./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/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 0165a55c46ef5a57261b602c26894979b70d9ffe ...................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/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 0165a55c46ef5a57261b602c26894979b70d9ffe .............................................................................................................................................................................................................................. 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 0.1.24-6b5699a [2019-11-25 08:57:24,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:24,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:24,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:24,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:24,509 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:24,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:24,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:24,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:24,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:24,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:24,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:24,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:24,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:24,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:24,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:24,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:24,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:24,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:24,527 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:24,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:24,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:24,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:24,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:24,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:24,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:24,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:24,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:24,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:24,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:24,537 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:24,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:24,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:24,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:24,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:24,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:24,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:24,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:24,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:24,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:24,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:24,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:57:24,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:24,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:24,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:24,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:24,557 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:24,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:24,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:24,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:57:24,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:24,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:24,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:57:24,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:57:24,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:57:24,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:24,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:24,560 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:24,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:57:24,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:24,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:24,560 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:57:24,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:57:24,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:24,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:24,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:57:24,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:57:24,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:57:24,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:57:24,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:57:24,562 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2019-11-25 08:57:24,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:24,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:24,703 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:24,704 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:24,704 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:24,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-25 08:57:24,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/75a2f8585/4bdcf9ecd3474755936559ebf9ac66a1/FLAG3c867323b [2019-11-25 08:57:25,176 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:25,177 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-25 08:57:25,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/75a2f8585/4bdcf9ecd3474755936559ebf9ac66a1/FLAG3c867323b [2019-11-25 08:57:25,204 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/75a2f8585/4bdcf9ecd3474755936559ebf9ac66a1 [2019-11-25 08:57:25,207 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:25,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:25,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:25,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:25,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:25,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e94434d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25, skipping insertion in model container [2019-11-25 08:57:25,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:25,245 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:25,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:25,464 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:25,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:25,498 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:25,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25 WrapperNode [2019-11-25 08:57:25,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:25,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:25,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:25,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:25,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:25,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:25,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:25,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:25,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... [2019-11-25 08:57:25,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:25,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:25,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:25,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:25,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/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 [2019-11-25 08:57:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:25,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:25,686 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:25,686 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:57:25,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:25 BoogieIcfgContainer [2019-11-25 08:57:25,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:25,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:57:25,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:57:25,690 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:57:25,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:57:25" (1/3) ... [2019-11-25 08:57:25,691 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2fc373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:25, skipping insertion in model container [2019-11-25 08:57:25,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:25" (2/3) ... [2019-11-25 08:57:25,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2fc373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:25, skipping insertion in model container [2019-11-25 08:57:25,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:25" (3/3) ... [2019-11-25 08:57:25,693 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-25 08:57:25,701 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:57:25,706 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:57:25,715 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:57:25,733 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:57:25,733 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:57:25,733 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:57:25,733 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:25,733 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:25,733 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:57:25,733 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:25,734 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:57:25,745 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2019-11-25 08:57:25,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-25 08:57:25,750 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:25,751 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-25 08:57:25,751 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:25,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:25,755 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-25 08:57:25,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:57:25,761 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045611308] [2019-11-25 08:57:25,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:57:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:25,835 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:57:25,835 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:57:25,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:57:25 BoogieIcfgContainer [2019-11-25 08:57:25,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:57:25,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:25,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:25,846 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:25,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:25" (3/4) ... [2019-11-25 08:57:25,849 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:57:25,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:25,852 INFO L168 Benchmark]: Toolchain (without parser) took 642.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -229.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:25,852 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:25,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -257.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:25,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:25,854 INFO L168 Benchmark]: Boogie Preprocessor took 10.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:25,855 INFO L168 Benchmark]: RCFGBuilder took 150.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:25,856 INFO L168 Benchmark]: TraceAbstraction took 157.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:25,856 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:25,859 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -257.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 150.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 157.