 [2018-11-23 08:32:10,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:32:10,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_100 [2018-11-23 08:32:10,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_99 [2018-11-23 08:32:10,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2018-11-23 08:32:10,119 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:32:10,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_97 [2018-11-23 08:32:10,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2018-11-23 08:32:10,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 08:32:10,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2018-11-23 08:32:10,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_96 [2018-11-23 08:32:10,128 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-23 08:32:10,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-23 08:32:10,129 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-23 08:32:10,130 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:32:10,131 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:32:10,132 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:32:10,209 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db28e51d-d080-47db-9e66-0bb16a38bcb8/bin-2019/uautomizer/witness.graphml [2018-11-23 08:32:10,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:32:10,211 INFO L168 Benchmark]: Toolchain (without parser) took 1801.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 962.3 MB in the end (delta: -6.8 MB). Peak memory consumption was 128.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:32:10,212 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:32:10,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:32:10,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:32:10,212 INFO L168 Benchmark]: Boogie Preprocessor took 36.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:32:10,213 INFO L168 Benchmark]: RCFGBuilder took 610.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:32:10,213 INFO L168 Benchmark]: TraceAbstraction took 701.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 90.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:32:10,213 INFO L168 Benchmark]: Witness Printer took 101.20 ms. Allocated memory is still 1.2 GB. Free memory was 975.7 MB in the beginning and 962.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:32:10,215 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 610.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 701.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 90.4 MB). Peak memory consumption was 90.4 MB. Max. memory is 11.5 GB. * Witness Printer took 101.20 ms. Allocated memory is still 1.2 GB. Free memory was 975.7 MB in the beginning and 962.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 347]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 353]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 371]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 129 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 337 SDtfs, 5 SDslu, 475 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 83 PreInvPairs, 99 NumberOfFragments, 34 HoareAnnotationTreeSize, 83 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 3696 SizeOfPredicates, 4 NumberOfNonLiveVariables, 524 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...