./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:33:44,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:33:44,809 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 15:33:44,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:33:44,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:33:44,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:33:44,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:33:44,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:33:44,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:33:44,840 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:33:44,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:33:44,841 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:33:44,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:33:44,841 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:33:44,842 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:33:44,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:33:44,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:33:44,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:33:44,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:33:44,843 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:33:44,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:33:44,844 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:33:44,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:33:44,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:33:44,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:33:44,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:33:44,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:44,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:33:44,845 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:33:44,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:33:44,846 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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2024-11-13 15:33:45,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:33:45,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:33:45,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:33:45,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:33:45,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:33:45,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i Unable to find full path for "g++" [2024-11-13 15:33:47,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:33:47,336 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:33:47,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-11-13 15:33:47,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data/20bdd23ae/6f3b2350cc694aaaaadd70d3e7f6395c/FLAG8e47bd0e1 [2024-11-13 15:33:47,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data/20bdd23ae/6f3b2350cc694aaaaadd70d3e7f6395c [2024-11-13 15:33:47,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:33:47,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:33:47,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:47,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:33:47,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:33:47,679 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6c4ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47, skipping insertion in model container [2024-11-13 15:33:47,680 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:33:47,837 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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-13 15:33:47,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:47,881 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:33:47,891 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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-13 15:33:47,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:47,917 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:33:47,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47 WrapperNode [2024-11-13 15:33:47,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:47,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:47,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:33:47,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:33:47,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,932 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,951 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2024-11-13 15:33:47,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:47,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:33:47,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:33:47,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:33:47,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,963 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,974 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 15:33:47,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,987 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,992 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:47,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:33:47,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:33:47,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:33:47,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:33:47,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (1/1) ... [2024-11-13 15:33:48,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:48,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:33:48,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:33:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:33:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:33:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:33:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:33:48,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:33:48,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:33:48,141 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:33:48,142 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:33:48,319 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 15:33:48,319 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:33:48,330 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:33:48,330 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:33:48,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:48 BoogieIcfgContainer [2024-11-13 15:33:48,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:33:48,333 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:33:48,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:33:48,338 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:33:48,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:33:47" (1/3) ... [2024-11-13 15:33:48,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c7f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:48, skipping insertion in model container [2024-11-13 15:33:48,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:47" (2/3) ... [2024-11-13 15:33:48,339 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c7f50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:33:48, skipping insertion in model container [2024-11-13 15:33:48,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:48" (3/3) ... [2024-11-13 15:33:48,341 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2024-11-13 15:33:48,357 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:33:48,359 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-61.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:33:48,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:33:48,440 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;@51be9bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:33:48,441 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:33:48,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 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 15:33:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 15:33:48,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:48,458 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] [2024-11-13 15:33:48,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:48,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:48,465 INFO L85 PathProgramCache]: Analyzing trace with hash 730451321, now seen corresponding path program 1 times [2024-11-13 15:33:48,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:48,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128021347] [2024-11-13 15:33:48,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:48,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 15:33:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 15:33:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 15:33:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 15:33:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 15:33:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 15:33:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 15:33:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 15:33:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:33:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:33:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:33:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:33:48,796 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 15:33:48,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:33:48,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128021347] [2024-11-13 