./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB --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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:06:32,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:06:32,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-27 20:06:32,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:06:32,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:06:32,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:06:32,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:06:32,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:06:32,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:06:32,609 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:06:32,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:06:32,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:06:32,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:06:32,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:06:32,611 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:06:32,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:06:32,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:06:32,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:06:32,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:06:32,612 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:06:32,613 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:06:32,613 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:06:32,613 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:06:32,613 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:32,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:32,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:32,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:06:32,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:06:32,615 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:06:32,615 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:06:32,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:06:32,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:06:32,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:06:32,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:06:32,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:06:32,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:06:32,616 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_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2024-11-27 20:06:32,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:06:32,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:06:32,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:06:32,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:06:32,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:06:32,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-11-27 20:06:36,821 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/c56d87c44/b3160b48286a4cf88a1d7384450a8eff/FLAGed840c5f6 [2024-11-27 20:06:37,198 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:37,199 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-11-27 20:06:37,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/c56d87c44/b3160b48286a4cf88a1d7384450a8eff/FLAGed840c5f6 [2024-11-27 20:06:37,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/c56d87c44/b3160b48286a4cf88a1d7384450a8eff [2024-11-27 20:06:37,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:37,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:37,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:37,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:37,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:37,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed01837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37, skipping insertion in model container [2024-11-27 20:06:37,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:37,534 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_800d6a1e-be57-4f16-94b9-e5ceccbab644/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-11-27 20:06:37,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:37,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:37,646 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_800d6a1e-be57-4f16-94b9-e5ceccbab644/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-11-27 20:06:37,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:37,704 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:37,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37 WrapperNode [2024-11-27 20:06:37,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:37,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:37,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:37,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:37,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,784 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 66 [2024-11-27 20:06:37,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:37,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:37,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:37,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:37,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,843 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]. [2024-11-27 20:06:37,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,856 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,858 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:37,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:37,886 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:37,886 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:37,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (1/1) ... [2024-11-27 20:06:37,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:37,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:37,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:06:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:06:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:06:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:38,055 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:38,058 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:38,350 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:06:38,351 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:06:38,366 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:06:38,366 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:06:38,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:38 BoogieIcfgContainer [2024-11-27 20:06:38,367 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:06:38,370 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:06:38,371 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:06:38,379 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:06:38,379 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:06:37" (1/3) ... [2024-11-27 20:06:38,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e363b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:38, skipping insertion in model container [2024-11-27 20:06:38,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:37" (2/3) ... [2024-11-27 20:06:38,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e363b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:38, skipping insertion in model container [2024-11-27 20:06:38,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:38" (3/3) ... [2024-11-27 20:06:38,383 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-32.i [2024-11-27 20:06:38,405 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:06:38,407 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-32.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:06:38,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:06:38,518 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;@36321d85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:06:38,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:06:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:06:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:06:38,541 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:38,542 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:38,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:38,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:38,551 INFO L85 PathProgramCache]: Analyzing trace with hash 176991990, now seen corresponding path program 1 times [2024-11-27 20:06:38,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:38,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943351306] [2024-11-27 20:06:38,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:38,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 20:06:38,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:06:38,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943351306] [2024-11-27 20:06:38,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943351306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:06:38,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748828068] [2024-11-27 20:06:38,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:06:38,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:38,909 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:06:38,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:06:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:39,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:06:39,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 20:06:39,126 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748828068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:39,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:06:39,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-27 20:06:39,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651942845] [2024-11-27 20:06:39,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:39,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:06:39,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:06:39,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:06:39,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:39,182 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:06:39,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:39,224 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-27 20:06:39,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:06:39,232 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-27 20:06:39,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:39,243 INFO L225 Difference]: With dead ends: 57 [2024-11-27 20:06:39,243 INFO L226 Difference]: Without dead ends: 28 [2024-11-27 20:06:39,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:39,256 INFO L435 NwaCegarLoop]: 35 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, 35 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 [2024-11-27 20:06:39,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:06:39,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-27 20:06:39,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-27 20:06:39,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:06:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-27 20:06:39,339 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-27 20:06:39,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:39,339 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-27 20:06:39,340 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, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:06:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-27 20:06:39,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:06:39,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:39,343 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:39,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:06:39,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-27 20:06:39,547 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:39,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:39,549 INFO L85 PathProgramCache]: Analyzing trace with hash -801961800, now seen corresponding path program 1 times [2024-11-27 20:06:39,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:06:39,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775449225] [2024-11-27 20:06:39,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:39,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:06:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:39,673 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:06:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:06:39,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-27 20:06:39,848 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-27 20:06:39,850 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:06:39,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:06:39,855 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-27 20:06:39,928 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:06:39,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:06:39 BoogieIcfgContainer [2024-11-27 20:06:39,933 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:06:39,934 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:06:39,934 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:06:39,934 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:06:39,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:38" (3/4) ... [2024-11-27 20:06:39,939 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-27 20:06:39,940 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:06:39,941 INFO L158 Benchmark]: Toolchain (without parser) took 2688.32ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.9MB in the end (delta: 13.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-11-27 20:06:39,941 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:39,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.49ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:39,942 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.52ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:39,942 INFO L158 Benchmark]: Boogie Preprocessor took 99.17ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:39,943 INFO L158 Benchmark]: RCFGBuilder took 481.57ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 63.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:06:39,943 INFO L158 Benchmark]: TraceAbstraction took 1562.95ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 79.0MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:39,943 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:06:39,946 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.49ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.5MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.52ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.17ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 76.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.57ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 63.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1562.95ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 79.0MB in the end (delta: -15.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.9MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 4; [L23] unsigned char var_1_2 = 1; [L24] signed short int var_1_5 = -32475; [L25] float var_1_7 = 7.2; [L26] float var_1_8 = 500.4; [L27] unsigned char var_1_9 = 10; [L28] unsigned char var_1_10 = 16; [L29] unsigned short int var_1_11 = 4; VAL [isInitial=0, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=1, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L60] isInitial = 1 [L61] FCALL initially() [L63] FCALL updateLastVariables() [L64] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_uchar() [L42] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L42] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L43] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L43] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-32475, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L44] var_1_5 = __VERIFIER_nondet_short() [L45] CALL assume_abort_if_not(var_1_5 >= -32766) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L45] RET assume_abort_if_not(var_1_5 >= -32766) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L46] CALL assume_abort_if_not(var_1_5 <= -16383) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L46] RET assume_abort_if_not(var_1_5 <= -16383) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_8=2502/5, var_1_9=10] [L47] var_1_8 = __VERIFIER_nondet_float() [L48] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L48] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L49] var_1_10 = __VERIFIER_nondet_uchar() [L50] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L50] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L51] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L51] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=36/5, var_1_9=10] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_7 = var_1_8 [L34] var_1_9 = var_1_10 VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L35] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L38] var_1_11 = var_1_1 VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L65] RET step() [L66] CALL, EXPR property() [L56-L57] return (((var_1_2 ? (var_1_1 == ((signed short int) ((((((var_1_9 + 16)) > (var_1_9)) ? ((var_1_9 + 16)) : (var_1_9))) - (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) - var_1_9)))) : 1) && (var_1_7 == ((float) var_1_8))) && (var_1_9 == ((unsigned char) var_1_10))) && (var_1_11 == ((unsigned short int) var_1_1)) ; VAL [\result=0, isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] [L19] reach_error() VAL [isInitial=1, var_1_10=-2, var_1_11=4, var_1_1=4, var_1_2=0, var_1_5=-16383, var_1_7=505, var_1_8=505, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 7, 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, 35 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, 35 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 98 SizeOfPredicates, 0 NumberOfNonLiveVariables, 132 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 156/168 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-27 20:06:39,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB --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 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:06:43,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:06:43,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-27 20:06:43,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:06:43,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:06:43,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:06:43,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:06:43,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:06:43,466 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:06:43,467 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:06:43,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:06:43,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:06:43,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:06:43,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:06:43,467 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:06:43,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:06:43,468 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 20:06:43,470 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:06:43,471 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:43,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:43,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:43,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:06:43,472 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:06:43,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:06:43,473 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_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 67d7a7169c3a651986674642d9c97cbbd9936901b5f185205eb535897337bc6e [2024-11-27 20:06:43,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:06:43,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:06:43,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:06:43,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:06:43,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:06:43,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-11-27 20:06:46,875 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/e581bc749/1268a395562149bbabf5313be751dfe2/FLAGac7f34e69 [2024-11-27 20:06:47,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:06:47,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i [2024-11-27 20:06:47,167 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/e581bc749/1268a395562149bbabf5313be751dfe2/FLAGac7f34e69 [2024-11-27 20:06:47,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/data/e581bc749/1268a395562149bbabf5313be751dfe2 [2024-11-27 20:06:47,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:06:47,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:06:47,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:47,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:06:47,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:06:47,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3619cb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47, skipping insertion in model container [2024-11-27 20:06:47,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,484 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:06:47,659 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_800d6a1e-be57-4f16-94b9-e5ceccbab644/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-11-27 20:06:47,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:47,728 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:06:47,739 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_800d6a1e-be57-4f16-94b9-e5ceccbab644/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-32.i[915,928] [2024-11-27 20:06:47,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:06:47,770 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:06:47,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47 WrapperNode [2024-11-27 20:06:47,771 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:06:47,772 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:47,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:06:47,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:06:47,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,804 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-27 20:06:47,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:06:47,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:06:47,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:06:47,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:06:47,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,822 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,838 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]. [2024-11-27 20:06:47,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:06:47,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:06:47,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:06:47,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:06:47,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (1/1) ... [2024-11-27 20:06:47,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:06:47,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:06:47,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:06:47,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:06:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:06:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-27 20:06:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:06:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:06:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:06:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:06:47,977 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:06:47,979 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:06:48,199 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-27 20:06:48,199 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:06:48,214 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:06:48,215 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:06:48,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:48 BoogieIcfgContainer [2024-11-27 20:06:48,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:06:48,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:06:48,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:06:48,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:06:48,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:06:47" (1/3) ... [2024-11-27 20:06:48,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391df94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:48, skipping insertion in model container [2024-11-27 20:06:48,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:06:47" (2/3) ... [2024-11-27 20:06:48,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391df94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:06:48, skipping insertion in model container [2024-11-27 20:06:48,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:48" (3/3) ... [2024-11-27 20:06:48,227 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-32.i [2024-11-27 20:06:48,243 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:06:48,245 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-32.i that has 2 procedures, 32 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-27 20:06:48,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:06:48,331 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;@7cf2ac87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:06:48,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-27 20:06:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:06:48,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:06:48,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:48,347 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:48,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:48,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:48,354 INFO L85 PathProgramCache]: Analyzing trace with hash 176991990, now seen corresponding path program 1 times [2024-11-27 20:06:48,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:06:48,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646527537] [2024-11-27 20:06:48,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:48,369 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 [2024-11-27 20:06:48,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:06:48,376 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:06:48,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:06:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:48,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-27 20:06:48,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:06:48,585 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-27 20:06:48,585 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:06:48,585 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:06:48,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646527537] [2024-11-27 20:06:48,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646527537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:06:48,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:06:48,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:06:48,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658787092] [2024-11-27 20:06:48,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:06:48,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:06:48,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:06:48,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:06:48,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:48,616 INFO L87 Difference]: Start difference. First operand has 32 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:06:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:06:48,640 INFO L93 Difference]: Finished difference Result 57 states and 85 transitions. [2024-11-27 20:06:48,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:06:48,643 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 50 [2024-11-27 20:06:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:06:48,650 INFO L225 Difference]: With dead ends: 57 [2024-11-27 20:06:48,650 INFO L226 Difference]: Without dead ends: 28 [2024-11-27 20:06:48,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:06:48,661 INFO L435 NwaCegarLoop]: 35 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, 35 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 [2024-11-27 20:06:48,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:06:48,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-27 20:06:48,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-11-27 20:06:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-27 20:06:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2024-11-27 20:06:48,710 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 50 [2024-11-27 20:06:48,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:06:48,712 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2024-11-27 20:06:48,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 20:06:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-11-27 20:06:48,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:06:48,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:06:48,714 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:06:48,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:06:48,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:06:48,919 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:06:48,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:06:48,920 INFO L85 PathProgramCache]: Analyzing trace with hash -801961800, now seen corresponding path program 1 times [2024-11-27 20:06:48,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:06:48,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801158553] [2024-11-27 20:06:48,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:06:48,921 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 [2024-11-27 20:06:48,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:06:48,922 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:06:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:06:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:06:49,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:06:49,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-27 20:07:00,212 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 20:07:17,071 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:07:17,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801158553] [2024-11-27 20:07:17,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801158553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:17,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:17,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-27 20:07:17,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665995351] [2024-11-27 20:07:17,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:17,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 20:07:17,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:07:17,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:07:17,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:07:17,075 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 20:07:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:20,813 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2024-11-27 20:07:20,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:07:20,814 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 50 [2024-11-27 20:07:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:20,815 INFO L225 Difference]: With dead ends: 57 [2024-11-27 20:07:20,815 INFO L226 Difference]: Without dead ends: 55 [2024-11-27 20:07:20,816 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=239, Invalid=691, Unknown=0, NotChecked=0, Total=930 [2024-11-27 20:07:20,817 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 91 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:20,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 171 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-27 20:07:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-27 20:07:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2024-11-27 20:07:20,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.0625) internal successors, (34), 33 states have internal predecessors, (34), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-27 20:07:20,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2024-11-27 20:07:20,827 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 56 transitions. Word has length 50 [2024-11-27 20:07:20,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:20,828 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 56 transitions. [2024-11-27 20:07:20,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 20:07:20,828 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2024-11-27 20:07:20,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-27 20:07:20,829 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:07:20,829 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:07:20,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:07:21,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:07:21,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-27 20:07:21,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:07:21,034 INFO L85 PathProgramCache]: Analyzing trace with hash -859220102, now seen corresponding path program 1 times [2024-11-27 20:07:21,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-27 20:07:21,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097594958] [2024-11-27 20:07:21,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:07:21,034 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 [2024-11-27 20:07:21,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-27 20:07:21,038 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-27 20:07:21,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:07:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:07:21,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-27 20:07:21,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:07:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-27 20:07:31,711 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:07:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 20:07:35,326 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-27 20:07:35,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097594958] [2024-11-27 20:07:35,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097594958] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:07:35,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-27 20:07:35,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-27 20:07:35,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812597858] [2024-11-27 20:07:35,327 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-27 20:07:35,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 20:07:35,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-27 20:07:35,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:07:35,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:07:35,328 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 20:07:37,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:07:37,351 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2024-11-27 20:07:37,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:07:37,352 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 50 [2024-11-27 20:07:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:07:37,353 INFO L225 Difference]: With dead ends: 64 [2024-11-27 20:07:37,353 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:07:37,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-27 20:07:37,355 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 45 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:07:37,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 213 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:07:37,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:07:37,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:07:37,356 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) [2024-11-27 20:07:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:07:37,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2024-11-27 20:07:37,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:07:37,357 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:07:37,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.3157894736842106) internal successors, (44), 19 states have internal predecessors, (44), 4 states have call successors, (14), 3 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-27 20:07:37,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:07:37,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:07:37,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-27 20:07:37,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:07:37,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-27 20:07:37,563 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-27 20:07:37,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:07:38,910 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:07:38,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:07:38,919 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:07:38,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:07:38,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:07:38,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-27 20:07:38,920 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-27 20:07:38,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:07:38 BoogieIcfgContainer [2024-11-27 20:07:38,920 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:07:38,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:07:38,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:07:38,921 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:07:38,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:06:48" (3/4) ... [2024-11-27 20:07:38,924 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:07:38,930 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 20:07:38,935 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-27 20:07:38,935 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:07:38,935 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:07:38,938 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:07:39,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:07:39,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:07:39,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:07:39,027 INFO L158 Benchmark]: Toolchain (without parser) took 51569.37ms. Allocated memory was 109.1MB in the beginning and 838.9MB in the end (delta: 729.8MB). Free memory was 85.4MB in the beginning and 413.5MB in the end (delta: -328.2MB). Peak memory consumption was 400.5MB. Max. memory is 16.1GB. [2024-11-27 20:07:39,027 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:07:39,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.05ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 73.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:07:39,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.35ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:07:39,029 INFO L158 Benchmark]: Boogie Preprocessor took 45.94ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:07:39,029 INFO L158 Benchmark]: RCFGBuilder took 360.24ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 58.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:07:39,030 INFO L158 Benchmark]: TraceAbstraction took 50702.00ms. Allocated memory was 109.1MB in the beginning and 838.9MB in the end (delta: 729.8MB). Free memory was 57.6MB in the beginning and 417.9MB in the end (delta: -360.3MB). Peak memory consumption was 366.9MB. Max. memory is 16.1GB. [2024-11-27 20:07:39,031 INFO L158 Benchmark]: Witness Printer took 104.85ms. Allocated memory is still 838.9MB. Free memory was 417.9MB in the beginning and 413.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:07:39,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.05ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 73.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.35ms. Allocated memory is still 109.1MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.94ms. Allocated memory is still 109.1MB. Free memory was 71.6MB in the beginning and 69.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 360.24ms. Allocated memory is still 109.1MB. Free memory was 69.8MB in the beginning and 58.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 50702.00ms. Allocated memory was 109.1MB in the beginning and 838.9MB in the end (delta: 729.8MB). Free memory was 57.6MB in the beginning and 417.9MB in the end (delta: -360.3MB). Peak memory consumption was 366.9MB. Max. memory is 16.1GB. * Witness Printer took 104.85ms. Allocated memory is still 838.9MB. Free memory was 417.9MB in the beginning and 413.5MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 49.3s, OverallIterations: 3, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 136 mSDsluCounter, 419 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 317 mSDsCounter, 75 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 484 IncrementalHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 75 mSolverCounterUnsat, 102 mSDtfsCounter, 484 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 278 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=2, InterpolantAutomatonStates: 39, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 42.2s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 245 ConstructedInterpolants, 3 QuantifiedInterpolants, 7371 SizeOfPredicates, 26 NumberOfNonLiveVariables, 265 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 328/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:07:39,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800d6a1e-be57-4f16-94b9-e5ceccbab644/bin/uautomizer-verify-aQ6SnzHsRB/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 Writing output log to file Ultimate.log Result: TRUE