./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 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:09:56,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:09:56,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:09:57,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:09:57,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:09:57,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:09:57,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:09:57,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:09:57,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:09:57,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:09:57,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:09:57,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:09:57,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:09:57,066 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:09:57,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:09:57,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:09:57,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:09:57,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:09:57,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:09:57,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:09:57,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:09:57,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:09:57,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:09:57,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:09:57,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:09:57,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:09:57,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:09:57,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:09:57,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:09:57,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:09:57,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:09:57,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:09:57,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:09:57,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:09:57,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:09:57,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:09:57,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:09:57,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:09:57,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:09:57,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:09:57,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:09:57,127 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 21:09:57,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:09:57,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:09:57,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:09:57,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:09:57,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:09:57,184 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:09:57,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:09:57,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:09:57,185 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:09:57,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:09:57,186 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:09:57,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 21:09:57,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:09:57,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:09:57,187 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:09:57,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:09:57,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:09:57,187 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:09:57,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:09:57,188 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:09:57,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:09:57,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:09:57,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:09:57,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:09:57,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:09:57,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:09:57,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:09:57,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:09:57,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 21:09:57,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 21:09:57,190 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:09:57,193 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:09:57,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:09:57,193 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_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-11-18 21:09:57,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:09:57,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:09:57,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:09:57,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:09:57,568 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:09:57,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-18 21:09:57,694 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/1266ba893/59d8bbcfab7a4aa1870e882cc505b47f/FLAG7e316d1ab [2022-11-18 21:09:58,366 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:09:58,366 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-18 21:09:58,385 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/1266ba893/59d8bbcfab7a4aa1870e882cc505b47f/FLAG7e316d1ab [2022-11-18 21:09:58,739 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/1266ba893/59d8bbcfab7a4aa1870e882cc505b47f [2022-11-18 21:09:58,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:09:58,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:09:58,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:58,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:09:58,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:09:58,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:58" (1/1) ... [2022-11-18 21:09:58,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a4fbcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:58, skipping insertion in model container [2022-11-18 21:09:58,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:09:58" (1/1) ... [2022-11-18 21:09:58,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:09:58,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:09:59,045 WARN L234 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_9736fa41-7ea5-41c3-bb79-306f96b9b333/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-18 21:09:59,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:59,063 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:09:59,079 WARN L234 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_9736fa41-7ea5-41c3-bb79-306f96b9b333/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-18 21:09:59,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:09:59,095 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:09:59,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59 WrapperNode [2022-11-18 21:09:59,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:09:59,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:59,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:09:59,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:09:59,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,138 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-18 21:09:59,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:09:59,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:09:59,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:09:59,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:09:59,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:09:59,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:09:59,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:09:59,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:09:59,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (1/1) ... [2022-11-18 21:09:59,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:09:59,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:09:59,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:09:59,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:09:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:09:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:09:59,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:09:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 21:09:59,354 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:09:59,357 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:09:59,489 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:09:59,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:09:59,497 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:09:59,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:59 BoogieIcfgContainer [2022-11-18 21:09:59,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:09:59,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:09:59,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:09:59,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:09:59,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:09:58" (1/3) ... [2022-11-18 21:09:59,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40761863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:09:59, skipping insertion in model container [2022-11-18 21:09:59,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:09:59" (2/3) ... [2022-11-18 21:09:59,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40761863 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:09:59, skipping insertion in model container [2022-11-18 21:09:59,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:59" (3/3) ... [2022-11-18 21:09:59,513 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-11-18 21:09:59,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:09:59,546 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:09:59,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:09:59,619 