./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:23:03,660 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:23:03,713 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:23:03,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:23:03,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:23:03,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:23:03,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:23:03,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:23:03,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:23:03,737 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:23:03,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:23:03,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:23:03,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:23:03,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:23:03,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:23:03,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:03,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:03,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:03,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:23:03,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:23:03,740 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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 -> 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c [2024-12-02 15:23:03,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:23:03,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:23:03,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:23:03,984 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:23:03,985 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:23:03,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2024-12-02 15:23:06,645 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/f19c23b66/43b42f6693e74197886dfedd7e4343d4/FLAG66d50b338 [2024-12-02 15:23:06,858 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:23:06,859 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2024-12-02 15:23:06,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/f19c23b66/43b42f6693e74197886dfedd7e4343d4/FLAG66d50b338 [2024-12-02 15:23:07,195 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/f19c23b66/43b42f6693e74197886dfedd7e4343d4 [2024-12-02 15:23:07,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:23:07,198 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:23:07,199 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:07,199 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:23:07,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:23:07,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5cd18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07, skipping insertion in model container [2024-12-02 15:23:07,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:23:07,335 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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2024-12-02 15:23:07,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:07,396 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:23:07,404 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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2024-12-02 15:23:07,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:07,442 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:23:07,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07 WrapperNode [2024-12-02 15:23:07,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:07,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:07,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:23:07,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:23:07,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,487 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-12-02 15:23:07,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:07,488 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:23:07,488 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:23:07,488 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:23:07,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,513 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 15:23:07,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,523 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:23:07,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:23:07,537 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:23:07,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:23:07,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (1/1) ... [2024-12-02 15:23:07,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:07,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:07,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:23:07,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:23:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:23:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:23:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:23:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:23:07,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:23:07,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:23:07,640 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:23:07,642 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:23:07,898 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 15:23:07,898 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:23:07,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:23:07,908 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:23:07,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:07 BoogieIcfgContainer [2024-12-02 15:23:07,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:23:07,910 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:23:07,911 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:23:07,915 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:23:07,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:23:07" (1/3) ... [2024-12-02 15:23:07,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387f7a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:07, skipping insertion in model container [2024-12-02 15:23:07,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:07" (2/3) ... [2024-12-02 15:23:07,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@387f7a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:07, skipping insertion in model container [2024-12-02 15:23:07,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:07" (3/3) ... [2024-12-02 15:23:07,918 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-8.i [2024-12-02 15:23:07,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:23:07,934 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-8.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:23:07,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:23:07,988 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;@395633be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:23:07,988 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:23:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 15:23:08,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 15:23:08,013 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:08,013 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:08,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:08,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:08,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1152050323, now seen corresponding path program 1 times [2024-12-02 15:23:08,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:08,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092941376] [2024-12-02 15:23:08,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:08,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:08,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 15:23:08,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:08,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092941376] [2024-12-02 15:23:08,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092941376] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:23:08,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994175479] [2024-12-02 15:23:08,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:08,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:23:08,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:08,329 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:23:08,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:23:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:08,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:23:08,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:23:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2024-12-02 