./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddc47c0b120f9abfd988f5da3b7d1c3e75cea26e3d49e1cb52dc2ee55e5e9d8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:48,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:48,664 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:11:48,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:48,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:48,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:48,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:48,730 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:48,731 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:48,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:48,732 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:48,733 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:48,733 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:48,734 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:11:48,735 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:48,735 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:48,736 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:11:48,736 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:11:48,737 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:48,738 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:11:48,749 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:11:48,750 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:11:48,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:48,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:48,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:48,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:11:48,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:48,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:48,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:48,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:48,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:48,755 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:48,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:48,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:48,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:48,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:48,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:48,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:48,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:48,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:48,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:48,758 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:11:48,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:11:48,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:48,759 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:48,759 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:48,760 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:48,760 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddc47c0b120f9abfd988f5da3b7d1c3e75cea26e3d49e1cb52dc2ee55e5e9d8c [2023-11-23 21:11:49,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:49,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:49,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:49,035 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:49,035 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:49,037 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i [2023-11-23 21:11:52,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:11:52,557 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:11:52,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i [2023-11-23 21:11:52,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data/f4931a348/dab8c80f15ad420fa4f7fba2dfcf4dfb/FLAG4a2de2d6a [2023-11-23 21:11:52,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data/f4931a348/dab8c80f15ad420fa4f7fba2dfcf4dfb [2023-11-23 21:11:52,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:11:52,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:11:52,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:52,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:11:52,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:11:52,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:52,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b84982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52, skipping insertion in model container [2023-11-23 21:11:52,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:52,646 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:11:52,847 WARN L240 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i[917,930] [2023-11-23 21:11:52,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:52,898 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:11:52,914 WARN L240 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i[917,930] [2023-11-23 21:11:52,937 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:11:52,961 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:11:52,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52 WrapperNode [2023-11-23 21:11:52,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:11:52,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:52,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:11:52,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:11:52,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:52,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,018 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-23 21:11:53,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:11:53,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:11:53,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:11:53,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:11:53,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,030 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:11:53,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:11:53,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:11:53,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:11:53,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (1/1) ... [2023-11-23 21:11:53,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:53,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:11:53,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:11:53,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:11:53,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:11:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:11:53,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:11:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:11:53,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:11:53,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:11:53,232 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:11:53,234 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:11:53,452 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:11:53,612 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:11:53,612 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:11:53,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:53 BoogieIcfgContainer [2023-11-23 21:11:53,614 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:11:53,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:11:53,617 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:11:53,626 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:11:53,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:11:52" (1/3) ... [2023-11-23 21:11:53,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76875e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:53, skipping insertion in model container [2023-11-23 21:11:53,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:11:52" (2/3) ... [2023-11-23 21:11:53,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76875e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:11:53, skipping insertion in model container [2023-11-23 21:11:53,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:53" (3/3) ... [2023-11-23 21:11:53,629 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-93.i [2023-11-23 21:11:53,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:11:53,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:11:53,689 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:11:53,696 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@75f70806, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:11:53,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:11:53,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:11:53,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 21:11:53,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:11:53,712 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:11:53,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:11:53,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:11:53,718 INFO L85 PathProgramCache]: Analyzing trace with hash 1244771287, now seen corresponding path program 1 times [2023-11-23 21:11:53,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:11:53,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255493463] [2023-11-23 21:11:53,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:11:53,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:11:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:54,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:11:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:11:54,199 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:11:54,202 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:11:54,203 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:11:54,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:11:54,211 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:11:54,216 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:11:54,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:11:54 BoogieIcfgContainer [2023-11-23 21:11:54,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:11:54,297 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:11:54,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:11:54,297 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:11:54,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:11:53" (3/4) ... [2023-11-23 21:11:54,300 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:11:54,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:11:54,303 INFO L158 Benchmark]: Toolchain (without parser) took 1706.39ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 133.7MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:54,303 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 165.7MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:54,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.58ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 105.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,308 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.01ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,310 INFO L158 Benchmark]: Boogie Preprocessor took 39.22ms. Allocated memory is still 165.7MB. Free memory was 103.4MB in the beginning and 101.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,310 INFO L158 Benchmark]: RCFGBuilder took 554.69ms. Allocated memory is still 165.7MB. Free memory was 101.9MB in the beginning and 83.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,312 INFO L158 Benchmark]: TraceAbstraction took 679.98ms. Allocated memory is still 165.7MB. Free memory was 82.4MB in the beginning and 134.1MB in the end (delta: -51.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-23 21:11:54,312 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 133.7MB in the end (delta: 298.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:11:54,319 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 165.7MB. Free memory is still 132.