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a56696b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:09:59,619 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:09:59,624 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) [2022-11-18 21:09:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 21:09:59,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:09:59,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 21:09:59,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:09:59,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:09:59,639 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-18 21:09:59,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 21:09:59,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61972704] [2022-11-18 21:09:59,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:09:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 21:09:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:09:59,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:09:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:09:59,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 21:09:59,783 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:09:59,785 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:09:59,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 21:09:59,793 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 21:09:59,799 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:09:59,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:09:59 BoogieIcfgContainer [2022-11-18 21:09:59,819 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:09:59,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:09:59,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:09:59,821 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:09:59,821 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:09:59" (3/4) ... [2022-11-18 21:09:59,825 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 21:09:59,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:09:59,827 INFO L158 Benchmark]: Toolchain (without parser) took 1077.39ms. Allocated memory is still 132.1MB. Free memory was 98.7MB in the beginning and 84.0MB in the end (delta: 14.8MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-18 21:09:59,828 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:59,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 132.1MB. Free memory was 98.7MB in the beginning and 108.1MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:09:59,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 132.1MB. Free memory was 108.1MB in the beginning and 106.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:59,832 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 132.1MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 979.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:09:59,839 INFO L158 Benchmark]: RCFGBuilder took 332.46ms. Allocated memory is still 132.1MB. Free memory was 105.6MB in the beginning and 97.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:09:59,839 INFO L158 Benchmark]: TraceAbstraction took 315.85ms. Allocated memory is still 132.1MB. Free memory was 96.6MB in the beginning and 84.5MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 21:09:59,841 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 132.1MB. Free memory was 84.5MB in the beginning and 84.0MB in the end (delta: 483.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:09:59,848 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 51.6MB in the beginning and 51.6MB in the end (delta: 46.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.29ms. Allocated memory is still 132.1MB. Free memory was 98.7MB in the beginning and 108.1MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 132.1MB. Free memory was 108.1MB in the beginning and 106.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 132.1MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 979.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.46ms. Allocated memory is still 132.1MB. Free memory was 105.6MB in the beginning and 97.7MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 315.85ms. Allocated memory is still 132.1MB. Free memory was 96.6MB in the beginning and 84.5MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 132.1MB. Free memory was 84.5MB in the beginning and 84.0MB in the end (delta: 483.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 VAL [i=1] [L12] reach_error() VAL [i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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 [2022-11-18 21:09:59,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 21:10:02,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 21:10:02,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 21:10:02,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 21:10:02,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 21:10:02,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 21:10:02,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 21:10:02,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 21:10:02,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 21:10:02,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 21:10:02,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 21:10:02,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 21:10:02,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 21:10:02,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 21:10:02,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 21:10:02,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 21:10:02,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 21:10:02,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 21:10:02,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 21:10:02,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 21:10:02,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 21:10:02,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 21:10:02,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 21:10:02,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 21:10:02,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 21:10:02,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 21:10:02,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 21:10:02,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 21:10:02,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 21:10:02,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 21:10:02,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 21:10:02,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 21:10:02,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 21:10:02,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 21:10:02,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 21:10:02,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 21:10:02,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 21:10:02,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 21:10:02,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 21:10:02,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 21:10:02,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 21:10:02,710 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-18 21:10:02,763 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 21:10:02,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 21:10:02,770 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 21:10:02,770 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 21:10:02,771 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 21:10:02,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 21:10:02,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 21:10:02,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 21:10:02,774 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 21:10:02,774 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 21:10:02,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 21:10:02,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 21:10:02,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 21:10:02,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 21:10:02,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 21:10:02,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 21:10:02,777 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 21:10:02,777 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 21:10:02,778 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 21:10:02,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 21:10:02,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 21:10:02,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 21:10:02,779 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 21:10:02,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 21:10:02,779 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 21:10:02,780 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 21:10:02,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:10:02,780 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 21:10:02,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 21:10:02,781 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 21:10:02,782 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 21:10:02,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 21:10:02,782 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 21:10:02,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 21:10:02,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 21:10:02,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 21:10:02,783 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_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-11-18 21:10:03,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 21:10:03,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 21:10:03,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 21:10:03,285 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 