./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC --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 61c843972f7eaee46cccffabf98cb7c21084f44a005b70820545ea4b1d0ca04f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:37:17,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:37:17,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:37:17,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:37:17,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:37:17,457 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:37:17,458 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:37:17,458 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:37:17,459 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:37:17,459 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:37:17,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:37:17,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:37:17,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:37:17,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:37:17,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:37:17,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:37:17,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:37:17,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:37:17,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:37:17,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:37:17,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:37:17,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:37:17,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:37:17,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:37:17,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:37:17,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:37:17,465 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:37:17,465 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:37:17,465 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:37:17,465 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:17,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:37:17,466 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:17,466 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:37:17,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:37:17,467 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:37:17,468 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:37:17,468 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:37:17,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:37:17,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:37:17,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:37:17,469 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:37:17,469 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:37:17,469 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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC 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 -> 61c843972f7eaee46cccffabf98cb7c21084f44a005b70820545ea4b1d0ca04f [2024-11-24 01:37:17,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:37:17,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:37:17,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:37:17,929 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:37:17,930 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:37:17,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i [2024-11-24 01:37:21,597 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/7acd02511/c753cd0a3b924e1697a8ff0a07c32d78/FLAG498a2a47a [2024-11-24 01:37:22,016 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:37:22,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i [2024-11-24 01:37:22,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/7acd02511/c753cd0a3b924e1697a8ff0a07c32d78/FLAG498a2a47a [2024-11-24 01:37:22,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/7acd02511/c753cd0a3b924e1697a8ff0a07c32d78 [2024-11-24 01:37:22,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:37:22,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:37:22,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:37:22,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:37:22,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:37:22,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45502caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22, skipping insertion in model container [2024-11-24 01:37:22,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,230 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:37:22,441 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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i[913,926] [2024-11-24 01:37:22,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:37:22,542 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:37:22,555 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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i[913,926] [2024-11-24 01:37:22,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:37:22,614 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:37:22,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22 WrapperNode [2024-11-24 01:37:22,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:37:22,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:37:22,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:37:22,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:37:22,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,680 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-24 01:37:22,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:37:22,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:37:22,682 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:37:22,682 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:37:22,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,703 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,722 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:37:22,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,731 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:37:22,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:37:22,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:37:22,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:37:22,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (1/1) ... [2024-11-24 01:37:22,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:22,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:37:22,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:37:22,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:37:22,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:37:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:37:22,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:37:22,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:37:22,953 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:37:22,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:37:23,375 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:37:23,376 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:37:23,398 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:37:23,398 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:37:23,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:23 BoogieIcfgContainer [2024-11-24 01:37:23,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:37:23,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:37:23,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:37:23,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:37:23,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:37:22" (1/3) ... [2024-11-24 01:37:23,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b706f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:37:23, skipping insertion in model container [2024-11-24 01:37:23,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:22" (2/3) ... [2024-11-24 01:37:23,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b706f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:37:23, skipping insertion in model container [2024-11-24 01:37:23,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:23" (3/3) ... [2024-11-24 01:37:23,415 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-70.i [2024-11-24 01:37:23,435 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:37:23,438 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-70.