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.58ms. Allocated memory is still 165.7MB. Free memory was 118.1MB in the beginning and 105.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.01ms. Allocated memory is still 165.7MB. Free memory was 105.5MB in the beginning and 103.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.22ms. Allocated memory is still 165.7MB. Free memory was 103.4MB in the beginning and 101.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.69ms. Allocated memory is still 165.7MB. Free memory was 101.9MB in the beginning and 83.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 679.98ms. Allocated memory is still 165.7MB. Free memory was 82.4MB in the beginning and 134.1MB in the end (delta: -51.7MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 165.7MB. Free memory was 134.0MB in the beginning and 133.7MB in the end (delta: 298.0kB). 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_5 = 128.5; [L25] double var_1_6 = 9.186; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 9.6; [L28] float var_1_9 = 499.2; [L29] float var_1_10 = 1.5; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float last_1_var_1_10 = 1.5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L63] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L64] var_1_5 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L66] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L67] var_1_6 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L69] var_1_7 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_8=48/5, var_1_9=2496/5] [L71] var_1_8 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_9=2496/5] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L75] var_1_12 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L77] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=2553/10] [L80] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L97] RET updateVariables() [L98] CALL step() [L38] COND TRUE ((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5) [L39] COND FALSE !(last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) [L42] var_1_1 = var_1_9 [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f [L52] COND FALSE !(! (var_1_3 <= var_1_10)) [L55] COND TRUE (var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5))) [L56] var_1_11 = var_1_14 [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((float) var_1_9)) : (var_1_1 == ((float) var_1_9))) : (var_1_1 == ((float) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((float) 1.00000000000004E13f)) : (var_1_10 == ((float) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=2147000000, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2147000000, var_1_9=2147000000] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=2147000000, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2147000000, var_1_9=2147000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:11:54,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ddc47c0b120f9abfd988f5da3b7d1c3e75cea26e3d49e1cb52dc2ee55e5e9d8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:11:57,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:11:57,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:11:57,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:11:57,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:11:57,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:11:57,281 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:11:57,281 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:11:57,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:11:57,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:11:57,289 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:11:57,289 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:11:57,290 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:11:57,291 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:11:57,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:11:57,292 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:11:57,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:11:57,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:11:57,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:11:57,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:11:57,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:11:57,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:11:57,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:11:57,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:11:57,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:11:57,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:11:57,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:11:57,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:11:57,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:11:57,300 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:11:57,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:11:57,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:11:57,302 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:11:57,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:11:57,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:11:57,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:11:57,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:11:57,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:11:57,304 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:11:57,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:11:57,305 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:11:57,305 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:11:57,306 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:11:57,306 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:11:57,306 INFO L153 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddc47c0b120f9abfd988f5da3b7d1c3e75cea26e3d49e1cb52dc2ee55e5e9d8c [2023-11-23 21:11:57,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:11:57,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:11:57,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:11:57,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:11:57,783 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:11:57,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i [2023-11-23 21:12:01,128 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:12:01,444 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:12:01,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i [2023-11-23 21:12:01,454 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data/38c9d8ef0/265f9d9d7e16446d8c3551916043f302/FLAG96ab267f4 [2023-11-23 21:12:01,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/data/38c9d8ef0/265f9d9d7e16446d8c3551916043f302 [2023-11-23 21:12:01,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:12:01,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:12:01,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:01,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:12:01,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:12:01,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d1471b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01, skipping insertion in model container [2023-11-23 21:12:01,484 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,513 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:12:01,694 WARN L240 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i[917,930] [2023-11-23 21:12:01,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:01,806 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:12:01,826 WARN L240 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_543cc90c-9f9f-45d3-ae99-4d1551d0903f/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93.i[917,930] [2023-11-23 21:12:01,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:12:01,898 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:12:01,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01 WrapperNode [2023-11-23 21:12:01,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:12:01,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:01,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:12:01,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:12:01,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,978 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-23 21:12:01,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:12:01,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:12:01,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:12:01,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:12:01,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:01,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:12:02,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:12:02,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:12:02,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:12:02,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (1/1) ... [2023-11-23 21:12:02,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:12:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:12:02,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:12:02,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:12:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:12:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:12:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:12:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:12:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:12:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:12:02,295 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:12:02,300 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:12:20,680 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:12:20,736 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:12:20,736 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:12:20,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:20 BoogieIcfgContainer [2023-11-23 21:12:20,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:12:20,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:12:20,740 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:12:20,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:12:20,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:12:01" (1/3) ... [2023-11-23 21:12:20,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c360f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:20, skipping insertion in model container [2023-11-23 21:12:20,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:12:01" (2/3) ... [2023-11-23 21:12:20,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c360f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:12:20, skipping insertion in model container [2023-11-23 21:12:20,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:20" (3/3) ... [2023-11-23 21:12:20,747 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-93.i [2023-11-23 21:12:20,766 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:12:20,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:12:20,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:12:20,822 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@4cb38af0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:12:20,822 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:12:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:12:20,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 21:12:20,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:20,841 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:20,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:20,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:20,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1055349895, now seen corresponding path program 1 times [2023-11-23 