./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 ........................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:46:30,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:46:30,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:46:30,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:46:30,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:46:30,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:46:30,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:46:30,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:46:30,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:46:30,592 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:46:30,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:46:30,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:46:30,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:46:30,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:46:30,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:46:30,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:46:30,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:46:30,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:46:30,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:46:30,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:46:30,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:46:30,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:46:30,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:46:30,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:46:30,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:46:30,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:46:30,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:46:30,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:46:30,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:46:30,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:46:30,642 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:46:30,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:46:30,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:46:30,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:46:30,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:46:30,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:46:30,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:46:30,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:46:30,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:46:30,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:46:30,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:46:30,653 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:46:30,699 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:46:30,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:46:30,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:46:30,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:46:30,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:46:30,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:46:30,713 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:46:30,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:46:30,713 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:46:30,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:46:30,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:46:30,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:46:30,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:46:30,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:46:30,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:46:30,716 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:46:30,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:46:30,717 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:46:30,717 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:46:30,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:46:30,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:46:30,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:46:30,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:46:30,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:46:30,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:46:30,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:46:30,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:46:30,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:46:30,719 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:46:30,719 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:46:30,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:46:30,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:46:30,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-10-28 22:46:30,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:46:30,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:46:30,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:46:30,991 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:46:30,993 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:46:30,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 22:46:31,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/36489e0ca/ea3dff77f8184953bd276edfbc29baff/FLAGbbbe719e9 [2021-10-28 22:46:31,555 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:46:31,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 22:46:31,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/36489e0ca/ea3dff77f8184953bd276edfbc29baff/FLAGbbbe719e9 [2021-10-28 22:46:31,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/36489e0ca/ea3dff77f8184953bd276edfbc29baff [2021-10-28 22:46:31,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:46:31,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:46:31,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:31,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:46:31,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:46:31,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:31" (1/1) ... [2021-10-28 22:46:31,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b391e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:31, skipping insertion in model container [2021-10-28 22:46:31,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:31" (1/1) ... [2021-10-28 22:46:31,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:46:31,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:46:32,125 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 22:46:32,129 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:32,138 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:46:32,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 22:46:32,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:32,164 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:46:32,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32 WrapperNode [2021-10-28 22:46:32,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:32,166 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:32,166 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:46:32,166 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:46:32,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:32,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:46:32,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:46:32,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:46:32,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:46:32,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:46:32,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:46:32,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:46:32,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (1/1) ... [2021-10-28 22:46:32,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:46:32,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:32,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:32,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:46:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:46:32,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:46:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:46:32,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:46:32,453 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:46:32,453 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 22:46:32,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:32 BoogieIcfgContainer [2021-10-28 22:46:32,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:46:32,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:46:32,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:46:32,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:46:32,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:46:31" (1/3) ... [2021-10-28 22:46:32,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f982cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:46:32, skipping insertion in model container [2021-10-28 22:46:32,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:32" (2/3) ... [2021-10-28 22:46:32,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f982cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:46:32, skipping insertion in model container [2021-10-28 22:46:32,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:32" (3/3) ... [2021-10-28 22:46:32,465 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-28 22:46:32,470 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:46:32,471 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:46:32,537 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:46:32,544 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:46:32,544 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:46:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-28 22:46:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 22:46:32,560 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:46:32,560 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 22:46:32,561 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:46:32,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:32,566 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 22:46:32,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:46:32,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772778602] [2021-10-28 22:46:32,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:32,577 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:46:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:32,662 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:32,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:46:32,698 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:46:32,700 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:46:32,702 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:46:32,710 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 22:46:32,713 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:46:32,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:46:32 BoogieIcfgContainer [2021-10-28 22:46:32,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:46:32,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:46:32,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:46:32,728 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:46:32,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:32" (3/4) ... [2021-10-28 22:46:32,733 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:46:32,733 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:46:32,736 INFO L168 Benchmark]: Toolchain (without parser) took 805.49 ms. Allocated memory is still 115.3 MB. Free memory was 87.3 MB in the beginning and 65.0 MB in the end (delta: 22.3 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:32,737 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 115.3 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:32,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.53 ms. Allocated memory is still 115.3 MB. Free memory was 87.2 MB in the beginning and 89.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:32,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 88.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:32,743 INFO L168 Benchmark]: Boogie Preprocessor took 17.64 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 87.1 MB in the end (delta: 833.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:32,744 INFO L168 Benchmark]: RCFGBuilder took 241.64 ms. Allocated memory is still 115.3 MB. Free memory was 87.1 MB in the beginning and 78.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:32,745 INFO L168 Benchmark]: TraceAbstraction took 269.76 ms. Allocated memory is still 115.3 MB. Free memory was 78.1 MB in the beginning and 65.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:32,747 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 115.3 MB. Free memory was 65.4 MB in the beginning and 65.0 MB in the end (delta: 358.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:32,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 115.3 MB. Free memory is still 73.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.53 ms. Allocated memory is still 115.3 MB. Free memory was 87.2 MB in the beginning and 89.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.14 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 88.1 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.64 ms. Allocated memory is still 115.3 MB. Free memory was 87.9 MB in the beginning and 87.1 MB in the end (delta: 833.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 241.64 ms. Allocated memory is still 115.3 MB. Free memory was 87.1 MB in the beginning and 78.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 269.76 ms. Allocated memory is still 115.3 MB. Free memory was 78.1 MB in the beginning and 65.4 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.28 ms. Allocated memory is still 115.3 MB. Free memory was 65.4 MB in the beginning and 65.0 MB in the end (delta: 358.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 7, overapproximation of to_real at line 6. Possible FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-28 22:46:32,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:46:35,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:46:35,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:46:35,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:46:35,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:46:35,236 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:46:35,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:46:35,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:46:35,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:46:35,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:46:35,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:46:35,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:46:35,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:46:35,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:46:35,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:46:35,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:46:35,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:46:35,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:46:35,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:46:35,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:46:35,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:46:35,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:46:35,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:46:35,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:46:35,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:46:35,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:46:35,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:46:35,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:46:35,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:46:35,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:46:35,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:46:35,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:46:35,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:46:35,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:46:35,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:46:35,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:46:35,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:46:35,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:46:35,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:46:35,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:46:35,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:46:35,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 22:46:35,335 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:46:35,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:46:35,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:46:35,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:46:35,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:46:35,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:46:35,339 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:46:35,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:46:35,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:46:35,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:46:35,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:46:35,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:46:35,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:46:35,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:46:35,342 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 22:46:35,342 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 22:46:35,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:46:35,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:46:35,343 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:46:35,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:46:35,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:46:35,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:46:35,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:46:35,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:46:35,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:46:35,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:46:35,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:46:35,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 22:46:35,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 22:46:35,346 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:46:35,347 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:46:35,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:46:35,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:46:35,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 22:46:35,348 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2021-10-28 22:46:35,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:46:35,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:46:35,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:46:35,810 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:46:35,811 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:46:35,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 22:46:35,883 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/6d7cbdc1a/ed0ee0d3e0ca4f598f21ab3806921af0/FLAG5f292dbef [2021-10-28 22:46:36,418 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:46:36,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2021-10-28 22:46:36,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/6d7cbdc1a/ed0ee0d3e0ca4f598f21ab3806921af0/FLAG5f292dbef [2021-10-28 22:46:36,755 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/data/6d7cbdc1a/ed0ee0d3e0ca4f598f21ab3806921af0 [2021-10-28 22:46:36,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:46:36,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:46:36,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:36,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:46:36,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:46:36,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:36" (1/1) ... [2021-10-28 22:46:36,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1851b872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:36, skipping insertion in model container [2021-10-28 22:46:36,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:36" (1/1) ... [2021-10-28 22:46:36,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:46:36,797 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:46:36,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 22:46:36,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:37,011 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:46:37,031 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2021-10-28 22:46:37,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:37,051 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:46:37,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37 WrapperNode [2021-10-28 22:46:37,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:37,054 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:37,054 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:46:37,054 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:46:37,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:37,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:46:37,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:46:37,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:46:37,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:46:37,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:46:37,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:46:37,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:46:37,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (1/1) ... [2021-10-28 22:46:37,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:46:37,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:37,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:37,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:46:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:46:37,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:46:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 22:46:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:46:37,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:46:37,431 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-28 22:46:37,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:37 BoogieIcfgContainer [2021-10-28 22:46:37,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:46:37,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:46:37,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:46:37,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:46:37,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:46:36" (1/3) ... [2021-10-28 22:46:37,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26905fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:46:37, skipping insertion in model container [2021-10-28 22:46:37,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:37" (2/3) ... [2021-10-28 22:46:37,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26905fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:46:37, skipping insertion in model container [2021-10-28 22:46:37,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:37" (3/3) ... [2021-10-28 22:46:37,453 INFO L111 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2021-10-28 22:46:37,458 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:46:37,458 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:46:37,504 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:46:37,510 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:46:37,510 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:46:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-28 22:46:37,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-28 22:46:37,527 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:46:37,528 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-28 22:46:37,529 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:46:37,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:46:37,534 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-10-28 22:46:37,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:46:37,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947620837] [2021-10-28 22:46:37,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:46:37,547 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:46:37,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:46:37,550 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:46:37,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 22:46:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:37,701 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:46:37,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:46:37,753 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 22:46:37,755 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:46:37,756 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:46:37,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-10-28 22:46:37,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:46:37,974 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 22:46:37,979 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:46:38,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:46:38 BoogieIcfgContainer [2021-10-28 22:46:38,004 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:46:38,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:46:38,007 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:46:38,008 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:46:38,008 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:37" (3/4) ... [2021-10-28 22:46:38,010 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 22:46:38,055 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:46:38,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:46:38,062 INFO L168 Benchmark]: Toolchain (without parser) took 1292.69 ms. Allocated memory is still 75.5 MB. Free memory was 56.5 MB in the beginning and 44.7 MB in the end (delta: 11.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:38,063 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:38,063 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.57 ms. Allocated memory is still 75.5 MB. Free memory was 56.2 MB in the beginning and 46.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:38,065 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.32 ms. Allocated memory is still 75.5 MB. Free memory was 46.7 MB in the beginning and 45.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:38,065 INFO L168 Benchmark]: Boogie Preprocessor took 34.51 ms. Allocated memory is still 75.5 MB. Free memory was 45.2 MB in the beginning and 44.2 MB in the end (delta: 979.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:38,066 INFO L168 Benchmark]: RCFGBuilder took 311.52 ms. Allocated memory is still 75.5 MB. Free memory was 44.0 MB in the beginning and 35.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:38,069 INFO L168 Benchmark]: TraceAbstraction took 557.92 ms. Allocated memory is still 75.5 MB. Free memory was 57.5 MB in the beginning and 46.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:38,071 INFO L168 Benchmark]: Witness Printer took 50.23 ms. Allocated memory is still 75.5 MB. Free memory was 46.4 MB in the beginning and 45.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:38,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 284.57 ms. Allocated memory is still 75.5 MB. Free memory was 56.2 MB in the beginning and 46.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.32 ms. Allocated memory is still 75.5 MB. Free memory was 46.7 MB in the beginning and 45.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.51 ms. Allocated memory is still 75.5 MB. Free memory was 45.2 MB in the beginning and 44.2 MB in the end (delta: 979.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 311.52 ms. Allocated memory is still 75.5 MB. Free memory was 44.0 MB in the beginning and 35.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 557.92 ms. Allocated memory is still 75.5 MB. Free memory was 57.5 MB in the beginning and 46.4 MB in the end (delta: 11.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 50.23 ms. Allocated memory is still 75.5 MB. Free memory was 46.4 MB in the beginning and 45.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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 - CounterExampleResult [Line: 12]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6] float f = 1; [L7] int i = f; [L8] COND TRUE i == 1 [L12] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 22:46:38,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68adc7a4-d72f-4fcf-a632-aa4941b2d174/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...