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:37:23,511 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:37:23,532 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;@74c4549, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:37:23,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:37:23,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:37:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:37:23,554 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:23,554 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:23,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:23,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:23,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1233037346, now seen corresponding path program 1 times [2024-11-24 01:37:23,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:23,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301027365] [2024-11-24 01:37:23,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:23,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:24,027 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-24 01:37:24,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:24,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301027365] [2024-11-24 01:37:24,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301027365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:37:24,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404742931] [2024-11-24 01:37:24,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:24,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:37:24,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:37:24,032 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:37:24,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:37:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:24,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:37:24,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-24 01:37:24,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:37:24,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404742931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:24,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:37:24,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:37:24,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383163699] [2024-11-24 01:37:24,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:24,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:37:24,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:24,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:37:24,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:37:24,422 INFO L87 Difference]: Start difference. First operand has 50 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:37:24,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:24,459 INFO L93 Difference]: Finished difference Result 93 states and 153 transitions. [2024-11-24 01:37:24,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:37:24,462 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2024-11-24 01:37:24,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:24,470 INFO L225 Difference]: With dead ends: 93 [2024-11-24 01:37:24,470 INFO L226 Difference]: Without dead ends: 46 [2024-11-24 01:37:24,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:37:24,478 INFO L435 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:24,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:37:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-24 01:37:24,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-24 01:37:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:37:24,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-24 01:37:24,531 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 90 [2024-11-24 01:37:24,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:24,532 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-24 01:37:24,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:37:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-24 01:37:24,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:37:24,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:24,536 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:24,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:37:24,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:37:24,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:24,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:24,742 INFO L85 PathProgramCache]: Analyzing trace with hash 666621416, now seen corresponding path program 1 times [2024-11-24 01:37:24,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:24,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621615873] [2024-11-24 01:37:24,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:24,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:27,724 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-24 01:37:27,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:37:27,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621615873] [2024-11-24 01:37:27,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621615873] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:37:27,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1818298864] [2024-11-24 01:37:27,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:27,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:37:27,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:37:27,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:37:27,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:37:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:28,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-24 01:37:28,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:29,739 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:37:29,739 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:37:29,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1818298864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:29,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:37:29,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 18 [2024-11-24 01:37:29,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213671516] [2024-11-24 01:37:29,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:29,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 01:37:29,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:37:29,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 01:37:29,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2024-11-24 01:37:29,744 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:37:31,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:31,141 INFO L93 Difference]: Finished difference Result 186 states and 260 transitions. [2024-11-24 01:37:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 01:37:31,143 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2024-11-24 01:37:31,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:31,147 INFO L225 Difference]: With dead ends: 186 [2024-11-24 01:37:31,149 INFO L226 Difference]: Without dead ends: 143 [2024-11-24 01:37:31,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2024-11-24 01:37:31,153 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 190 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:31,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 331 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 01:37:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-24 01:37:31,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 95. [2024-11-24 01:37:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 64 states have (on average 1.25) internal successors, (80), 64 states have internal predecessors, (80), 26 states have call successors, (26), 4 states have call predecessors, (26), 4 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:37:31,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 132 transitions. [2024-11-24 01:37:31,193 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 132 transitions. Word has length 90 [2024-11-24 01:37:31,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:31,194 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 132 transitions. [2024-11-24 01:37:31,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 10 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:37:31,194 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2024-11-24 01:37:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:37:31,199 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:31,199 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:31,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:37:31,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:37:31,401 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:31,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -142725210, now seen corresponding path program 1 times [2024-11-24 01:37:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:37:31,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646752359] [2024-11-24 01:37:31,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:37:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 01:37:31,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180777990] [2024-11-24 01:37:31,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:37:31,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:37:31,708 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:37:31,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:37:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:37:31,912 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:37:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:37:32,362 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:37:32,362 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:37:32,363 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:37:32,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:37:32,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:37:32,570 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 01:37:32,673 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:37:32,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:37:32 BoogieIcfgContainer [2024-11-24 01:37:32,680 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:37:32,681 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:37:32,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:37:32,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:37:32,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:23" (3/4) ... [2024-11-24 01:37:32,687 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:37:32,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:37:32,689 INFO L158 Benchmark]: Toolchain (without parser) took 10501.93ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 106.1MB in the beginning and 225.5MB in the end (delta: -119.5MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB. [2024-11-24 01:37:32,690 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:37:32,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.91ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 92.2MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:37:32,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.51ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 89.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:37:32,691 INFO L158 Benchmark]: Boogie Preprocessor took 63.81ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 84.4MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:37:32,691 INFO L158 Benchmark]: RCFGBuilder took 652.74ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 65.7MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:37:32,692 INFO L158 Benchmark]: TraceAbstraction took 9275.93ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.1MB in the beginning and 225.7MB in the end (delta: -160.6MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. [2024-11-24 01:37:32,692 INFO L158 Benchmark]: Witness Printer took 7.84ms. Allocated memory is still 427.8MB. Free memory was 225.7MB in the beginning and 225.5MB in the end (delta: 133.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:37:32,699 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 425.91ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 92.2MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.51ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 89.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.81ms. Allocated memory is still 142.6MB. Free memory was 89.3MB in the beginning and 84.4MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 652.74ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 65.7MB in the end (delta: 18.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9275.93ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.1MB in the beginning and 225.7MB in the end (delta: -160.6MB). Peak memory consumption was 118.2MB. Max. memory is 16.1GB. * Witness Printer took 7.84ms. Allocated memory is still 427.8MB. Free memory was 225.7MB in the beginning and 225.5MB in the end (delta: 133.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 82, overapproximation of someBinaryDOUBLEComparisonOperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 109, overapproximation of someBinaryDOUBLEComparisonOperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.05; [L23] double var_1_6 = 0.0; [L24] double var_1_7 = 49.5; [L25] double var_1_8 = 16.75; [L26] unsigned short int var_1_9 = 1; [L27] unsigned long int var_1_11 = 8; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_14 = 32; [L31] unsigned char var_1_15 = 50; [L32] unsigned char var_1_16 = 8; [L33] unsigned char var_1_17 = 32; [L34] unsigned long int var_1_18 = 2; [L35] unsigned long int var_1_19 = 3876014737; [L36] unsigned char var_1_20 = 0; [L37] double last_1_var_1_1 = 5.05; [L38] unsigned short int last_1_var_1_9 = 1; [L39] unsigned long int last_1_var_1_11 = 8; [L40] unsigned char last_1_var_1_14 = 32; [L41] unsigned char last_1_var_1_20 = 0; VAL [isInitial=0, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L113] isInitial = 1 [L114] FCALL initially() [L116] CALL updateLastVariables() [L102] last_1_var_1_1 = var_1_1 [L103] last_1_var_1_9 = var_1_9 [L104] last_1_var_1_11 = var_1_11 [L105] last_1_var_1_14 = var_1_14 [L106] last_1_var_1_20 = var_1_20 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_6=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L116] RET updateLastVariables() [L117] CALL updateVariables() [L79] var_1_6 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L80] RET assume_abort_if_not((var_1_6 >= 2305843.009213691390e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_7=99/2, var_1_8=67/4, var_1_9=1] [L81] var_1_7 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_8=67/4, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_8=67/4, var_1_9=1] [L82] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 2305843.009213691390e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_8=67/4, var_1_9=1] [L83] var_1_8 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L84] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L85] var_1_13 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=50, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L88] var_1_15 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=8, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L91] var_1_16 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=32, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L94] var_1_17 = __VERIFIER_nondet_uchar() [L95] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L95] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L96] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L96] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3876014737, var_1_1=101/20, var_1_20=0, var_1_9=1] [L97] var_1_19 = __VERIFIER_nondet_ulong() [L98] CALL assume_abort_if_not(var_1_19 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L98] RET assume_abort_if_not(var_1_19 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L99] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L99] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=2, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L117] RET updateVariables() [L118] CALL step() [L45] COND TRUE \read(var_1_13) [L46] var_1_18 = ((var_1_19 - last_1_var_1_9) - last_1_var_1_11) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L50] COND FALSE !(var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=32, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L59] COND TRUE (8 - 64) <= (var_1_9 - var_1_9) [L60] var_1_14 = (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L64] signed long int stepLocal_0 = - ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))); VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, stepLocal_0=-1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=101/20, var_1_20=0, var_1_9=1] [L65] COND FALSE !(var_1_18 >= stepLocal_0) [L68] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=0, var_1_7=2, var_1_9=1] [L70] COND TRUE (var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14))) [L71] var_1_20 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L73] COND TRUE \read(var_1_20) [L74] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=8, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L76] var_1_11 = (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u)) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return (((((((var_1_18 >= (- ((((var_1_9) < (var_1_9)) ? (var_1_9) : (var_1_9))))) ? (var_1_1 == ((double) (((var_1_6 - var_1_7) - ((((64.75) > (128.725)) ? (64.75) : (128.725)))) + var_1_8))) : (var_1_1 == ((double) var_1_7))) && ((var_1_6 > ((((var_1_8) < (last_1_var_1_1)) ? (var_1_8) : (last_1_var_1_1)))) ? ((! ((last_1_var_1_1 == var_1_7) && (last_1_var_1_20 || last_1_var_1_20))) ? ((! (var_1_6 <= var_1_7)) ? (var_1_9 == ((unsigned short int) ((((last_1_var_1_14) < (last_1_var_1_14)) ? (last_1_var_1_14) : (last_1_var_1_14))))) : 1) : (var_1_9 == ((unsigned short int) last_1_var_1_14))) : 1)) && (var_1_11 == ((unsigned long int) (var_1_9 + (((((var_1_18) < (var_1_9)) ? (var_1_18) : (var_1_9))) + 2u))))) && (var_1_20 ? (var_1_12 == ((unsigned char) var_1_13)) : 1)) && (((8 - 64) <= (var_1_9 - var_1_9)) ? (var_1_14 == ((unsigned char) (((((var_1_15 + var_1_16)) < (var_1_17)) ? ((var_1_15 + var_1_16)) : (var_1_17))))) : (var_1_14 == ((unsigned char) var_1_17)))) && (var_1_13 ? (var_1_18 == ((unsigned long int) ((var_1_19 - last_1_var_1_9) - last_1_var_1_11))) : (var_1_18 == ((unsigned long int) (((((var_1_19 - var_1_17)) > (var_1_15)) ? ((var_1_19 - var_1_17)) : (var_1_15))))))) && (((var_1_14 / var_1_19) <= ((((var_1_18) < (var_1_14)) ? (var_1_18) : (var_1_14)))) ? (var_1_20 == ((unsigned char) var_1_13)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=8, last_1_var_1_14=32, last_1_var_1_1=101/20, last_1_var_1_20=0, last_1_var_1_9=1, var_1_11=4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=3221225461, var_1_19=3221225470, var_1_1=2, var_1_20=1, var_1_7=2, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 190 mSDsluCounter, 396 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 248 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 148 mSDtfsCounter, 372 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 203 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=2, InterpolantAutomatonStates: 19, 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, 48 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 1833 SizeOfPredicates, 6 NumberOfNonLiveVariables, 464 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1221/1248 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:37:32,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC --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 