./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd --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 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:47:41,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:47:42,026 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:47:42,032 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:47:42,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:47:42,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:47:42,075 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:47:42,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:47:42,076 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:47:42,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:47:42,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:47:42,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:47:42,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:47:42,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:47:42,079 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:47:42,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:47:42,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:47:42,080 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:47:42,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:47:42,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:47:42,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:47:42,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:47:42,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:47:42,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:47:42,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:47:42,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:47:42,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:47:42,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:47:42,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:47:42,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:47:42,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:47:42,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:47:42,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:47:42,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:47:42,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:47:42,083 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:47:42,083 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:47:42,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:47:42,084 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:47:42,084 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:47:42,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:47:42,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:47:42,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd 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 -> 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 [2024-11-13 13:47:42,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:47:42,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:47:42,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:47:42,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:47:42,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:47:42,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i Unable to find full path for "g++" [2024-11-13 13:47:45,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:47:45,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:47:45,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-13 13:47:45,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data/55eeeed2b/1e1abcc851a946d78304ff41ac5ff593/FLAG329d74076 [2024-11-13 13:47:45,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data/55eeeed2b/1e1abcc851a946d78304ff41ac5ff593 [2024-11-13 13:47:45,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:47:45,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:47:45,574 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:45,574 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:47:45,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:47:45,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:45,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40753224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45, skipping insertion in model container [2024-11-13 13:47:45,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:45,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:47:45,792 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_6435e6a3-de77-4758-bef7-ef89410b4e27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-13 13:47:45,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:45,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:47:45,919 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_6435e6a3-de77-4758-bef7-ef89410b4e27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-13 13:47:45,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:45,990 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:47:45,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45 WrapperNode [2024-11-13 13:47:45,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:45,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:45,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:47:45,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:47:46,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,018 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,065 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-13 13:47:46,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:46,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:47:46,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:47:46,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:47:46,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,083 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,106 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]. [2024-11-13 13:47:46,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:47:46,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:47:46,132 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:47:46,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:47:46,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (1/1) ... [2024-11-13 13:47:46,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:47:46,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:46,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:46,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:47:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:47:46,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:47:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:47:46,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:47:46,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:47:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:47:46,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:47:46,367 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:47:46,683 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 13:47:46,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:47:46,696 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:47:46,697 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:47:46,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:46 BoogieIcfgContainer [2024-11-13 13:47:46,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:47:46,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:47:46,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:47:46,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:47:46,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:47:45" (1/3) ... [2024-11-13 13:47:46,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e03b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:47:46, skipping insertion in model container [2024-11-13 13:47:46,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:45" (2/3) ... [2024-11-13 13:47:46,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e03b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:47:46, skipping insertion in model container [2024-11-13 13:47:46,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:46" (3/3) ... [2024-11-13 13:47:46,712 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-13 13:47:46,733 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:47:46,735 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-57.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:47:46,815 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:47:46,838 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;@3b2f6267, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:47:46,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:47:46,843 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:47:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 13:47:46,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:46,862 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:46,865 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:46,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:46,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2010165552, now seen corresponding path program 1 times [2024-11-13 13:47:46,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:46,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106093333] [2024-11-13 13:47:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:46,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 13:47:47,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:47,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106093333] [2024-11-13 13:47:47,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106093333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:47,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:47,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:47:47,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557221390] [2024-11-13 13:47:47,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:47,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:47:47,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:47,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:47:47,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:47:47,384 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:47:47,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:47,426 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2024-11-13 13:47:47,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:47:47,428 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-13 13:47:47,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:47,434 INFO L225 Difference]: With dead ends: 99 [2024-11-13 13:47:47,434 INFO L226 Difference]: Without dead ends: 49 [2024-11-13 13:47:47,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:47:47,441 INFO L432 NwaCegarLoop]: 71 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, 71 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 [2024-11-13 13:47:47,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:47:47,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-13 13:47:47,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-13 13:47:47,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:47:47,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-11-13 13:47:47,513 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 113 [2024-11-13 13:47:47,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:47,514 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-11-13 13:47:47,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:47:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-13 13:47:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 13:47:47,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:47,522 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:47:47,523 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:47,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:47,525 INFO L85 PathProgramCache]: Analyzing trace with hash -992501136, now seen corresponding path program 1 times [2024-11-13 13:47:47,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:47,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42474817] [2024-11-13 13:47:47,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:47,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:47:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:47:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:47:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:47:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:47:48,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-13 13:47:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:47:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-13 13:47:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:47:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 13:47:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:47:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 13:47:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-13 13:47:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 13:47:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:47:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 13:47:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:47:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 13:47:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 13:47:48,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:48,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42474817] [2024-11-13 13:47:48,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42474817] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:48,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:48,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:47:48,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445565810] [2024-11-13 13:47:48,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:48,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:47:48,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:48,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:47:48,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:47:48,353 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:47:48,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:48,715 INFO L93 Difference]: Finished difference Result 142 states and 208 transitions. [2024-11-13 13:47:48,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:47:48,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2024-11-13 13:47:48,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:48,720 INFO L225 Difference]: With dead ends: 142 [2024-11-13 13:47:48,720 INFO L226 Difference]: Without dead ends: 96 [2024-11-13 13:47:48,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:47:48,722 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 40 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:48,722 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 189 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:47:48,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-13 13:47:48,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 83. [2024-11-13 13:47:48,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 44 states have internal predecessors, (50), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 13:47:48,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2024-11-13 13:47:48,774 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 113 [2024-11-13 13:47:48,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:48,775 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2024-11-13 13:47:48,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:47:48,775 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2024-11-13 13:47:48,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 13:47:48,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:48,779 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:48,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:47:48,779 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:48,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:48,781 INFO L85 PathProgramCache]: Analyzing trace with hash 131281964, now seen corresponding path program 1 times [2024-11-13 13:47:48,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:48,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168214117] [2024-11-13 13:47:48,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:48,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:47:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:47:49,115 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:47:49,116 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:47:49,117 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:47:49,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:47:49,125 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 13:47:49,272 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:47:49,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:47:49 BoogieIcfgContainer [2024-11-13 13:47:49,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:47:49,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:47:49,278 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:47:49,278 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:47:49,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:46" (3/4) ... [2024-11-13 13:47:49,282 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:47:49,283 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:47:49,284 INFO L158 Benchmark]: Toolchain (without parser) took 3711.04ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 55.8MB in the end (delta: 36.1MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-13 13:47:49,284 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:49,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.37ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.2MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:49,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.29ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:49,286 INFO L158 Benchmark]: Boogie Preprocessor took 64.79ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:49,286 INFO L158 Benchmark]: RCFGBuilder took 566.14ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 59.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:47:49,287 INFO L158 Benchmark]: TraceAbstraction took 2575.18ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 55.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-13 13:47:49,287 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:49,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.37ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 79.2MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.29ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.79ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 566.14ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 59.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2575.18ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 55.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 55.8MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 1; [L26] signed char var_1_9 = 64; [L27] signed char var_1_10 = 4; [L28] signed char var_1_11 = -4; [L29] signed char var_1_12 = 32; [L30] signed char var_1_13 = 32; [L31] signed char var_1_14 = -64; [L32] signed char var_1_15 = 50; [L33] signed char var_1_16 = 16; [L34] float var_1_17 = 63.5; [L35] signed char last_1_var_1_9 = 64; [L36] signed char last_1_var_1_14 = -64; VAL [isInitial=0, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_9=64] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] CALL updateLastVariables() [L97] last_1_var_1_9 = var_1_9 [L98] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_9=64] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L68] var_1_4 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_5=0, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_5=0, var_1_6=1, var_1_9=64] [L69] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_5=0, var_1_6=1, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=64] [L70] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=0, var_1_6=1, var_1_9=64] [L71] var_1_5 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_6=1, var_1_9=64] [L72] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_6=1, var_1_9=64] [L73] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=1, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=1, var_1_9=64] [L73] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=1, var_1_9=64] [L74] var_1_6 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_9=64] [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_9=64] [L76] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L76] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L77] var_1_10 = __VERIFIER_nondet_char() [L78] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L78] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L79] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L79] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=-4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L80] var_1_11 = __VERIFIER_nondet_char() [L81] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L81] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L82] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L82] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=32, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L84] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L85] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L85] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=32, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L87] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L88] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L88] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=50, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L89] var_1_15 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L90] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L91] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L91] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=16, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L92] var_1_16 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L93] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L94] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L94] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L109] RET updateVariables() [L110] CALL step() [L40] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_0=-255, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L41] COND TRUE ! (last_1_var_1_14 >= last_1_var_1_9) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_0=-255, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=1, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L42] COND TRUE (var_1_4 || var_1_5) && stepLocal_0 [L43] var_1_1 = ((((last_1_var_1_9) < (last_1_var_1_14)) ? (last_1_var_1_9) : (last_1_var_1_14))) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L50] signed long int stepLocal_3 = (var_1_15 + var_1_16) - ((((64) > (var_1_13)) ? (64) : (var_1_13))); VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_3=63, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-64, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L51] COND TRUE var_1_12 < stepLocal_3 [L52] var_1_14 = ((64 - var_1_16) - var_1_13) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=127/2, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L56] var_1_17 = 128.91f [L57] unsigned char stepLocal_2 = var_1_14 == var_1_1; [L58] unsigned char stepLocal_1 = var_1_5; VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_1=-256, stepLocal_2=0, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=64] [L59] COND FALSE !(stepLocal_1 && var_1_4) [L64] var_1_9 = (var_1_12 - var_1_13) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, stepLocal_2=0, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] [L110] RET step() [L111] CALL, EXPR property() [L101-L102] return ((((! (last_1_var_1_14 >= last_1_var_1_9)) ? (((var_1_4 || var_1_5) && var_1_6) ? (var_1_1 == ((signed long int) ((((last_1_var_1_9) < (last_1_var_1_14)) ? (last_1_var_1_9) : (last_1_var_1_14))))) : (var_1_1 == ((signed long int) last_1_var_1_14))) : (var_1_1 == ((signed long int) last_1_var_1_14))) && ((var_1_5 && var_1_4) ? ((var_1_6 || (var_1_14 == var_1_1)) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1) : (var_1_9 == ((signed char) (var_1_12 - var_1_13))))) && ((var_1_12 < ((var_1_15 + var_1_16) - ((((64) > (var_1_13)) ? (64) : (var_1_13))))) ? (var_1_14 == ((signed char) ((64 - var_1_16) - var_1_13))) : (var_1_14 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))))) && (var_1_17 == ((float) 128.91f)) ; VAL [\result=0, isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=-64, last_1_var_1_9=64, var_1_10=4, var_1_11=4, var_1_12=62, var_1_13=64, var_1_14=-63, var_1_15=64, var_1_16=63, var_1_17=12891/100, var_1_1=-64, var_1_4=1, var_1_5=-256, var_1_6=-255, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 137 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=2, InterpolantAutomatonStates: 6, 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, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1224/1224 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 [2024-11-13 13:47:49,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd --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 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:47:52,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:47:52,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:47:52,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:47:52,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:47:52,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:47:52,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:47:52,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:47:52,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:47:52,790 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:47:52,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:47:52,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:47:52,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:47:52,791 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:47:52,791 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:47:52,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:47:52,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:47:52,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:47:52,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:47:52,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:47:52,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:47:52,794 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:47:52,794 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:47:52,794 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:47:52,796 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:47:52,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:47:52,796 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:47:52,796 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:47:52,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:47:52,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:47:52,797 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:47:52,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:47:52,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:47:52,797 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:47:52,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:47:52,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:47:52,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:47:52,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:47:52,799 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:47:52,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:47:52,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:47:52,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:47:52,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:47:52,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:47:52,800 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd 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 -> 5bbe68fb90de4f0709fb0afd99ee912b5cc4ae214f3f64ef6d7261966d1843e3 [2024-11-13 13:47:53,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:47:53,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:47:53,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:47:53,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:47:53,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:47:53,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i Unable to find full path for "g++" [2024-11-13 13:47:55,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:47:55,765 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:47:55,770 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-13 13:47:55,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data/54d6bb735/27cb72d83c964832ac014a2b3c6d3331/FLAGad5e05c95 [2024-11-13 13:47:55,826 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/data/54d6bb735/27cb72d83c964832ac014a2b3c6d3331 [2024-11-13 13:47:55,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:47:55,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:47:55,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:55,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:47:55,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:47:55,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:55" (1/1) ... [2024-11-13 13:47:55,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4ed446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:55, skipping insertion in model container [2024-11-13 13:47:55,847 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:47:55" (1/1) ... [2024-11-13 13:47:55,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:47:56,085 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_6435e6a3-de77-4758-bef7-ef89410b4e27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-13 13:47:56,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:56,204 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:47:56,219 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_6435e6a3-de77-4758-bef7-ef89410b4e27/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-57.i[917,930] [2024-11-13 13:47:56,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:47:56,293 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:47:56,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56 WrapperNode [2024-11-13 13:47:56,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:47:56,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:56,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:47:56,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:47:56,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,320 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,358 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-13 13:47:56,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:47:56,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:47:56,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:47:56,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:47:56,372 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,375 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,390 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]. [2024-11-13 13:47:56,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:47:56,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:47:56,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:47:56,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:47:56,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (1/1) ... [2024-11-13 13:47:56,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:47:56,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:56,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:47:56,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:47:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:47:56,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:47:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:47:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:47:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:47:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:47:56,641 