15:33:48,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128021347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:33:48,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:33:48,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:33:48,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945527177] [2024-11-13 15:33:48,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:33:48,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:33:48,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:33:48,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:33:48,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:33:48,828 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 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 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 15:33:48,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:33:48,856 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-13 15:33:48,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:33:48,859 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 72 [2024-11-13 15:33:48,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:33:48,866 INFO L225 Difference]: With dead ends: 69 [2024-11-13 15:33:48,867 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 15:33:48,871 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 15:33:48,875 INFO L432 NwaCegarLoop]: 45 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, 45 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 15:33:48,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:33:48,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 15:33:48,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-13 15:33:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 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 15:33:48,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-13 15:33:48,924 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2024-11-13 15:33:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:33:48,925 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-13 15:33:48,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 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 15:33:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-13 15:33:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 15:33:48,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:33:48,931 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] [2024-11-13 15:33:48,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:33:48,932 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:33:48,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:33:48,935 INFO L85 PathProgramCache]: Analyzing trace with hash 910025079, now seen corresponding path program 1 times [2024-11-13 15:33:48,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:33:48,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335816787] [2024-11-13 15:33:48,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:33:48,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:33:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:49,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 15:33:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 15:33:49,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 15:33:49,227 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 15:33:49,232 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:33:49,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 15:33:49,240 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 15:33:49,301 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:33:49,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:33:49 BoogieIcfgContainer [2024-11-13 15:33:49,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:33:49,306 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:33:49,306 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:33:49,306 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:33:49,307 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:33:48" (3/4) ... [2024-11-13 15:33:49,309 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 15:33:49,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:33:49,311 INFO L158 Benchmark]: Toolchain (without parser) took 1639.83ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2024-11-13 15:33:49,312 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:49,312 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.30ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:49,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.72ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:49,313 INFO L158 Benchmark]: Boogie Preprocessor took 41.66ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:49,313 INFO L158 Benchmark]: RCFGBuilder took 336.34ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 66.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:33:49,314 INFO L158 Benchmark]: TraceAbstraction took 972.35ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 81.6MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:49,314 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.0MB in the end (delta: 597.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:33:49,316 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.30ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.72ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.4MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.66ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.34ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 66.4MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 972.35ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 81.6MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 81.0MB in the end (delta: 597.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 45, overapproximation of someBinaryDOUBLEComparisonOperation at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 0; [L23] double var_1_2 = 199.5; [L24] double var_1_3 = 10.25; [L25] signed char var_1_4 = 5; [L26] signed char var_1_5 = 64; [L27] signed char var_1_6 = 8; [L28] signed char var_1_7 = 5; [L29] unsigned long int var_1_8 = 8; VAL [isInitial=0, var_1_1=0, var_1_2=399/2, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] CALL assume_abort_if_not(var_1_2 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] RET assume_abort_if_not(var_1_2 != 0.0F) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L44] var_1_3 = __VERIFIER_nondet_double() [L45] 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, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L45] 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, var_1_1=0, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L46] var_1_4 = __VERIFIER_nondet_char() [L47] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L47] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L49] var_1_5 = __VERIFIER_nondet_char() [L50] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L50] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L51] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L51] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=8, var_1_7=5, var_1_8=8] [L52] var_1_6 = __VERIFIER_nondet_char() [L53] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L53] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L54] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L54] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=5, var_1_8=8] [L55] var_1_7 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L57] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L57] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_1=0, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L70] RET updateVariables() [L71] CALL step() [L33] COND TRUE (999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3 [L34] var_1_1 = (var_1_4 + -32) VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=8] [L38] var_1_8 = var_1_7 VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3) ? (var_1_1 == ((signed char) (var_1_4 + -32))) : (var_1_1 == ((signed char) (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) - var_1_7)))) && (var_1_8 == ((unsigned long int) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] [L19] reach_error() VAL [isInitial=1, var_1_1=4, var_1_4=36, var_1_5=126, var_1_6=125, var_1_7=0, var_1_8=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 45 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 15:33:49,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:33:51,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:33:52,119 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 15:33:52,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:33:52,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:33:52,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:33:52,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:33:52,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:33:52,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:33:52,181 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:33:52,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:33:52,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:33:52,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:33:52,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:33:52,183 