61c843972f7eaee46cccffabf98cb7c21084f44a005b70820545ea4b1d0ca04f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:37:36,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:37:36,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:37:36,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:37:36,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:37:36,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:37:36,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:37:36,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:37:36,581 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:37:36,581 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:37:36,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:37:36,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:37:36,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:37:36,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:37:36,583 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:37:36,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:37:36,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:37:36,583 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:37:36,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:37:36,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:37:36,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:37:36,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:37:36,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:37:36,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:37:36,585 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:37:36,585 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:37:36,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:37:36,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:37:36,585 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:37:36,586 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:37:36,586 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:37:36,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:37:36,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:37:36,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:37:36,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:36,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:37:36,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:37:36,587 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:37:36,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:37:36,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:36,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:37:36,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:37:36,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:37:36,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:37:36,589 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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC 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 -> 61c843972f7eaee46cccffabf98cb7c21084f44a005b70820545ea4b1d0ca04f [2024-11-24 01:37:37,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:37:37,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:37:37,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:37:37,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:37:37,061 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:37:37,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i [2024-11-24 01:37:41,033 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/cdb5e2647/c27cc57529ab46ff89d5c6ae2b3682f2/FLAG4852bdd3b [2024-11-24 01:37:41,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:37:41,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i [2024-11-24 01:37:41,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/cdb5e2647/c27cc57529ab46ff89d5c6ae2b3682f2/FLAG4852bdd3b [2024-11-24 01:37:41,396 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/data/cdb5e2647/c27cc57529ab46ff89d5c6ae2b3682f2 [2024-11-24 01:37:41,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:37:41,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:37:41,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:37:41,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:37:41,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:37:41,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d892e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41, skipping insertion in model container [2024-11-24 01:37:41,412 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:37:41,648 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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i[913,926] [2024-11-24 01:37:41,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:37:41,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:37:41,764 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_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-70.i[913,926] [2024-11-24 01:37:41,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:37:41,813 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:37:41,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41 WrapperNode [2024-11-24 01:37:41,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:37:41,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:37:41,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:37:41,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:37:41,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,899 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 115 [2024-11-24 01:37:41,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:37:41,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:37:41,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:37:41,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:37:41,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,934 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:37:41,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,947 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:37:41,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:37:41,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:37:41,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:37:41,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (1/1) ... [2024-11-24 01:37:41,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:37:42,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:37:42,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:37:42,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:37:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:37:42,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:37:42,068 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:37:42,068 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:37:42,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:37:42,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:37:42,202 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:37:42,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:37:50,737 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:37:50,737 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:37:50,759 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:37:50,760 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:37:50,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:50 BoogieIcfgContainer [2024-11-24 01:37:50,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:37:50,767 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:37:50,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:37:50,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:37:50,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:37:41" (1/3) ... [2024-11-24 01:37:50,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661533d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:37:50, skipping insertion in model container [2024-11-24 01:37:50,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:37:41" (2/3) ... [2024-11-24 01:37:50,781 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661533d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:37:50, skipping insertion in model container [2024-11-24 01:37:50,782 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:37:50" (3/3) ... [2024-11-24 01:37:50,784 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-70.i [2024-11-24 01:37:50,802 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:37:50,804 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-70.i that has 2 procedures, 50 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:37:50,914 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:37:50,937 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;@262d432e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:37:50,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:37:50,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:37:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:37:50,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:50,960 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:50,960 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:50,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:50,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1233037346, now seen corresponding path program 1 times [2024-11-24 01:37:50,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969248417] [2024-11-24 01:37:50,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:50,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:50,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:50,998 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:37:51,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:37:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:51,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:37:51,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:51,648 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-24 01:37:51,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:37:51,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:37:51,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969248417] [2024-11-24 01:37:51,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969248417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:37:51,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:37:51,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:37:51,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303178119] [2024-11-24 01:37:51,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:37:51,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:37:51,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:37:51,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:37:51,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:37:51,689 INFO L87 Difference]: Start difference. First operand has 50 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:37:51,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:37:51,722 INFO L93 Difference]: Finished difference Result 93 states and 153 transitions. [2024-11-24 01:37:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:37:51,725 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2024-11-24 01:37:51,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:37:51,734 INFO L225 Difference]: With dead ends: 93 [2024-11-24 01:37:51,736 INFO L226 Difference]: Without dead ends: 46 [2024-11-24 01:37:51,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:37:51,745 INFO L435 NwaCegarLoop]: 65 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, 65 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:37:51,747 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:37:51,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-24 01:37:51,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-24 01:37:51,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-24 01:37:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2024-11-24 01:37:51,806 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 90 [2024-11-24 01:37:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:37:51,807 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2024-11-24 01:37:51,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:37:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2024-11-24 01:37:51,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:37:51,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:37:51,814 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:37:51,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-24 01:37:52,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:52,015 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:37:52,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:37:52,018 INFO L85 PathProgramCache]: Analyzing trace with hash 666621416, now seen corresponding path program 1 times [2024-11-24 01:37:52,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:37:52,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [570479999] [2024-11-24 01:37:52,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:37:52,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:37:52,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:37:52,028 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:37:52,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:37:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:37:52,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:37:52,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:37:56,038 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:37:56,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:38:00,558 WARN L851 $PredicateComparison]: unable to prove that (forall ((~var_1_19~0 (_ BitVec 32))) (or (not (bvuge (bvadd (bvneg ((_ zero_extend 16) c_~last_1_var_1_9~0)) ~var_1_19~0 (bvneg c_~last_1_var_1_11~0)) (bvneg ((_ zero_extend 16) c_~var_1_9~0)))) (not (bvsge ((_ zero_extend 32) ~var_1_19~0) (_ bv3221225470 64))))) is different from false [2024-11-24 01:38:00,571 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:38:00,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [570479999] [2024-11-24 01:38:00,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [570479999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:38:00,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1229712865] [2024-11-24 01:38:00,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:38:00,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:38:00,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:38:00,582 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:38:00,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 01:38:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:38:01,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:38:01,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:38:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 78 proven. 3 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-24 01:38:05,138 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:38:05,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1229712865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:38:05,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:38:05,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2024-11-24 01:38:05,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478706414] [2024-11-24 01:38:05,384 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:38:05,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:38:05,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:38:05,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:38:05,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=106, Unknown=1, NotChecked=20, Total=156 [2024-11-24 01:38:05,387 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:38:11,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:13,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:17,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:22,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:23,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:26,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-24 01:38:26,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:38:26,880 INFO L93 Difference]: Finished difference Result 182 states and 257 transitions. [2024-11-24 01:38:26,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 01:38:26,882 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 90 [2024-11-24 01:38:26,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:38:26,888 INFO L225 Difference]: With dead ends: 182 [2024-11-24 01:38:26,888 INFO L226 Difference]: Without dead ends: 139 [2024-11-24 01:38:26,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=118, Invalid=347, Unknown=1, NotChecked=40, Total=506 [2024-11-24 01:38:26,891 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 179 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 56 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:38:26,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 260 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 270 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2024-11-24 01:38:26,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-24 01:38:26,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 91. [2024-11-24 01:38:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 61 states have (on average 1.2622950819672132) internal successors, (77), 61 states have internal predecessors, (77), 26 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-24 01:38:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions. [2024-11-24 01:38:26,948 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 90 [2024-11-24 01:38:26,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:38:26,949 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 129 transitions. [2024-11-24 01:38:26,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 01:38:26,950 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2024-11-24 01:38:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-24 01:38:26,953 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:38:26,953 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:38:26,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 01:38:27,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:38:27,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 01:38:27,355 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:38:27,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:38:27,356 INFO L85 PathProgramCache]: Analyzing trace with hash -142725210, now seen corresponding path program 1 times [2024-11-24 01:38:27,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:38:27,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1913786706] [2024-11-24 01:38:27,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:38:27,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:38:27,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:38:27,359 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:38:27,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f87715-1bcc-4c8a-9fbb-68ea096f10e7/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:38:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:38:27,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 01:38:27,826 INFO L279 TraceCheckSpWp]: Computing forward predicates...