21:10:03,286 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 21:10:03,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-18 21:10:03,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/4cb2a28f1/1eba32ddb3d048bbaaa3d4fd75377443/FLAG090da79a4 [2022-11-18 21:10:04,009 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 21:10:04,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-18 21:10:04,018 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/4cb2a28f1/1eba32ddb3d048bbaaa3d4fd75377443/FLAG090da79a4 [2022-11-18 21:10:04,387 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/data/4cb2a28f1/1eba32ddb3d048bbaaa3d4fd75377443 [2022-11-18 21:10:04,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 21:10:04,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 21:10:04,400 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 21:10:04,400 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 21:10:04,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 21:10:04,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36747d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04, skipping insertion in model container [2022-11-18 21:10:04,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 21:10:04,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 21:10:04,633 WARN L234 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_9736fa41-7ea5-41c3-bb79-306f96b9b333/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-18 21:10:04,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:10:04,654 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 21:10:04,690 WARN L234 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_9736fa41-7ea5-41c3-bb79-306f96b9b333/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-18 21:10:04,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 21:10:04,739 INFO L208 MainTranslator]: Completed translation [2022-11-18 21:10:04,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04 WrapperNode [2022-11-18 21:10:04,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 21:10:04,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 21:10:04,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 21:10:04,741 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 21:10:04,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,778 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-18 21:10:04,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 21:10:04,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 21:10:04,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 21:10:04,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 21:10:04,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 21:10:04,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 21:10:04,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 21:10:04,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 21:10:04,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (1/1) ... [2022-11-18 21:10:04,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 21:10:04,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 21:10:04,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 21:10:04,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 21:10:04,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 21:10:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 21:10:04,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 21:10:04,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 21:10:05,011 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 21:10:05,014 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 21:10:05,193 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 21:10:05,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 21:10:05,199 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 21:10:05,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:10:05 BoogieIcfgContainer [2022-11-18 21:10:05,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 21:10:05,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 21:10:05,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 21:10:05,208 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 21:10:05,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:10:04" (1/3) ... [2022-11-18 21:10:05,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77886e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:10:05, skipping insertion in model container [2022-11-18 21:10:05,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:10:04" (2/3) ... [2022-11-18 21:10:05,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77886e92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:10:05, skipping insertion in model container [2022-11-18 21:10:05,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:10:05" (3/3) ... [2022-11-18 21:10:05,211 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-11-18 21:10:05,233 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 21:10:05,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 21:10:05,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 21:10:05,325 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5adc786b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 21:10:05,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 21:10:05,330 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) [2022-11-18 21:10:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-18 21:10:05,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 21:10:05,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-18 21:10:05,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 21:10:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 21:10:05,345 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-18 21:10:05,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 21:10:05,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200981381] [2022-11-18 21:10:05,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 21:10:05,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:10:05,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 21:10:05,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 21:10:05,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 21:10:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:05,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 21:10:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 21:10:05,508 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 21:10:05,511 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 21:10:05,513 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 21:10:05,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 21:10:05,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 21:10:05,752 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-18 21:10:05,758 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 21:10:05,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:10:05 BoogieIcfgContainer [2022-11-18 21:10:05,782 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 21:10:05,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 21:10:05,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 21:10:05,786 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 21:10:05,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:10:05" (3/4) ... [2022-11-18 21:10:05,790 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 21:10:05,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 21:10:05,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 21:10:05,857 INFO L158 Benchmark]: Toolchain (without parser) took 1460.26ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.2MB in the beginning and 46.0MB in the end (delta: -7.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,858 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.43ms. Allocated memory is still 58.7MB. Free memory was 38.0MB in the beginning and 42.8MB in the end (delta: -4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.27ms. Allocated memory is still 58.7MB. Free memory was 42.8MB in the beginning and 41.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,865 INFO L158 Benchmark]: Boogie Preprocessor took 26.52ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 40.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,866 INFO L158 Benchmark]: RCFGBuilder took 395.24ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 31.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,867 INFO L158 Benchmark]: TraceAbstraction took 578.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 47.5MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 21:10:05,868 INFO L158 Benchmark]: Witness Printer took 69.92ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 21:10:05,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.43ms. Allocated memory is still 58.7MB. Free memory was 38.0MB in the beginning and 42.8MB in the end (delta: -4.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.27ms. Allocated memory is still 58.7MB. Free memory was 42.8MB in the beginning and 41.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.52ms. Allocated memory is still 58.7MB. Free memory was 41.4MB in the beginning and 40.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.24ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 31.6MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 578.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 30.9MB in the beginning and 47.5MB in the end (delta: -16.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 69.92ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 46.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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; VAL [f=1.0, i=1] [L8] COND TRUE i == 1 VAL [f=1.0, i=1] [L12] reach_error() VAL [f=1.0, i=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , 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! [2022-11-18 21:10:05,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9736fa41-7ea5-41c3-bb79-306f96b9b333/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE