./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:03:04,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:03:04,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-01 23:03:04,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:03:04,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:03:04,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:03:04,826 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:03:04,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:03:04,826 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:03:04,827 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:03:04,827 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:03:04,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:03:04,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:03:04,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:03:04,827 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:03:04,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:03:04,828 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:03:04,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:04,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:04,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:03:04,829 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:03:04,830 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 [2024-12-01 23:03:05,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:03:05,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:03:05,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:03:05,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:03:05,093 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:03:05,094 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2024-12-01 23:03:07,791 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/76119c6a7/82a307ff05004a60b090ea9b1fe872a6/FLAG69178fb0d [2024-12-01 23:03:08,016 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:03:08,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2024-12-01 23:03:08,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/76119c6a7/82a307ff05004a60b090ea9b1fe872a6/FLAG69178fb0d [2024-12-01 23:03:08,350 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/76119c6a7/82a307ff05004a60b090ea9b1fe872a6 [2024-12-01 23:03:08,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:03:08,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:03:08,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:08,354 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:03:08,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:03:08,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5137ef8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08, skipping insertion in model container [2024-12-01 23:03:08,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:03:08,497 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2024-12-01 23:03:08,501 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2024-12-01 23:03:08,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:08,555 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:03:08,568 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2024-12-01 23:03:08,569 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2024-12-01 23:03:08,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:08,614 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:03:08,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08 WrapperNode [2024-12-01 23:03:08,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:08,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:08,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:03:08,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:03:08,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,650 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 210 [2024-12-01 23:03:08,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:08,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:03:08,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:03:08,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:03:08,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,674 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-01 23:03:08,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,674 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,680 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:03:08,692 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:03:08,692 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:03:08,692 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:03:08,693 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (1/1) ... [2024-12-01 23:03:08,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:08,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:08,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:03:08,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:03:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:03:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-01 23:03:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-01 23:03:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-01 23:03:08,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:03:08,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:03:08,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-01 23:03:08,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-01 23:03:08,808 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:03:08,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:03:09,178 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-12-01 23:03:09,178 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:03:09,188 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:03:09,188 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-01 23:03:09,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:09 BoogieIcfgContainer [2024-12-01 23:03:09,189 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:03:09,191 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:03:09,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:03:09,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:03:09,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:03:08" (1/3) ... [2024-12-01 23:03:09,196 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f53dc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:09, skipping insertion in model container [2024-12-01 23:03:09,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:08" (2/3) ... [2024-12-01 23:03:09,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f53dc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:09, skipping insertion in model container [2024-12-01 23:03:09,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:09" (3/3) ... [2024-12-01 23:03:09,198 INFO L128 eAbstractionObserver]: Analyzing ICFG square_6+soft_float_1-3a.c.cil.c [2024-12-01 23:03:09,214 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:03:09,215 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG square_6+soft_float_1-3a.c.cil.c that has 3 procedures, 103 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-01 23:03:09,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:03:09,282 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@6ccb815f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:03:09,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-01 23:03:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 89 states have (on average 1.5842696629213484) internal successors, (141), 93 states have internal predecessors, (141), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-01 23:03:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-01 23:03:09,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:09,292 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:09,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:09,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:09,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1530844763, now seen corresponding path program 1 times [2024-12-01 23:03:09,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:09,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361827710] [2024-12-01 23:03:09,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:09,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:03:09,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-01 23:03:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361827710] [2024-12-01 23:03:09,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361827710] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:09,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:09,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:03:09,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687472911] [2024-12-01 23:03:09,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:09,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:03:09,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-01 23:03:09,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:03:09,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:09,436 INFO L87 Difference]: Start difference. First operand has 103 states, 89 states have (on average 1.5842696629213484) internal successors, (141), 93 states have internal predecessors, (141), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:03:09,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:09,463 INFO L93 Difference]: Finished difference Result 201 states and 319 transitions. [2024-12-01 23:03:09,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:03:09,465 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-12-01 23:03:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:09,470 INFO L225 Difference]: With dead ends: 201 [2024-12-01 23:03:09,471 INFO L226 Difference]: Without dead ends: 96 [2024-12-01 23:03:09,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:09,475 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:09,476 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:09,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-12-01 23:03:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-12-01 23:03:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 83 states have (on average 1.4939759036144578) internal successors, (124), 86 states have internal predecessors, (124), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-01 23:03:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2024-12-01 23:03:09,508 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 7 [2024-12-01 23:03:09,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:09,509 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2024-12-01 23:03:09,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:03:09,509 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2024-12-01 23:03:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-01 23:03:09,510 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:09,510 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:09,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-01 23:03:09,510 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:09,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:09,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1530904345, now seen corresponding path program 1 times [2024-12-01 23:03:09,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-01 23:03:09,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593857345] [2024-12-01 23:03:09,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:09,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-01 23:03:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:03:09,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-01 23:03:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-01 23:03:09,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-01 23:03:09,547 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-01 23:03:09,548 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-12-01 23:03:09,550 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2024-12-01 23:03:09,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-01 23:03:09,553 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-01 23:03:09,562 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-01 23:03:09,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:03:09 BoogieIcfgContainer [2024-12-01 23:03:09,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-01 23:03:09,566 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-01 23:03:09,566 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-01 23:03:09,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-01 23:03:09,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:09" (3/4) ... [2024-12-01 23:03:09,568 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-01 23:03:09,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-01 23:03:09,570 INFO L158 Benchmark]: Toolchain (without parser) took 1216.68ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 79.4MB in the end (delta: 12.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-12-01 23:03:09,570 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:09,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.88ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 76.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-01 23:03:09,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.14ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:09,571 INFO L158 Benchmark]: Boogie Preprocessor took 40.65ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:09,571 INFO L158 Benchmark]: RCFGBuilder took 496.84ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 49.2MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-01 23:03:09,572 INFO L158 Benchmark]: TraceAbstraction took 374.44ms. Allocated memory is still 117.4MB. Free memory was 48.7MB in the beginning and 79.4MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:09,572 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-01 23:03:09,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.88ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 76.7MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.14ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 74.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.65ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 496.84ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 49.2MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 374.44ms. Allocated memory is still 117.4MB. Free memory was 48.7MB in the beginning and 79.4MB in the end (delta: -30.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 21.1kB). 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: 48]: 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 someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L402] COND TRUE __VERIFIER_nondet_int() [L403] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.399f) [L48] reach_error() - UnprovableResult [Line: 60]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 103 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 150 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-01 23:03:09,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-01 23:03:11,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-01 23:03:11,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-01 23:03:11,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-01 23:03:11,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-01 23:03:11,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-01 23:03:11,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-01 23:03:11,675 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-01 23:03:11,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-01 23:03:11,676 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-01 23:03:11,676 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-01 23:03:11,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-01 23:03:11,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-01 23:03:11,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-01 23:03:11,676 INFO L153 SettingsManager]: * Use SBE=true [2024-12-01 23:03:11,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-01 23:03:11,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-01 23:03:11,678 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:11,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-01 23:03:11,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:11,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-01 23:03:11,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-01 23:03:11,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1 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 -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8027421f69536d6ab05b283a89e3cb3b4d544d6c464b60eed1661be7de5f3901 [2024-12-01 23:03:11,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-01 23:03:11,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-01 23:03:11,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-01 23:03:11,928 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-01 23:03:11,928 INFO L274 PluginConnector]: CDTParser initialized [2024-12-01 23:03:11,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2024-12-01 23:03:14,731 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/eac5bf9a8/7e4e6ecad1be4a2a895fb218146f9bf8/FLAGf5a78f9be [2024-12-01 23:03:14,946 INFO L384 CDTParser]: Found 1 translation units. [2024-12-01 23:03:14,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c [2024-12-01 23:03:14,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/eac5bf9a8/7e4e6ecad1be4a2a895fb218146f9bf8/FLAGf5a78f9be [2024-12-01 23:03:14,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/data/eac5bf9a8/7e4e6ecad1be4a2a895fb218146f9bf8 [2024-12-01 23:03:14,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-01 23:03:14,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-01 23:03:14,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:14,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-01 23:03:14,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-01 23:03:14,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:14" (1/1) ... [2024-12-01 23:03:14,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db29791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:14, skipping insertion in model container [2024-12-01 23:03:14,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:03:14" (1/1) ... [2024-12-01 23:03:15,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-01 23:03:15,149 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2024-12-01 23:03:15,155 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2024-12-01 23:03:15,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:15,225 INFO L200 MainTranslator]: Completed pre-run [2024-12-01 23:03:15,240 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[1997,2010] [2024-12-01 23:03:15,241 WARN L250 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_feb96244-56bb-4182-a0ec-8981cf1f6b13/sv-benchmarks/c/combinations/square_6+soft_float_1-3a.c.cil.c[2366,2379] [2024-12-01 23:03:15,271 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-01 23:03:15,288 INFO L204 MainTranslator]: Completed translation [2024-12-01 23:03:15,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15 WrapperNode [2024-12-01 23:03:15,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-01 23:03:15,289 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:15,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-01 23:03:15,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-01 23:03:15,297 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,328 INFO L138 Inliner]: procedures = 28, calls = 21, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 167 [2024-12-01 23:03:15,329 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-01 23:03:15,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-01 23:03:15,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-01 23:03:15,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-01 23:03:15,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,356 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-01 