./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.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_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1 --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 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:40,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:40,587 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 05:49:40,591 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:40,591 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:40,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:40,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:40,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:40,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:40,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:40,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:40,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:40,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:40,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:40,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:40,614 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:40,615 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:40,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:40,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:40,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:40,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:40,616 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_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1 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 -> 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 [2024-12-02 05:49:40,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:40,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:40,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:40,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:40,845 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:40,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-12-02 05:49:43,476 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/e750f2e24/8646c8b43fa94118bee854649bacf254/FLAGb48857948 [2024-12-02 05:49:43,679 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:43,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-12-02 05:49:43,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/e750f2e24/8646c8b43fa94118bee854649bacf254/FLAGb48857948 [2024-12-02 05:49:44,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/e750f2e24/8646c8b43fa94118bee854649bacf254 [2024-12-02 05:49:44,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:44,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:44,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:44,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:44,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:44,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c40f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44, skipping insertion in model container [2024-12-02 05:49:44,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,076 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:44,182 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_4b9ad936-f51e-436d-9d07-2f3df84263f2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-12-02 05:49:44,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:44,231 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:44,240 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_4b9ad936-f51e-436d-9d07-2f3df84263f2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-12-02 05:49:44,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:44,272 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:44,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44 WrapperNode [2024-12-02 05:49:44,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:44,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:44,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:44,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:44,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,309 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-12-02 05:49:44,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:44,310 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:44,310 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:44,310 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:44,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,319 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,332 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]. [2024-12-02 05:49:44,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:44,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:44,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:44,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:44,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (1/1) ... [2024-12-02 05:49:44,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:44,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:44,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:44,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:44,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 05:49:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:44,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:44,459 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:44,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:49:44,653 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 05:49:44,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:49:44,661 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:49:44,661 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 05:49:44,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:44 BoogieIcfgContainer [2024-12-02 05:49:44,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:49:44,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:49:44,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:49:44,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:49:44,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:44" (1/3) ... [2024-12-02 05:49:44,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d60c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:44, skipping insertion in model container [2024-12-02 05:49:44,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:44" (2/3) ... [2024-12-02 05:49:44,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d60c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:44, skipping insertion in model container [2024-12-02 05:49:44,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:44" (3/3) ... [2024-12-02 05:49:44,671 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-12-02 05:49:44,687 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:49:44,688 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:49:44,745 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:49:44,757 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;@2600d79e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:49:44,757 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:49:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:49:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 05:49:44,767 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:44,768 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:44,768 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:44,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:44,772 INFO L85 PathProgramCache]: Analyzing trace with hash 230095265, now seen corresponding path program 1 times [2024-12-02 05:49:44,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:44,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221905230] [2024-12-02 05:49:44,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:44,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 05:49:44,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 05:49:44,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221905230] [2024-12-02 05:49:44,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221905230] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 05:49:44,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33133029] [2024-12-02 05:49:44,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:44,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 05:49:44,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:45,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 05:49:45,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 05:49:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:45,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:49:45,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 05:49:45,177 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:45,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [33133029] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:45,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 05:49:45,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 05:49:45,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7033193] [2024-12-02 05:49:45,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:45,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:49:45,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 05:49:45,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:49:45,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:45,206 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:49:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:45,230 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2024-12-02 05:49:45,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:49:45,232 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-12-02 05:49:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:45,238 INFO L225 Difference]: With dead ends: 111 [2024-12-02 05:49:45,238 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 05:49:45,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:45,244 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-12-02 05:49:45,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:45,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 05:49:45,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 05:49:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:49:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2024-12-02 05:49:45,280 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 117 [2024-12-02 05:49:45,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:45,280 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2024-12-02 05:49:45,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:49:45,281 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2024-12-02 05:49:45,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 05:49:45,283 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:45,283 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:45,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 05:49:45,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 05:49:45,484 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:45,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:45,485 INFO L85 PathProgramCache]: Analyzing trace with hash -2142180563, now seen corresponding path program 1 times [2024-12-02 05:49:45,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 05:49:45,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148022318] [2024-12-02 05:49:45,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:45,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 05:49:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:49:45,618 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 05:49:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 05:49:45,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 05:49:45,722 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 05:49:45,724 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 05:49:45,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 05:49:45,729 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 05:49:45,784 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 05:49:45,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:49:45 BoogieIcfgContainer [2024-12-02 05:49:45,788 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 05:49:45,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 05:49:45,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 05:49:45,789 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 05:49:45,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:44" (3/4) ... [2024-12-02 05:49:45,792 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 05:49:45,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 05:49:45,793 INFO L158 Benchmark]: Toolchain (without parser) took 1736.14ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 78.2MB in the end (delta: 38.2MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-02 05:49:45,794 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:45,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.59ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:49:45,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.31ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 101.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:45,794 INFO L158 Benchmark]: Boogie Preprocessor took 37.20ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:45,795 INFO L158 Benchmark]: RCFGBuilder took 313.57ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 84.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 05:49:45,795 INFO L158 Benchmark]: TraceAbstraction took 1124.13ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 78.2MB in the end (delta: 5.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2024-12-02 05:49:45,795 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 78.2MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 05:49:45,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 215.59ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 103.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.31ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 101.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.20ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 99.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 313.57ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 84.6MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1124.13ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 78.2MB in the end (delta: 5.8MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 78.2MB in the end (delta: 15.8kB). 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someUnaryDOUBLEoperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] unsigned long int var_1_2 = 2; [L24] unsigned long int var_1_3 = 5; [L25] float var_1_4 = 255.1; [L26] float var_1_5 = -0.6; [L27] signed short int var_1_6 = -10; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed char var_1_11 = -2; [L31] signed char var_1_12 = 10; [L32] signed char var_1_13 = 5; [L33] float var_1_14 = 499.375; [L34] float var_1_15 = 0.0; [L35] float var_1_16 = 63.2; [L36] float var_1_17 = 0.0; [L37] float var_1_18 = 15.75; [L38] float var_1_19 = 5.75; VAL [isInitial=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L105] isInitial = 1 [L106] FCALL initially() [L107] int k_loop; [L108] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L108] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L70] var_1_3 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L74] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L76] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L84] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L87] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L89] var_1_15 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L90] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L91] var_1_16 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L92] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L93] var_1_17 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L94] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L95] var_1_18 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L96] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L110] RET updateVariables() [L111] CALL step() [L42] unsigned long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=4294967263, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_2=4294967263, var_1_6=-10, var_1_7=0, var_1_8=1] [L43] COND TRUE stepLocal_0 >= (~ var_1_3) [L44] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L46] var_1_11 = (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13))))) [L47] signed char stepLocal_1 = var_1_12; VAL [isInitial=1, stepLocal_1=32, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=3995/8, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L48] COND FALSE !(stepLocal_1 != var_1_3) [L53] var_1_14 = var_1_18 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967268, var_1_18=4294967268, var_1_19=23/4, var_1_2=4294967263, var_1_3=32, var_1_6=-10, var_1_7=0, var_1_8=1] [L55] var_1_19 = var_1_5 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967268, var_1_18=4294967268, var_1_19=4294967269, var_1_2=4294967263, var_1_3=32, var_1_5=4294967269, var_1_6=-10, var_1_7=0, var_1_8=1] [L56] COND FALSE !(\read(var_1_7)) [L63] var_1_6 = var_1_11 VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967268, var_1_18=4294967268, var_1_19=4294967269, var_1_2=4294967263, var_1_3=32, var_1_5=4294967269, var_1_6=10, var_1_7=0, var_1_8=1] [L111] RET step() [L112] CALL, EXPR property() [L101-L102] return (((((var_1_2 >= (~ var_1_3)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_7 ? (var_1_8 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_11 == ((signed char) (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))))))) && ((var_1_12 != var_1_3) ? (var_1_7 ? (var_1_14 == ((float) ((var_1_15 - var_1_16) - (var_1_17 - var_1_18)))) : 1) : (var_1_14 == ((float) var_1_18)))) && (var_1_19 == ((float) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967268, var_1_18=4294967268, var_1_19=4294967269, var_1_2=4294967263, var_1_3=32, var_1_5=4294967269, var_1_6=10, var_1_7=0, var_1_8=1] [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967268, var_1_18=4294967268, var_1_19=4294967269, var_1_2=4294967263, var_1_3=32, var_1_5=4294967269, var_1_6=10, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [isInitial=1, var_1_11=10, var_1_12=32, var_1_13=31, var_1_14=4294967268, var_1_18=4294967268, var_1_19=4294967269, var_1_2=4294967263, var_1_3=32, var_1_5=4294967269, var_1_6=10, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 18, 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, 79 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, 79 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 351 NumberOfCodeBlocks, 351 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 267 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 05:49:45,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1 --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 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 05:49:47,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 05:49:47,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 05:49:47,770 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 05:49:47,770 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 05:49:47,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 05:49:47,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 05:49:47,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 05:49:47,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 05:49:47,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 05:49:47,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 05:49:47,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 05:49:47,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 05:49:47,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 05:49:47,792 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 05:49:47,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 05:49:47,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 05:49:47,794 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:47,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:47,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 05:49:47,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 05:49:47,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 05:49:47,795 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_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1 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 -> 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 [2024-12-02 05:49:48,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 05:49:48,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 05:49:48,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 05:49:48,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 05:49:48,041 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 05:49:48,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-12-02 05:49:50,794 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/0179262bc/1325fd7219004dcfa3308d1246336bd2/FLAG255df27e2 [2024-12-02 05:49:50,988 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 05:49:50,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-12-02 05:49:50,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/0179262bc/1325fd7219004dcfa3308d1246336bd2/FLAG255df27e2 [2024-12-02 05:49:51,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/data/0179262bc/1325fd7219004dcfa3308d1246336bd2 [2024-12-02 05:49:51,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 05:49:51,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 05:49:51,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:51,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 05:49:51,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 05:49:51,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3a643c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51, skipping insertion in model container [2024-12-02 05:49:51,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 05:49:51,175 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_4b9ad936-f51e-436d-9d07-2f3df84263f2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-12-02 05:49:51,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:51,234 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 05:49:51,245 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_4b9ad936-f51e-436d-9d07-2f3df84263f2/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-12-02 05:49:51,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 05:49:51,282 INFO L204 MainTranslator]: Completed translation [2024-12-02 05:49:51,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51 WrapperNode [2024-12-02 05:49:51,283 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 05:49:51,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:51,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 05:49:51,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 05:49:51,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,323 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-12-02 05:49:51,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 05:49:51,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 05:49:51,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 05:49:51,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 05:49:51,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,335 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,346 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]. [2024-12-02 05:49:51,347 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,347 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,354 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 05:49:51,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 05:49:51,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 05:49:51,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 05:49:51,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (1/1) ... [2024-12-02 05:49:51,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 05:49:51,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 05:49:51,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 05:49:51,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 05:49:51,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 05:49:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 05:49:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 05:49:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 05:49:51,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 05:49:51,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 05:49:51,487 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 05:49:51,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 05:49:53,287 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-12-02 05:49:53,287 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 05:49:53,296 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 05:49:53,296 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 05:49:53,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:53 BoogieIcfgContainer [2024-12-02 05:49:53,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 05:49:53,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 05:49:53,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 05:49:53,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 05:49:53,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:49:51" (1/3) ... [2024-12-02 05:49:53,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dba3ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:53, skipping insertion in model container [2024-12-02 05:49:53,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:49:51" (2/3) ... [2024-12-02 05:49:53,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dba3ea6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:49:53, skipping insertion in model container [2024-12-02 05:49:53,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:49:53" (3/3) ... [2024-12-02 05:49:53,305 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-12-02 05:49:53,318 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 05:49:53,320 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 05:49:53,361 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 05:49:53,370 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;@3d0b7ef4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 05:49:53,371 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 05:49:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:49:53,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 05:49:53,383 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:53,384 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:53,384 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:53,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:53,389 INFO L85 PathProgramCache]: Analyzing trace with hash 230095265, now seen corresponding path program 1 times [2024-12-02 05:49:53,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:49:53,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [181783114] [2024-12-02 05:49:53,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:53,399 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 [2024-12-02 05:49:53,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:49:53,401 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 05:49:53,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:49:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:53,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 05:49:53,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:49:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-02 05:49:53,788 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 05:49:53,789 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 05:49:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [181783114] [2024-12-02 05:49:53,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [181783114] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 05:49:53,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 05:49:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 05:49:53,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250681220] [2024-12-02 05:49:53,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 05:49:53,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 05:49:53,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 05:49:53,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 05:49:53,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:53,815 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:49:53,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 05:49:53,839 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2024-12-02 05:49:53,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 05:49:53,841 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2024-12-02 05:49:53,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 05:49:53,847 INFO L225 Difference]: With dead ends: 111 [2024-12-02 05:49:53,847 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 05:49:53,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 05:49:53,854 INFO L435 NwaCegarLoop]: 79 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, 79 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 [2024-12-02 05:49:53,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 05:49:53,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 05:49:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 05:49:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 33 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 05:49:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2024-12-02 05:49:53,890 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 117 [2024-12-02 05:49:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 05:49:53,891 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2024-12-02 05:49:53,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 05:49:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2024-12-02 05:49:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 05:49:53,894 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 05:49:53,894 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 05:49:53,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:49:54,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:49:54,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 05:49:54,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 05:49:54,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2142180563, now seen corresponding path program 1 times [2024-12-02 05:49:54,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 05:49:54,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066931444] [2024-12-02 05:49:54,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 05:49:54,097 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 [2024-12-02 05:49:54,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 05:49:54,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 05:49:54,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b9ad936-f51e-436d-9d07-2f3df84263f2/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 05:49:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 05:49:54,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-02 05:49:54,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 05:54:06,319 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 287 proven. 66 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-12-02 05:54:06,319 INFO L312 TraceCheckSpWp]: Computing backward predicates...