./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX --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 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:01:19,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:01:20,035 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:01:20,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:01:20,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:01:20,086 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:01:20,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:01:20,089 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:01:20,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:01:20,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:01:20,093 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:01:20,094 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:01:20,095 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:01:20,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:01:20,096 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:01:20,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:01:20,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:01:20,098 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:01:20,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:01:20,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:01:20,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:01:20,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:01:20,100 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:01:20,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:01:20,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:01:20,105 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:01:20,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:01:20,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:01:20,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:01:20,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:01:20,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:01:20,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:01:20,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:01:20,119 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:01:20,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:01:20,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:01:20,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:01:20,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:01:20,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:01:20,121 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:01:20,121 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:01:20,121 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:01:20,122 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c [2024-11-08 19:01:20,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:01:20,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:01:20,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:01:20,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:01:20,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:01:20,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i Unable to find full path for "g++" [2024-11-08 19:01:22,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:01:22,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:01:22,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i [2024-11-08 19:01:22,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data/66bcaf0c1/8f2d99ce440c48aeb41ca6ad87ae3779/FLAG2e14e16ef [2024-11-08 19:01:22,950 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data/66bcaf0c1/8f2d99ce440c48aeb41ca6ad87ae3779 [2024-11-08 19:01:22,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:01:22,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:01:22,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:01:22,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:01:22,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:01:22,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:01:22" (1/1) ... [2024-11-08 19:01:22,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725299f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:22, skipping insertion in model container [2024-11-08 19:01:22,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:01:22" (1/1) ... [2024-11-08 19:01:23,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:01:23,289 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_3dfaf6b7-7339-4669-b439-dcab4ada388f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2024-11-08 19:01:23,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:01:23,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:01:23,458 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_3dfaf6b7-7339-4669-b439-dcab4ada388f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2024-11-08 19:01:23,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:01:23,523 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:01:23,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23 WrapperNode [2024-11-08 19:01:23,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:01:23,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:01:23,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:01:23,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:01:23,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,619 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 174 [2024-11-08 19:01:23,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:01:23,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:01:23,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:01:23,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:01:23,635 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,682 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]. [2024-11-08 19:01:23,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,706 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:01:23,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:01:23,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:01:23,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:01:23,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (1/1) ... [2024-11-08 19:01:23,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:01:23,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:01:23,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:01:23,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:01:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:01:23,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:01:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:01:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:01:23,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:01:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:01:23,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:01:24,003 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:01:24,569 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 19:01:24,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:01:24,594 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:01:24,598 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:01:24,599 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:24 BoogieIcfgContainer [2024-11-08 19:01:24,599 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:01:24,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:01:24,602 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:01:24,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:01:24,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:01:22" (1/3) ... [2024-11-08 19:01:24,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2973b87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:01:24, skipping insertion in model container [2024-11-08 19:01:24,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:01:23" (2/3) ... [2024-11-08 19:01:24,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2973b87a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:01:24, skipping insertion in model container [2024-11-08 19:01:24,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:24" (3/3) ... [2024-11-08 19:01:24,610 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-46.i [2024-11-08 19:01:24,631 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:01:24,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:01:24,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:01:24,728 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;@2bd86f9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:01:24,729 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:01:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:01:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 19:01:24,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:24,756 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:01:24,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:24,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:24,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1481916087, now seen corresponding path program 1 times [2024-11-08 19:01:24,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:24,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855593057] [2024-11-08 19:01:24,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:24,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 19:01:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:01:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:01:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:01:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 19:01:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:01:25,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 19:01:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:01:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:01:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:01:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:01:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:01:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:01:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:01:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:01:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:01:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:01:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:01:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 19:01:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:01:25,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:25,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855593057] [2024-11-08 19:01:25,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855593057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:25,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:25,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:01:25,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127366101] [2024-11-08 19:01:25,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:25,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:01:25,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:25,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:01:25,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:01:25,410 INFO L87 Difference]: Start difference. First operand has 73 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:01:25,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:01:25,469 INFO L93 Difference]: Finished difference Result 143 states and 236 transitions. [2024-11-08 19:01:25,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:01:25,476 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2024-11-08 19:01:25,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:01:25,486 INFO L225 Difference]: With dead ends: 143 [2024-11-08 19:01:25,486 INFO L226 Difference]: Without dead ends: 69 [2024-11-08 19:01:25,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:01:25,496 INFO L432 NwaCegarLoop]: 107 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, 107 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 [2024-11-08 19:01:25,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:01:25,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-08 19:01:25,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2024-11-08 19:01:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 48 states have internal predecessors, (64), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:01:25,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 102 transitions. [2024-11-08 19:01:25,607 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 102 transitions. Word has length 126 [2024-11-08 19:01:25,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:01:25,608 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 102 transitions. [2024-11-08 19:01:25,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:01:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2024-11-08 19:01:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 19:01:25,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:25,623 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2024-11-08 19:01:25,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:01:25,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:25,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:25,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1869120132, now seen corresponding path program 1 times [2024-11-08 19:01:25,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:25,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730023841] [2024-11-08 19:01:25,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:25,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 19:01:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:01:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:01:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 19:01:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 19:01:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 19:01:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-08 19:01:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 19:01:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 19:01:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-08 19:01:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-08 19:01:53,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-08 19:01:53,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-08 19:01:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:01:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:01:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-08 19:01:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-08 19:01:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 19:01:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 19:01:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:01:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:01:53,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:01:53,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730023841] [2024-11-08 19:01:53,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730023841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:01:53,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:01:53,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:01:53,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432617403] [2024-11-08 19:01:53,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:01:53,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:01:53,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:01:53,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:01:53,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:01:53,682 INFO L87 Difference]: Start difference. First operand 69 states and 102 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 19:01:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:01:57,813 INFO L93 Difference]: Finished difference Result 237 states and 343 transitions. [2024-11-08 19:01:57,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:01:57,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 127 [2024-11-08 19:01:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:01:57,817 INFO L225 Difference]: With dead ends: 237 [2024-11-08 19:01:57,817 INFO L226 Difference]: Without dead ends: 171 [2024-11-08 19:01:57,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:01:57,820 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 151 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:01:57,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 462 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 19:01:57,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-08 19:01:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 129. [2024-11-08 19:01:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 98 states have (on average 1.3877551020408163) internal successors, (136), 99 states have internal predecessors, (136), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 19:01:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 190 transitions. [2024-11-08 19:01:57,856 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 190 transitions. Word has length 127 [2024-11-08 19:01:57,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:01:57,857 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 190 transitions. [2024-11-08 19:01:57,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 19:01:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 190 transitions. [2024-11-08 19:01:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 19:01:57,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:01:57,861 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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] [2024-11-08 19:01:57,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:01:57,861 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:01:57,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:01:57,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1145983486, now seen corresponding path program 1 times [2024-11-08 19:01:57,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:01:57,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535020209] [2024-11-08 19:01:57,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:57,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:01:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 19:01:57,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145775804] [2024-11-08 19:01:57,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:01:57,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:01:57,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:01:57,985 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:01:57,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 19:01:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:01:58,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:01:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:01:58,553 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:01:58,554 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:01:58,555 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:01:58,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 19:01:58,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:01:58,765 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 19:01:58,889 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:01:58,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:01:58 BoogieIcfgContainer [2024-11-08 19:01:58,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:01:58,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:01:58,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:01:58,896 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:01:58,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:01:24" (3/4) ... [2024-11-08 19:01:58,900 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:01:58,902 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:01:58,903 INFO L158 Benchmark]: Toolchain (without parser) took 35943.15ms. Allocated memory was 123.7MB in the beginning and 318.8MB in the end (delta: 195.0MB). Free memory was 59.6MB in the beginning and 122.9MB in the end (delta: -63.3MB). Peak memory consumption was 132.6MB. Max. memory is 16.1GB. [2024-11-08 19:01:58,903 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:01:58,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.71ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 59.5MB in the beginning and 108.7MB in the end (delta: -49.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-08 19:01:58,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.27ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 103.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:01:58,905 INFO L158 Benchmark]: Boogie Preprocessor took 111.38ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 96.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:01:58,906 INFO L158 Benchmark]: RCFGBuilder took 866.14ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.9MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 19:01:58,907 INFO L158 Benchmark]: TraceAbstraction took 34293.18ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 94.1MB in the beginning and 122.9MB in the end (delta: -28.8MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. [2024-11-08 19:01:58,907 INFO L158 Benchmark]: Witness Printer took 5.97ms. Allocated memory is still 318.8MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:01:58,910 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 123.7MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.71ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 59.5MB in the beginning and 108.7MB in the end (delta: -49.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.27ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 103.9MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.38ms. Allocated memory is still 151.0MB. Free memory was 103.9MB in the beginning and 96.9MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 866.14ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 94.9MB in the end (delta: 2.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 34293.18ms. Allocated memory was 151.0MB in the beginning and 318.8MB in the end (delta: 167.8MB). Free memory was 94.1MB in the beginning and 122.9MB in the end (delta: -28.8MB). Peak memory consumption was 140.7MB. Max. memory is 16.1GB. * Witness Printer took 5.97ms. Allocated memory is still 318.8MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 125. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_4 = 128; [L26] unsigned char var_1_5 = 10; [L27] unsigned short int var_1_6 = 10; [L28] unsigned short int var_1_7 = 52077; [L29] unsigned short int var_1_8 = 47248; [L30] unsigned short int var_1_9 = 50; [L31] float var_1_11 = 63.75; [L32] signed long int var_1_12 = 100000; [L33] unsigned short int var_1_13 = 8; [L34] signed long int var_1_14 = 2; [L35] signed long int var_1_15 = 32; [L36] double var_1_17 = 127.5; [L37] double var_1_18 = 32.75; [L38] signed char var_1_19 = 0; [L39] unsigned long int var_1_20 = 128; [L40] unsigned short int last_1_var_1_13 = 8; [L41] double last_1_var_1_17 = 127.5; VAL [isInitial=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L129] isInitial = 1 [L130] FCALL initially() [L131] int k_loop; [L132] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L132] COND TRUE k_loop < 1 [L133] CALL updateLastVariables() [L121] last_1_var_1_13 = var_1_13 [L122] last_1_var_1_17 = var_1_17 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L133] RET updateLastVariables() [L134] CALL updateVariables() [L90] var_1_2 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L91] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L92] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=0, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L93] var_1_3 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L94] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L95] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=128, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L97] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L98] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=10, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L101] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=52077, var_1_8=47248, var_1_9=50] [L102] var_1_7 = __VERIFIER_nondet_ushort() [L103] CALL assume_abort_if_not(var_1_7 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L103] RET assume_abort_if_not(var_1_7 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] CALL assume_abort_if_not(var_1_7 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L104] RET assume_abort_if_not(var_1_7 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=47248, var_1_9=50] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L106] RET assume_abort_if_not(var_1_8 >= 32767) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L107] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L107] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_11=255/4, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L108] var_1_11 = __VERIFIER_nondet_float() [L109] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L109] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L110] CALL assume_abort_if_not(var_1_11 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L110] RET assume_abort_if_not(var_1_11 != 0.0F) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=2, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L111] var_1_14 = __VERIFIER_nondet_long() [L112] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L112] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L113] CALL assume_abort_if_not(var_1_14 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L113] RET assume_abort_if_not(var_1_14 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=32, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L114] var_1_15 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L115] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L116] CALL assume_abort_if_not(var_1_15 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L116] RET assume_abort_if_not(var_1_15 <= 32) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_18=131/4, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L117] var_1_18 = __VERIFIER_nondet_double() [L118] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L118] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L134] RET updateVariables() [L135] CALL step() [L45] COND FALSE !(-100000 >= last_1_var_1_13) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L48] COND FALSE !((last_1_var_1_17 / var_1_11) == 999999.6f) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L52] unsigned char stepLocal_0 = var_1_3; VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, stepLocal_0=1, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=16, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L53] COND TRUE var_1_2 && stepLocal_0 [L54] var_1_1 = (var_1_4 - var_1_5) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=10, var_1_7=32767, var_1_8=32767, var_1_9=50] [L58] COND FALSE !(var_1_1 <= (var_1_5 * var_1_4)) [L65] var_1_6 = var_1_5 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=255/2, var_1_19=0, var_1_1=127, var_1_20=128, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L67] var_1_17 = var_1_18 [L68] var_1_19 = 5 [L69] var_1_20 = var_1_15 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=100000, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L70] COND FALSE !(var_1_1 < var_1_20) [L77] var_1_12 = var_1_6 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L79] EXPR -4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L79] EXPR var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=8, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L79] COND FALSE !((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) [L86] var_1_13 = var_1_1 VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=127, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L135] RET step() [L136] CALL, EXPR property() [L125] EXPR (((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1))) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=127, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L125-L126] return ((((((((var_1_2 && var_1_3) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (var_1_4 - var_1_5)))) && ((var_1_1 <= (var_1_5 * var_1_4)) ? (var_1_2 ? (var_1_6 == ((unsigned short int) (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8))) - var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5))) : (var_1_6 == ((unsigned short int) var_1_5)))) && ((-100000 >= last_1_var_1_13) ? (var_1_9 == ((unsigned short int) (((((last_1_var_1_13 + var_1_5)) > (64)) ? ((last_1_var_1_13 + var_1_5)) : (64))))) : (((last_1_var_1_17 / var_1_11) == 999999.6f) ? (var_1_9 == ((unsigned short int) var_1_7)) : 1))) && ((var_1_1 < var_1_20) ? ((var_1_5 == (~ (var_1_1 + var_1_20))) ? (var_1_12 == ((signed long int) (((((var_1_5) > (((((-1) < (var_1_1)) ? (-1) : (var_1_1))))) ? (var_1_5) : (((((-1) < (var_1_1)) ? (-1) : (var_1_1)))))) - 1000))) : (var_1_12 == ((signed long int) ((((var_1_20) < (var_1_8)) ? (var_1_20) : (var_1_8)))))) : (var_1_12 == ((signed long int) var_1_6)))) && (((-4 >> ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) >= (var_1_7 | ((((var_1_8) > (var_1_9)) ? (var_1_8) : (var_1_9))))) ? (var_1_3 ? (var_1_13 == ((unsigned short int) var_1_6)) : (var_1_13 == ((unsigned short int) var_1_4))) : (var_1_13 == ((unsigned short int) var_1_1)))) && (var_1_17 == ((double) var_1_18))) && (var_1_19 == ((signed char) 5))) && (var_1_20 == ((unsigned long int) var_1_15)) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=127, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=8, last_1_var_1_17=255/2, var_1_12=0, var_1_13=127, var_1_14=1, var_1_15=0, var_1_17=2, var_1_18=2, var_1_19=5, var_1_1=127, var_1_20=0, var_1_2=1, var_1_3=1, var_1_4=639, var_1_5=-256, var_1_6=0, var_1_7=32767, var_1_8=32767, var_1_9=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34.1s, OverallIterations: 3, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 151 mSDsluCounter, 569 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 333 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 212 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 236 mSDtfsCounter, 212 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 42 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 28.1s InterpolantComputationTime, 507 NumberOfCodeBlocks, 507 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 1857 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1368/1368 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 [2024-11-08 19:01:58,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX --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 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:02:01,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:02:01,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:02:01,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:02:01,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:02:01,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:02:01,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:02:01,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:02:01,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:02:01,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:02:01,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:02:01,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:02:01,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:02:01,986 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:02:01,986 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:02:01,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:02:01,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:02:01,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:02:01,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:02:01,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:02:01,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:02:01,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:02:01,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:02:01,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:02:01,997 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:02:01,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:02:01,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:02:01,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:02:02,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:02:02,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:02:02,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:02:02,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:02:02,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:02:02,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:02:02,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:02:02,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:02:02,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:02:02,007 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:02:02,008 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:02:02,008 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:02:02,008 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:02:02,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:02:02,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:02:02,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:02:02,011 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46d69e2d6f11c1f0065d54175749c28192769707fa12268a9c6b1f19cddf608c [2024-11-08 19:02:02,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:02:02,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:02:02,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:02:02,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:02:02,540 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:02:02,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i Unable to find full path for "g++" [2024-11-08 19:02:04,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:02:05,281 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:02:05,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i [2024-11-08 19:02:05,294 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data/94803b7e7/1f79324bd3394c75aff7ee1a78e0d948/FLAGc2ea931b6 [2024-11-08 19:02:05,315 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/data/94803b7e7/1f79324bd3394c75aff7ee1a78e0d948 [2024-11-08 19:02:05,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:02:05,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:02:05,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:02:05,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:02:05,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:02:05,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3620f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05, skipping insertion in model container [2024-11-08 19:02:05,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:02:05,619 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_3dfaf6b7-7339-4669-b439-dcab4ada388f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2024-11-08 19:02:05,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:02:05,719 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:02:05,737 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_3dfaf6b7-7339-4669-b439-dcab4ada388f/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-46.i[915,928] [2024-11-08 19:02:05,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:02:05,865 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:02:05,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05 WrapperNode [2024-11-08 19:02:05,866 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:02:05,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:02:05,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:02:05,868 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:02:05,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,960 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-11-08 19:02:05,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:02:05,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:02:05,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:02:05,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:02:05,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:05,994 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,042 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]. [2024-11-08 19:02:06,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,079 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:02:06,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:02:06,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:02:06,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:02:06,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (1/1) ... [2024-11-08 19:02:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:02:06,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:02:06,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:02:06,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:02:06,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:02:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:02:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:02:06,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:02:06,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:02:06,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:02:06,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:02:06,341 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:02:19,220 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 19:02:19,220 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:02:19,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:02:19,244 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:02:19,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:02:19 BoogieIcfgContainer [2024-11-08 19:02:19,245 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:02:19,252 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:02:19,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:02:19,257 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:02:19,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:02:05" (1/3) ... [2024-11-08 19:02:19,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cbc135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:02:19, skipping insertion in model container [2024-11-08 19:02:19,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:02:05" (2/3) ... [2024-11-08 19:02:19,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21cbc135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:02:19, skipping insertion in model container [2024-11-08 19:02:19,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:02:19" (3/3) ... [2024-11-08 19:02:19,266 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-46.i [2024-11-08 19:02:19,288 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:02:19,289 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:02:19,370 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:02:19,378 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;@26a4716f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:02:19,379 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:02:19,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:02:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-08 19:02:19,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:02:19,402 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:19,402 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:02:19,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:19,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1622301046, now seen corresponding path program 1 times [2024-11-08 19:02:19,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:02:19,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1578824343] [2024-11-08 19:02:19,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:19,435 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 [2024-11-08 19:02:19,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:02:19,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:02:19,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:02:20,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:02:20,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:02:20,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:02:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-08 19:02:20,874 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:02:20,875 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:02:20,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1578824343] [2024-11-08 19:02:20,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1578824343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:02:20,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:02:20,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:02:20,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504856995] [2024-11-08 19:02:20,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:02:20,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:02:20,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:02:20,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:02:20,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:02:20,930 INFO L87 Difference]: Start difference. First operand has 60 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:02:20,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:02:20,981 INFO L93 Difference]: Finished difference Result 116 states and 194 transitions. [2024-11-08 19:02:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:02:20,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 122 [2024-11-08 19:02:20,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:02:20,996 INFO L225 Difference]: With dead ends: 116 [2024-11-08 19:02:20,997 INFO L226 Difference]: Without dead ends: 55 [2024-11-08 19:02:21,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:02:21,008 INFO L432 NwaCegarLoop]: 84 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, 84 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 [2024-11-08 19:02:21,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:02:21,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-08 19:02:21,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-08 19:02:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-08 19:02:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2024-11-08 19:02:21,088 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 122 [2024-11-08 19:02:21,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:02:21,092 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2024-11-08 19:02:21,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-08 19:02:21,093 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2024-11-08 19:02:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 19:02:21,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:02:21,097 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:02:21,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:02:21,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:02:21,298 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:02:21,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:02:21,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1095299653, now seen corresponding path program 1 times [2024-11-08 19:02:21,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:02:21,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432096558] [2024-11-08 19:02:21,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:02:21,301 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 [2024-11-08 19:02:21,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:02:21,305 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:02:21,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:04:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:04:43,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:04:43,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:04:59,621 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:05:03,713 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-11-08 19:05:16,811 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:05:29,009 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:05:41,234 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:05:53,450 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:06:05,669 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:06:17,877 WARN L286 SmtUtils]: Spent 8.14s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:06:30,096 WARN L286 SmtUtils]: Spent 8.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:06:42,323 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:06:54,560 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:06:54,562 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:06:54,563 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:06:54,563 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:06:54,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432096558] [2024-11-08 19:06:54,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432096558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:06:54,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:06:54,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:06:54,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272531463] [2024-11-08 19:06:54,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:06:54,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:06:54,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:06:54,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:06:54,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2024-11-08 19:06:54,568 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 19:06:59,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:03,342 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-08 19:07:07,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:11,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:15,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:19,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:23,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:28,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:32,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:36,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:40,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:07:40,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:40,371 INFO L93 Difference]: Finished difference Result 120 states and 171 transitions. [2024-11-08 19:07:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:07:40,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2024-11-08 19:07:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:40,463 INFO L225 Difference]: With dead ends: 120 [2024-11-08 19:07:40,463 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 19:07:40,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=13, Invalid=13, Unknown=2, NotChecked=14, Total=42 [2024-11-08 19:07:40,465 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 50 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 39 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 88 IncrementalHoareTripleChecker+Unchecked, 41.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:40,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 317 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 14 Invalid, 9 Unknown, 88 Unchecked, 41.5s Time] [2024-11-08 19:07:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 19:07:40,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2024-11-08 19:07:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 61 states have (on average 1.180327868852459) internal successors, (72), 61 states have internal predecessors, (72), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 19:07:40,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 148 transitions. [2024-11-08 19:07:40,494 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 148 transitions. Word has length 123 [2024-11-08 19:07:40,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:40,495 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 148 transitions. [2024-11-08 19:07:40,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 19:07:40,495 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2024-11-08 19:07:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 19:07:40,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:40,498 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:07:40,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:07:40,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:07:40,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:40,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:40,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1775358023, now seen corresponding path program 1 times [2024-11-08 19:07:40,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:07:40,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [380932562] [2024-11-08 19:07:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:40,701 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 [2024-11-08 19:07:40,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:07:40,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:07:40,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 19:09:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:52,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:09:52,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:08,595 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:12,675 WARN L851 $PredicateComparison]: unable to prove that (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) is different from false [2024-11-08 19:10:26,790 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:39,085 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:10:51,365 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:03,690 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:16,013 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:27,396 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:39,684 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:11:52,000 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:12:04,283 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:12:04,284 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:12:04,284 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:04,285 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:04,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [380932562] [2024-11-08 19:12:04,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [380932562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:04,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:04,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:12:04,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721742564] [2024-11-08 19:12:04,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:04,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:12:04,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:04,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:12:04,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=8, Unknown=1, NotChecked=4, Total=20 [2024-11-08 19:12:04,288 INFO L87 Difference]: Start difference. First operand 102 states and 148 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 19:12:08,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:12,980 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 255.0 2.0)))) (and (= c_~var_1_17~0 .cse0) (exists ((~var_1_11~0 (_ FloatingPoint 8 24))) (fp.eq (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 255.0 2.0)) ((_ to_fp 11 53) roundNearestTiesToEven ~var_1_11~0)) ((_ to_fp 11 53) roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven (/ 4999998.0 5.0))))) (= c_~last_1_var_1_17~0 .cse0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2024-11-08 19:12:17,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:21,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:25,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:29,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:31,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:35,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:39,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:43,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:47,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 19:12:47,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:47,955 INFO L93 Difference]: Finished difference Result 127 states and 180 transitions. [2024-11-08 19:12:48,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:12:48,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 123 [2024-11-08 19:12:48,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:48,058 INFO L225 Difference]: With dead ends: 127 [2024-11-08 19:12:48,058 INFO L226 Difference]: Without dead ends: 125 [2024-11-08 19:12:48,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=13, Invalid=13, Unknown=2, NotChecked=14, Total=42 [2024-11-08 19:12:48,060 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 50 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 39 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 88 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:48,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 313 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 15 Invalid, 8 Unknown, 88 Unchecked, 39.3s Time] [2024-11-08 19:12:48,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-08 19:12:48,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 102. [2024-11-08 19:12:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 61 states have (on average 1.180327868852459) internal successors, (72), 61 states have internal predecessors, (72), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 19:12:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 148 transitions. [2024-11-08 19:12:48,081 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 148 transitions. Word has length 123 [2024-11-08 19:12:48,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:48,082 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 148 transitions. [2024-11-08 19:12:48,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-08 19:12:48,083 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2024-11-08 19:12:48,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-08 19:12:48,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:48,085 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:12:48,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:48,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 19:12:48,286 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:48,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:48,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1796364231, now seen corresponding path program 1 times [2024-11-08 19:12:48,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:48,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191509850] [2024-11-08 19:12:48,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:48,288 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 [2024-11-08 19:12:48,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:48,292 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 19:12:48,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfaf6b7-7339-4669-b439-dcab4ada388f/bin/uautomizer-verify-jihMAELWvX/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 (5)] Waiting until timeout for monitored process [2024-11-08 19:12:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:49,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:12:49,133 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:59,674 WARN L286 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:07,999 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:16,335 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:24,689 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:33,015 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:13:39,133 WARN L286 SmtUtils]: Spent 6.12s 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) [2024-11-08 19:13:43,247 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-08 19:13:47,374 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-08 19:13:55,596 WARN L286 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:03,963 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:12,283 WARN L286 SmtUtils]: Spent 8.32s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:20,615 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:28,956 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:37,293 WARN L286 SmtUtils]: Spent 8.34s 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) [2024-11-08 19:14:45,519 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:14:53,832 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:15:02,166 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:15:09,550 WARN L286 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:15:22,450 WARN L286 SmtUtils]: Spent 8.34s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:15:30,814 WARN L286 SmtUtils]: Spent 8.36s 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) [2024-11-08 19:15:34,924 WARN L851 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2024-11-08 19:15:39,035 WARN L873 $PredicateComparison]: unable to prove that (and (not (fp.eq (fp.div c_currentRoundingMode c_~last_1_var_1_17~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_11~0)) ((_ to_fp 11 53) c_currentRoundingMode ((_ to_fp 8 24) c_currentRoundingMode (/ 4999998.0 5.0))))) (= ((_ extract 7 0) (bvadd ((_ zero_extend 24) c_~var_1_4~0) (bvneg ((_ zero_extend 24) c_~var_1_5~0)))) c_~var_1_1~0) (let ((.cse1 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse0 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1))) (fp.leq c_~var_1_18~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-11-08 19:15:47,458 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:15:55,672 WARN L286 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:16:04,020 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:16:12,417 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:16:20,855 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 19:16:29,213 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)