15:23:08,521 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:23:08,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994175479] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:08,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:23:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:23:08,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797278268] [2024-12-02 15:23:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:08,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:23:08,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:08,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:23:08,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:23:08,546 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:23:08,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:08,572 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2024-12-02 15:23:08,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:23:08,573 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-12-02 15:23:08,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:08,580 INFO L225 Difference]: With dead ends: 125 [2024-12-02 15:23:08,580 INFO L226 Difference]: Without dead ends: 62 [2024-12-02 15:23:08,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 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 15:23:08,585 INFO L435 NwaCegarLoop]: 95 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, 95 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 15:23:08,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:23:08,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-12-02 15:23:08,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-12-02 15:23:08,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 15:23:08,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2024-12-02 15:23:08,623 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 143 [2024-12-02 15:23:08,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:08,623 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2024-12-02 15:23:08,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:23:08,624 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-12-02 15:23:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 15:23:08,627 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:08,628 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:08,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:23:08,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 15:23:08,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:08,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:08,829 INFO L85 PathProgramCache]: Analyzing trace with hash -144105689, now seen corresponding path program 1 times [2024-12-02 15:23:08,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:08,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613807629] [2024-12-02 15:23:08,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:08,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:09,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2024-12-02 15:23:09,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:23:09,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613807629] [2024-12-02 15:23:09,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613807629] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:23:09,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709296759] [2024-12-02 15:23:09,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:09,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:23:09,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:09,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:23:09,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:23:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:09,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-02 15:23:09,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:23:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 15:23:10,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:23:10,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709296759] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:10,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:23:10,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 17 [2024-12-02 15:23:10,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423777545] [2024-12-02 15:23:10,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:10,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 15:23:10,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:23:10,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 15:23:10,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2024-12-02 15:23:10,367 INFO L87 Difference]: Start difference. First operand 62 states and 95 transitions. Second operand has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:23:11,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:11,813 INFO L93 Difference]: Finished difference Result 397 states and 587 transitions. [2024-12-02 15:23:11,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-02 15:23:11,814 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-12-02 15:23:11,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:11,820 INFO L225 Difference]: With dead ends: 397 [2024-12-02 15:23:11,820 INFO L226 Difference]: Without dead ends: 338 [2024-12-02 15:23:11,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=513, Invalid=1743, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 15:23:11,823 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 331 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 529 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 529 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:23:11,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 446 Invalid, 716 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 529 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:23:11,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-12-02 15:23:11,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 196. [2024-12-02 15:23:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 119 states have (on average 1.3109243697478992) internal successors, (156), 119 states have internal predecessors, (156), 69 states have call successors, (69), 7 states have call predecessors, (69), 7 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-12-02 15:23:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 294 transitions. [2024-12-02 15:23:11,901 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 294 transitions. Word has length 143 [2024-12-02 15:23:11,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:11,902 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 294 transitions. [2024-12-02 15:23:11,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 9 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:23:11,903 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 294 transitions. [2024-12-02 15:23:11,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 15:23:11,905 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:11,906 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:11,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:23:12,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-12-02 15:23:12,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:12,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:12,107 INFO L85 PathProgramCache]: Analyzing trace with hash -86847387, now seen corresponding path program 1 times [2024-12-02 15:23:12,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:23:12,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219927494] [2024-12-02 15:23:12,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:12,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:23:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:23:12,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665231344] [2024-12-02 15:23:12,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:12,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:23:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:12,222 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:23:12,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:23:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:23:12,444 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:23:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:23:12,550 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:23:12,550 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:23:12,551 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:23:12,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:23:12,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-12-02 