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 5, overapproximation of to_real at line 4. Possible FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=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, 3 NumberOfCodeBlocks, 3 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-25 08:57:27,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:57:27,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:57:27,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:57:27,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:57:27,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:57:27,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:57:27,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:57:27,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:57:27,639 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:57:27,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:57:27,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:57:27,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:57:27,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:57:27,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:57:27,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:57:27,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:57:27,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:57:27,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:57:27,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:57:27,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:57:27,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:57:27,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:57:27,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:57:27,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:57:27,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:57:27,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:57:27,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:57:27,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:57:27,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:57:27,671 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:57:27,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:57:27,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:57:27,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:57:27,674 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:57:27,674 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:57:27,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:57:27,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:57:27,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:57:27,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:57:27,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:57:27,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 08:57:27,703 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:57:27,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:57:27,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:57:27,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:57:27,706 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:57:27,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:57:27,707 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:57:27,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:57:27,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:57:27,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:57:27,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:57:27,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:57:27,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-25 08:57:27,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 08:57:27,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 08:57:27,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:57:27,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:57:27,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:57:27,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:57:27,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:57:27,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:57:27,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:57:27,711 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:57:27,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:57:27,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:57:27,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:57:27,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:57:27,712 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 08:57:27,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 08:57:27,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:57:27,713 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 08:57:27,713 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/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 -> 0165a55c46ef5a57261b602c26894979b70d9ffe [2019-11-25 08:57:28,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:57:28,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:57:28,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:57:28,017 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:57:28,018 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:57:28,018 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-25 08:57:28,064 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/d54c3c8a9/63a2deb3384f4404b3d516f2778d9816/FLAGcd1f78527 [2019-11-25 08:57:28,463 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:57:28,463 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2019-11-25 08:57:28,467 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/d54c3c8a9/63a2deb3384f4404b3d516f2778d9816/FLAGcd1f78527 [2019-11-25 08:57:28,479 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/data/d54c3c8a9/63a2deb3384f4404b3d516f2778d9816 [2019-11-25 08:57:28,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:57:28,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:57:28,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:28,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:57:28,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:57:28,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197fd017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28, skipping insertion in model container [2019-11-25 08:57:28,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:57:28,515 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:57:28,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:28,645 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:57:28,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:57:28,670 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:57:28,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28 WrapperNode [2019-11-25 08:57:28,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:57:28,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:28,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:57:28,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:57:28,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:57:28,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:57:28,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:57:28,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:57:28,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... [2019-11-25 08:57:28,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:57:28,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:57:28,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:57:28,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:57:28,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/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 [2019-11-25 08:57:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:57:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:57:28,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:57:28,976 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-25 08:57:28,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:28 BoogieIcfgContainer [2019-11-25 08:57:28,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:57:28,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:57:28,978 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:57:28,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:57:28,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:57:28" (1/3) ... [2019-11-25 08:57:28,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1276f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:28, skipping insertion in model container [2019-11-25 08:57:28,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:57:28" (2/3) ... [2019-11-25 08:57:28,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1276f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:57:28, skipping insertion in model container [2019-11-25 08:57:28,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:28" (3/3) ... [2019-11-25 08:57:28,984 INFO L109 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2019-11-25 08:57:28,992 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:57:28,997 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:57:29,007 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:57:29,029 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:57:29,029 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:57:29,029 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:57:29,029 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:57:29,029 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:57:29,029 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:57:29,029 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:57:29,030 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:57:29,041 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2019-11-25 08:57:29,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-25 08:57:29,045 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:57:29,046 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-25 08:57:29,046 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:57:29,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:57:29,051 INFO L82 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2019-11-25 08:57:29,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-25 08:57:29,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1689776218] [2019-11-25 08:57:29,061 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-25 08:57:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:57:29,125 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-11-25 08:57:29,126 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-25 08:57:29,339 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-25 08:57:29,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:57:29 BoogieIcfgContainer [2019-11-25 08:57:29,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:57:29,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:57:29,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:57:29,368 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:57:29,369 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:57:28" (3/4) ... [2019-11-25 08:57:29,373 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-25 08:57:29,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1144a6f7-f5f8-4d31-a026-90d1fbe6be3b/bin/uautomizer/witness.graphml [2019-11-25 08:57:29,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:57:29,409 INFO L168 Benchmark]: Toolchain (without parser) took 923.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -164.0 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:29,410 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:57:29,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:29,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:29,412 INFO L168 Benchmark]: Boogie Preprocessor took 19.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:29,412 INFO L168 Benchmark]: RCFGBuilder took 204.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:29,413 INFO L168 Benchmark]: TraceAbstraction took 388.22 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:57:29,414 INFO L168 Benchmark]: Witness Printer took 40.82 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. [2019-11-25 08:57:29,417 INFO L335 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 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.19 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -214.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 204.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 388.22 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: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Witness Printer took 40.82 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L4] float f = 1; [L5] int i = f; [L6] COND TRUE i == 1 [L10] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...