./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.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_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:41:47,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:41:47,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:41:47,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:41:47,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:41:47,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:41:47,931 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:41:47,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:41:47,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:41:47,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:41:47,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:41:47,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:41:47,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:41:47,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:41:47,932 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:41:47,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:41:47,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:41:47,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:41:47,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:41:47,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:41:47,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:41:47,933 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:41:47,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:41:47,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:41:47,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:41:47,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:41:47,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:41:47,935 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_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 -> 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf [2024-11-13 13:41:48,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:41:48,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:41:48,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:41:48,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:41:48,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:41:48,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i Unable to find full path for "g++" [2024-11-13 13:41:50,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:41:50,356 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:41:50,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i [2024-11-13 13:41:50,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data/32fd00451/fd7890df2fc84a23a690287accc1a1c1/FLAG0a3d0e63d [2024-11-13 13:41:50,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data/32fd00451/fd7890df2fc84a23a690287accc1a1c1 [2024-11-13 13:41:50,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:41:50,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:41:50,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:50,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:41:50,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:41:50,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7059377c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50, skipping insertion in model container [2024-11-13 13:41:50,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:41:50,584 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_9f67d50f-35ca-46d8-883e-039a20b1ac96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2024-11-13 13:41:50,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:50,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:41:50,677 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_9f67d50f-35ca-46d8-883e-039a20b1ac96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2024-11-13 13:41:50,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:50,732 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:41:50,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50 WrapperNode [2024-11-13 13:41:50,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:50,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:50,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:41:50,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:41:50,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,789 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 119 [2024-11-13 13:41:50,793 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:50,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:41:50,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:41:50,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:41:50,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,831 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 13:41:50,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:41:50,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:41:50,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:41:50,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:41:50,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (1/1) ... [2024-11-13 13:41:50,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:41:50,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:50,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:50,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:41:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:41:50,920 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:41:50,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:41:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:41:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:41:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:41:50,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:41:50,999 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:41:51,300 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 13:41:51,300 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:41:51,312 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:41:51,313 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:41:51,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:51 BoogieIcfgContainer [2024-11-13 13:41:51,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:41:51,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:41:51,318 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:41:51,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:41:51,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:41:50" (1/3) ... [2024-11-13 13:41:51,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c98422f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:51, skipping insertion in model container [2024-11-13 13:41:51,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:50" (2/3) ... [2024-11-13 13:41:51,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c98422f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:51, skipping insertion in model container [2024-11-13 13:41:51,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:51" (3/3) ... [2024-11-13 13:41:51,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-36.i [2024-11-13 13:41:51,340 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:41:51,341 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-36.i that has 2 procedures, 53 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:41:51,392 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:41:51,404 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;@2f74f056, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:41:51,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:41:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:41:51,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:41:51,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:51,419 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:51,420 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:51,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash 620361296, now seen corresponding path program 1 times [2024-11-13 13:41:51,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:51,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577399310] [2024-11-13 13:41:51,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:51,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:41:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 13:41:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:41:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:41:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 13:41:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:41:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:41:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 13:41:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:41:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:41:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:41:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 13:41:51,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:51,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577399310] [2024-11-13 13:41:51,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577399310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:51,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:51,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:41:51,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647408262] [2024-11-13 13:41:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:51,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:41:51,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:51,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:41:51,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:41:51,816 INFO L87 Difference]: Start difference. First operand has 53 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:41:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:51,838 INFO L93 Difference]: Finished difference Result 99 states and 157 transitions. [2024-11-13 13:41:51,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:41:51,840 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 80 [2024-11-13 13:41:51,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:51,846 INFO L225 Difference]: With dead ends: 99 [2024-11-13 13:41:51,846 INFO L226 Difference]: Without dead ends: 49 [2024-11-13 13:41:51,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 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 13:41:51,854 INFO L432 NwaCegarLoop]: 69 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, 69 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 13:41:51,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:41:51,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-13 13:41:51,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-13 13:41:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:41:51,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 69 transitions. [2024-11-13 13:41:51,908 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 69 transitions. Word has length 80 [2024-11-13 13:41:51,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:51,910 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 69 transitions. [2024-11-13 13:41:51,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:41:51,910 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 69 transitions. [2024-11-13 13:41:51,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:41:51,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:51,915 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:51,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:41:51,915 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:51,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:51,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1967374122, now seen corresponding path program 1 times [2024-11-13 13:41:51,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:51,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156254661] [2024-11-13 13:41:51,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:51,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:41:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 13:41:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:41:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:41:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 13:41:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:41:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:41:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 13:41:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:41:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:41:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:41:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,331 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 13:41:52,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:52,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156254661] [2024-11-13 13:41:52,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156254661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:52,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:52,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:41:52,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114222146] [2024-11-13 13:41:52,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:52,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:41:52,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:52,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:41:52,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:52,338 INFO L87 Difference]: Start difference. First operand 49 states and 69 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:41:52,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:52,401 INFO L93 Difference]: Finished difference Result 96 states and 137 transitions. [2024-11-13 13:41:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:41:52,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 80 [2024-11-13 13:41:52,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:52,403 INFO L225 Difference]: With dead ends: 96 [2024-11-13 13:41:52,404 INFO L226 Difference]: Without dead ends: 50 [2024-11-13 13:41:52,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:41:52,406 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:52,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:41:52,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-13 13:41:52,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-13 13:41:52,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 37 states have internal predecessors, (48), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:41:52,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 70 transitions. [2024-11-13 13:41:52,419 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 70 transitions. Word has length 80 [2024-11-13 13:41:52,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:52,420 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 70 transitions. [2024-11-13 13:41:52,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:41:52,420 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 70 transitions. [2024-11-13 13:41:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 13:41:52,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:52,422 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:52,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:41:52,422 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:52,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1266309544, now seen corresponding path program 1 times [2024-11-13 13:41:52,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:52,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456401621] [2024-11-13 13:41:52,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:52,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:41:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-13 13:41:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:41:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:41:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-13 13:41:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:41:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:41:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 13:41:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 13:41:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-13 13:41:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-13 13:41:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:41:52,793 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 13:41:52,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:41:52,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456401621] [2024-11-13 13:41:52,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456401621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:41:52,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:41:52,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:41:52,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238652831] [2024-11-13 13:41:52,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:41:52,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:41:52,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:41:52,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:41:52,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:41:52,795 INFO L87 Difference]: Start difference. First operand 50 states and 70 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:41:52,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:41:52,951 INFO L93 Difference]: Finished difference Result 144 states and 204 transitions. [2024-11-13 13:41:52,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:41:52,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 80 [2024-11-13 13:41:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:41:52,955 INFO L225 Difference]: With dead ends: 144 [2024-11-13 13:41:52,955 INFO L226 Difference]: Without dead ends: 97 [2024-11-13 13:41:52,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 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 13:41:52,956 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:41:52,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 171 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:41:52,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-13 13:41:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2024-11-13 13:41:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 63 states have (on average 1.3015873015873016) internal successors, (82), 63 states have internal predecessors, (82), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:41:52,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 126 transitions. [2024-11-13 13:41:52,991 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 126 transitions. Word has length 80 [2024-11-13 13:41:52,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:41:52,994 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 126 transitions. [2024-11-13 13:41:52,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:41:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 126 transitions. [2024-11-13 13:41:52,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 13:41:52,995 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:52,996 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:52,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:41:52,996 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:52,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash 507212268, now seen corresponding path program 1 times [2024-11-13 13:41:52,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:41:52,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137197797] [2024-11-13 13:41:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:41:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:53,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:41:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:41:53,209 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:41:53,210 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:41:53,211 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:41:53,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:41:53,217 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 13:41:53,272 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:41:53,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:41:53 BoogieIcfgContainer [2024-11-13 13:41:53,275 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:41:53,276 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:41:53,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:41:53,276 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:41:53,277 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:51" (3/4) ... [2024-11-13 13:41:53,279 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:41:53,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:41:53,280 INFO L158 Benchmark]: Toolchain (without parser) took 2896.02ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 58.7MB in the end (delta: 33.7MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-11-13 13:41:53,281 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:53,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.89ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.1MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:41:53,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.67ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:53,281 INFO L158 Benchmark]: Boogie Preprocessor took 51.72ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:53,282 INFO L158 Benchmark]: RCFGBuilder took 467.29ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 59.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:41:53,282 INFO L158 Benchmark]: TraceAbstraction took 1957.22ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 58.7MB in the end (delta: 775.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:53,282 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 58.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:41:53,284 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.89ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 79.1MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.67ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.72ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.29ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 59.9MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1957.22ms. Allocated memory is still 117.4MB. Free memory was 59.5MB in the beginning and 58.7MB in the end (delta: 775.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 117.4MB. Free memory was 58.7MB in the beginning and 58.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 shiftRight at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 77, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of someBinaryDOUBLEComparisonOperation at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1; [L23] float var_1_3 = 999999999.875; [L24] unsigned char var_1_4 = 0; [L25] float var_1_5 = 4.25; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_9 = 1; [L28] double var_1_10 = 64.2; [L29] double var_1_11 = 9.5; [L30] double var_1_12 = 199.5; [L31] double var_1_13 = 3.5; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_16 = 2; [L34] unsigned char last_1_var_1_14 = 1; VAL [isInitial=0, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=7999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] CALL updateLastVariables() [L92] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_3=7999999999/8, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L102] RET updateLastVariables() [L103] CALL updateVariables() [L71] var_1_3 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=0, var_1_5=17/4, var_1_7=1, var_1_9=1] [L73] var_1_4 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_5=17/4, var_1_7=1, var_1_9=1] [L76] var_1_5 = __VERIFIER_nondet_float() [L77] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L77] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L79] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L80] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_11=19/2, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L82] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_12=399/2, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L83] var_1_12 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L84] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_13=7/2, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L85] var_1_13 = __VERIFIER_nondet_double() [L86] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L86] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=2, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L87] var_1_16 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L88] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L89] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L89] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L103] RET updateVariables() [L104] CALL step() [L38] EXPR last_1_var_1_14 >> last_1_var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L38] COND TRUE (last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14) [L39] var_1_7 = (var_1_4 || var_1_9) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=1, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L41] COND FALSE !(var_1_13 == (- var_1_12)) [L48] var_1_14 = 0 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=321/5, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L50] COND FALSE !(var_1_5 > var_1_3) [L53] var_1_10 = ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L55] unsigned char stepLocal_0 = var_1_10 > var_1_10; VAL [isInitial=1, last_1_var_1_14=1, stepLocal_0=0, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=254, var_1_1=1, var_1_4=1, var_1_7=1, var_1_9=1] [L56] COND FALSE !(stepLocal_0 && var_1_7) [L67] var_1_1 = var_1_14 VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR (((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L95-L96] return (((((var_1_10 > var_1_10) && var_1_7) ? ((((((var_1_10) > ((- var_1_10))) ? (var_1_10) : ((- var_1_10)))) != var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned long int) 10u)) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) : (var_1_1 == ((unsigned long int) var_1_14))) && (((last_1_var_1_14 >> last_1_var_1_14) < (- last_1_var_1_14)) ? (var_1_7 == ((unsigned char) (var_1_4 || var_1_9))) : 1)) && ((var_1_5 > var_1_3) ? (var_1_10 == ((double) 4.6)) : (var_1_10 == ((double) ((((var_1_11) > (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) ? (var_1_11) : (((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))))))) && ((var_1_13 == (- var_1_12)) ? ((var_1_7 && var_1_7) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : (var_1_14 == ((unsigned char) 0))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=1, var_1_10=1000000004, var_1_11=1000000004, var_1_12=1000000004, var_1_13=1000000004, var_1_14=0, var_1_16=254, var_1_1=0, var_1_4=1, var_1_7=1, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 52 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 364 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 198 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=3, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 237 ConstructedInterpolants, 0 QuantifiedInterpolants, 291 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 660/660 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 13:41:53,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:41:55,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:41:55,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:41:56,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:41:56,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:41:56,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:41:56,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:41:56,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:41:56,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:41:56,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:41:56,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:41:56,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:41:56,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:41:56,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:41:56,047 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:41:56,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:41:56,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:41:56,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:41:56,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:41:56,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:41:56,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:41:56,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:41:56,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:41:56,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:41:56,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:41:56,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:41:56,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:41:56,052 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_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 -> 156d83059fa084a0d4c62f504920b1dc57a83986f82463efa65e7b64f6920eaf [2024-11-13 13:41:56,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:41:56,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:41:56,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:41:56,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:41:56,380 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:41:56,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i Unable to find full path for "g++" [2024-11-13 13:41:58,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:41:58,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:41:58,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i [2024-11-13 13:41:58,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data/6e33b539e/bb07e565ac6640e782df2d95a8130daa/FLAG45a2b3b55 [2024-11-13 13:41:58,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/data/6e33b539e/bb07e565ac6640e782df2d95a8130daa [2024-11-13 13:41:58,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:41:58,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:41:58,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:58,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:41:58,724 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:41:58,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:58" (1/1) ... [2024-11-13 13:41:58,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307e0f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:58, skipping insertion in model container [2024-11-13 13:41:58,728 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:41:58" (1/1) ... [2024-11-13 13:41:58,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:41:58,911 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_9f67d50f-35ca-46d8-883e-039a20b1ac96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2024-11-13 13:41:58,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:59,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:41:59,013 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_9f67d50f-35ca-46d8-883e-039a20b1ac96/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-36.i[917,930] [2024-11-13 13:41:59,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:41:59,060 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:41:59,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59 WrapperNode [2024-11-13 13:41:59,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:41:59,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:59,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:41:59,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:41:59,071 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,118 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 100 [2024-11-13 13:41:59,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:41:59,119 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:41:59,119 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:41:59,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:41:59,131 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,134 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,158 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 13:41:59,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:41:59,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:41:59,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:41:59,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:41:59,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (1/1) ... [2024-11-13 13:41:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:41:59,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:41:59,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:41:59,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:41:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:41:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:41:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:41:59,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:41:59,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:41:59,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:41:59,337 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:41:59,339 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:41:59,678 