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:33:52,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:33:52,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:33:52,184 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 15:33:52,185 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 15:33:52,185 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:33:52,185 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 15:33:52,185 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 15:33:52,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:33:52,185 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:33:52,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:33:52,186 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:33:52,186 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:33:52,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:33:52,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:52,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:33:52,187 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:33:52,187 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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2024-11-13 15:33:52,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:33:52,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:33:52,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:33:52,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:33:52,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:33:52,523 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i Unable to find full path for "g++" [2024-11-13 15:33:54,429 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:33:54,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:33:54,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2024-11-13 15:33:54,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data/1d037601c/0983dfff9515439bac37b5a467423331/FLAG5c75795bd [2024-11-13 15:33:54,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/data/1d037601c/0983dfff9515439bac37b5a467423331 [2024-11-13 15:33:54,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:33:54,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:33:54,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:54,718 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:33:54,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:33:54,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:54" (1/1) ... [2024-11-13 15:33:54,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ea12c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:54, skipping insertion in model container [2024-11-13 15:33:54,725 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:33:54" (1/1) ... [2024-11-13 15:33:54,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:33:54,902 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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-13 15:33:54,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:54,973 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:33:54,984 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_9ceb5aa1-c833-4f07-931e-e13d7b33f565/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2024-11-13 15:33:55,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:33:55,024 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:33:55,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55 WrapperNode [2024-11-13 15:33:55,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:33:55,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:55,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:33:55,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:33:55,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,075 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-13 15:33:55,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:33:55,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:33:55,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:33:55,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:33:55,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,091 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,109 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 15:33:55,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,123 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:33:55,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:33:55,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:33:55,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:33:55,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (1/1) ... [2024-11-13 15:33:55,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:33:55,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:33:55,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:33:55,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:33:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:33:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 15:33:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:33:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:33:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:33:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:33:55,290 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:33:55,292 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:34:05,266 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 15:34:05,266 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:34:05,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:34:05,282 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:34:05,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:34:05 BoogieIcfgContainer [2024-11-13 15:34:05,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:34:05,286 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:34:05,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:34:05,291 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:34:05,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:33:54" (1/3) ... [2024-11-13 15:34:05,292 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdf3ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:34:05, skipping insertion in model container [2024-11-13 15:34:05,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:33:55" (2/3) ... [2024-11-13 15:34:05,293 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdf3ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:34:05, skipping insertion in model container [2024-11-13 15:34:05,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:34:05" (3/3) ... [2024-11-13 15:34:05,294 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2024-11-13 15:34:05,310 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:34:05,312 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-61.i that has 2 procedures, 38 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:34:05,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:34:05,390 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;@650b8407, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:34:05,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:34:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 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 15:34:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 15:34:05,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:05,408 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] [2024-11-13 15:34:05,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:05,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:05,417 INFO L85 PathProgramCache]: Analyzing trace with hash 730451321, now seen corresponding path program 1 times [2024-11-13 15:34:05,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:34:05,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725561653] [2024-11-13 15:34:05,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:05,432 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 15:34:05,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:34:05,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:34:05,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:34:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:06,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 15:34:06,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:34:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 15:34:06,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:34:06,470 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:34:06,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725561653] [2024-11-13 15:34:06,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725561653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:34:06,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:34:06,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 15:34:06,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650687298] [2024-11-13 15:34:06,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:34:06,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 15:34:06,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:34:06,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 15:34:06,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 15:34:06,495 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 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 