./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN --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 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 --- 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-6b4ec56 [2022-11-20 12:39:20,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:39:20,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:39:20,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:39:20,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:39:20,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:39:20,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:39:20,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:39:20,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:39:20,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:39:20,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:39:20,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:39:20,594 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:39:20,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:39:20,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:39:20,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:39:20,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:39:20,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:39:20,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:39:20,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:39:20,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:39:20,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:39:20,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:39:20,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:39:20,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:39:20,633 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:39:20,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:39:20,639 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:39:20,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:39:20,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:39:20,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:39:20,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:39:20,642 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:39:20,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:39:20,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:39:20,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:39:20,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:39:20,649 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:39:20,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:39:20,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:39:20,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:39:20,655 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 12:39:20,690 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:39:20,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:39:20,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:39:20,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:39:20,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:39:20,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:39:20,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:39:20,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:39:20,699 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:39:20,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:39:20,700 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:39:20,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:39:20,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:39:20,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:39:20,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:39:20,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:39:20,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:39:20,702 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:39:20,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:39:20,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:39:20,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:39:20,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:39:20,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:39:20,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:39:20,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:20,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:39:20,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:39:20,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:39:20,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:39:20,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:39:20,704 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:39:20,704 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:39:20,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:39:20,705 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_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 [2022-11-20 12:39:20,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:39:21,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:39:21,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:39:21,041 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:39:21,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:39:21,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-11-20 12:39:24,101 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:39:24,408 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:39:24,409 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-11-20 12:39:24,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data/64cccffe3/5086723519d74fc8a3116a7f2c1a74b9/FLAGac7f8cc70 [2022-11-20 12:39:24,441 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data/64cccffe3/5086723519d74fc8a3116a7f2c1a74b9 [2022-11-20 12:39:24,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:39:24,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:39:24,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:24,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:39:24,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:39:24,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e29759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24, skipping insertion in model container [2022-11-20 12:39:24,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,464 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:39:24,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:39:24,674 WARN L237 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_d86ea764-f00b-455d-8b45-d0b8ebf98860/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2022-11-20 12:39:24,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:24,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:39:24,716 WARN L237 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_d86ea764-f00b-455d-8b45-d0b8ebf98860/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2022-11-20 12:39:24,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:24,733 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:39:24,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24 WrapperNode [2022-11-20 12:39:24,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:24,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:24,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:39:24,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:39:24,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,789 INFO L138 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-20 12:39:24,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:24,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:39:24,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:39:24,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:39:24,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:39:24,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:39:24,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:39:24,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:39:24,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (1/1) ... [2022-11-20 12:39:24,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:24,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:39:24,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:39:24,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:39:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:39:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:39:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:39:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:39:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-20 12:39:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-20 12:39:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:39:24,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:39:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:39:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-20 12:39:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:39:24,990 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:39:24,992 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:39:25,273 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:39:25,280 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:39:25,280 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-20 12:39:25,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:25 BoogieIcfgContainer [2022-11-20 12:39:25,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:39:25,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:39:25,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:39:25,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:39:25,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:39:24" (1/3) ... [2022-11-20 12:39:25,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6489dded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:25, skipping insertion in model container [2022-11-20 12:39:25,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:24" (2/3) ... [2022-11-20 12:39:25,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6489dded and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:25, skipping insertion in model container [2022-11-20 12:39:25,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:25" (3/3) ... [2022-11-20 12:39:25,291 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2022-11-20 12:39:25,311 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:39:25,311 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:39:25,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:39:25,397 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;@1badf585, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:39:25,398 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:39:25,402 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) [2022-11-20 12:39:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:39:25,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:25,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:25,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:25,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:25,431 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-20 12:39:25,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:39:25,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487196648] [2022-11-20 12:39:25,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:25,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:39:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:39:25,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:39:25,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487196648] [2022-11-20 12:39:25,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487196648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:25,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:25,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:39:25,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862243828] [2022-11-20 12:39:25,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:25,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:39:25,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:39:25,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:39:25,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:39:25,744 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-20 12:39:25,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:25,782 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-20 12:39:25,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:39:25,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) Word has length 10 [2022-11-20 12:39:25,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:25,796 INFO L225 Difference]: With dead ends: 82 [2022-11-20 12:39:25,796 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 12:39:25,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:39:25,805 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:25,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:39:25,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 12:39:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 12:39:25,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-20 12:39:25,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-20 12:39:25,851 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-20 12:39:25,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:25,852 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 12:39:25,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-20 12:39:25,853 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 12:39:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:39:25,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:25,855 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:25,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:39:25,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:25,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:25,860 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-20 12:39:25,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:39:25,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285004132] [2022-11-20 12:39:25,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:25,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:39:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:39:26,033 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:39:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:39:26,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:39:26,209 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:39:26,211 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:39:26,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:39:26,247 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-20 12:39:26,250 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:39:26,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:39:26 BoogieIcfgContainer [2022-11-20 12:39:26,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:39:26,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:39:26,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:39:26,298 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:39:26,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:25" (3/4) ... [2022-11-20 12:39:26,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:39:26,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:39:26,303 INFO L158 Benchmark]: Toolchain (without parser) took 1855.21ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 146.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2022-11-20 12:39:26,303 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:39:26,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.07ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 138.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:39:26,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.23ms. Allocated memory is still 180.4MB. Free memory was 138.0MB in the beginning and 135.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:39:26,310 INFO L158 Benchmark]: Boogie Preprocessor took 34.16ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:26,310 INFO L158 Benchmark]: RCFGBuilder took 456.95ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 116.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:39:26,311 INFO L158 Benchmark]: TraceAbstraction took 1012.77ms. Allocated memory is still 180.4MB. Free memory was 115.5MB in the beginning and 147.4MB in the end (delta: -32.0MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-20 12:39:26,311 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 146.6MB in the end (delta: 846.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:39:26,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.07ms. Allocated memory is still 180.4MB. Free memory was 149.8MB in the beginning and 138.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.23ms. Allocated memory is still 180.4MB. Free memory was 138.0MB in the beginning and 135.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.16ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 133.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.95ms. Allocated memory is still 180.4MB. Free memory was 133.4MB in the beginning and 116.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1012.77ms. Allocated memory is still 180.4MB. Free memory was 115.5MB in the beginning and 147.4MB in the end (delta: -32.0MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 180.4MB. Free memory was 147.4MB in the beginning and 146.6MB in the end (delta: 846.9kB). 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: 125]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L119] float x = 1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=6434062350, \old(y)=6434062348, one_fmod=1, x=6434062350, y=6434062348, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=6434062350, \old(y)=6434062348, hx=2139095040, hy=2139095041, one_fmod=1, sx=2139095040, x=6434062350, y=6434062348, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=6434062350, \old(y)=6434062348, hx=2139095040, hy=2139095041, one_fmod=1, sx=2139095040, x=6434062350, y=6434062348, Zero_fmod={4:0}] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\old(x)=6434062349, \result=0, one_fmod=1, x=6434062349, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=6434062349, x=6434062350, y=6434062348, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 57 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-20 12:39:26,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN --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 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 --- 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-6b4ec56 [2022-11-20 12:39:28,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:39:28,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:39:28,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:39:28,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:39:28,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:39:28,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:39:28,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:39:28,822 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:39:28,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:39:28,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:39:28,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:39:28,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:39:28,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:39:28,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:39:28,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:39:28,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:39:28,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:39:28,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:39:28,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:39:28,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:39:28,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:39:28,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:39:28,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:39:28,856 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:39:28,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:39:28,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:39:28,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:39:28,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:39:28,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:39:28,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:39:28,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:39:28,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:39:28,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:39:28,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:39:28,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:39:28,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:39:28,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:39:28,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:39:28,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:39:28,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:39:28,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-20 12:39:28,941 