15:23:12,755 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 15:23:12,815 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:23:12,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:23:12 BoogieIcfgContainer [2024-12-02 15:23:12,819 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:23:12,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:23:12,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:23:12,819 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:23:12,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:07" (3/4) ... [2024-12-02 15:23:12,822 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:23:12,823 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:23:12,823 INFO L158 Benchmark]: Toolchain (without parser) took 5625.36ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 54.3MB in the end (delta: 38.4MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2024-12-02 15:23:12,824 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:23:12,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.49ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:23:12,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.63ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:23:12,824 INFO L158 Benchmark]: Boogie Preprocessor took 47.56ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 67.3MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:23:12,825 INFO L158 Benchmark]: RCFGBuilder took 372.04ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 45.1MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:23:12,825 INFO L158 Benchmark]: TraceAbstraction took 4908.23ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 54.3MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:23:12,825 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 13.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:23:12,826 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.49ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 78.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.63ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 74.1MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.56ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 67.3MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 372.04ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 45.1MB in the end (delta: 22.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4908.23ms. Allocated memory is still 117.4MB. Free memory was 44.5MB in the beginning and 54.3MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 117.4MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 13.7kB). Peak memory consumption was 8.4MB. 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 97, overapproximation of someBinaryFLOATComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryDOUBLEComparisonOperation at line 99, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 999999999.675; [L23] signed long int var_1_4 = -5; [L24] float var_1_5 = 7.875; [L25] float var_1_6 = 99.04; [L26] signed long int var_1_7 = -2; [L27] unsigned long int var_1_9 = 1; [L28] double var_1_10 = 63.25; [L29] unsigned char var_1_11 = 0; [L30] unsigned short int var_1_13 = 0; [L31] unsigned short int var_1_15 = 17766; [L32] unsigned short int var_1_16 = 28149; [L33] unsigned char var_1_19 = 4; [L34] unsigned char var_1_20 = 50; [L35] unsigned char var_1_21 = 64; [L36] unsigned char var_1_22 = 50; [L37] unsigned char var_1_23 = 5; [L38] unsigned char var_1_24 = 128; [L39] signed long int var_1_25 = -16; [L40] unsigned char var_1_26 = 0; [L41] unsigned short int last_1_var_1_13 = 0; VAL [isInitial=0, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-5, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L134] isInitial = 1 [L135] FCALL initially() [L137] CALL updateLastVariables() [L127] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-5, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L137] RET updateLastVariables() [L138] CALL updateVariables() [L90] var_1_4 = __VERIFIER_nondet_long() [L91] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L91] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L92] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L93] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_5=63/8, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L94] var_1_5 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L95] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_6=2476/25, var_1_7=-2, var_1_9=1] [L96] var_1_6 = __VERIFIER_nondet_float() [L97] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L97] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_10=253/4, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L98] var_1_10 = __VERIFIER_nondet_double() [L99] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L99] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L100] CALL assume_abort_if_not(var_1_10 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L100] RET assume_abort_if_not(var_1_10 != 0.0F) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L101] var_1_11 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L102] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L103] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L103] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=17766, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L104] var_1_15 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L105] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L106] CALL assume_abort_if_not(var_1_15 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L106] RET assume_abort_if_not(var_1_15 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=28149, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L107] var_1_16 = __VERIFIER_nondet_ushort() [L108] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L108] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L109] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L109] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=50, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L110] var_1_20 = __VERIFIER_nondet_uchar() [L111] CALL assume_abort_if_not(var_1_20 >= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L111] RET assume_abort_if_not(var_1_20 >= 32) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L112] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L112] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L113] var_1_21 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_21 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L114] RET assume_abort_if_not(var_1_21 >= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L115] CALL assume_abort_if_not(var_1_21 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L115] RET assume_abort_if_not(var_1_21 <= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=50, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L116] var_1_22 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L117] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_22 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L118] RET assume_abort_if_not(var_1_22 <= 64) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=5, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L119] var_1_23 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L120] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L121] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L121] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=128, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L122] var_1_24 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_24 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L123] RET assume_abort_if_not(var_1_24 >= 127) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L124] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L124] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_1=39999999987/40, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L138] RET updateVariables() [L139] CALL step() [L45] COND TRUE last_1_var_1_13 == (last_1_var_1_13 % var_1_4) [L46] var_1_1 = (var_1_5 - var_1_6) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=4, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L48] COND FALSE !(var_1_10 == var_1_1) [L55] var_1_19 = var_1_24 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L57] COND FALSE !(var_1_19 < (var_1_21 / var_1_20)) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=-2, var_1_9=1] [L64] COND TRUE var_1_1 >= var_1_6 [L65] var_1_7 = var_1_19 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L67] COND FALSE !(((var_1_6 * var_1_5) / var_1_10) > var_1_1) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L74] COND FALSE !(var_1_7 < var_1_9) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=-16, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L77] COND FALSE !((25.3 * var_1_5) != var_1_1) [L86] var_1_25 = var_1_20 VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L139] RET step() [L140] CALL, EXPR property() [L130-L131] return (((((((last_1_var_1_13 == (last_1_var_1_13 % var_1_4)) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : 1) && ((var_1_1 >= var_1_6) ? (var_1_7 == ((signed long int) var_1_19)) : 1)) && ((((var_1_6 * var_1_5) / var_1_10) > var_1_1) ? (var_1_11 ? (var_1_9 == ((unsigned long int) var_1_26)) : (var_1_9 == ((unsigned long int) var_1_26))) : 1)) && ((var_1_7 < var_1_9) ? (var_1_13 == ((unsigned short int) (var_1_26 + (((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - (var_1_19 + var_1_19))))) : 1)) && ((var_1_10 == var_1_1) ? (var_1_11 ? (var_1_19 == ((unsigned char) (((32 + var_1_20) + var_1_21) - (var_1_22 + var_1_23)))) : (var_1_19 == ((unsigned char) (var_1_24 - var_1_23)))) : (var_1_19 == ((unsigned char) var_1_24)))) && (((25.3 * var_1_5) != var_1_1) ? (var_1_11 ? ((var_1_15 <= var_1_13) ? (var_1_25 == ((signed long int) var_1_26)) : 1) : (var_1_25 == ((signed long int) var_1_22))) : (var_1_25 == ((signed long int) var_1_20)))) && ((var_1_19 < (var_1_21 / var_1_20)) ? ((var_1_19 > var_1_19) ? (var_1_26 == ((unsigned char) ((((((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) > (var_1_23)) ? (((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) : (var_1_23))))) : (var_1_26 == ((unsigned char) var_1_22))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=0, var_1_11=1, var_1_13=0, var_1_15=16383, var_1_16=16384, var_1_19=-129, var_1_20=63, var_1_21=64, var_1_22=1, var_1_23=256, var_1_24=-129, var_1_25=63, var_1_26=0, var_1_4=-1, var_1_7=127, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 3, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 338 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 529 IncrementalHoareTripleChecker+Invalid, 716 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 203 mSDtfsCounter, 529 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 326 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 574 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196occurred in iteration=2, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 142 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 858 NumberOfCodeBlocks, 858 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 568 ConstructedInterpolants, 0 QuantifiedInterpolants, 1432 SizeOfPredicates, 4 NumberOfNonLiveVariables, 636 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4001/4048 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 15:23:12,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:23:14,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:23:14,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:23:14,869 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:23:14,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:23:14,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:23:14,899 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:23:14,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:23:14,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:23:14,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:23:14,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:23:14,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:23:14,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:23:14,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:23:14,901 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:23:14,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:23:14,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:23:14,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:23:14,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:23:14,903 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:14,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:23:14,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:14,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:23:14,904 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:23:14,905 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:23:14,905 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:23:14,905 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:23:14,905 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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 -> 7f986ecaae0eccbf9d66308ee73236b7e4a96fdb7fde7ebfe3c66891460ad55c [2024-12-02 15:23:15,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:23:15,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:23:15,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:23:15,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:23:15,165 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:23:15,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2024-12-02 15:23:17,984 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/6222d2c47/6aa4dfb60e284d6580685ae0dd313acb/FLAG49eadcb74 [2024-12-02 15:23:18,152 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:23:18,153 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i [2024-12-02 15:23:18,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/6222d2c47/6aa4dfb60e284d6580685ae0dd313acb/FLAG49eadcb74 [2024-12-02 15:23:18,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/data/6222d2c47/6aa4dfb60e284d6580685ae0dd313acb [2024-12-02 15:23:18,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:23:18,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:23:18,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:18,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:23:18,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:23:18,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e025a55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18, skipping insertion in model container [2024-12-02 15:23:18,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:23:18,655 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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2024-12-02 15:23:18,701 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:18,714 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:23:18,722 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_13dc6182-2e61-41db-a0b9-9e6b6550b50e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-8.i[914,927] [2024-12-02 15:23:18,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:23:18,761 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:23:18,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18 WrapperNode [2024-12-02 15:23:18,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:23:18,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:18,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:23:18,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:23:18,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,796 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 138 [2024-12-02 15:23:18,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:23:18,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:23:18,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:23:18,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:23:18,804 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,818 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 15:23:18,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,834 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:23:18,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:23:18,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:23:18,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:23:18,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (1/1) ... [2024-12-02 15:23:18,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:23:18,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:23:18,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:23:18,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:23:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:23:18,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:23:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:23:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:23:18,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:23:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:23:18,943 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:23:18,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:23:36,116 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-02 15:23:36,117 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:23:36,125 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:23:36,125 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:23:36,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:36 BoogieIcfgContainer [2024-12-02 15:23:36,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:23:36,127 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:23:36,127 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:23:36,131 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:23:36,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:23:18" (1/3) ... [2024-12-02 15:23:36,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f31952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:36, skipping insertion in model container [2024-12-02 15:23:36,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:23:18" (2/3) ... [2024-12-02 15:23:36,132 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f31952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:23:36, skipping insertion in model container [2024-12-02 15:23:36,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:23:36" (3/3) ... [2024-12-02 15:23:36,133 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-8.i [2024-12-02 15:23:36,145 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:23:36,146 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-8.i that has 2 procedures, 66 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:23:36,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:23:36,197 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;@55cba29d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:23:36,197 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:23:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 15:23:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 15:23:36,208 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:36,209 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:36,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:36,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:36,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1152050323, now seen corresponding path program 1 times [2024-12-02 15:23:36,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:23:36,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665181633] [2024-12-02 15:23:36,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:36,223 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 15:23:36,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:23:36,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:23:36,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:23:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:37,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:23:37,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:23:37,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-12-02 15:23:37,463 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:23:37,464 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:23:37,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665181633] [2024-12-02 15:23:37,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665181633] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:23:37,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:23:37,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:23:37,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25077712] [2024-12-02 15:23:37,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:23:37,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:23:37,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:23:37,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:23:37,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:23:37,490 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.425) internal successors, (57), 41 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:23:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:23:37,515 INFO L93 Difference]: Finished difference Result 125 states and 223 transitions. [2024-12-02 15:23:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:23:37,516 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-12-02 15:23:37,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:23:37,522 INFO L225 Difference]: With dead ends: 125 [2024-12-02 15:23:37,523 INFO L226 Difference]: Without dead ends: 62 [2024-12-02 15:23:37,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 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 15:23:37,528 INFO L435 NwaCegarLoop]: 95 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, 95 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 15:23:37,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:23:37,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-12-02 15:23:37,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-12-02 15:23:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 37 states have internal predecessors, (49), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-12-02 15:23:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 95 transitions. [2024-12-02 15:23:37,566 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 95 transitions. Word has length 143 [2024-12-02 15:23:37,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:23:37,567 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 95 transitions. [2024-12-02 15:23:37,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:23:37,567 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-12-02 15:23:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 15:23:37,570 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:23:37,570 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:23:37,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:23:37,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:23:37,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:23:37,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:23:37,771 INFO L85 PathProgramCache]: Analyzing trace with hash -144105689, now seen corresponding path program 1 times [2024-12-02 15:23:37,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:23:37,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123998675] [2024-12-02 15:23:37,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:37,772 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 15:23:37,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:23:37,774 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:23:37,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:23:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:38,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 15:23:38,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:23:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 15:23:43,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:23:44,944 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:23:44,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123998675] [2024-12-02 15:23:44,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123998675] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:23:44,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [420899079] [2024-12-02 15:23:44,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:23:44,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:23:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:23:44,947 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:23:44,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-02 15:23:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:23:46,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:23:46,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:23:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 148 proven. 3 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2024-12-02 15:23:50,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:23:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [420899079] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:23:51,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:23:51,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2024-12-02 15:23:51,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874964671] [2024-12-02 15:23:51,159 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:23:51,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:23:51,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:23:51,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:23:51,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:23:51,162 INFO L87 Difference]: Start difference. First operand 62 states and 95 transitions. Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:24:00,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:04,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:08,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:12,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:16,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:20,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:24,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:28,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:32,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:36,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:40,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:44,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:48,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:52,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:24:56,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:25:00,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:25:04,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 15:25:08,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:18,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:22,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:26,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:30,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:33,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:25:33,456 INFO L93 Difference]: Finished difference Result 381 states and 575 transitions. [2024-12-02 15:25:33,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 15:25:33,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2024-12-02 15:25:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:25:33,461 INFO L225 Difference]: With dead ends: 381 [2024-12-02 15:25:33,461 INFO L226 Difference]: Without dead ends: 322 [2024-12-02 15:25:33,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=307, Invalid=815, Unknown=0, NotChecked=0, Total=1122 [2024-12-02 15:25:33,463 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 277 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 186 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 96.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:25:33,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 516 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 526 Invalid, 22 Unknown, 0 Unchecked, 97.5s Time] [2024-12-02 15:25:33,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-12-02 15:25:33,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 188. [2024-12-02 15:25:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 113 states have (on average 1.3274336283185841) internal successors, (150), 113 states have internal predecessors, (150), 69 states have call successors, (69), 5 states have call predecessors, (69), 5 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2024-12-02 15:25:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 288 transitions. [2024-12-02 15:25:33,519 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 288 transitions. Word has length 143 [2024-12-02 15:25:33,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:25:33,519 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 288 transitions. [2024-12-02 15:25:33,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:25:33,520 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 288 transitions. [2024-12-02 15:25:33,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-02 15:25:33,521 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:25:33,522 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:25:33,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-02 15:25:33,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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)] Ended with exit code 0 [2024-12-02 15:25:33,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:25:33,922 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:25:33,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:25:33,923 INFO L85 PathProgramCache]: Analyzing trace with hash -86847387, now seen corresponding path program 1 times [2024-12-02 15:25:33,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:25:33,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511823419] [2024-12-02 15:25:33,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:25:33,924 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 15:25:33,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:25:33,925 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 15:25:33,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13dc6182-2e61-41db-a0b9-9e6b6550b50e/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 (5)] Waiting until timeout for monitored process [2024-12-02 15:25:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:25:34,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-02 15:25:34,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:25:58,874 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:07,351 WARN L286 SmtUtils]: Spent 8.48s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:15,803 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:24,248 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:32,694 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:40,971 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:49,407 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:26:53,548 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from false [2024-12-02 15:26:57,681 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from true [2024-12-02 15:27:06,150 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:14,586 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:23,042 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:31,535 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:39,974 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:48,256 WARN L286 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:27:56,746 WARN L286 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:28:02,214 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:28:06,351 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (bvult c_~var_1_7~0 c_~var_1_9~0)) (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from false [2024-12-02 15:28:10,486 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse1 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (bvult c_~var_1_7~0 c_~var_1_9~0)) (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse0)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse0)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse1 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) ((_ zero_extend 24) c_~var_1_20~0)))) (= c_~var_1_7~0 .cse1))) is different from true [2024-12-02 15:28:19,022 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:28:27,583 WARN L286 SmtUtils]: Spent 8.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:28:36,156 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:28:44,730 WARN L286 SmtUtils]: Spent 8.57s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:28:53,242 WARN L286 SmtUtils]: Spent 8.51s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:29:01,777 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:29:10,157 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:29:18,690 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:29:27,195 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:29:35,721 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 15:29:39,888 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse2 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (bvult c_~var_1_7~0 c_~var_1_9~0)) (= c_~var_1_25~0 .cse0) (fp.eq (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 253.0 10.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0)) .cse1) (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse1)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse1)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse2 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) .cse0))) (= c_~var_1_7~0 .cse2))) is different from false [2024-12-02 15:29:44,035 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_1~0)) (.cse0 ((_ zero_extend 24) c_~var_1_20~0)) (.cse2 ((_ zero_extend 24) c_~var_1_19~0))) (and (not (bvult c_~var_1_7~0 c_~var_1_9~0)) (= c_~var_1_25~0 .cse0) (fp.eq (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 253.0 10.0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_5~0)) .cse1) (not (fp.gt (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.mul c_currentRoundingMode c_~var_1_6~0 c_~var_1_5~0)) c_~var_1_10~0) .cse1)) (fp.geq c_~var_1_1~0 c_~var_1_6~0) (not (fp.eq c_~var_1_10~0 .cse1)) (= c_~var_1_19~0 c_~var_1_24~0) (= c_~var_1_1~0 (fp.sub c_currentRoundingMode c_~var_1_5~0 c_~var_1_6~0)) (not (bvslt .cse2 (bvsdiv ((_ zero_extend 24) c_~var_1_21~0) .cse0))) (= c_~var_1_7~0 .cse2))) is different from true