15:34:06,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:34:06,523 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-13 15:34:06,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 15:34:06,525 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (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 72 [2024-11-13 15:34:06,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:34:06,530 INFO L225 Difference]: With dead ends: 69 [2024-11-13 15:34:06,531 INFO L226 Difference]: Without dead ends: 34 [2024-11-13 15:34:06,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 15:34:06,536 INFO L432 NwaCegarLoop]: 45 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, 45 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 15:34:06,537 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 15:34:06,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2024-11-13 15:34:06,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2024-11-13 15:34:06,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 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 15:34:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2024-11-13 15:34:06,574 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2024-11-13 15:34:06,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:34:06,574 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2024-11-13 15:34:06,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (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 15:34:06,574 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2024-11-13 15:34:06,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 15:34:06,577 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:34:06,577 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] [2024-11-13 15:34:06,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-13 15:34:06,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:34:06,778 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:34:06,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:34:06,779 INFO L85 PathProgramCache]: Analyzing trace with hash 910025079, now seen corresponding path program 1 times [2024-11-13 15:34:06,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:34:06,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [331290088] [2024-11-13 15:34:06,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:34:06,780 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 15:34:06,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:34:06,784 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:34:06,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:34:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:34:07,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:34:07,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:34:16,160 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:34:25,296 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:34:35,091 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:34:39,207 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0)) is different from false [2024-11-13 15:34:43,311 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0)) is different from true [2024-11-13 15:34:51,731 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:35:01,207 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:35:07,600 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:35:12,742 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:35:21,110 WARN L286 SmtUtils]: Spent 8.37s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:35:25,225 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from false [2024-11-13 15:35:29,342 WARN L873 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= ((_ extract 7 0) (bvadd (_ bv4294967264 32) ((_ sign_extend 24) c_~var_1_4~0))) c_~var_1_1~0) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from true [2024-11-13 15:35:55,272 WARN L286 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:36:12,672 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:36:31,272 WARN L286 SmtUtils]: Spent 8.24s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:36:38,388 WARN L286 SmtUtils]: Spent 7.11s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:36:59,578 WARN L286 SmtUtils]: Spent 6.62s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:37:08,146 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:37:14,603 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:37:20,947 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 15:37:20,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:37:20,947 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:37:20,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [331290088] [2024-11-13 15:37:20,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [331290088] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:37:20,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:37:20,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:37:20,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3393796] [2024-11-13 15:37:20,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:37:20,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:37:20,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:37:20,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:37:20,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-13 15:37:20,951 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 15:37:25,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:37:25,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:37:25,288 INFO L93 Difference]: Finished difference Result 40 states and 51 transitions. [2024-11-13 15:37:25,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:37:25,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 72 [2024-11-13 15:37:25,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:37:25,292 INFO L225 Difference]: With dead ends: 40 [2024-11-13 15:37:25,292 INFO L226 Difference]: Without dead ends: 38 [2024-11-13 15:37:25,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-13 15:37:25,293 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 101 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:37:25,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 1 Unknown, 101 Unchecked, 4.3s Time] [2024-11-13 15:37:25,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-13 15:37:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-13 15:37:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 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 15:37:25,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2024-11-13 15:37:25,311 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 72 [2024-11-13 15:37:25,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:37:25,312 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2024-11-13 15:37:25,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 15:37:25,313 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-13 15:37:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 15:37:25,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:37:25,318 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] [2024-11-13 15:37:25,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:37:25,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:37:25,518 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:37:25,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:37:25,519 INFO L85 PathProgramCache]: Analyzing trace with hash 967283381, now seen corresponding path program 1 times [2024-11-13 15:37:25,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 15:37:25,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824819441] [2024-11-13 15:37:25,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:37:25,520 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 15:37:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 15:37:25,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:37:25,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:37:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:37:26,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 15:37:26,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:37:34,711 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:37:42,842 WARN L286 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:37:51,231 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:37:59,662 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:38:08,091 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:38:16,472 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:38:24,871 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:38:30,100 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from false [2024-11-13 15:38:34,202 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from true [2024-11-13 15:38:42,751 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:38:50,927 WARN L286 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:38:56,737 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:39:05,165 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:39:13,615 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:39:18,870 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:39:27,263 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:39:35,662 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:39:42,746 