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 13:41:59,678 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:41:59,691 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:41:59,692 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:41:59,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:59 BoogieIcfgContainer [2024-11-13 13:41:59,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:41:59,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:41:59,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:41:59,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:41:59,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:41:58" (1/3) ... [2024-11-13 13:41:59,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d85d1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:59, skipping insertion in model container [2024-11-13 13:41:59,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:41:59" (2/3) ... [2024-11-13 13:41:59,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d85d1ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:41:59, skipping insertion in model container [2024-11-13 13:41:59,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:41:59" (3/3) ... [2024-11-13 13:41:59,708 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-36.i [2024-11-13 13:41:59,724 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:41:59,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-36.i that has 2 procedures, 46 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:41:59,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:41:59,807 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;@30a3ad58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:41:59,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:41:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:41:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:41:59,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:41:59,825 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:59,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:41:59,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:41:59,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1755495679, now seen corresponding path program 1 times [2024-11-13 13:41:59,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:41:59,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1300931987] [2024-11-13 13:41:59,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:41:59,850 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 13:41:59,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:41:59,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:41:59,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:42:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:00,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:42:00,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:42:00,129 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-13 13:42:00,130 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:42:00,130 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:42:00,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1300931987] [2024-11-13 13:42:00,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1300931987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:42:00,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:42:00,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:42:00,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197572695] [2024-11-13 13:42:00,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:42:00,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:42:00,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:42:00,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:42:00,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:42:00,164 INFO L87 Difference]: Start difference. First operand has 46 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:42:00,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:42:00,194 INFO L93 Difference]: Finished difference Result 85 states and 137 transitions. [2024-11-13 13:42:00,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:42:00,197 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2024-11-13 13:42:00,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:42:00,204 INFO L225 Difference]: With dead ends: 85 [2024-11-13 13:42:00,205 INFO L226 Difference]: Without dead ends: 42 [2024-11-13 13:42:00,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 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 13:42:00,214 INFO L432 NwaCegarLoop]: 58 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, 58 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 13:42:00,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:42:00,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-13 13:42:00,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-13 13:42:00,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 29 states have internal predecessors, (36), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:42:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 58 transitions. [2024-11-13 13:42:00,262 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 58 transitions. Word has length 77 [2024-11-13 13:42:00,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:42:00,263 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 58 transitions. [2024-11-13 13:42:00,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:42:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2024-11-13 13:42:00,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:42:00,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:42:00,268 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:42:00,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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)] Forceful destruction successful, exit code 0 [2024-11-13 13:42:00,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:42:00,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:42:00,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:42:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash 2102578747, now seen corresponding path program 1 times [2024-11-13 13:42:00,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:42:00,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [198031742] [2024-11-13 13:42:00,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:42:00,471 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 13:42:00,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:42:00,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:42:00,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:42:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:42:00,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:42:00,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:45:51,985 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 13:45:51,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:45:51,986 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:45:51,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [198031742] [2024-11-13 13:45:51,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [198031742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:45:51,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:45:51,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 13:45:51,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939848261] [2024-11-13 13:45:51,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:45:51,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:45:51,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:45:51,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:45:51,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:45:51,991 INFO L87 Difference]: Start difference. First operand 42 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:45:52,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:45:52,880 INFO L93 Difference]: Finished difference Result 141 states and 196 transitions. [2024-11-13 13:45:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:45:52,883 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77 [2024-11-13 13:45:52,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:45:52,885 INFO L225 Difference]: With dead ends: 141 [2024-11-13 13:45:52,885 INFO L226 Difference]: Without dead ends: 102 [2024-11-13 13:45:52,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:45:52,887 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 73 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:45:52,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 236 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:45:52,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-13 13:45:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 76. [2024-11-13 13:45:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 51 states have (on average 1.196078431372549) internal successors, (61), 51 states have internal predecessors, (61), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-13 13:45:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 105 transitions. [2024-11-13 13:45:52,910 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 105 transitions. Word has length 77 [2024-11-13 13:45:52,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:45:52,911 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 105 transitions. [2024-11-13 13:45:52,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:45:52,911 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2024-11-13 13:45:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:45:52,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:45:52,914 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:45:52,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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)] Ended with exit code 0 [2024-11-13 13:45:53,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:45:53,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:45:53,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:45:53,117 INFO L85 PathProgramCache]: Analyzing trace with hash -417381187, now seen corresponding path program 1 times [2024-11-13 13:45:53,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:45:53,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [64420306] [2024-11-13 13:45:53,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:45:53,118 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 13:45:53,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:45:53,120 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:45:53,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f67d50f-35ca-46d8-883e-039a20b1ac96/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 13:45:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:45:53,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 13:45:53,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:51:57,191 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 132 proven. 18 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-13 13:51:57,192 INFO L311 TraceCheckSpWp]: Computing backward predicates...