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:47:56,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:47:57,067 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-13 13:47:57,068 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:47:57,085 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:47:57,086 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:47:57,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:57 BoogieIcfgContainer [2024-11-13 13:47:57,086 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:47:57,091 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:47:57,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:47:57,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:47:57,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:47:55" (1/3) ... [2024-11-13 13:47:57,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d319e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:47:57, skipping insertion in model container [2024-11-13 13:47:57,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:47:56" (2/3) ... [2024-11-13 13:47:57,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d319e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:47:57, skipping insertion in model container [2024-11-13 13:47:57,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:47:57" (3/3) ... [2024-11-13 13:47:57,103 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-57.i [2024-11-13 13:47:57,123 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:47:57,126 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-57.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:47:57,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:47:57,220 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;@59583184, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:47:57,220 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:47:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:47:57,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 13:47:57,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:57,238 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:57,239 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:57,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:57,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2010165552, now seen corresponding path program 1 times [2024-11-13 13:47:57,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:57,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077974954] [2024-11-13 13:47:57,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:57,258 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 [2024-11-13 13:47:57,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:57,262 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:47:57,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:47:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:57,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:47:57,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-13 13:47:57,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:47:57,613 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:47:57,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077974954] [2024-11-13 13:47:57,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077974954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:57,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:57,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:47:57,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231238473] [2024-11-13 13:47:57,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:57,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:47:57,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:47:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:47:57,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:47:57,651 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 33 states have internal predecessors, (42), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:47:57,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:57,685 INFO L93 Difference]: Finished difference Result 99 states and 168 transitions. [2024-11-13 13:47:57,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:47:57,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 113 [2024-11-13 13:47:57,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:57,694 INFO L225 Difference]: With dead ends: 99 [2024-11-13 13:47:57,695 INFO L226 Difference]: Without dead ends: 49 [2024-11-13 13:47:57,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:47:57,702 INFO L432 NwaCegarLoop]: 71 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, 71 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 [2024-11-13 13:47:57,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:47:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-13 13:47:57,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-13 13:47:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:47:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 71 transitions. [2024-11-13 13:47:57,758 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 71 transitions. Word has length 113 [2024-11-13 13:47:57,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:57,758 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 71 transitions. [2024-11-13 13:47:57,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:47:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2024-11-13 13:47:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 13:47:57,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:57,762 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:57,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:47:57,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:47:57,965 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:47:57,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:57,966 INFO L85 PathProgramCache]: Analyzing trace with hash -992501136, now seen corresponding path program 1 times [2024-11-13 13:47:57,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:47:57,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297954222] [2024-11-13 13:47:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:57,968 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 [2024-11-13 13:47:57,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:47:57,971 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:47:57,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:47:58,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:58,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:47:58,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:59,533 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 13:47:59,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:47:59,535 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:47:59,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297954222] [2024-11-13 13:47:59,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297954222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:47:59,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:47:59,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:47:59,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460834144] [2024-11-13 13:47:59,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:47:59,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:47:59,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:47:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:47:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:47:59,539 INFO L87 Difference]: Start difference. First operand 49 states and 71 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:47:59,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:59,864 INFO L93 Difference]: Finished difference Result 142 states and 208 transitions. [2024-11-13 13:47:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:47:59,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 113 [2024-11-13 13:47:59,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:59,869 INFO L225 Difference]: With dead ends: 142 [2024-11-13 13:47:59,869 INFO L226 Difference]: Without dead ends: 96 [2024-11-13 13:47:59,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:47:59,871 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 37 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:59,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 189 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:47:59,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-13 13:47:59,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 83. [2024-11-13 13:47:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 44 states have (on average 1.1363636363636365) internal successors, (50), 44 states have internal predecessors, (50), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 13:47:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 122 transitions. [2024-11-13 13:47:59,930 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 122 transitions. Word has length 113 [2024-11-13 13:47:59,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:59,932 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 122 transitions. [2024-11-13 13:47:59,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-13 13:47:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 122 transitions. [2024-11-13 13:47:59,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 13:47:59,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:59,939 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:59,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:48:00,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:48:00,140 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:48:00,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:00,141 INFO L85 PathProgramCache]: Analyzing trace with hash 131281964, now seen corresponding path program 1 times [2024-11-13 13:48:00,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:48:00,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [395109578] [2024-11-13 13:48:00,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:00,142 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 [2024-11-13 13:48:00,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:48:00,145 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:48:00,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6435e6a3-de77-4758-bef7-ef89410b4e27/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:48:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:00,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-13 13:48:00,417 INFO L278 TraceCheckSpWp]: Computing forward predicates...