23:03:15,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,356 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-01 23:03:15,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-01 23:03:15,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-01 23:03:15,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-01 23:03:15,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (1/1) ... [2024-12-01 23:03:15,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-01 23:03:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-01 23:03:15,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-01 23:03:15,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-01 23:03:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-01 23:03:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-01 23:03:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-01 23:03:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-01 23:03:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-01 23:03:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-01 23:03:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-01 23:03:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-01 23:03:15,502 INFO L234 CfgBuilder]: Building ICFG [2024-12-01 23:03:15,504 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-01 23:03:20,096 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-01 23:03:20,096 INFO L283 CfgBuilder]: Performing block encoding [2024-12-01 23:03:20,106 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-01 23:03:20,107 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-01 23:03:20,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:20 BoogieIcfgContainer [2024-12-01 23:03:20,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-01 23:03:20,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-01 23:03:20,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-01 23:03:20,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-01 23:03:20,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:03:14" (1/3) ... [2024-12-01 23:03:20,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6476cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:20, skipping insertion in model container [2024-12-01 23:03:20,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:03:15" (2/3) ... [2024-12-01 23:03:20,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6476cb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:03:20, skipping insertion in model container [2024-12-01 23:03:20,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:03:20" (3/3) ... [2024-12-01 23:03:20,117 INFO L128 eAbstractionObserver]: Analyzing ICFG square_6+soft_float_1-3a.c.cil.c [2024-12-01 23:03:20,132 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-01 23:03:20,133 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG square_6+soft_float_1-3a.c.cil.c that has 3 procedures, 79 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2024-12-01 23:03:20,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-01 23:03:20,189 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, 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;@3577f101, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-01 23:03:20,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-01 23:03:20,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 65 states have (on average 1.6) internal successors, (104), 69 states have internal predecessors, (104), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-01 23:03:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-01 23:03:20,196 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:20,197 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:20,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:20,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:20,201 INFO L85 PathProgramCache]: Analyzing trace with hash 78502818, now seen corresponding path program 1 times [2024-12-01 23:03:20,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:03:20,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033503584] [2024-12-01 23:03:20,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:20,209 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 [2024-12-01 23:03:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:03:20,211 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-01 23:03:20,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:03:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:03:20,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-01 23:03:20,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:03:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-01 23:03:20,679 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-01 23:03:20,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-01 23:03:20,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033503584] [2024-12-01 23:03:20,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033503584] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-01 23:03:20,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-01 23:03:20,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-01 23:03:20,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906402296] [2024-12-01 23:03:20,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-01 23:03:20,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-01 23:03:20,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-01 23:03:20,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-01 23:03:20,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:20,702 INFO L87 Difference]: Start difference. First operand has 79 states, 65 states have (on average 1.6) internal successors, (104), 69 states have internal predecessors, (104), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:03:20,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-01 23:03:20,725 INFO L93 Difference]: Finished difference Result 153 states and 245 transitions. [2024-12-01 23:03:20,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-01 23:03:20,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-12-01 23:03:20,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-01 23:03:20,731 INFO L225 Difference]: With dead ends: 153 [2024-12-01 23:03:20,731 INFO L226 Difference]: Without dead ends: 72 [2024-12-01 23:03:20,734 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-01 23:03:20,736 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-01 23:03:20,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-01 23:03:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-12-01 23:03:20,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-12-01 23:03:20,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 59 states have (on average 1.5084745762711864) internal successors, (89), 62 states have internal predecessors, (89), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-12-01 23:03:20,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 106 transitions. [2024-12-01 23:03:20,769 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 106 transitions. Word has length 7 [2024-12-01 23:03:20,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-01 23:03:20,770 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 106 transitions. [2024-12-01 23:03:20,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-01 23:03:20,770 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2024-12-01 23:03:20,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-01 23:03:20,770 INFO L210 NwaCegarLoop]: Found error trace [2024-12-01 23:03:20,771 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-01 23:03:20,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-01 23:03:20,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:03:20,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-01 23:03:20,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-01 23:03:20,972 INFO L85 PathProgramCache]: Analyzing trace with hash 78562400, now seen corresponding path program 1 times [2024-12-01 23:03:20,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-01 23:03:20,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [290783534] [2024-12-01 23:03:20,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-01 23:03:20,973 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 [2024-12-01 23:03:20,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-01 23:03:20,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-01 23:03:20,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb96244-56bb-4182-a0ec-8981cf1f6b13/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-01 23:18:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-01 23:18:05,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-01 23:18:05,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-01 23:18:14,550 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:18:22,661 WARN L286 SmtUtils]: Spent 8.11s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:18:30,860 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-01 23:18:34,928 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_main1_~IN~0#1_5| (_ FloatingPoint 8 24))) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 1.0))) (and (fp.geq |v_ULTIMATE.start_main1_~IN~0#1_5| (_ +zero 8 24)) (fp.lt |v_ULTIMATE.start_main1_~IN~0#1_5| .cse0) (= (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode (fp.sub c_currentRoundingMode (fp.add c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 2.0)) |v_ULTIMATE.start_main1_~IN~0#1_5|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 8.0)) |v_ULTIMATE.start_main1_~IN~0#1_5|) |v_ULTIMATE.start_main1_~IN~0#1_5|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 16.0)) |v_ULTIMATE.start_main1_~IN~0#1_5|) |v_ULTIMATE.start_main1_~IN~0#1_5|) |v_ULTIMATE.start_main1_~IN~0#1_5|)) (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 5.0 128.0)) |v_ULTIMATE.start_main1_~IN~0#1_5|) |v_ULTIMATE.start_main1_~IN~0#1_5|) |v_ULTIMATE.start_main1_~IN~0#1_5|) |v_ULTIMATE.start_main1_~IN~0#1_5|)) |c_ULTIMATE.start_main1_~result~0#1|)))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false