21:12:20,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:20,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [879960527] [2023-11-23 21:12:20,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:20,865 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 [2023-11-23 21:12:20,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:20,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:12:20,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:12:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:12:24,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:12:24,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:12:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-23 21:12:24,073 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:12:24,074 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:12:24,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [879960527] [2023-11-23 21:12:24,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [879960527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:12:24,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:12:24,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:12:24,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306265080] [2023-11-23 21:12:24,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:12:24,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:12:24,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:12:24,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:12:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:24,130 INFO L87 Difference]: Start difference. First operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:12:27,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:12:27,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:12:27,650 INFO L93 Difference]: Finished difference Result 79 states and 136 transitions. [2023-11-23 21:12:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:12:28,053 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2023-11-23 21:12:28,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:12:28,061 INFO L225 Difference]: With dead ends: 79 [2023-11-23 21:12:28,061 INFO L226 Difference]: Without dead ends: 39 [2023-11-23 21:12:28,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:12:28,068 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:12:28,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2023-11-23 21:12:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-23 21:12:28,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-23 21:12:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:12:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-11-23 21:12:28,135 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 87 [2023-11-23 21:12:28,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:12:28,136 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-11-23 21:12:28,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:12:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-23 21:12:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 21:12:28,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:12:28,144 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:12:28,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:28,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:12:28,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:12:28,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:12:28,369 INFO L85 PathProgramCache]: Analyzing trace with hash -2144090303, now seen corresponding path program 1 times [2023-11-23 21:12:28,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:12:28,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646501128] [2023-11-23 21:12:28,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:12:28,370 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 [2023-11-23 21:12:28,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:12:28,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:12:28,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:12:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:32,820 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:12:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:12:37,239 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-23 21:12:37,240 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:12:37,242 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:12:37,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 21:12:37,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:12:37,471 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 21:12:37,475 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:12:37,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:12:37 BoogieIcfgContainer [2023-11-23 21:12:37,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:12:37,661 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:12:37,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:12:37,662 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:12:37,662 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:12:20" (3/4) ... [2023-11-23 21:12:37,663 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 21:12:37,821 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:12:37,821 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:12:37,822 INFO L158 Benchmark]: Toolchain (without parser) took 36348.98ms. Allocated memory is still 111.1MB. Free memory was 87.0MB in the beginning and 54.5MB in the end (delta: 32.4MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,823 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 77.6MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:12:37,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.99ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 73.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.35ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 71.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,825 INFO L158 Benchmark]: Boogie Preprocessor took 82.48ms. Allocated memory is still 111.1MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,825 INFO L158 Benchmark]: RCFGBuilder took 18671.57ms. Allocated memory is still 111.1MB. Free memory was 69.8MB in the beginning and 79.4MB in the end (delta: -9.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,825 INFO L158 Benchmark]: TraceAbstraction took 16921.20ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 62.9MB in the end (delta: 16.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,826 INFO L158 Benchmark]: Witness Printer took 160.16ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 54.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 21:12:37,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 77.6MB. Free memory is still 54.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 423.99ms. Allocated memory is still 111.1MB. Free memory was 86.7MB in the beginning and 73.8MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.35ms. Allocated memory is still 111.1MB. Free memory was 73.8MB in the beginning and 71.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.48ms. Allocated memory is still 111.1MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 18671.57ms. Allocated memory is still 111.1MB. Free memory was 69.8MB in the beginning and 79.4MB in the end (delta: -9.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 16921.20ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 62.9MB in the end (delta: 16.1MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 160.16ms. Allocated memory is still 111.1MB. Free memory was 62.4MB in the beginning and 54.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_5 = 128.5; [L25] double var_1_6 = 9.186; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 9.6; [L28] float var_1_9 = 499.2; [L29] float var_1_10 = 1.5; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float last_1_var_1_10 = 1.5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=128.5, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=128.5, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L62] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=128.5, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L63] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=128.5, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=128.5, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L63] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=128.5, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L64] var_1_5 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L65] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L66] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L66] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=9.186, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L67] var_1_6 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L68] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=31.75, var_1_8=9.6, var_1_9=499.20001220703125] [L69] var_1_7 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=9.6, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=9.6, var_1_9=499.20001220703125] [L70] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=9.6, var_1_9=499.20001220703125] [L71] var_1_8 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=499.20001220703125] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=499.20001220703125] [L72] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=499.20001220703125] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L75] var_1_12 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L76] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L77] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L77] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L80] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L80] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L82] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=255.3000030517578, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L97] RET updateVariables() [L98] CALL step() [L38] COND FALSE !(((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) [L45] var_1_1 = 64.51f VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=1.5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64.51000213623047, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64.51000213623047, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L52] COND TRUE ! (var_1_3 <= var_1_10) [L53] var_1_11 = (var_1_12 && var_1_13) VAL [isInitial=1, last_1_var_1_10=1.5, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64.51000213623047, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((float) var_1_9)) : (var_1_1 == ((float) var_1_9))) : (var_1_1 == ((float) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((float) 1.00000000000004E13f)) : (var_1_10 == ((float) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1.5, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64.51000213623047, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=1.5, var_1_10=2147000064, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=64.51000213623047, var_1_3=8589934592, var_1_5=-8589934592, var_1_6=0.000000000000000000010000000490448792, var_1_7=2.0, var_1_8=0.000000000000000000010000000490448792, var_1_9=0.00000000000000000010842021724855044] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.7s, OverallIterations: 2, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 3.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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: 0.1s SsaConstructionTime, 7.3s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 174 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 21:12:38,067 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-11-23 21:12:38,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543cc90c-9f9f-45d3-ae99-4d1551d0903f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE