./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 e04fb08f 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_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 12:49:06,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:49:06,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:49:06,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:49:06,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:49:06,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:49:06,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:49:06,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:49:06,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:49:06,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:49:06,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:49:06,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:49:06,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:49:06,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:49:06,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:49:06,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:49:06,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:49:06,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:49:06,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:49:06,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:49:06,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:49:06,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:49:06,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:49:06,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:49:06,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:49:06,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:49:06,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:49:06,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:49:06,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:49:06,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:49:06,364 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:49:06,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:49:06,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:49:06,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:49:06,371 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:49:06,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:49:06,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:49:06,374 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:49:06,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:49:06,375 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:49:06,376 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:49:06,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:49:06,419 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:49:06,419 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:49:06,420 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:49:06,420 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:49:06,421 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:49:06,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:49:06,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:49:06,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:49:06,423 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:49:06,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:49:06,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:49:06,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:49:06,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:49:06,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:49:06,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:49:06,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:49:06,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:49:06,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:49:06,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:49:06,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:49:06,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:49:06,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:49:06,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:49:06,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:49:06,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:49:06,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:49:06,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:49:06,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:49:06,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:49:06,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:49:06,430 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:49:06,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:49:06,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:49:06,431 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_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-11-16 12:49:06,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:49:06,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:49:06,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:49:06,775 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:49:06,792 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:49:06,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-16 12:49:06,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/dca80ecce/7a26a331a50a4568bca542ea5104d1a4/FLAGb9065bd41 [2022-11-16 12:49:07,365 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:49:07,366 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-16 12:49:07,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/dca80ecce/7a26a331a50a4568bca542ea5104d1a4/FLAGb9065bd41 [2022-11-16 12:49:07,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/dca80ecce/7a26a331a50a4568bca542ea5104d1a4 [2022-11-16 12:49:07,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:49:07,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:49:07,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:49:07,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:49:07,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:49:07,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:49:07" (1/1) ... [2022-11-16 12:49:07,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae9169d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:07, skipping insertion in model container [2022-11-16 12:49:07,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:49:07" (1/1) ... [2022-11-16 12:49:07,781 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:49:07,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:49:08,007 WARN L229 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_c65b2aae-6814-42ad-88aa-44263931cf75/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-16 12:49:08,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:49:08,021 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:49:08,034 WARN L229 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_c65b2aae-6814-42ad-88aa-44263931cf75/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-16 12:49:08,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:49:08,048 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:49:08,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08 WrapperNode [2022-11-16 12:49:08,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:49:08,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:49:08,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:49:08,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:49:08,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,079 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-16 12:49:08,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:49:08,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:49:08,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:49:08,080 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:49:08,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,094 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:49:08,098 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:49:08,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:49:08,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:49:08,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (1/1) ... [2022-11-16 12:49:08,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:49:08,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:49:08,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:49:08,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:49:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:49:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:49:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:49:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:49:08,238 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:49:08,240 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:49:08,322 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:49:08,328 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:49:08,328 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:49:08,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:08 BoogieIcfgContainer [2022-11-16 12:49:08,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:49:08,334 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:49:08,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:49:08,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:49:08,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:49:07" (1/3) ... [2022-11-16 12:49:08,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d050c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:49:08, skipping insertion in model container [2022-11-16 12:49:08,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:08" (2/3) ... [2022-11-16 12:49:08,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d050c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:49:08, skipping insertion in model container [2022-11-16 12:49:08,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:08" (3/3) ... [2022-11-16 12:49:08,342 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-11-16 12:49:08,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:49:08,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:49:08,424 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:49:08,432 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;@4c364e6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:49:08,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:49:08,438 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) [2022-11-16 12:49:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 12:49:08,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:08,447 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 12:49:08,448 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:08,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:08,455 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-16 12:49:08,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:49:08,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056777907] [2022-11-16 12:49:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:08,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:49:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:49:08,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:49:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:49:08,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:49:08,634 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:49:08,636 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:49:08,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:49:08,645 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 12:49:08,650 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:49:08,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:49:08 BoogieIcfgContainer [2022-11-16 12:49:08,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:49:08,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:49:08,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:49:08,679 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:49:08,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:08" (3/4) ... [2022-11-16 12:49:08,684 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:49:08,685 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:49:08,686 INFO L158 Benchmark]: Toolchain (without parser) took 920.85ms. Allocated memory is still 104.9MB. Free memory was 71.8MB in the beginning and 56.9MB in the end (delta: 14.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-16 12:49:08,689 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:49:08,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.10ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 81.2MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:49:08,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.10ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:49:08,694 INFO L158 Benchmark]: Boogie Preprocessor took 17.25ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.6MB in the end (delta: 942.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:49:08,700 INFO L158 Benchmark]: RCFGBuilder took 233.35ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 70.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:49:08,701 INFO L158 Benchmark]: TraceAbstraction took 341.64ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 57.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:49:08,703 INFO L158 Benchmark]: Witness Printer took 7.32ms. Allocated memory is still 104.9MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:49:08,713 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 79.0MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.10ms. Allocated memory is still 104.9MB. Free memory was 71.5MB in the beginning and 81.2MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.10ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 79.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.25ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.6MB in the end (delta: 942.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 233.35ms. Allocated memory is still 104.9MB. Free memory was 78.6MB in the beginning and 70.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 341.64ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 57.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.32ms. Allocated memory is still 104.9MB. Free memory is still 56.9MB. There was no memory consumed. 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 [2022-11-16 12:49:08,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 12:49:11,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:49:11,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:49:11,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:49:11,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:49:11,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:49:11,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:49:11,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:49:11,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:49:11,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:49:11,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:49:11,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:49:11,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:49:11,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:49:11,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:49:11,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:49:11,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:49:11,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:49:11,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:49:11,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:49:11,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:49:11,350 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:49:11,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:49:11,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:49:11,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:49:11,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:49:11,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:49:11,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:49:11,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:49:11,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:49:11,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:49:11,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:49:11,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:49:11,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:49:11,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:49:11,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:49:11,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:49:11,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:49:11,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:49:11,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:49:11,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:49:11,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 12:49:11,436 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:49:11,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:49:11,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:49:11,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:49:11,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:49:11,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:49:11,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:49:11,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:49:11,442 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:49:11,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:49:11,444 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:49:11,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:49:11,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:49:11,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:49:11,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:49:11,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:49:11,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:49:11,446 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:49:11,447 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:49:11,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:49:11,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:49:11,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:49:11,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:49:11,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:49:11,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:49:11,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:49:11,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:49:11,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:49:11,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:49:11,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:49:11,451 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:49:11,451 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:49:11,452 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:49:11,452 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:49:11,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:49:11,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:49:11,453 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_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 197e06cdc19dadc7ee995542a4677229fc9518691d9357ae11526a5e91dbad37 [2022-11-16 12:49:11,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:49:12,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:49:12,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:49:12,007 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:49:12,008 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:49:12,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-16 12:49:12,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/a20ab38e5/79b20418636d41fabf44b732bbc6657b/FLAG40f854e48 [2022-11-16 12:49:12,621 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:49:12,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c [2022-11-16 12:49:12,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/a20ab38e5/79b20418636d41fabf44b732bbc6657b/FLAG40f854e48 [2022-11-16 12:49:13,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/data/a20ab38e5/79b20418636d41fabf44b732bbc6657b [2022-11-16 12:49:13,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:49:13,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:49:13,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:49:13,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:49:13,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:49:13,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,024 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eced888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13, skipping insertion in model container [2022-11-16 12:49:13,024 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:49:13,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:49:13,214 WARN L229 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_c65b2aae-6814-42ad-88aa-44263931cf75/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-16 12:49:13,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:49:13,241 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:49:13,264 WARN L229 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_c65b2aae-6814-42ad-88aa-44263931cf75/sv-benchmarks/c/bitvector-regression/implicitfloatconversion.c[371,384] [2022-11-16 12:49:13,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:49:13,290 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:49:13,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13 WrapperNode [2022-11-16 12:49:13,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:49:13,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:49:13,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:49:13,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:49:13,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,338 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-16 12:49:13,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:49:13,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:49:13,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:49:13,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:49:13,350 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,383 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:49:13,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:49:13,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:49:13,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:49:13,394 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (1/1) ... [2022-11-16 12:49:13,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:49:13,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:49:13,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:49:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:49:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:49:13,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:49:13,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:49:13,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 12:49:13,583 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:49:13,586 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:49:13,752 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:49:13,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:49:13,760 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:49:13,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:13 BoogieIcfgContainer [2022-11-16 12:49:13,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:49:13,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:49:13,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:49:13,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:49:13,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:49:13" (1/3) ... [2022-11-16 12:49:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ed1e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:49:13, skipping insertion in model container [2022-11-16 12:49:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:49:13" (2/3) ... [2022-11-16 12:49:13,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ed1e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:49:13, skipping insertion in model container [2022-11-16 12:49:13,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:13" (3/3) ... [2022-11-16 12:49:13,776 INFO L112 eAbstractionObserver]: Analyzing ICFG implicitfloatconversion.c [2022-11-16 12:49:13,804 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:49:13,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:49:13,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:49:13,907 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;@59054564, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:49:13,908 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:49:13,913 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) [2022-11-16 12:49:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 12:49:13,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:49:13,921 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 12:49:13,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:49:13,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:49:13,930 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-16 12:49:13,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:49:13,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897159078] [2022-11-16 12:49:13,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:49:13,945 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 [2022-11-16 12:49:13,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:49:13,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 12:49:13,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:49:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:49:14,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:49:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:49:14,096 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-16 12:49:14,098 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:49:14,100 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:49:14,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 12:49:14,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 12:49:14,321 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 12:49:14,326 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:49:14,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:49:14 BoogieIcfgContainer [2022-11-16 12:49:14,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:49:14,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:49:14,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:49:14,352 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:49:14,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:49:13" (3/4) ... [2022-11-16 12:49:14,355 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 12:49:14,392 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:49:14,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:49:14,394 INFO L158 Benchmark]: Toolchain (without parser) took 1381.95ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 40.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-16 12:49:14,394 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:49:14,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.33ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 66.0MB in the end (delta: -19.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2022-11-16 12:49:14,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.40ms. Allocated memory is still 81.8MB. Free memory was 66.0MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:49:14,396 INFO L158 Benchmark]: Boogie Preprocessor took 50.95ms. Allocated memory is still 81.8MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:49:14,397 INFO L158 Benchmark]: RCFGBuilder took 371.27ms. Allocated memory is still 81.8MB. Free memory was 63.2MB in the beginning and 54.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:49:14,398 INFO L158 Benchmark]: TraceAbstraction took 581.43ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 42.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:49:14,398 INFO L158 Benchmark]: Witness Printer took 42.96ms. Allocated memory is still 81.8MB. Free memory was 41.8MB in the beginning and 40.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:49:14,402 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 81.8MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.33ms. Allocated memory is still 81.8MB. Free memory was 46.3MB in the beginning and 66.0MB in the end (delta: -19.7MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.40ms. Allocated memory is still 81.8MB. Free memory was 66.0MB in the beginning and 64.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.95ms. Allocated memory is still 81.8MB. Free memory was 64.7MB in the beginning and 63.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 371.27ms. Allocated memory is still 81.8MB. Free memory was 63.2MB in the beginning and 54.5MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 581.43ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 42.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 42.96ms. Allocated memory is still 81.8MB. Free memory was 41.8MB in the beginning and 40.2MB in the end (delta: 1.6MB). 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! [2022-11-16 12:49:14,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c65b2aae-6814-42ad-88aa-44263931cf75/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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