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:39:28,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:39:28,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:39:28,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:39:28,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:39:28,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:39:28,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:39:28,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:39:28,945 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:39:28,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:39:28,945 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:39:28,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:39:28,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:39:28,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:39:28,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:39:28,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:39:28,946 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:39:28,947 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:39:28,947 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:39:28,947 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:39:28,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:39:28,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:39:28,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:39:28,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:39:28,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:39:28,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:39:28,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:28,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:39:28,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:39:28,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:39:28,949 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:39:28,950 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:39:28,950 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:39:28,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:39:28,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:39:28,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:39:28,953 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_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d6107924de66a58b91836187b6b12fed7ff2a1cca830501395e849f6954c14 [2022-11-20 12:39:29,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:39:29,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:39:29,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:39:29,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:39:29,334 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:39:29,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-11-20 12:39:32,402 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:39:32,644 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:39:32,644 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c [2022-11-20 12:39:32,656 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data/d3cc6e16f/5809738a59d24d4d9261cfdaacee9342/FLAG765250c62 [2022-11-20 12:39:32,670 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/data/d3cc6e16f/5809738a59d24d4d9261cfdaacee9342 [2022-11-20 12:39:32,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:39:32,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:39:32,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:32,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:39:32,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:39:32,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:32" (1/1) ... [2022-11-20 12:39:32,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531efacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:32, skipping insertion in model container [2022-11-20 12:39:32,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:39:32" (1/1) ... [2022-11-20 12:39:32,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:39:32,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:39:32,887 WARN L237 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_d86ea764-f00b-455d-8b45-d0b8ebf98860/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2022-11-20 12:39:32,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:32,926 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:39:32,982 WARN L237 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_d86ea764-f00b-455d-8b45-d0b8ebf98860/sv-benchmarks/c/float-newlib/float_req_bl_1122a.c[2725,2738] [2022-11-20 12:39:32,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:39:33,009 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:39:33,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33 WrapperNode [2022-11-20 12:39:33,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:39:33,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:33,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:39:33,011 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:39:33,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,087 INFO L138 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2022-11-20 12:39:33,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:39:33,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:39:33,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:39:33,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:39:33,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:39:33,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:39:33,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:39:33,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:39:33,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (1/1) ... [2022-11-20 12:39:33,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:39:33,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:39:33,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:39:33,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:39:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:39:33,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-20 12:39:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:39:33,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:39:33,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-20 12:39:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:39:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:39:33,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:39:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-20 12:39:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:39:33,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:39:33,391 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:39:33,394 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:39:35,990 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:39:35,997 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:39:35,997 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-11-20 12:39:35,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:35 BoogieIcfgContainer [2022-11-20 12:39:35,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:39:36,002 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:39:36,002 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:39:36,005 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:39:36,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:39:32" (1/3) ... [2022-11-20 12:39:36,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20138de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:36, skipping insertion in model container [2022-11-20 12:39:36,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:39:33" (2/3) ... [2022-11-20 12:39:36,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20138de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:39:36, skipping insertion in model container [2022-11-20 12:39:36,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:35" (3/3) ... [2022-11-20 12:39:36,008 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a.c [2022-11-20 12:39:36,029 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:39:36,029 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:39:36,080 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:39:36,087 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;@41186cb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:39:36,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:39:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) [2022-11-20 12:39:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 12:39:36,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:36,099 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:36,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:36,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:36,106 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2022-11-20 12:39:36,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:36,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072802152] [2022-11-20 12:39:36,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:36,120 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 [2022-11-20 12:39:36,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:36,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:39:36,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:39:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:36,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-20 12:39:36,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:36,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:39:36,456 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:36,457 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:36,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1072802152] [2022-11-20 12:39:36,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1072802152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:36,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:36,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:39:36,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60211141] [2022-11-20 12:39:36,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:36,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 12:39:36,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:36,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 12:39:36,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:39:36,497 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-20 12:39:36,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:36,523 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2022-11-20 12:39:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 12:39:36,526 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) Word has length 10 [2022-11-20 12:39:36,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:36,534 INFO L225 Difference]: With dead ends: 82 [2022-11-20 12:39:36,535 INFO L226 Difference]: Without dead ends: 39 [2022-11-20 12:39:36,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 12:39:36,541 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:36,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:39:36,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-20 12:39:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 12:39:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-20 12:39:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-20 12:39:36,578 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2022-11-20 12:39:36,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:36,578 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 12:39:36,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-20 12:39:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-11-20 12:39:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:39:36,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:36,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:36,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:39:36,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:39:36,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:36,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:36,788 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2022-11-20 12:39:36,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:36,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500213538] [2022-11-20 12:39:36,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:36,794 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 [2022-11-20 12:39:36,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:36,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:39:36,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 (3)] Waiting until timeout for monitored process [2022-11-20 12:39:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:37,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:39:37,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:39:40,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:40,083 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:40,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500213538] [2022-11-20 12:39:40,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500213538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:40,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:40,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:39:40,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953583936] [2022-11-20 12:39:40,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:40,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:39:40,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:40,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:39:40,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:39:40,087 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-11-20 12:39:43,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:43,191 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-11-20 12:39:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:39:43,192 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) Word has length 12 [2022-11-20 12:39:43,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:43,193 INFO L225 Difference]: With dead ends: 45 [2022-11-20 12:39:43,193 INFO L226 Difference]: Without dead ends: 40 [2022-11-20 12:39:43,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:39:43,195 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 50 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:43,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 189 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 10 Unchecked, 1.5s Time] [2022-11-20 12:39:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-20 12:39:43,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2022-11-20 12:39:43,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2022-11-20 12:39:43,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2022-11-20 12:39:43,201 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 12 [2022-11-20 12:39:43,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:43,201 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2022-11-20 12:39:43,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 states have internal predecessors, (12), 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) [2022-11-20 12:39:43,202 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2022-11-20 12:39:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:39:43,202 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:39:43,202 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:39:43,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 (3)] Ended with exit code 0 [2022-11-20 12:39:43,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:39:43,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:39:43,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:39:43,412 INFO L85 PathProgramCache]: Analyzing trace with hash -302456811, now seen corresponding path program 1 times [2022-11-20 12:39:43,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:39:43,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861243852] [2022-11-20 12:39:43,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:39:43,413 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 [2022-11-20 12:39:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:39:43,414 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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) [2022-11-20 12:39:43,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 (4)] Waiting until timeout for monitored process [2022-11-20 12:39:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:39:43,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:39:43,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:39:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:39:43,741 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:39:43,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:39:43,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861243852] [2022-11-20 12:39:43,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [861243852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:39:43,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:39:43,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:39:43,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139996439] [2022-11-20 12:39:43,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:39:43,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:39:43,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:39:43,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:39:43,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:39:43,744 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-20 12:39:43,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:39:43,747 INFO L93 Difference]: Finished difference Result 39 states and 53 transitions. [2022-11-20 12:39:43,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:39:43,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) Word has length 13 [2022-11-20 12:39:43,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:39:43,748 INFO L225 Difference]: With dead ends: 39 [2022-11-20 12:39:43,748 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:39:43,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:39:43,750 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:39:43,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2022-11-20 12:39:43,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:39:43,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:39:43,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2022-11-20 12:39:43,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:39:43,753 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-20 12:39:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:39:43,753 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:39:43,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-11-20 12:39:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:39:43,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:39:43,756 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:39:43,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:39:43,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 [2022-11-20 12:39:43,983 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:39:44,873 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 31) no Hoare annotation was computed. [2022-11-20 12:39:44,873 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 60 65) no Hoare annotation was computed. [2022-11-20 12:39:44,874 INFO L895 garLoopResultBuilder]: At program point L27-1(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 30 23) |ULTIMATE.start_fmod_float_~hx~0#1|) ((_ extract 22 0) |ULTIMATE.start_fmod_float_~hx~0#1|)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:39:44,874 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 31) no Hoare annotation was computed. [2022-11-20 12:39:44,874 INFO L895 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|) [2022-11-20 12:39:44,874 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 75) no Hoare annotation was computed. [2022-11-20 12:39:44,874 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 37) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 67 76) the Hoare annotation is: false [2022-11-20 12:39:44,875 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 80) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L899 garLoopResultBuilder]: For program point L38(lines 38 39) no Hoare annotation was computed. [2022-11-20 12:39:44,875 INFO L902 garLoopResultBuilder]: At program point L129(lines 112 130) the Hoare annotation is: true [2022-11-20 12:39:44,876 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 105) no Hoare annotation was computed. [2022-11-20 12:39:44,876 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2022-11-20 12:39:44,876 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 26) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_fmod_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-20 12:39:44,876 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed. [2022-11-20 12:39:44,876 INFO L899 garLoopResultBuilder]: For program point L48(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:39:44,876 INFO L895 garLoopResultBuilder]: At program point L106(lines 19 107) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_float_~x#1| (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|ULTIMATE.start_fmod_float_~y#1| (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) |ULTIMATE.start_fmod_float_~y#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_float_#res#1|))) [2022-11-20 12:39:44,877 INFO L899 garLoopResultBuilder]: For program point L40(lines 40 41) no Hoare annotation was computed. [2022-11-20 12:39:44,877 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:39:44,877 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 90 94) no Hoare annotation was computed. [2022-11-20 12:39:44,877 INFO L895 garLoopResultBuilder]: At program point L90-2(lines 90 94) the Hoare annotation is: false [2022-11-20 12:39:44,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2022-11-20 12:39:44,877 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2022-11-20 12:39:44,877 INFO L895 garLoopResultBuilder]: At program point L49-3(lines 49 50) the Hoare annotation is: false [2022-11-20 12:39:44,878 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2022-11-20 12:39:44,878 INFO L895 garLoopResultBuilder]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2022-11-20 12:39:44,878 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:39:44,878 INFO L899 garLoopResultBuilder]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2022-11-20 12:39:44,878 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 127) no Hoare annotation was computed. [2022-11-20 12:39:44,878 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed. [2022-11-20 12:39:44,878 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:39:44,879 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 76) no Hoare annotation was computed. [2022-11-20 12:39:44,879 INFO L899 garLoopResultBuilder]: For program point L67-3(lines 67 76) no Hoare annotation was computed. [2022-11-20 12:39:44,879 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-20 12:39:44,879 INFO L895 garLoopResultBuilder]: At program point L84-2(lines 84 87) the Hoare annotation is: false [2022-11-20 12:39:44,879 INFO L899 garLoopResultBuilder]: For program point L84-3(lines 19 107) no Hoare annotation was computed. [2022-11-20 12:39:44,879 INFO L899 garLoopResultBuilder]: For program point L43-2(lines 43 44) no Hoare annotation was computed. [2022-11-20 12:39:44,879 INFO L895 garLoopResultBuilder]: At program point L43-3(lines 43 44) the Hoare annotation is: false [2022-11-20 12:39:44,883 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-20 12:39:44,885 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:39:44,899 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,901 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,901 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,902 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,902 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,902 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,904 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,907 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,910 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:44,912 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,914 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,914 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,916 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,916 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,916 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,917 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:44,917 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,917 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,917 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,917 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:44,918 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,924 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,924 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,924 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,925 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,925 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:44,925 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,925 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,925 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:44,926 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:44,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:39:44 BoogieIcfgContainer [2022-11-20 12:39:44,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:39:44,927 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:39:44,927 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:39:44,928 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:39:44,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:39:35" (3/4) ... [2022-11-20 12:39:44,931 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:39:44,949 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-20 12:39:44,950 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 12:39:44,951 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 12:39:44,951 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:39:44,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-20 12:39:44,983 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:39:44,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:39:44,984 INFO L158 Benchmark]: Toolchain (without parser) took 12310.04ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 66.0MB in the end (delta: -22.0MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,984 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:39:44,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.34ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 31.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.49ms. Allocated memory is still 67.1MB. Free memory was 31.0MB in the beginning and 29.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,985 INFO L158 Benchmark]: Boogie Preprocessor took 84.09ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 28.9MB in the beginning and 77.4MB in the end (delta: -48.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,986 INFO L158 Benchmark]: RCFGBuilder took 2823.88ms. Allocated memory is still 96.5MB. Free memory was 77.4MB in the beginning and 59.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,986 INFO L158 Benchmark]: TraceAbstraction took 8924.99ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 68.2MB in the end (delta: -9.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,986 INFO L158 Benchmark]: Witness Printer took 55.66ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:39:44,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.34ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 31.0MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.49ms. Allocated memory is still 67.1MB. Free memory was 31.0MB in the beginning and 29.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.09ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 28.9MB in the beginning and 77.4MB in the end (delta: -48.5MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2823.88ms. Allocated memory is still 96.5MB. Free memory was 77.4MB in the beginning and 59.8MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8924.99ms. Allocated memory is still 96.5MB. Free memory was 59.0MB in the beginning and 68.2MB in the end (delta: -9.2MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Witness Printer took 55.66ms. Allocated memory is still 96.5MB. Free memory was 68.2MB in the beginning and 66.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] * 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 - PositiveResult [Line: 125]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 256 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 13 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 109 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 85 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 7 QuantifiedInterpolants, 204 SizeOfPredicates, 17 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-11-20 12:39:45,017 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,018 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,018 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,018 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,018 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,019 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant [2022-11-20 12:39:45,019 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,019 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,019 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,020 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,020 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-20 12:39:45,020 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant [2022-11-20 12:39:45,022 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,022 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,024 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,024 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,024 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,024 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:45,025 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,025 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,025 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,025 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:45,026 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,026 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,026 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,028 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,028 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,028 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] [2022-11-20 12:39:45,028 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,028 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,029 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-20 12:39:45,029 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_float_~y#1,QUANTIFIED] Derived loop invariant: (x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start_fmod_float_~y#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y#1), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_float_~y#1)) == \result) RESULT: Ultimate proved your program to be correct! [2022-11-20 12:39:45,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d86ea764-f00b-455d-8b45-d0b8ebf98860/bin/uautomizer-ug76WZFUDN/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 Result: TRUE