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from false [2024-11-13 15:39:46,866 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from true [2024-11-13 15:39:59,843 WARN L286 SmtUtils]: Spent 8.23s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:40:08,720 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:40:14,547 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:40:20,748 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:40:36,420 WARN L286 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:40:46,817 WARN L286 SmtUtils]: Spent 6.89s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:40:52,651 WARN L286 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:41:07,462 WARN L286 SmtUtils]: Spent 7.60s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:41:17,474 WARN L286 SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:41:26,247 WARN L286 SmtUtils]: Spent 8.27s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:41:32,928 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:41:43,588 WARN L286 SmtUtils]: Spent 7.87s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:42:04,788 WARN L286 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:42:48,667 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:42:57,135 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:43:14,088 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:43:37,580 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:43:42,904 WARN L286 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:43:50,594 WARN L286 SmtUtils]: Spent 7.69s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:43:59,094 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:04,849 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:13,336 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:22,684 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:31,899 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:43,084 WARN L286 SmtUtils]: Spent 8.31s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:51,481 WARN L286 SmtUtils]: Spent 8.40s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:57,099 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:44:59,150 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 15:44:59,150 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:44:59,150 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 15:44:59,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824819441] [2024-11-13 15:44:59,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824819441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:44:59,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:44:59,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 15:44:59,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914839781] [2024-11-13 15:44:59,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:44:59,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:44:59,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 15:44:59,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:44:59,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-13 15:44:59,153 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 15:45:03,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 15:45:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:45:03,555 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2024-11-13 15:45:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:45:03,556 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 72 [2024-11-13 15:45:03,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:45:03,557 INFO L225 Difference]: With dead ends: 38 [2024-11-13 15:45:03,557 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 15:45:03,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=9, Invalid=7, Unknown=4, NotChecked=10, Total=30 [2024-11-13 15:45:03,559 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 97 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:45:03,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 97 Unchecked, 4.4s Time] [2024-11-13 15:45:03,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 15:45:03,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 15:45:03,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 15:45:03,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 15:45:03,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-13 15:45:03,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:45:03,561 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 15:45:03,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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 15:45:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 15:45:03,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 15:45:03,565 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 15:45:03,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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)] Ended with exit code 0 [2024-11-13 15:45:03,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/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 15:45:03,769 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-13 15:45:03,771 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 15:45:03,799 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 15:45:03,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:45:03 BoogieIcfgContainer [2024-11-13 15:45:03,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 15:45:03,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 15:45:03,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 15:45:03,829 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 15:45:03,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:34:05" (3/4) ... [2024-11-13 15:45:03,833 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 15:45:03,840 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 15:45:03,848 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 15:45:03,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 15:45:03,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 15:45:03,850 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 15:45:03,976 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 15:45:03,977 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 15:45:03,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 15:45:03,978 INFO L158 Benchmark]: Toolchain (without parser) took 669262.23ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 92.4MB in the beginning and 300.7MB in the end (delta: -208.4MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-13 15:45:03,979 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:03,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.50ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:45:03,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.82ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:45:03,981 INFO L158 Benchmark]: Boogie Preprocessor took 67.58ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:03,983 INFO L158 Benchmark]: RCFGBuilder took 10138.08ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 64.0MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 15:45:03,984 INFO L158 Benchmark]: TraceAbstraction took 658537.74ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 63.4MB in the beginning and 304.6MB in the end (delta: -241.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-11-13 15:45:03,984 INFO L158 Benchmark]: Witness Printer took 149.27ms. Allocated memory is still 394.3MB. Free memory was 304.6MB in the beginning and 300.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 15:45:03,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.50ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.82ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.58ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10138.08ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 64.0MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 658537.74ms. Allocated memory was 117.4MB in the beginning and 394.3MB in the end (delta: 276.8MB). Free memory was 63.4MB in the beginning and 304.6MB in the end (delta: -241.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 149.27ms. Allocated memory is still 394.3MB. Free memory was 304.6MB in the beginning and 300.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 658.4s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 8.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 295 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 198 IncrementalHoareTripleChecker+Unchecked, 164 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 131 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 646.3s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 449 SizeOfPredicates, 18 NumberOfNonLiveVariables, 354 ConjunctsInSsa, 17 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_2 == \old(var_1_2))) && (var_1_3 == \old(var_1_3))) && (var_1_4 == \old(var_1_4))) && (var_1_5 == \old(var_1_5))) && (var_1_6 == \old(var_1_6))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) RESULT: Ultimate proved your program to be correct! [2024-11-13 15:45:04,208 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-13 15:45:04,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ceb5aa1-c833-4f07-931e-e13d7b33f565/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE